第一个实训项目(3)
和dao包一样
创建一个server包
CollegeService
StatusService
StudentService
UserService
在Service层新建了一个Impl包
CollegeServiceImpl
package net.hj.student.service.impl;
import net.hj.student.bean.College;
import net.hj.student.dao.CollegeDao;
import net.hj.student.dao.impl.CollegeDaoImpl;
import net.hj.student.service.CollegeService;
/**
功能:学校服务接口实现类
作者:何杰
日期:2019年7月1日
/
public class CollegeServiceImpl implements CollegeService {
/*- 声明学校数据访问对象
*/
private CollegeDao collegeDao = new CollegeDaoImpl();
@Override
public College findCollegeById(int id) {
return collegeDao.findById(id);
}@Override
public int updateCollege(College college) {
return collegeDao.update(college);
}
}
StatusServiceImpl
package net.hj.student.service.impl;- 声明学校数据访问对象
import net.hj.student.bean.Status;
import net.hj.student.dao.StatusDao;
import net.hj.student.dao.impl.StatusDaoImpl;
import net.hj.student.service.StatusService;
/**
功能:状态服务接口实现类
作者:何杰
日期:2019年7月1日
/
public class StatusServiceImpl implements StatusService{
/*- 声明状态数据访问对象
*/
private StatusDao statusDao = new StatusDaoImpl();
@Override
public Status findStatusById(int id) {
return statusDao.findById(id);
}@Override
public int updateStatus(Status status) {
return statusDao.update(status);
}
}
StudentServiceImpl
package net.hj.student.service.impl;- 声明状态数据访问对象
import net.hj.student.bean.Student;
import net.hj.student.dao.StudentDao;
import net.hj.student.dao.impl.StudentDaoImpl;
import net.hj.student.service.StudentService;
import java.util.List;
import java.util.Vector;
/**
功能:学生服务接口实现类
作者:何杰
日期:2019年7月1日
/
public class StudentServiceImpl implements StudentService {
/*- 声明学生数据访问对象
*/
private StudentDao studentDao = new StudentDaoImpl();
@Override
public int addStudent(Student student) {
return studentDao.insert(student);
}@Override
public int deleteStudentById(String id) {
return studentDao.deleteById(id);
}@Override
public int deleteStudentsByClass(String clazz) {
return studentDao.deleteByClass(clazz);
}@Override
public int deleteStudentsByDepartment(String department) {
return studentDao.deleteByDepartment(department);
}@Override
public List findAllStudents() {
return studentDao.findAll();
}@Override
public Vector findRowsByClass() {
return studentDao.findRowsByClass();
}@Override
public Vector findRowsByDepartment() {
return studentDao.findRowsByDepartment();
}@Override
public Vector findRowsBySex() {
return studentDao.findRowsBySex();
}@Override
public Student findStudentById(String id) {
return studentDao.findById(id);
}@Override
public List findStudentsByClass(String clazz) {
return studentDao.findByClass(clazz);
}@Override
public List findStudentsByDepartment(String department) {
return studentDao.findByDepartment(department);
}@Override
public List findStudentsByName(String name) {
return studentDao.findByName(name);
}@Override
public int updateStudent(Student student) {
return studentDao.update(student);
}
}
UserServiceImpl
package net.hj.student.service.impl;- 声明学生数据访问对象
import net.hj.student.bean.User;
import net.hj.student.dao.UserDao;
import net.hj.student.dao.impl.UserDaoImpl;
import net.hj.student.service.UserService;
import java.util.List;
/**
功能:用户服务接口实现类
作者:何杰
日期:2019年7月1日
/
public class UserServiceImpl implements UserService{
/*- 声明用户数据访问对象
*/
private UserDao userDao = new UserDaoImpl();
@Override
public int addUser(User user) {
return userDao.insert(user);
}@Override
public int deleteUserById(int id) {
return userDao.deleteById(id);
}@Override
public List findAllUsers() {
return userDao.findAll();
}@Override
public User findUserById(int id) {
return userDao.findById(id);
}@Override
public User login(String username, String password) {
return userDao.login(username, password);
}@Override
public int updateUser(User user) {
return userDao.update(user);
}@Override
public boolean isUsernameExisted(String username) {
return userDao.isUsernameExisted(username);
}@Override
public String findPasswordByUsername(String username) {
return userDao.findPasswordByUsername(username);
}@Override
public boolean isTelephoneExisted(String telephone) {
return userDao.isTelephoneExisted(telephone);
}
}- 声明用户数据访问对象
由于Service的测试和dao的测试一样
于是我取了个巧
将dao的测试直接复制复制了一份,并将里面引用的dao改成了Service,还有各种名字换成了dao的
然后接下来就是做功能模块
AddStudentFrame添加学生记录
package net.hj.student.gui;
import net.hj.student.bean.Student;
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import java.awt.;
import java.awt.event.*;
import java.util.List;
/**
功能:添加学生记录
作者:何杰
日期:2019年7月2日
/
public class AddStudentFrame extends JFrame {
/*- 声明面板
/
private JPanel panel;
private JPanel pnlCenter;
private JPanel pnlRow1;
private JPanel pnlRow2;
private JPanel pnlRow3;
private JPanel pnlRow4;
private JPanel pnlRow5;
private JPanel pnlRow6;
private JPanel pnlRow7;
private JPanel pnlSouth;
/* - 声明标签
/
private JLabel lblId;
private JLabel lblName;
private JLabel lblSex;
private JLabel lblAge;
private JLabel lblDepartment;
private JLabel lblClass;
private JLabel lblTelephone;
/* - 声明文本框
/
private JTextField txtId;
private JTextField txtName;
private JTextField txtSex;
private JTextField txtAge;
private JTextField txtDepartment;
private JTextField txtClass;
private JTextField txtTelephone;
/* - 声明按钮
/
private JButton btnExit;
private JButton btnOK;
private JButton btnCancel;
/* - 当前记录行号
/
private int currentRow;
/* - 学生列表
*/
private List students;
/**
- 构造方法
- @param title
*/
public AddStudentFrame(String title) {
super(title);
initGUI();
}
/**
初始化用户界面
*/
private void initGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlCenter = new JPanel();
pnlSouth = new JPanel();pnlRow1 = new JPanel();
pnlRow2 = new JPanel();
pnlRow3 = new JPanel();
pnlRow4 = new JPanel();
pnlRow5 = new JPanel();
pnlRow6 = new JPanel();
pnlRow7 = new JPanel();pnlRow1.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow2.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow3.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow4.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow5.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow6.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow7.setLayout(new FlowLayout(FlowLayout.LEFT));lblId = new JLabel(“学号:”);
lblName = new JLabel(“姓名:”);
lblSex = new JLabel(“性别:”);
lblAge = new JLabel(“年龄:”);
lblDepartment = new JLabel(“系部:”);
lblClass = new JLabel(“班级:”);
lblTelephone = new JLabel(“电话:”);txtId = new JTextField(20);
txtName = new JTextField(20);
txtSex = new JTextField(20);
txtAge = new JTextField(20);
txtDepartment = new JTextField(20);
txtClass = new JTextField(20);
txtTelephone = new JTextField(20);
btnOK = new JButton(“确定[O]”);
btnCancel = new JButton(“取消[C]”);
btnExit = new JButton(“退出[X]”);
btnOK.setMnemonic(KeyEvent.VK_O);
btnCancel.setMnemonic(KeyEvent.VK_C);
btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件
panel.setLayout(new BorderLayout());
panel.add(pnlCenter, BorderLayout.CENTER);
panel.add(pnlSouth, BorderLayout.SOUTH);
pnlCenter.setLayout(new GridLayout(7, 1));
pnlCenter.add(pnlRow1);
pnlCenter.add(pnlRow2);
pnlCenter.add(pnlRow3);
pnlCenter.add(pnlRow4);
pnlCenter.add(pnlRow5);
pnlCenter.add(pnlRow6);
pnlCenter.add(pnlRow7);pnlRow1.add(lblId);
pnlRow1.add(txtId);
pnlRow2.add(lblName);
pnlRow2.add(txtName);
pnlRow3.add(lblSex);
pnlRow3.add(txtSex);
pnlRow4.add(lblAge);
pnlRow4.add(txtAge);
pnlRow5.add(lblDepartment);
pnlRow5.add(txtDepartment);
pnlRow6.add(lblClass);
pnlRow6.add(txtClass);
pnlRow7.add(lblTelephone);
pnlRow7.add(txtTelephone);pnlSouth.add(btnOK);
pnlSouth.add(btnCancel);
pnlSouth.add(btnExit);// 设置窗口属性
setSize(500, 300);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口刚好容纳组件
pack();
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口标题
setTitle(“添加学生记录”);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【确定】按钮单击事件
btnOK.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// 学号非空校验
if (txtId.getText().trim().equals("")) {
JOptionPane.showMessageDialog(null, “学号不能为空!”, “增加学生记录”, JOptionPane.WARNING_MESSAGE);
txtId.requestFocus();
return;
}// 年龄数字校验if (!isNumber(txtAge.getText().trim())) {JOptionPane.showMessageDialog(null, "注意:年龄全由数字构成!", "增加学生记录", JOptionPane.WARNING_MESSAGE);txtAge.setText("");txtAge.requestFocus();return;}// 创建学生实体Student student = new Student();// 设置学生实体属性student.setId(txtId.getText().trim());student.setName(txtName.getText().trim());student.setSex(txtSex.getText().trim());student.setAge(Integer.parseInt(txtAge.getText()));student.setDepartment(txtDepartment.getText().trim());student.setClazz(txtClass.getText().trim());student.setTelephone(txtTelephone.getText().trim());// 创建学生服务对象StudentService studentService = new StudentServiceImpl();// 添加学生记录int count = studentService.addStudent(student);// 判断是否添加成功if (count > 0) {JOptionPane.showMessageDialog(null, "添加记录成功!", "增加学生记录", JOptionPane.INFORMATION_MESSAGE);txtId.setText("");txtName.setText("");txtSex.setText("");txtAge.setText("");txtDepartment.setText("");txtClass.setText("");txtTelephone.setText("");txtId.requestFocus();} else {JOptionPane.showMessageDialog(null, "添加记录失败!", "增加学生记录", JOptionPane.ERROR_MESSAGE);}}
});
// 【取消】按钮单击事件处理
btnCancel.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
txtId.setText("");
txtName.setText("");
txtSex.setText("");
txtAge.setText("");
txtDepartment.setText("");
txtClass.setText("");
txtTelephone.setText("");
txtId.requestFocus();
}
});// 【退出】按钮单击事件处理
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
dispose();
}
});// 【学号】文本框按键事件处理
txtId.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
if (!txtId.getText().trim().equals("")) {
txtName.requestFocus();
}
}
}
});// 【姓名】文本框按键事件处理
txtName.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtSex.requestFocus();
}
}
});// 【性别】文本框按键事件处理
txtSex.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtAge.requestFocus();
}
}
});// 【年龄】文本框按键事件处理
txtAge.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtDepartment.requestFocus();
}
}
});// 【系部】文本框按键事件处理
txtDepartment.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtClass.requestFocus();
}
}
});// 【班级】文本框按键事件处理
txtClass.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtTelephone.requestFocus();
}
}
});
}
/**
- 判断一个字符串是否全是数字
- @param str
- @return
*/
boolean isNumber(String str) {
for (int i = 0; i < str.length(); i++) {
if (str.charAt(i) < ‘0’ || str.charAt(i) > ‘9’) {
return false;
}
}
return true;
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new AddStudentFrame("");
}
}
- 声明面板
运行结果
浏览学生记录
package net.hj.student.gui;
import net.hj.student.bean.Student;
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.util.List;
/**
功能:浏览学生记录
作者:何杰
日期:2019年7月2日
/
public class BrowseStudentsFrame extends JFrame {
/*- 声明面板
/
private JPanel panel;
private JPanel pnlCenter;
private JPanel pnlRow1;
private JPanel pnlRow2;
private JPanel pnlRow3;
private JPanel pnlRow4;
private JPanel pnlRow5;
private JPanel pnlRow6;
private JPanel pnlRow7;
private JPanel pnlSouth;
/* - 声明标签
/
private JLabel lblId;
private JLabel lblName;
private JLabel lblSex;
private JLabel lblAge;
private JLabel lblDepartment;
private JLabel lblClass;
private JLabel lblTelephone;
/* - 声明文本框
/
private JTextField txtId;
private JTextField txtName;
private JTextField txtSex;
private JTextField txtAge;
private JTextField txtDepartment;
private JTextField txtClass;
private JTextField txtTelephone;
/* - 声明按钮
*/
private JButton btnTop;
private JButton btnPrevious;
private JButton btnNext;
private JButton btnBottom;
private JButton btnExit;
/**
- 当前记录行号
/
private int currentRow;
/* - 学生列表
/
private List students;
/* - 创建学生服务对象
*/
StudentService studentService;
/**
- 构造方法
- @param title
*/
public BrowseStudentsFrame(String title) {
super(title);
initGUI();
}
/**
初始化用户界面
*/
private void initGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlCenter = new JPanel();
pnlSouth = new JPanel();pnlRow1 = new JPanel();
pnlRow2 = new JPanel();
pnlRow3 = new JPanel();
pnlRow4 = new JPanel();
pnlRow5 = new JPanel();
pnlRow6 = new JPanel();
pnlRow7 = new JPanel();pnlRow1.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow2.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow3.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow4.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow5.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow6.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow7.setLayout(new FlowLayout(FlowLayout.LEFT));lblId = new JLabel(“学号:”);
lblName = new JLabel(“姓名:”);
lblSex = new JLabel(“性别:”);
lblAge = new JLabel(“年龄:”);
lblDepartment = new JLabel(“系部:”);
lblClass = new JLabel(“班级:”);
lblTelephone = new JLabel(“电话:”);txtId = new JTextField(40);
txtName = new JTextField(40);
txtSex = new JTextField(40);
txtAge = new JTextField(40);
txtDepartment = new JTextField(40);
txtClass = new JTextField(40);
txtTelephone = new JTextField(40);
txtId.setEditable(false);
txtName.setEditable(false);
txtSex.setEditable(false);
txtAge.setEditable(false);
txtDepartment.setEditable(false);
txtClass.setEditable(false);
txtTelephone.setEditable(false);btnTop = new JButton(“第一条[T]”);
btnPrevious = new JButton(“上一条[P]”);
btnNext = new JButton(“下一条[N]”);
btnBottom = new JButton(“最后一条[B]”);
btnExit = new JButton(“退出[X]”);
btnTop.setMnemonic(KeyEvent.VK_T);
btnPrevious.setMnemonic(KeyEvent.VK_P);
btnNext.setMnemonic(KeyEvent.VK_N);
btnBottom.setMnemonic(KeyEvent.VK_B);
btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件
panel.setLayout(new BorderLayout());
panel.add(pnlCenter, BorderLayout.CENTER);
panel.add(pnlSouth, BorderLayout.SOUTH);
pnlCenter.setLayout(new GridLayout(7, 1));pnlCenter.add(pnlRow1);
pnlCenter.add(pnlRow2);
pnlCenter.add(pnlRow3);
pnlCenter.add(pnlRow4);
pnlCenter.add(pnlRow5);
pnlCenter.add(pnlRow6);
pnlCenter.add(pnlRow7);pnlRow1.add(lblId);
pnlRow1.add(txtId);
pnlRow2.add(lblName);
pnlRow2.add(txtName);
pnlRow3.add(lblSex);
pnlRow3.add(txtSex);
pnlRow4.add(lblAge);
pnlRow4.add(txtAge);
pnlRow5.add(lblDepartment);
pnlRow5.add(txtDepartment);
pnlRow6.add(lblClass);
pnlRow6.add(txtClass);
pnlRow7.add(lblTelephone);
pnlRow7.add(txtTelephone);pnlSouth.add(btnTop);
pnlSouth.add(btnPrevious);
pnlSouth.add(btnNext);
pnlSouth.add(btnBottom);
pnlSouth.add(btnExit);// 设置窗口属性
setSize(500, 300);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口刚好容纳组件
pack();
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 创建学生服务对象
studentService = new StudentServiceImpl();
// 获取全部学生列表
students = studentService.findAllStudents();
// 判断是否有学生记录
if (students.size() > 0) {
// 设置当前记录号
currentRow = 1;
// 设置窗口标题
setTitle(“浏览学生表记录” + " && 当前记录:" + currentRow);
// 填充窗口各文本框数据
fillFrameData(currentRow);
} else {
JOptionPane.showMessageDialog(null, “表中没有记录!”, “浏览学生表记录”, JOptionPane.ERROR_MESSAGE);
btnTop.setEnabled(false);
btnPrevious.setEnabled(false);
btnNext.setEnabled(false);
btnBottom.setEnabled(false);
}// 【第一条】按钮单击事件
btnTop.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// 设置当前记录号
currentRow = 1;
// 填充当前记录数据
fillFrameData(currentRow);
}
});// 【上一条】按钮单击事件
btnPrevious.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (currentRow > 1) {
// 设置当前记录号
currentRow–;
// 填充当前记录数据
fillFrameData(currentRow);
} else {
JOptionPane.showMessageDialog(null, “已到第一条记录!”, “浏览学生表记录”, JOptionPane.WARNING_MESSAGE);
}
}
});// 【下一条】按钮单击事件
btnNext.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (currentRow < students.size() - 1) {
// 设置当前记录号
currentRow++;
// 填充当前记录数据
fillFrameData(currentRow);
} else {
JOptionPane.showMessageDialog(null, “已到最后一条记录!”, “浏览学生表记录”, JOptionPane.WARNING_MESSAGE);
}
}
});// 【最后一条】按钮单击事件
btnBottom.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// 设置当前记录号
currentRow = students.size() - 1;
// 填充当前记录数据
fillFrameData(currentRow);
}
});// 【退出】按钮单击事件
btnExit.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {dispose();}
});
}
/**
- 将当前记录数据填充窗口各文本框
- @param currentRow
*/
private void fillFrameData(int currentRow) {
if (currentRow > 0) {
setTitle(“浏览学生表记录” + " && 当前记录:" + currentRow);
txtId.setText(students.get(currentRow).getId());
txtName.setText(students.get(currentRow).getName());
txtSex.setText(students.get(currentRow).getSex());
txtAge.setText(students.get(currentRow).getAge() + “”);
txtDepartment.setText(students.get(currentRow).getDepartment());
txtClass.setText(students.get(currentRow).getClazz());
txtTelephone.setText(students.get(currentRow).getTelephone());
}
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new BrowseStudentsFrame("");
}
}
- 声明面板
运行结果
修改用户密码
package net.hj.student.gui;
import net.hj.student.app.Application;
import net.hj.student.bean.User;
import net.hj.student.service.UserService;
import net.hj.student.service.impl.UserServiceImpl;
import javax.swing.;
import java.awt.;
import java.awt.event.*;
/**
功能:修改用户密码
作者:何杰
日期:2019年7月2日
/
public class ChangePasswordFrame extends JFrame {
/*- 面板
/
private JPanel panel;
private JPanel pnlRow1;
private JPanel pnlRow2;
private JPanel pnlRow3;
private JPanel pnlRow4;
private JPanel pnlRow5;
/* - 标签
/
private JLabel lblUsername;
private JLabel lblPassword;
private JLabel lblNewPassword1;
private JLabel lblNewPassword2;
/* - 文本框
/
private JTextField txtUsername;
private JPasswordField txtPassword;
private JPasswordField txtNewPassword1;
private JPasswordField txtNewPassword2;
/* - 按钮
/
private JButton btnOK;
private JButton btnCancel;
/* - 用户服务对象
*/
private UserService userService;
/**
- 构造方法
- @param title
*/
public ChangePasswordFrame(String title) {
super(title);
initGUI();
}
/**
初始化用户界面
*/
private void initGUI() {
// 创建组件(面板与控件)
panel = (JPanel) getContentPane();
pnlRow1 = new JPanel();
pnlRow2 = new JPanel();
pnlRow3 = new JPanel();
pnlRow4 = new JPanel();
pnlRow5 = new JPanel();lblUsername = new JLabel(“用户名:”);
lblPassword = new JLabel(“旧密码:”);
lblNewPassword1 = new JLabel(“新密码:”);
lblNewPassword2 = new JLabel(“确 认:”);txtUsername = new JTextField(20);
txtUsername.setEditable(false);
txtPassword = new JPasswordField(20);
txtNewPassword1 = new JPasswordField(20);
txtNewPassword2 = new JPasswordField(20);btnOK = new JButton(“确定[O]”);
btnOK.setMnemonic(KeyEvent.VK_O);
btnCancel = new JButton(“取消[C]”);
btnCancel.setMnemonic(KeyEvent.VK_C);// 设置大面板布局,添加五个小面板
panel.setLayout(new GridLayout(5, 1));
panel.add(pnlRow1);
panel.add(pnlRow2);
panel.add(pnlRow3);
panel.add(pnlRow4);
panel.add(pnlRow5);// 将控件添加到五个小面板
pnlRow1.add(lblUsername);
pnlRow1.add(txtUsername);
pnlRow2.add(lblPassword);
pnlRow2.add(txtPassword);
pnlRow3.add(lblNewPassword1);
pnlRow3.add(txtNewPassword1);
pnlRow4.add(lblNewPassword2);
pnlRow4.add(txtNewPassword2);
pnlRow5.add(btnOK);
pnlRow5.add(btnCancel);// 设置窗口不可调整大小
setResizable(false);
// 设置窗口刚好容纳组件
pack();
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口标题
setTitle(“修改用户密码”);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 设置控件属性
txtUsername.setEditable(false);
txtUsername.setText(Application.username);// 【取消】按钮单击事件处理
btnCancel.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
dispose();
}
});// 【确定】按钮单击事件处理
btnOK.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
changePassword();
}
});// 【确定】按钮按键事件处理
btnOK.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == 10) {
changePassword();
}
}
});// 【用户名】文本框按键事件处理
txtUsername.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtPassword.requestFocus();
}
}
});// 【密码】文本框按键事件处理
txtPassword.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtNewPassword1.requestFocus();
}
}
});// 【新密码1】文本框按键事件处理
txtNewPassword1.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtNewPassword2.requestFocus();
}
}
});// 【新密码2】文本框按键事件处理
txtNewPassword2.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
btnOK.requestFocus();
}
}
});
}
/**
修改密码方法
*/
private void changePassword() {
// 获取用户信息
int id = Application.id;
String username = Application.username;// 保存用户输入的旧密码与两个新密码
String password = new String(txtPassword.getPassword());
String newPassword1 = new String(txtNewPassword1.getPassword());
String newPassword2 = new String(txtNewPassword2.getPassword());// 创建学生服务对象
userService = new UserServiceImpl();if (userService.login(username, password) == null) {
JOptionPane.showMessageDialog(null, “旧密码错误,请重新输入!”, “错误提示”, JOptionPane.ERROR_MESSAGE);
txtPassword.requestFocus();
txtPassword.selectAll();
} else if (newPassword1.equals("")) {
JOptionPane.showMessageDialog(null, “新密码不能为空!”, “错误提示”, JOptionPane.ERROR_MESSAGE);
txtNewPassword1.requestFocus();
} else if (newPassword2.equals("")) {
JOptionPane.showMessageDialog(null, “确认密码不能为空!”, “错误提示”, JOptionPane.ERROR_MESSAGE);
txtNewPassword2.requestFocus();
} else if (!newPassword1.equals(newPassword2)) {
JOptionPane.showMessageDialog(null, “两次密码不一致,请重新输入!”, “错误提示”, JOptionPane.ERROR_MESSAGE);
txtNewPassword1.setText("");
txtNewPassword2.setText("");
txtNewPassword1.requestFocus();
} else {
// 按标识符获取用户
User user = userService.findUserById(id);
// 修改用户的密码属性
user.setPassword(newPassword1);
// 调用用户服务对象的更新方法,更新用户信息
int count = userService.updateUser(user);
if (count > 0) {
JOptionPane.showMessageDialog(null, “密码修改成功!”, “设置密码”, JOptionPane.INFORMATION_MESSAGE);
dispose();
} else {
JOptionPane.showMessageDialog(null, “密码修改失败!”, “设置密码”, JOptionPane.WARNING_MESSAGE);
}
}
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
Application.id = 1;
Application.username = “郑志强”;
new ChangePasswordFrame("");
}
}
- 面板
运行结果
按班级统计学生人数
package net.hj.student.gui;
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import javax.swing.border.TitledBorder;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.print.PrinterException;
import java.util.Vector;
/**
功能:按班级统计学生人数
作者:何杰
日期:2019年7月2日
/
public class CountStudentsByClassFrame extends JFrame {
/*- 面板
/
private JPanel panel;
private JPanel pnlSouth;
private JPanel pnlCenter;
/* - 按钮
/
private JButton btnPrint;
private JButton btnExit;
/* - 记录行集
/
private Vector rows;
/* - 表格列标题
/
private Vector colHead;
/* - 表格
/
private JTable table;
/* - 滚动面板
/
private JScrollPane scroller;
/* - 创建学生服务对象
*/
private StudentService studentService;
public CountStudentsByClassFrame(String title) {
super(title);
initGUI();
}/**
初始化用户界面
*/
private void initGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlCenter = new JPanel();
pnlSouth = new JPanel();rows = new Vector();
colHead = new Vector();btnPrint = new JButton(“打印[P]”);
btnPrint.setMnemonic(KeyEvent.VK_P);
btnExit = new JButton(“退出[X]”);
btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件
panel.add(pnlSouth, BorderLayout.SOUTH);
panel.add(pnlCenter, BorderLayout.CENTER);pnlSouth.setLayout(new FlowLayout(FlowLayout.RIGHT));
pnlSouth.add(btnPrint);
pnlSouth.add(btnExit);
pnlCenter.setLayout(new BorderLayout());TitledBorder tb = new TitledBorder(“统计结果”);
pnlCenter.setBorder(tb);// 创建学生服务对象
studentService = new StudentServiceImpl();
// 获取按班级统计结果记录行集
rows = studentService.findRowsByClass();
// 设置表头
colHead.add(“班级”);
colHead.add(“人数”);// 创建表格(参数1:记录集;参数2:表头)
table = new JTable(rows, colHead);
scroller = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
pnlCenter.add(scroller, BorderLayout.CENTER);repaint(); // 重绘窗体
if (rows.isEmpty()) {
JOptionPane.showMessageDialog(this, “没有记录!”, “错误提示”, JOptionPane.WARNING_MESSAGE);
}// 设置窗口大小
setSize(300, 200);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口标题
setTitle(“按班级统计学生人数”);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【退出】按钮单击事件
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
dispose();
}
});// 【打印】按钮单击事件
btnPrint.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
try {
table.print();
} catch (PrinterException e1) {
e1.printStackTrace();
}
}
});
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new CountStudentsByClassFrame("");
}
}
运行结果
按系部统计学生人数
package net.hj.student.gui;
- 面板
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import javax.swing.border.TitledBorder;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.print.PrinterException;
import java.util.Vector;
/**
功能:按系部统计学生人数
作者:何杰
日期:2019年7月2日
/
public class CountStudentsByDepartmentFrame extends JFrame {
/*- 面板
/
private JPanel panel;
private JPanel pnlSouth;
private JPanel pnlCenter;
/* - 按钮
/
private JButton btnPrint;
private JButton btnExit;
/* - 记录行集
/
private Vector rows;
/* - 表格列标题
/
private Vector colHead;
/* - 表格
/
private JTable table;
/* - 滚动面板
/
private JScrollPane scroller;
/* - 创建学生服务对象
*/
private StudentService studentService;
public CountStudentsByDepartmentFrame(String title) {
super(title);
initGUI();
}/**
初始化用户界面
*/
private void initGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlCenter = new JPanel();
pnlSouth = new JPanel();rows = new Vector();
colHead = new Vector();btnPrint = new JButton(“打印[P]”);
btnPrint.setMnemonic(KeyEvent.VK_P);
btnExit = new JButton(“退出[X]”);
btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件
panel.add(pnlSouth, BorderLayout.SOUTH);
panel.add(pnlCenter, BorderLayout.CENTER);pnlSouth.setLayout(new FlowLayout(FlowLayout.RIGHT));
pnlSouth.add(btnPrint);
pnlSouth.add(btnExit);
pnlCenter.setLayout(new BorderLayout());TitledBorder tb = new TitledBorder(“统计结果”);
pnlCenter.setBorder(tb);// 创建学生服务对象
studentService = new StudentServiceImpl();
// 获取按系部统计结果记录行集
rows = studentService.findRowsByDepartment();
// 设置表头
colHead.add(“系部”);
colHead.add(“人数”);// 创建表格(参数1:记录集;参数2:表头)
table = new JTable(rows, colHead);
scroller = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
pnlCenter.add(scroller, BorderLayout.CENTER);repaint(); // 重绘窗体
if (rows.isEmpty()) {
JOptionPane.showMessageDialog(this, “没有记录!”, “错误提示”, JOptionPane.WARNING_MESSAGE);
}// 设置窗口大小
setSize(300, 200);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口标题
setTitle(“按系部统计学生人数”);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【退出】按钮单击事件
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
dispose();
}
});// 【打印】按钮单击事件
btnPrint.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
try {
table.print();
} catch (PrinterException e1) {
e1.printStackTrace();
}
}
});
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new CountStudentsByDepartmentFrame("");
}
}
运行结果
按性别统计学生人数
package net.hj.student.gui;
- 面板
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import javax.swing.border.TitledBorder;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.print.PrinterException;
import java.util.Vector;
/**
功能:按性别统计学生人数
作者:何杰
日期:2019年7月2日
/
public class CountStudentsBySexFrame extends JFrame {
/*- 面板
/
private JPanel panel;
private JPanel pnlSouth;
private JPanel pnlCenter;
/* - 按钮
/
private JButton btnPrint;
private JButton btnExit;
/* - 记录行集
/
private Vector rows;
/* - 表格列标题
/
private Vector colHead;
/* - 表格
/
private JTable table;
/* - 滚动面板
/
private JScrollPane scroller;
/* - 创建学生服务对象
*/
private StudentService studentService;
public CountStudentsBySexFrame(String title) {
super(title);
initGUI();
}/**
初始化用户界面
*/
private void initGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlCenter = new JPanel();
pnlSouth = new JPanel();rows = new Vector();
colHead = new Vector();btnPrint = new JButton(“打印[P]”);
btnPrint.setMnemonic(KeyEvent.VK_P);
btnExit = new JButton(“退出[X]”);
btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件
panel.add(pnlSouth, BorderLayout.SOUTH);
panel.add(pnlCenter, BorderLayout.CENTER);pnlSouth.setLayout(new FlowLayout(FlowLayout.RIGHT));
pnlSouth.add(btnPrint);
pnlSouth.add(btnExit);
pnlCenter.setLayout(new BorderLayout());TitledBorder tb = new TitledBorder(“统计结果”);
pnlCenter.setBorder(tb);// 创建学生服务对象
studentService = new StudentServiceImpl();
// 获取按性别统计结果记录行集
rows = studentService.findRowsBySex();
// 设置表头
colHead.add(“性别”);
colHead.add(“人数”);// 创建表格(参数1:记录集;参数2:表头)
table = new JTable(rows, colHead);
scroller = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
pnlCenter.add(scroller, BorderLayout.CENTER);repaint(); // 重绘窗体
if (rows.isEmpty()) {
JOptionPane.showMessageDialog(this, “没有记录!”, “错误提示”, JOptionPane.WARNING_MESSAGE);
}// 设置窗口大小
setSize(300, 200);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口标题
setTitle(“按性别统计学生人数”);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【退出】按钮单击事件
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
dispose();
}
});// 【打印】按钮单击事件
btnPrint.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
try {
table.print();
} catch (PrinterException e1) {
e1.printStackTrace();
}
}
});
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new CountStudentsBySexFrame("");
}
}
运行结果
按学号删除学生记录
package net.hj.student.gui;
- 面板
import net.hj.student.bean.Student;
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import javax.swing.border.TitledBorder;
import java.awt.;
import java.awt.event.*;
import java.util.Vector;
import java.util.List;
/**
功能:按学号删除学生记录
作者:何杰
日期:2019年7月2日
/
public class DeleteStudentByIdFrame extends JFrame {
/*- 学号标签
/
private JLabel lblInputId;
/* - 学号文本框
/
private JTextField txtId;
/* - 面板
*/
private JPanel panel;
private JPanel pnlSouth;
private JPanel pnlCenter;
private JPanel pnlNorth;
/**
- 按钮
/
private JButton btnQuery;
private JButton btnBrowseAll;
private JButton btnDelete;
private JButton btnExit;
/* - 记录行集
/
private Vector rows;
/* - 表格列标题
/
private Vector colHead;
/* - 表格
/
private JTable table;
/* - 滚动面板
/
private JScrollPane scroller;
/* - 当前记录行号
/
private int currentRow;
/* - 学生列表
/
private List students;
/* - 创建学生服务对象
*/
private StudentService studentService;
/**
- 构造方法
- @param title
*/
public DeleteStudentByIdFrame(String title) {
super(title);
intiGUI();
}
private void intiGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlNorth = new JPanel();
pnlCenter = new JPanel();
pnlSouth = new JPanel();rows = new Vector();colHead = new Vector();lblInputId = new JLabel("输入学号:");txtId = new JTextField(10);txtId.setHorizontalAlignment(JTextField.CENTER);btnQuery = new JButton("查询[Q]");btnQuery.setMnemonic(KeyEvent.VK_Q);btnBrowseAll = new JButton("显示全部记录[A]");btnBrowseAll.setMnemonic(KeyEvent.VK_A);btnDelete = new JButton("删除查询的记录[D]");btnDelete.setEnabled(false);// 删除按钮不可用btnDelete.setMnemonic(KeyEvent.VK_D);btnExit = new JButton("退出[X]");btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件panel.add(pnlSouth, BorderLayout.SOUTH);panel.add(pnlCenter, BorderLayout.CENTER);panel.add(pnlNorth, BorderLayout.NORTH);pnlNorth.add(lblInputId);pnlNorth.add(txtId);pnlNorth.add(btnQuery);pnlNorth.add(btnBrowseAll);pnlSouth.setLayout(new FlowLayout(FlowLayout.RIGHT));pnlSouth.add(btnDelete);pnlSouth.add(btnExit);pnlCenter.setLayout(new BorderLayout());// 创建标题边框对象TitledBorder tb = new TitledBorder("查询结果");pnlCenter.setBorder(tb);// 创建学生服务对象studentService = new StudentServiceImpl();// 获取全部学生列表students = studentService.findAllStudents();// 填充表格数据fillTableData();// 设置窗口大小setSize(600, 350);// 设置窗口不可调整大小setResizable(false);// 设置窗口屏幕居中setLocationRelativeTo(null);// 设置窗口标题setTitle("按学号删除学生记录");// 设置窗口可见setVisible(true);// 设置窗口默认关闭操作(卸载当前窗口)setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【退出】按钮单击事件btnExit.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent event) {dispose();}});// 【删除】按钮单击事件btnDelete.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {if (!rows.isEmpty()) {long choice = JOptionPane.showConfirmDialog(null, "是否要删除记录?");if (choice == JOptionPane.OK_OPTION) {// 获取待删学生学号String id = txtId.getText().trim();// 按学号删除学生int count = studentService.deleteStudentById(id);if (count > 0) {JOptionPane.showMessageDialog(null, "记录删除成功!", "提示", JOptionPane.INFORMATION_MESSAGE);// 重新获取全部学生列表students = studentService.findAllStudents();// 清空待删学生学号文本框txtId.setText("");// 填充数据fillTableData();// 删除按钮不可用btnDelete.setEnabled(false);} else {JOptionPane.showMessageDialog(null, "记录删除失败!", "警告", JOptionPane.WARNING_MESSAGE);}}}}});// 【查询】按钮单击事件btnQuery.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent event) {doQuery();}});// 【显示全部记录】按钮单击事件btnBrowseAll.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent event) {// 获取全部学生记录students = studentService.findAllStudents();// 填充表格数据fillTableData();// 删除按钮不可用btnDelete.setEnabled(false);}});// 【学号】文本框按键事件txtId.addKeyListener(new KeyAdapter() {@Overridepublic void keyPressed(KeyEvent e) {if (e.getKeyCode() == KeyEvent.VK_ENTER) {doQuery();}}});// 表格单击事件table.addMouseListener(new MouseAdapter() {public void mouseClicked(MouseEvent e) {// 获取当前行的行数int row = table.rowAtPoint(e.getPoint());// 选中鼠标单击的行table.setRowSelectionInterval(row, row);// 设置文本框内容txtId.setText(table.getValueAt(row, 0).toString());}});
}
/**
- 查询方法
*/
private void doQuery() {
// 获取查询学号
String id = txtId.getText().trim();
if (!id.equals("")) {
students.clear();
Student student = studentService.findStudentById(id);
if (student != null) {
// 将查询到的学生添加到列表
students.add(student);
// 让删除按钮可用
btnDelete.setEnabled(true);
}
// 填充表格
fillTableData();
} else {
JOptionPane.showMessageDialog(this, “请输入待查学生学号!”, “警告”, JOptionPane.WARNING_MESSAGE);
txtId.requestFocus();
}
}
/**
填充表格方法
*/
private void fillTableData() {
// 填充表头
colHead.clear();
colHead.add(“学号”);
colHead.add(“姓名”);
colHead.add(“性别”);
colHead.add(“年龄”);
colHead.add(“系部”);
colHead.add(“班级”);
colHead.add(“电话”);// 填充表记录
rows.clear();
for (Student student : students) {
Vector currentRow = new Vector();
currentRow.addElement(student.getId());
currentRow.addElement(student.getName());
currentRow.addElement(student.getSex());
currentRow.addElement(student.getAge() + “”);
currentRow.addElement(student.getDepartment());
currentRow.addElement(student.getClazz());
currentRow.addElement(student.getTelephone());
// 将当前行添加到记录行集
rows.add(currentRow);
}// 创建表格(参数1:记录集;参数2:表头)
table = new JTable(rows, colHead);// 定义滚动面板
scroller = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
// 将滚动面板添加到中心面板
pnlCenter.add(scroller, BorderLayout.CENTER);// 重绘窗体
repaint();// 判断是否有记录行
if (rows.isEmpty()) {
JOptionPane.showMessageDialog(this, “没有符合条件的记录!”, “错误提示”, JOptionPane.WARNING_MESSAGE);
txtId.setText("");
} else {
// 让滚动条移到最上方
scroller.getVerticalScrollBar().setValue(0);
}
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new DeleteStudentByIdFrame("");
}
}
运行结果
按班级删除学生记录
package net.hj.student.gui;
- 学号标签
import net.hj.student.bean.Student;
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import javax.swing.border.TitledBorder;
import java.awt.;
import java.awt.event.*;
import java.util.Vector;
import java.util.List;
/**
功能:按班级删除学生记录
作者:何杰
日期:2019年7月2日
/
public class DeleteStudentsByClassFrame extends JFrame {
/*- 班级标签
/
private JLabel lblInputClass;
/* - 班级文本框
/
private JTextField txtClass;
/* - 面板
/
private JPanel panel;
private JPanel pnlSouth;
private JPanel pnlCenter;
private JPanel pnlNorth;
/* - 按钮
/
private JButton btnQuery;
private JButton btnBrowseAll;
private JButton btnDelete;
private JButton btnExit;
/* - 记录行集
/
private Vector rows;
/* - 表格列标题
/
private Vector colHead;
/* - 表格
/
private JTable table;
/* - 滚动面板
*/
private JScrollPane scroller;
/**
- 当前记录行号
/
private int currentRow;
/* - 学生列表
/
private List students;
/* - 创建学生服务对象
*/
private StudentService studentService;
/**
- 构造方法
- @param title
*/
public DeleteStudentsByClassFrame(String title) {
super(title);
intiGUI();
}
private void intiGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlNorth = new JPanel();
pnlCenter = new JPanel();
pnlSouth = new JPanel();rows = new Vector();colHead = new Vector();lblInputClass = new JLabel("输入班级:");txtClass = new JTextField(10);txtClass.setHorizontalAlignment(JTextField.CENTER);btnQuery = new JButton("查询[Q]");btnQuery.setMnemonic(KeyEvent.VK_Q);btnBrowseAll = new JButton("显示全部记录[A]");btnBrowseAll.setMnemonic(KeyEvent.VK_A);btnDelete = new JButton("删除查询的记录[D]");btnDelete.setEnabled(false);// 删除按钮不可用btnDelete.setMnemonic(KeyEvent.VK_D);btnExit = new JButton("退出[X]");btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件panel.add(pnlSouth, BorderLayout.SOUTH);panel.add(pnlCenter, BorderLayout.CENTER);panel.add(pnlNorth, BorderLayout.NORTH);pnlNorth.add(lblInputClass);pnlNorth.add(txtClass);pnlNorth.add(btnQuery);pnlNorth.add(btnBrowseAll);pnlSouth.setLayout(new FlowLayout(FlowLayout.RIGHT));pnlSouth.add(btnDelete);pnlSouth.add(btnExit);pnlCenter.setLayout(new BorderLayout());// 创建标题边框对象TitledBorder tb = new TitledBorder("查询结果");pnlCenter.setBorder(tb);// 创建学生服务对象studentService = new StudentServiceImpl();// 获取全部学生列表students = studentService.findAllStudents();// 填充表格数据fillTableData();// 设置窗口大小setSize(600, 350);// 设置窗口不可调整大小setResizable(false);// 设置窗口屏幕居中setLocationRelativeTo(null);// 设置窗口标题setTitle("按班级删除学生记录");// 设置窗口可见setVisible(true);// 设置窗口默认关闭操作(卸载当前窗口)setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【退出】按钮单击事件btnExit.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent event) {dispose();}});// 【删除】按钮单击事件btnDelete.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {if (!rows.isEmpty()) {long choice = JOptionPane.showConfirmDialog(null, "是否要删除记录?");if (choice == JOptionPane.OK_OPTION) {// 获取待删班级String clazz = txtClass.getText().trim();// 按班级删除学生int count = studentService.deleteStudentsByClass(clazz);if (count > 0) {JOptionPane.showMessageDialog(null, "记录删除成功!", "提示", JOptionPane.INFORMATION_MESSAGE);// 重新获取全部学生列表students = studentService.findAllStudents();// 清空待删班级文本框txtClass.setText("");// 填充数据fillTableData();// 删除按钮不可用btnDelete.setEnabled(false);} else {JOptionPane.showMessageDialog(null, "记录删除失败!", "警告", JOptionPane.WARNING_MESSAGE);}}}}});// 【查询】按钮单击事件btnQuery.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent event) {doQuery();}});// 【显示全部记录】按钮单击事件btnBrowseAll.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent event) {// 获取全部学生记录students = studentService.findAllStudents();// 填充表格数据fillTableData();// 删除按钮不可用btnDelete.setEnabled(false);}});// 【班级】文本框按键事件txtClass.addKeyListener(new KeyAdapter() {@Overridepublic void keyPressed(KeyEvent e) {if (e.getKeyCode() == KeyEvent.VK_ENTER) {doQuery();}}});// 表格单击事件table.addMouseListener(new MouseAdapter() {public void mouseClicked(MouseEvent e) {// 获取当前行的行数int row = table.rowAtPoint(e.getPoint());if (row <= table.getRowCount()) {// 选中鼠标单击的行table.setRowSelectionInterval(row, row);// 设置文本框内容txtClass.setText(table.getValueAt(row, 5).toString());}}});
}
/**
- 查询方法
*/
private void doQuery() {
// 获取查询班级
String clazz = txtClass.getText().trim();
if (!clazz.equals("")) {
students = studentService.findStudentsByClass(clazz);
if (students.size() > 0) {
// 让删除按钮可用
btnDelete.setEnabled(true);
}
// 填充表格
fillTableData();
} else {
JOptionPane.showMessageDialog(this, “请输入待查班级!”, “警告”, JOptionPane.WARNING_MESSAGE);
txtClass.requestFocus();
}
}
/**
填充表格方法
*/
private void fillTableData() {
// 填充表头
colHead.clear();
colHead.add(“学号”);
colHead.add(“姓名”);
colHead.add(“性别”);
colHead.add(“年龄”);
colHead.add(“系部”);
colHead.add(“班级”);
colHead.add(“电话”);// 填充表记录
rows.clear();
for (Student student : students) {
Vector currentRow = new Vector();
currentRow.addElement(student.getId());
currentRow.addElement(student.getName());
currentRow.addElement(student.getSex());
currentRow.addElement(student.getAge() + “”);
currentRow.addElement(student.getDepartment());
currentRow.addElement(student.getClazz());
currentRow.addElement(student.getTelephone());
// 将当前行添加到记录行集
rows.add(currentRow);
}// 创建表格(参数1:记录集;参数2:表头)
table = new JTable(rows, colHead);// 定义滚动面板
scroller = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
// 将滚动面板添加到中心面板
pnlCenter.add(scroller, BorderLayout.CENTER);// 重绘窗体
repaint();// 判断是否有记录行
if (rows.isEmpty()) {
JOptionPane.showMessageDialog(this, “没有符合条件的记录!”, “错误提示”, JOptionPane.WARNING_MESSAGE);
txtClass.setText("");
} else {
// 让滚动条移到最上方
scroller.getVerticalScrollBar().setValue(0);
}
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new DeleteStudentsByClassFrame("");
}
}
运行结果
按系部删除学生记录
package net.hj.student.gui;
- 班级标签
import net.hj.student.bean.Student;
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import javax.swing.border.TitledBorder;
import java.awt.;
import java.awt.event.*;
import java.util.Vector;
import java.util.List;
/**
功能:按系部删除学生记录
作者:何杰
日期:2019年7月2日
/
public class DeleteStudentsByDepartmentFrame extends JFrame {
/*- 系部标签
/
private JLabel lblInputDepartment;
/* - 系部文本框
/
private JTextField txtDepartment;
/* - 面板
/
private JPanel panel;
private JPanel pnlSouth;
private JPanel pnlCenter;
private JPanel pnlNorth;
/* - 按钮
/
private JButton btnQuery;
private JButton btnBrowseAll;
private JButton btnDelete;
private JButton btnExit;
/* - 记录行集
/
private Vector rows;
/* - 表格列标题
/
private Vector colHead;
/* - 表格
/
private JTable table;
/* - 滚动面板
*/
private JScrollPane scroller;
/**
- 当前记录行号
/
private int currentRow;
/* - 学生列表
/
private List students;
/* - 创建学生服务对象
*/
private StudentService studentService;
/**
- 构造方法
- @param title
*/
public DeleteStudentsByDepartmentFrame(String title) {
super(title);
intiGUI();
}
private void intiGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlNorth = new JPanel();
pnlCenter = new JPanel();
pnlSouth = new JPanel();rows = new Vector();colHead = new Vector();lblInputDepartment = new JLabel("输入系部:");txtDepartment = new JTextField(10);txtDepartment.setHorizontalAlignment(JTextField.CENTER);btnQuery = new JButton("查询[Q]");btnQuery.setMnemonic(KeyEvent.VK_Q);btnBrowseAll = new JButton("显示全部记录[A]");btnBrowseAll.setMnemonic(KeyEvent.VK_A);btnDelete = new JButton("删除查询的记录[D]");btnDelete.setEnabled(false);// 删除按钮不可用btnDelete.setMnemonic(KeyEvent.VK_D);btnExit = new JButton("退出[X]");btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件panel.add(pnlSouth, BorderLayout.SOUTH);panel.add(pnlCenter, BorderLayout.CENTER);panel.add(pnlNorth, BorderLayout.NORTH);pnlNorth.add(lblInputDepartment);pnlNorth.add(txtDepartment);pnlNorth.add(btnQuery);pnlNorth.add(btnBrowseAll);pnlSouth.setLayout(new FlowLayout(FlowLayout.RIGHT));pnlSouth.add(btnDelete);pnlSouth.add(btnExit);pnlCenter.setLayout(new BorderLayout());// 创建标题边框对象TitledBorder tb = new TitledBorder("查询结果");pnlCenter.setBorder(tb);// 创建学生服务对象studentService = new StudentServiceImpl();// 获取全部学生列表students = studentService.findAllStudents();// 填充表格数据fillTableData();// 设置窗口大小setSize(600, 350);// 设置窗口不可调整大小setResizable(false);// 设置窗口屏幕居中setLocationRelativeTo(null);// 设置窗口标题setTitle("按系部删除学生记录");// 设置窗口可见setVisible(true);// 设置窗口默认关闭操作(卸载当前窗口)setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【退出】按钮单击事件btnExit.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent event) {dispose();}});// 【删除】按钮单击事件btnDelete.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {if (!rows.isEmpty()) {long choice = JOptionPane.showConfirmDialog(null, "是否要删除记录?");if (choice == JOptionPane.OK_OPTION) {// 获取待删系部String department = txtDepartment.getText().trim();// 按系部删除学生int count = studentService.deleteStudentsByDepartment(department);if (count > 0) {JOptionPane.showMessageDialog(null, "记录删除成功!", "提示", JOptionPane.INFORMATION_MESSAGE);// 重新获取全部学生列表students = studentService.findAllStudents();// 清空待删班级文本框txtDepartment.setText("");// 填充数据fillTableData();// 删除按钮不可用btnDelete.setEnabled(false);} else {JOptionPane.showMessageDialog(null, "记录删除失败!", "警告", JOptionPane.WARNING_MESSAGE);}}}}});// 【查询】按钮单击事件btnQuery.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent event) {doQuery();}});// 【显示全部记录】按钮单击事件btnBrowseAll.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent event) {// 获取全部学生记录students = studentService.findAllStudents();// 填充表格数据fillTableData();// 删除按钮不可用btnDelete.setEnabled(false);}});// 【系部】文本框按键事件txtDepartment.addKeyListener(new KeyAdapter() {@Overridepublic void keyPressed(KeyEvent e) {if (e.getKeyCode() == KeyEvent.VK_ENTER) {doQuery();}}});// 表格单击事件table.addMouseListener(new MouseAdapter() {public void mouseClicked(MouseEvent e) {// 获取当前行的行数int row = table.rowAtPoint(e.getPoint());// 选中鼠标单击的行table.setRowSelectionInterval(row, row);// 设置文本框内容txtDepartment.setText(table.getValueAt(row, 4).toString());}});
}
/**
- 查询方法
*/
private void doQuery() {
// 获取查询系部
String department = txtDepartment.getText().trim();
if (!department.equals("")) {
students = studentService.findStudentsByDepartment(department);
if (students.size() > 0) {
// 让删除按钮可用
btnDelete.setEnabled(true);
}
// 填充表格
fillTableData();
} else {
JOptionPane.showMessageDialog(this, “请输入待查系部!”, “警告”, JOptionPane.WARNING_MESSAGE);
txtDepartment.requestFocus();
}
}
/**
填充表格方法
*/
private void fillTableData() {
// 填充表头
colHead.clear();
colHead.add(“学号”);
colHead.add(“姓名”);
colHead.add(“性别”);
colHead.add(“年龄”);
colHead.add(“系部”);
colHead.add(“班级”);
colHead.add(“电话”);// 填充表记录
rows.clear();
for (Student student : students) {
Vector currentRow = new Vector();
currentRow.addElement(student.getId());
currentRow.addElement(student.getName());
currentRow.addElement(student.getSex());
currentRow.addElement(student.getAge() + “”);
currentRow.addElement(student.getDepartment());
currentRow.addElement(student.getClazz());
currentRow.addElement(student.getTelephone());
// 将当前行添加到记录行集
rows.add(currentRow);
}// 创建表格(参数1:记录集;参数2:表头)
table = new JTable(rows, colHead);// 定义滚动面板
scroller = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
// 将滚动面板添加到中心面板
pnlCenter.add(scroller, BorderLayout.CENTER);// 重绘窗体
repaint();// 判断是否有记录行
if (rows.isEmpty()) {
JOptionPane.showMessageDialog(this, “没有符合条件的记录!”, “错误提示”, JOptionPane.WARNING_MESSAGE);
txtDepartment.setText("");
} else {
// 让滚动条移到最上方
scroller.getVerticalScrollBar().setValue(0);
}
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new DeleteStudentsByDepartmentFrame("");
}
}
运行结果
编辑学生记录
package net.hj.student.gui;
- 系部标签
import net.hj.student.bean.Student;
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.List;
/**
功能:编辑学生记录
作者:何杰
日期:2019年7月2日
/
public class EditStudentFrame extends JFrame {
/*- 声明面板
/
private JPanel panel;
private JPanel pnlCenter;
private JPanel pnlRow1;
private JPanel pnlRow2;
private JPanel pnlRow3;
private JPanel pnlRow4;
private JPanel pnlRow5;
private JPanel pnlRow6;
private JPanel pnlRow7;
private JPanel pnlSouth;
private JPanel pnlSouth1;
private JPanel pnlSouth2;
/* - 声明标签
/
private JLabel lblId;
private JLabel lblName;
private JLabel lblSex;
private JLabel lblAge;
private JLabel lblDepartment;
private JLabel lblClass;
private JLabel lblTelephone;
/* - 声明文本框
/
private JTextField txtId;
private JTextField txtName;
private JTextField txtSex;
private JTextField txtAge;
private JTextField txtDepartment;
private JTextField txtClass;
private JTextField txtTelephone;
/* - 声明按钮
/
private JButton btnTop;
private JButton btnPrevious;
private JButton btnNext;
private JButton btnBottom;
private JButton btnExit;
private JButton btnEdit;
private JButton btnOK;
private JButton btnCancel;
/* - 当前记录行号
/
private int currentRow;
/* - 学生列表
/
private List students;
/* - 创建学生服务对象
*/
StudentService studentService;
/**
- 构造方法
- @param title
*/
public EditStudentFrame(String title) {
super(title);
initGUI();
}
/**
初始化用户界面
*/
private void initGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlCenter = new JPanel();
pnlSouth = new JPanel();
pnlSouth.setLayout(new GridLayout(2, 1));pnlRow1 = new JPanel();
pnlRow2 = new JPanel();
pnlRow3 = new JPanel();
pnlRow4 = new JPanel();
pnlRow5 = new JPanel();
pnlRow6 = new JPanel();
pnlRow7 = new JPanel();
pnlSouth1 = new JPanel();
pnlSouth2 = new JPanel();pnlRow1.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow2.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow3.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow4.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow5.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow6.setLayout(new FlowLayout(FlowLayout.LEFT));
pnlRow7.setLayout(new FlowLayout(FlowLayout.LEFT));lblId = new JLabel(“学号:”);
lblName = new JLabel(“姓名:”);
lblSex = new JLabel(“性别:”);
lblAge = new JLabel(“年龄:”);
lblDepartment = new JLabel(“系部:”);
lblClass = new JLabel(“班级:”);
lblTelephone = new JLabel(“电话:”);txtId = new JTextField(40);
txtName = new JTextField(40);
txtSex = new JTextField(40);
txtAge = new JTextField(40);
txtDepartment = new JTextField(40);
txtClass = new JTextField(40);
txtTelephone = new JTextField(40);
txtId.setEditable(false);
txtName.setEditable(false);
txtSex.setEditable(false);
txtAge.setEditable(false);
txtDepartment.setEditable(false);
txtClass.setEditable(false);
txtTelephone.setEditable(false);btnTop = new JButton(“第一条[T]”);
btnPrevious = new JButton(“上一条[P]”);
btnNext = new JButton(“下一条[N]”);
btnBottom = new JButton(“最后一条[B]”);
btnExit = new JButton(“退出[X]”);
btnEdit = new JButton(“编辑[E]”);
btnOK = new JButton(“确定[O]”);
btnCancel = new JButton(“取消[C]”);
btnOK.setEnabled(false);
btnCancel.setEnabled(false);
btnTop.setMnemonic(KeyEvent.VK_T);
btnPrevious.setMnemonic(KeyEvent.VK_P);
btnNext.setMnemonic(KeyEvent.VK_N);
btnBottom.setMnemonic(KeyEvent.VK_B);
btnExit.setMnemonic(KeyEvent.VK_X);
btnEdit.setMnemonic(KeyEvent.VK_E);
btnOK.setMnemonic(KeyEvent.VK_O);
btnCancel.setMnemonic(KeyEvent.VK_C);// 添加组件
panel.setLayout(new BorderLayout());
panel.add(pnlCenter, BorderLayout.CENTER);
panel.add(pnlSouth, BorderLayout.SOUTH);
pnlCenter.setLayout(new GridLayout(7, 1));pnlCenter.add(pnlRow1);
pnlCenter.add(pnlRow2);
pnlCenter.add(pnlRow3);
pnlCenter.add(pnlRow4);
pnlCenter.add(pnlRow5);
pnlCenter.add(pnlRow6);
pnlCenter.add(pnlRow7);pnlRow1.add(lblId);
pnlRow1.add(txtId);
pnlRow2.add(lblName);
pnlRow2.add(txtName);
pnlRow3.add(lblSex);
pnlRow3.add(txtSex);
pnlRow4.add(lblAge);
pnlRow4.add(txtAge);
pnlRow5.add(lblDepartment);
pnlRow5.add(txtDepartment);
pnlRow6.add(lblClass);
pnlRow6.add(txtClass);
pnlRow7.add(lblTelephone);
pnlRow7.add(txtTelephone);pnlSouth.add(pnlSouth1);
pnlSouth.add(pnlSouth2);
pnlSouth1.add(btnTop);
pnlSouth1.add(btnPrevious);
pnlSouth1.add(btnNext);
pnlSouth1.add(btnBottom);
pnlSouth1.add(btnExit);
pnlSouth2.add(btnEdit);
pnlSouth2.add(btnOK);
pnlSouth2.add(btnCancel);// 设置窗口属性
setSize(500, 300);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口刚好容纳组件
pack();
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 创建学生服务对象
studentService = new StudentServiceImpl();
// 获取全部学生列表
students = studentService.findAllStudents();
// 判断是否有学生记录
if (students.size() > 0) {
// 设置当前记录号
currentRow = 1;
// 设置窗口标题
setTitle(“浏览学生表记录” + " && 当前记录:" + currentRow);
// 填充窗口各文本框数据
fillFrameData(currentRow);
} else {
JOptionPane.showMessageDialog(null, “表中没有记录!”, “浏览学生表记录”, JOptionPane.ERROR_MESSAGE);
btnTop.setEnabled(false);
btnPrevious.setEnabled(false);
btnNext.setEnabled(false);
btnBottom.setEnabled(false);
}// 【第一条】按钮单击事件
btnTop.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// 设置当前记录号
currentRow = 1;
// 填充当前记录数据
fillFrameData(currentRow);
}
});// 【上一条】按钮单击事件
btnPrevious.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (currentRow > 1) {
// 设置当前记录号
currentRow–;
// 填充当前记录数据
fillFrameData(currentRow);
} else {
JOptionPane.showMessageDialog(null, “已到第一条记录!”, “浏览学生表记录”, JOptionPane.WARNING_MESSAGE);
}
}
});// 【下一条】按钮单击事件
btnNext.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (currentRow < students.size() - 1) {
// 设置当前记录号
currentRow++;
// 填充当前记录数据
fillFrameData(currentRow);
} else {
JOptionPane.showMessageDialog(null, “已到最后一条记录!”, “浏览学生表记录”, JOptionPane.WARNING_MESSAGE);
}
}
});// 【最后一条】按钮单击事件
btnBottom.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// 设置当前记录号
currentRow = students.size() - 1;
// 填充当前记录数据
fillFrameData(currentRow);
}
});// 【退出】按钮单击事件
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
dispose();
}
});// 【编辑】按钮单击事件
btnEdit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// 设置窗口标题
setTitle(“编辑学生表记录” + " && 当前记录:" + currentRow);txtName.setEditable(true);txtSex.setEditable(true);txtAge.setEditable(true);txtDepartment.setEditable(true);txtClass.setEditable(true);txtTelephone.setEditable(true);btnOK.setEnabled(true);btnCancel.setEnabled(true);}
});
// 【确定】按钮单击事件
btnOK.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// 获取当前学生实体
Student student = students.get(currentRow);if (isNumber(txtAge.getText())) {if (isLegalTelephone(txtTelephone.getText())) {// 修改学生实体属性student.setName(txtName.getText());student.setSex(txtSex.getText());student.setAge(Integer.parseInt(txtAge.getText()));student.setDepartment(txtDepartment.getText());student.setClazz(txtClass.getText());student.setTelephone(txtTelephone.getText());// 更新学生信息int count = studentService.updateStudent(student);// 判断是否更新成功if (count > 0) {JOptionPane.showMessageDialog(null, "更新记录成功!", "编辑学生记录", JOptionPane.INFORMATION_MESSAGE);btnOK.setEnabled(false);btnCancel.setEnabled(false);btnEdit.setEnabled(true);txtName.setEditable(false);txtSex.setEditable(false);txtAge.setEditable(false);txtDepartment.setEditable(false);txtClass.setEditable(false);txtTelephone.setEditable(false);// 重新获取全部学生列表students = studentService.findAllStudents();// 设置窗口标题setTitle("浏览学生表记录" + " && 当前记录:" + currentRow);} else {JOptionPane.showMessageDialog(null, "更新记录失败!", "编辑学生记录", JOptionPane.ERROR_MESSAGE);}} else {JOptionPane.showMessageDialog(null, "非法手机号!", "编辑学生记录", JOptionPane.ERROR_MESSAGE);txtTelephone.selectAll();txtTelephone.requestFocus();}} else {JOptionPane.showMessageDialog(null, "年龄必须是数字!", "编辑学生记录", JOptionPane.ERROR_MESSAGE);txtAge.selectAll();txtAge.requestFocus();}}
});
// 【取消】按钮单击事件
btnCancel.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
btnOK.setEnabled(false);
btnCancel.setEnabled(false);
btnEdit.setEnabled(true);
txtName.setEditable(false);
txtSex.setEditable(false);
txtAge.setEditable(false);
txtDepartment.setEditable(false);
txtClass.setEditable(false);
txtTelephone.setEditable(false);
// 恢复文本框修改前的值
txtName.setText(students.get(currentRow).getName());
txtSex.setText(students.get(currentRow).getSex());
txtAge.setText(students.get(currentRow).getAge() + “”);
txtDepartment.setText(students.get(currentRow).getDepartment());
txtClass.setText(students.get(currentRow).getClazz());
txtTelephone.setText(students.get(currentRow).getTelephone());
}
});// 【学号】文本框按键事件
txtId.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtName.requestFocus();
}
}
});// 【姓名】文本框按键事件
txtName.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtSex.requestFocus();
}
}
});// 【性别】文本框按键事件
txtSex.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtAge.requestFocus();
}
}
});// 【年龄】文本框按键事件
txtAge.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtDepartment.requestFocus();
}
}
});// 【系部】文本框按键事件
txtDepartment.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtClass.requestFocus();
}
}
});// 【班级】文本框按键事件
txtClass.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtTelephone.requestFocus();
}
}
});
}
/**
- 将当前记录数据填充窗口各文本框
- @param currentRow
*/
private void fillFrameData(int currentRow) {
if (currentRow > 0) {
setTitle(“浏览学生表记录” + " && 当前记录:" + currentRow);
txtId.setText(students.get(currentRow).getId());
txtName.setText(students.get(currentRow).getName());
txtSex.setText(students.get(currentRow).getSex());
txtAge.setText(students.get(currentRow).getAge() + “”);
txtDepartment.setText(students.get(currentRow).getDepartment());
txtClass.setText(students.get(currentRow).getClazz());
txtTelephone.setText(students.get(currentRow).getTelephone());
}
}
// 判断一个字符串是否全是数字
private boolean isNumber(String str) {
for (int i = 0; i < str.length(); i++) {
if (str.charAt(i) < ‘0’ || str.charAt(i) > ‘9’) {
return false;
}
}
return true;
}/**
- 判断是否合法手机号
- @param telephone
- @return
*/
private boolean isLegalTelephone(String telephone) {
Pattern p = Pattern.compile("((13[0-9])|(15[4,\D])|(18[0-9]))\d{8}$");
Matcher m = p.matcher(telephone);
return m.matches();
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new EditStudentFrame("");
}
}
- 声明面板
运行结果
按学号查询学生记录
package net.hj.student.gui;
import net.hj.student.bean.Student;
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import javax.swing.border.TitledBorder;
import java.awt.;
import java.awt.event.*;
import java.awt.print.PrinterException;
import java.util.Vector;
import java.util.List;
/**
功能:按学号查询学生记录
作者:何杰
日期:2019年7月2日
/
public class FindStudentByIdFrame extends JFrame {
/*- 学号标签
/
private JLabel lblInputId;
/* - 学号文本框
/
private JTextField txtId;
/* - 面板
/
private JPanel panel;
private JPanel pnlSouth;
private JPanel pnlCenter;
private JPanel pnlNorth;
/* - 按钮
/
private JButton btnQuery;
private JButton btnBrowseAll;
private JButton btnPrint;
private JButton btnExit;
/* - 记录行集
/
private Vector rows;
/* - 表格列标题
/
private Vector colHead;
/* - 表格
/
private JTable table;
/* - 滚动面板
/
private JScrollPane scroller;
/* - 当前记录行号
/
private int currentRow;
/* - 学生列表
/
private List students;
/* - 创建学生服务对象
*/
private StudentService studentService;
/**
- 构造方法
- @param title
*/
public FindStudentByIdFrame(String title) {
super(title);
intiGUI();
}
/**
初始化用户界面
*/
private void intiGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlNorth = new JPanel();
pnlCenter = new JPanel();
pnlSouth = new JPanel();rows = new Vector();
colHead = new Vector();lblInputId = new JLabel(“输入学号:”);
txtId = new JTextField(10);
txtId.setHorizontalAlignment(JTextField.CENTER);
btnQuery = new JButton(“查询[Q]”);
btnQuery.setMnemonic(KeyEvent.VK_Q);
btnBrowseAll = new JButton(“显示全部记录[A]”);
btnBrowseAll.setMnemonic(KeyEvent.VK_A);
btnPrint = new JButton(“打印[P]”);
btnPrint.setMnemonic(KeyEvent.VK_D);
btnExit = new JButton(“退出[X]”);
btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件
panel.add(pnlSouth, BorderLayout.SOUTH);
panel.add(pnlCenter, BorderLayout.CENTER);
panel.add(pnlNorth, BorderLayout.NORTH);pnlNorth.add(lblInputId);
pnlNorth.add(txtId);
pnlNorth.add(btnQuery);
pnlNorth.add(btnBrowseAll);
pnlSouth.setLayout(new FlowLayout(FlowLayout.RIGHT));
pnlSouth.add(btnPrint);
pnlSouth.add(btnExit);
pnlCenter.setLayout(new BorderLayout());// 创建标题边框对象
TitledBorder tb = new TitledBorder(“查询结果”);
pnlCenter.setBorder(tb);// 创建学生服务对象
studentService = new StudentServiceImpl();
// 获取全部学生列表
students = studentService.findAllStudents();
// 填充表格数据
fillTableData();// 设置窗口大小
setSize(600, 350);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口标题
setTitle(“按学号查询学生记录”);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【退出】按钮单击事件
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
dispose();
}
});// 【打印】按钮单击事件
btnPrint.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
try {
table.print();
} catch (PrinterException e1) {
e1.printStackTrace();
}
}
});// 【查询】按钮单击事件
btnQuery.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
doQuery();
}
});// 【显示全部记录】按钮单击事件
btnBrowseAll.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
// 获取全部学生记录
students = studentService.findAllStudents();
// 填充表格数据
fillTableData();
// 删除按钮不可用
btnPrint.setEnabled(false);
}
});// 【学号】文本框按键事件
txtId.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
doQuery();
}
}
});// 表格单击事件
table.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
// 获取当前行的行数
int row = table.rowAtPoint(e.getPoint());
// 选中鼠标单击的行
table.setRowSelectionInterval(row, row);
// 设置文本框内容
txtId.setText(table.getValueAt(row, 0).toString());
}
});
}
/**
- 查询方法
*/
private void doQuery() {
// 获取查询学号
String id = txtId.getText().trim();
if (!id.equals("")) {
students.clear();
Student student = studentService.findStudentById(id);
if (student != null) {
// 将查询到的学生添加到列表
students.add(student);
}
// 填充表格
fillTableData();
} else {
JOptionPane.showMessageDialog(this, “请输入待查学生学号!”, “警告”, JOptionPane.WARNING_MESSAGE);
txtId.requestFocus();
}
}
/**
填充表格方法
*/
private void fillTableData() {
// 填充表头
colHead.clear();
colHead.add(“学号”);
colHead.add(“姓名”);
colHead.add(“性别”);
colHead.add(“年龄”);
colHead.add(“系部”);
colHead.add(“班级”);
colHead.add(“电话”);// 填充表记录
rows.clear();
for (Student student : students) {
Vector currentRow = new Vector();
currentRow.addElement(student.getId());
currentRow.addElement(student.getName());
currentRow.addElement(student.getSex());
currentRow.addElement(student.getAge() + “”);
currentRow.addElement(student.getDepartment());
currentRow.addElement(student.getClazz());
currentRow.addElement(student.getTelephone());
// 将当前行添加到记录行集
rows.add(currentRow);
}// 创建表格(参数1:记录集;参数2:表头)
table = new JTable(rows, colHead);// 定义滚动面板
scroller = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
// 将滚动面板添加到中心面板
pnlCenter.add(scroller, BorderLayout.CENTER);// 重绘窗体
repaint();// 判断是否有记录行
if (rows.isEmpty()) {
JOptionPane.showMessageDialog(this, “没有符合条件的记录!”, “错误提示”, JOptionPane.WARNING_MESSAGE);
txtId.setText("");
} else {
// 让滚动条移到最上方
scroller.getVerticalScrollBar().setValue(0);
}
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new FindStudentByIdFrame("");
}
}
运行结果
按班级查询学生记录
package net.hj.student.gui;
- 学号标签
import net.hj.student.bean.Student;
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import javax.swing.border.TitledBorder;
import java.awt.;
import java.awt.event.*;
import java.awt.print.PrinterException;
import java.util.Vector;
import java.util.List;
/**
功能:按班级查询学生记录
作者:何杰
日期:2019年7月2日
/
public class FindStudentsByClassFrame extends JFrame {
/*- 班级标签
/
private JLabel lblInputClass;
/* - 班级文本框
/
private JTextField txtClass;
/* - 面板
/
private JPanel panel;
private JPanel pnlSouth;
private JPanel pnlCenter;
private JPanel pnlNorth;
/* - 按钮
/
private JButton btnQuery;
private JButton btnBrowseAll;
private JButton btnPrint;
private JButton btnExit;
/* - 记录行集
/
private Vector rows;
/* - 表格列标题
/
private Vector colHead;
/* - 表格
/
private JTable table;
/* - 滚动面板
*/
private JScrollPane scroller;
/**
- 当前记录行号
/
private int currentRow;
/* - 学生列表
/
private List students;
/* - 创建学生服务对象
*/
private StudentService studentService;
/**
- 构造方法
- @param title
*/
public FindStudentsByClassFrame(String title) {
super(title);
intiGUI();
}
/**
初始化用户界面
*/
private void intiGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlNorth = new JPanel();
pnlCenter = new JPanel();
pnlSouth = new JPanel();rows = new Vector();
colHead = new Vector();lblInputClass = new JLabel(“输入班级:”);
txtClass = new JTextField(10);
txtClass.setHorizontalAlignment(JTextField.CENTER);
btnQuery = new JButton(“查询[Q]”);
btnQuery.setMnemonic(KeyEvent.VK_Q);
btnBrowseAll = new JButton(“显示全部记录[A]”);
btnBrowseAll.setMnemonic(KeyEvent.VK_A);
btnPrint = new JButton(“打印[P]”);
btnPrint.setMnemonic(KeyEvent.VK_D);
btnExit = new JButton(“退出[X]”);
btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件
panel.add(pnlSouth, BorderLayout.SOUTH);
panel.add(pnlCenter, BorderLayout.CENTER);
panel.add(pnlNorth, BorderLayout.NORTH);pnlNorth.add(lblInputClass);
pnlNorth.add(txtClass);
pnlNorth.add(btnQuery);
pnlNorth.add(btnBrowseAll);
pnlSouth.setLayout(new FlowLayout(FlowLayout.RIGHT));
pnlSouth.add(btnPrint);
pnlSouth.add(btnExit);
pnlCenter.setLayout(new BorderLayout());// 创建标题边框对象
TitledBorder tb = new TitledBorder(“查询结果”);
pnlCenter.setBorder(tb);// 创建学生服务对象
studentService = new StudentServiceImpl();
// 获取全部学生列表
students = studentService.findAllStudents();
// 填充表格数据
fillTableData();// 设置窗口大小
setSize(600, 350);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口标题
setTitle(“按姓名查询学生记录”);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【退出】按钮单击事件
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
dispose();
}
});// 【打印】按钮单击事件
btnPrint.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
try {
table.print();
} catch (PrinterException e1) {
e1.printStackTrace();
}
}
});// 【查询】按钮单击事件
btnQuery.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
doQuery();
}
});// 【显示全部记录】按钮单击事件
btnBrowseAll.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
// 获取全部学生记录
students = studentService.findAllStudents();
// 填充表格数据
fillTableData();
}
});// 【班级】文本框按键事件
txtClass.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
doQuery();
}
}
});// 表格单击事件
table.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
// 获取当前行的行数
int row = table.rowAtPoint(e.getPoint());
// 选中鼠标单击的行
table.setRowSelectionInterval(row, row);
// 设置文本框内容
txtClass.setText(table.getValueAt(row, 5).toString());
}
});
}
/**
- 查询方法
*/
private void doQuery() {
// 获取查询班级
String clazz = txtClass.getText().trim();
if (!clazz.equals("")) {
// 按班级查询获取学生列表
students = studentService.findStudentsByClass(clazz);
// 填充表格
fillTableData();
} else {
JOptionPane.showMessageDialog(this, “请输入待查班级!”, “警告”, JOptionPane.WARNING_MESSAGE);
txtClass.requestFocus();
}
}
/**
填充表格方法
*/
private void fillTableData() {
// 填充表头
colHead.clear();
colHead.add(“班级”);
colHead.add(“班级”);
colHead.add(“性别”);
colHead.add(“年龄”);
colHead.add(“系部”);
colHead.add(“班级”);
colHead.add(“电话”);// 填充表记录
rows.clear();
for (Student student : students) {
Vector currentRow = new Vector();
currentRow.addElement(student.getId());
currentRow.addElement(student.getName());
currentRow.addElement(student.getSex());
currentRow.addElement(student.getAge() + “”);
currentRow.addElement(student.getDepartment());
currentRow.addElement(student.getClazz());
currentRow.addElement(student.getTelephone());
// 将当前行添加到记录行集
rows.add(currentRow);
}// 创建表格(参数1:记录集;参数2:表头)
table = new JTable(rows, colHead);// 定义滚动面板
scroller = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
// 将滚动面板添加到中心面板
pnlCenter.add(scroller, BorderLayout.CENTER);// 重绘窗体
repaint();// 判断是否有记录行
if (rows.isEmpty()) {
JOptionPane.showMessageDialog(this, “没有符合条件的记录!”, “错误提示”, JOptionPane.WARNING_MESSAGE);
txtClass.setText("");
} else {
// 让滚动条移到最上方
scroller.getVerticalScrollBar().setValue(0);
}
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new FindStudentsByClassFrame("");
}
}
运行结果
按系部查询学生记录
package net.hj.student.gui;
- 班级标签
import net.hj.student.bean.Student;
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import javax.swing.border.TitledBorder;
import java.awt.;
import java.awt.event.*;
import java.awt.print.PrinterException;
import java.util.List;
import java.util.Vector;
/**
功能:按系部查询学生记录
作者:何杰
日期:2019年7月2日
/
public class FindStudentsByDepartmentFrame extends JFrame {
/*- 系部标签
/
private JLabel lblInputDepartment;
/* - 系部文本框
/
private JTextField txtDepartment;
/* - 面板
/
private JPanel panel;
private JPanel pnlSouth;
private JPanel pnlCenter;
private JPanel pnlNorth;
/* - 按钮
/
private JButton btnQuery;
private JButton btnBrowseAll;
private JButton btnPrint;
private JButton btnExit;
/* - 记录行集
/
private Vector rows;
/* - 表格列标题
/
private Vector colHead;
/* - 表格
/
private JTable table;
/* - 滚动面板
*/
private JScrollPane scroller;
/**
- 当前记录行号
/
private int currentRow;
/* - 学生列表
/
private List students;
/* - 创建学生服务对象
*/
private StudentService studentService;
/**
- 构造方法
- @param title
*/
public FindStudentsByDepartmentFrame(String title) {
super(title);
intiGUI();
}
/**
初始化用户界面
*/
private void intiGUI() {
// 创建组件
panel = (JPanel) getContentPane();
pnlNorth = new JPanel();
pnlCenter = new JPanel();
pnlSouth = new JPanel();rows = new Vector();
colHead = new Vector();lblInputDepartment = new JLabel(“输入系部:”);
txtDepartment = new JTextField(10);
txtDepartment.setHorizontalAlignment(JTextField.CENTER);
btnQuery = new JButton(“查询[Q]”);
btnQuery.setMnemonic(KeyEvent.VK_Q);
btnBrowseAll = new JButton(“显示全部记录[A]”);
btnBrowseAll.setMnemonic(KeyEvent.VK_A);
btnPrint = new JButton(“打印[P]”);
btnPrint.setMnemonic(KeyEvent.VK_D);
btnExit = new JButton(“退出[X]”);
btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件
panel.add(pnlSouth, BorderLayout.SOUTH);
panel.add(pnlCenter, BorderLayout.CENTER);
panel.add(pnlNorth, BorderLayout.NORTH);pnlNorth.add(lblInputDepartment);
pnlNorth.add(txtDepartment);
pnlNorth.add(btnQuery);
pnlNorth.add(btnBrowseAll);
pnlSouth.setLayout(new FlowLayout(FlowLayout.RIGHT));
pnlSouth.add(btnPrint);
pnlSouth.add(btnExit);
pnlCenter.setLayout(new BorderLayout());// 创建标题边框对象
TitledBorder tb = new TitledBorder(“查询结果”);
pnlCenter.setBorder(tb);// 创建学生服务对象
studentService = new StudentServiceImpl();
// 获取全部学生列表
students = studentService.findAllStudents();
// 填充表格数据
fillTableData();// 设置窗口大小
setSize(600, 350);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口标题
setTitle(“按系部查询学生记录”);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【退出】按钮单击事件
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
dispose();
}
});// 【打印】按钮单击事件
btnPrint.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
try {
table.print();
} catch (PrinterException e1) {
e1.printStackTrace();
}
}
});// 【查询】按钮单击事件
btnQuery.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
doQuery();
}
});// 【显示全部记录】按钮单击事件
btnBrowseAll.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
// 获取全部学生记录
students = studentService.findAllStudents();
// 填充表格数据
fillTableData();
}
});// 【系部】文本框按键事件
txtDepartment.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
doQuery();
}
}
});// 表格单击事件
table.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
// 获取当前行的行数
int row = table.rowAtPoint(e.getPoint());
// 选中鼠标单击的行
table.setRowSelectionInterval(row, row);
// 设置文本框内容
txtDepartment.setText(table.getValueAt(row, 4).toString());
}
});
}
/**
- 查询方法
*/
private void doQuery() {
// 获取查询系部
String department = txtDepartment.getText().trim();
if (!department.equals("")) {
// 按系部查询获取学生列表
students = studentService.findStudentsByDepartment(department);
// 填充表格
fillTableData();
} else {
JOptionPane.showMessageDialog(this, “请输入待查系部!”, “警告”, JOptionPane.WARNING_MESSAGE);
txtDepartment.requestFocus();
}
}
/**
填充表格方法
*/
private void fillTableData() {
// 填充表头
colHead.clear();
colHead.add(“系部”);
colHead.add(“系部”);
colHead.add(“性别”);
colHead.add(“年龄”);
colHead.add(“系部”);
colHead.add(“系部”);
colHead.add(“电话”);// 填充表记录
rows.clear();
for (Student student : students) {
Vector currentRow = new Vector();
currentRow.addElement(student.getId());
currentRow.addElement(student.getName());
currentRow.addElement(student.getSex());
currentRow.addElement(student.getAge() + “”);
currentRow.addElement(student.getDepartment());
currentRow.addElement(student.getClazz());
currentRow.addElement(student.getTelephone());
// 将当前行添加到记录行集
rows.add(currentRow);
}// 创建表格(参数1:记录集;参数2:表头)
table = new JTable(rows, colHead);// 定义滚动面板
scroller = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
// 将滚动面板添加到中心面板
pnlCenter.add(scroller, BorderLayout.CENTER);// 重绘窗体
repaint();// 判断是否有记录行
if (rows.isEmpty()) {
JOptionPane.showMessageDialog(this, “没有符合条件的记录!”, “错误提示”, JOptionPane.WARNING_MESSAGE);
txtDepartment.setText("");
} else {
// 让滚动条移到最上方
scroller.getVerticalScrollBar().setValue(0);
}
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new FindStudentsByDepartmentFrame("");
}
}
运行结果
输入姓名查找记录
package net.hj.student.gui;
- 系部标签
import net.hj.student.bean.Student;
import net.hj.student.service.StudentService;
import net.hj.student.service.impl.StudentServiceImpl;
import javax.swing.;
import javax.swing.border.TitledBorder;
import java.awt.;
import java.awt.event.*;
import java.awt.print.PrinterException;
import java.util.Vector;
import java.util.List;
/**
功能:输入姓名查找记录
作者:何杰
日期:2019年7月2日
/
public class FindStudentsByNameFrame extends JFrame {
/*- 姓名标签
/
private JLabel lblInputName;
/* - 姓名文本框
*/
private JTextField txtName;
/**
- 面板
*/
private JPanel panel;
private JPanel pnlSouth;
private JPanel pnlCenter;
private JPanel pnlNorth;
/**
- 按钮
*/
private JButton btnQuery;
private JButton btnBrowseAll;
private JButton btnPrint;
private JButton btnExit;
/**
- 记录行集
/
private Vector rows;
/* - 表格列标题
/
private Vector colHead;
/* - 表格
/
private JTable table;
/* - 滚动面板
*/
private JScrollPane scroller;
/**
- 当前记录行号
/
private int currentRow;
/* - 学生列表
/
private List students;
/* - 创建学生服务对象
*/
private StudentService studentService;
/**
- 构造方法
- @param title
*/
public FindStudentsByNameFrame(String title) {
super(title);
intiGUI();
}
/**
初始化用户界面
*/
private void intiGUI() {
// 创建对象
panel = (JPanel) getContentPane();
pnlNorth = new JPanel();
pnlCenter = new JPanel();
pnlSouth = new JPanel();rows = new Vector();
colHead = new Vector();lblInputName = new JLabel(“输入姓名:”);
txtName = new JTextField(10);
txtName.setHorizontalAlignment(JTextField.CENTER);
btnQuery = new JButton(“查询[Q]”);
btnQuery.setMnemonic(KeyEvent.VK_Q);
btnBrowseAll = new JButton(“显示全部记录[A]”);
btnBrowseAll.setMnemonic(KeyEvent.VK_A);
btnPrint = new JButton(“打印[P]”);
btnPrint.setMnemonic(KeyEvent.VK_D);
btnExit = new JButton(“退出[X]”);
btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件
panel.add(pnlSouth, BorderLayout.SOUTH);
panel.add(pnlCenter, BorderLayout.CENTER);
panel.add(pnlNorth, BorderLayout.NORTH);pnlNorth.add(lblInputName);
pnlNorth.add(txtName);
pnlNorth.add(btnQuery);
pnlNorth.add(btnBrowseAll);
pnlSouth.setLayout(new FlowLayout(FlowLayout.RIGHT));
pnlSouth.add(btnPrint);
pnlSouth.add(btnExit);
pnlCenter.setLayout(new BorderLayout());// 创建标题边框对象
TitledBorder tb = new TitledBorder(“查询结果”);
pnlCenter.setBorder(tb);// 创建学生服务对象
studentService = new StudentServiceImpl();
// 获取全部学生列表
students = studentService.findAllStudents();
// 填充表格数据
fillTableData();// 设置窗口大小
setSize(600, 350);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口标题
setTitle(“按姓名查询学生记录”);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【退出】按钮单击事件
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
dispose();
}
});// 【打印】按钮单击事件
btnPrint.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
try {
table.print();
} catch (PrinterException e1) {
e1.printStackTrace();
}
}
});// 【查询】按钮单击事件
btnQuery.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
doQuery();
}
});// 【显示全部记录】按钮单击事件
btnBrowseAll.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
// 获取全部学生记录
students = studentService.findAllStudents();
// 填充表格数据
fillTableData();
}
});// 【姓名】文本框按键事件
txtName.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
doQuery();
}
}
});// 表格单击事件
table.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
// 获取当前行的行数
int row = table.rowAtPoint(e.getPoint());
// 选中鼠标单击的行
table.setRowSelectionInterval(row, row);
// 设置文本框内容
txtName.setText(table.getValueAt(row, 1).toString());
}
});
}
/**
- 查询方法
*/
private void doQuery() {
// 获取查询姓名
String name = txtName.getText().trim();
if (!name.equals("")) {
// 按姓名查询获取学生列表
students = studentService.findStudentsByName(name);
// 填充表格
fillTableData();
} else {
JOptionPane.showMessageDialog(this, “请输入待查学生姓名!”, “警告”, JOptionPane.WARNING_MESSAGE);
txtName.requestFocus();
}
}
/**
填充表格方法
*/
private void fillTableData() {
// 填充表头
colHead.clear();
colHead.add(“姓名”);
colHead.add(“姓名”);
colHead.add(“性别”);
colHead.add(“年龄”);
colHead.add(“系部”);
colHead.add(“班级”);
colHead.add(“电话”);// 填充表记录
rows.clear();
for (Student student : students) {
Vector currentRow = new Vector();
currentRow.addElement(student.getId());
currentRow.addElement(student.getName());
currentRow.addElement(student.getSex());
currentRow.addElement(student.getAge() + “”);
currentRow.addElement(student.getDepartment());
currentRow.addElement(student.getClazz());
currentRow.addElement(student.getTelephone());
// 将当前行添加到记录行集
rows.add(currentRow);
}// 创建表格(参数1:记录集;参数2:表头)
table = new JTable(rows, colHead);// 定义滚动面板
scroller = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
// 将滚动面板添加到中心面板
pnlCenter.add(scroller, BorderLayout.CENTER);// 重绘窗体
repaint();// 判断是否有记录行
if (rows.isEmpty()) {
JOptionPane.showMessageDialog(this, “没有符合条件的记录!”, “错误提示”, JOptionPane.WARNING_MESSAGE);
txtName.setText("");
} else {
// 让滚动条移到最上方
scroller.getVerticalScrollBar().setValue(0);
}
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new FindStudentsByNameFrame("");
}
}
运行结果
设置学校信息
package net.hj.student.gui;
- 姓名标签
import net.hj.student.bean.College;
import net.hj.student.service.CollegeService;
import net.hj.student.service.impl.CollegeServiceImpl;
import javax.swing.;
import java.awt.;
import java.awt.event.*;
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;
/**
功能:设置学校信息
作者:何杰
日期:2019年7月1日
/
public class SetCollegeInfoFrame extends JFrame {
/*- 面板
/
JPanel panel;
JPanel pnlNorth;
JPanel panel1;
JPanel panel2;
JPanel panel3;
JPanel panel4;
JPanel panel5;
JPanel pnlCenter;
JPanel pnlSouth;
/* - 标签
/
JLabel lblName;
JLabel lblPresident;
JLabel lblStartTime;
JLabel lblTelephone;
JLabel lblEmail;
JLabel lblAddress;
JLabel lblProfile;
/* - 按钮
/
JButton btnSave;
JButton btnExit;
/* - 文本框与文本区
/
JTextField txtName;
JTextField txtPresident;
JTextField txtStartTime;
JTextField txtTelephone;
JTextField txtEMail;
JTextField txtAddress;
JTextArea txtProfile;
/* - 滚动面板
/
JScrollPane scrollPane;
/* - 学校服务
*/
private CollegeService collegeService;
private College college;
private int id = 1;
/**
- 构造方法
- @param title
*/
public SetCollegeInfoFrame(String title) {
super(title);
initGUI();
}
/**
初始化用户界面
*/
private void initGUI() {
// 创建组件(面板与控件)
panel = (JPanel) getContentPane();
pnlNorth = new JPanel();
panel1 = new JPanel();
panel2 = new JPanel();
panel3 = new JPanel();
panel4 = new JPanel();
panel5 = new JPanel();
pnlCenter = new JPanel();
pnlSouth = new JPanel();lblName = new JLabel(“学校名称:”);
lblPresident = new JLabel(“校 长:”);
lblStartTime = new JLabel(“建校时间:”);
lblTelephone = new JLabel(“联系电话:”);
lblEmail = new JLabel(“电子邮箱:”);
lblAddress = new JLabel(“通讯地址:”);
lblProfile = new JLabel(“学校简介:”);txtName = new JTextField(30);
txtPresident = new JTextField(11);
txtStartTime = new JTextField(12);
txtTelephone = new JTextField(11);
txtEMail = new JTextField(12);
txtAddress = new JTextField(30);
txtProfile = new JTextArea(5, 37);
txtProfile.setLineWrap(true);// 让文本区自动换行
scrollPane = new JScrollPane(txtProfile, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
btnSave = new JButton(“保存[S]”);
btnSave.setMnemonic(KeyEvent.VK_S);
btnExit = new JButton(“退出[X]”);
btnExit.setMnemonic(KeyEvent.VK_X);// 设置大面板布局,将北面板、中面板与南面板添加到大面板
panel.setLayout(new BorderLayout());
panel.add(pnlNorth, “North”);
panel.add(pnlCenter, “Center”);
panel.add(pnlSouth, “South”);// 设置北面板布局,添加五个小面板
pnlNorth.setLayout(new GridLayout(5, 1));
pnlNorth.add(panel1);
pnlNorth.add(panel2);
pnlNorth.add(panel3);
pnlNorth.add(panel4);
pnlNorth.add(panel5);// 将控件依次添加到五个小面板
panel1.add(lblName);
panel1.add(txtName);
panel2.add(lblPresident);
panel2.add(txtPresident);
panel2.add(lblStartTime);
panel2.add(txtStartTime);
panel3.add(lblTelephone);
panel3.add(txtTelephone);
panel3.add(lblEmail);
panel3.add(txtEMail);
panel4.add(lblAddress);
panel4.add(txtAddress);
panel5.add(lblProfile);// 将滚动面板添加到中面板
pnlCenter.add(scrollPane);// 将两个按钮添加到南面板
pnlSouth.add(btnSave);
pnlSouth.add(btnExit);// 创建学校服务对象
collegeService = new CollegeServiceImpl();
// 获取学校对象
college = collegeService.findCollegeById(id);
// 利用学校对象属性值设置相应控件的内容
txtName.setText(college.getName());
txtPresident.setText(college.getPresident());
txtStartTime.setText(college.getStartTime().toString());
txtTelephone.setText(college.getTelephone());
txtEMail.setText(college.getEmail());
txtAddress.setText(college.getAddress());
txtProfile.setText(college.getProfile());// 设置窗口大小
setSize(450, 350);
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口刚好容纳组件
pack();
// 设置窗口标题
setTitle(“设置学校信息”);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【关闭】按钮单击事件处理
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
// 关闭窗口
dispose();
}
});// 【保存】按钮单击事件处理
btnSave.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
try {
// 修改学校对象属性
college.setName(txtName.getText());
college.setPresident(txtPresident.getText());
college.setStartTime(new Timestamp(
new SimpleDateFormat(“yyyy-MM-dd”)
.parse(txtStartTime.getText().toString()).getTime()));
college.setTelephone(txtTelephone.getText());
college.setEmail(txtEMail.getText());
college.setAddress(txtAddress.getText());
college.setProfile(txtProfile.getText());
// 更新学校信息
collegeService.updateCollege(college);
// 提示用户更新成功
JOptionPane.showMessageDialog(null, “更新数据成功!”);
} catch (ParseException e) {
// 提示用户更新失败
JOptionPane.showMessageDialog(null, “更新数据失败!”);
}
}
});
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
new SetCollegeInfoFrame("");
}
}
运行结果
设置状态栏信息
package net.hj.student.gui;
- 面板
import net.hj.student.app.Application;
import net.hj.student.bean.Status;
import net.hj.student.service.StatusService;
import net.hj.student.service.impl.StatusServiceImpl;
import javax.swing.;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
/**
功能:设置状态栏信息
作者:何杰
日期:2019年7月2日
/
public class SetStatusBarFrame extends JFrame {
/*- 面板
/
private JPanel panel;
private JPanel panel1;
private JPanel panel2;
private JPanel panel3;
private JPanel panel4;
private JPanel panel5;
/* - 标签
/
private JLabel lblCollege;
private JLabel lblVersion;
private JLabel lblAuthor;
private JLabel lblTelephone;
private JLabel lblAddress;
private JLabel lblEmail;
/* - 文本框
/
private JTextField txtCollege;
private JTextField txtVersion;
private JTextField txtAuthor;
private JTextField txtTelephone;
private JTextField txtAddress;
private JTextField txtEmail;
/* - 按钮
/
private JButton btnSave;
private JButton btnExit;
/* - 状态服务对象
*/
private StatusService statusService;
/**
- 构造方法
- @param title
*/
public SetStatusBarFrame(String title) {
super(title);
initGUI();
}
/**
初始化用户界面
*/
private void initGUI() {
// 创建组件
panel = (JPanel) getContentPane();
panel1 = new JPanel();
panel2 = new JPanel();
panel3 = new JPanel();
panel4 = new JPanel();
panel5 = new JPanel();lblCollege = new JLabel(“校名:”);
lblVersion = new JLabel(“版本:”);
lblAuthor = new JLabel(“作者:”);
lblTelephone = new JLabel(“电话:”);
lblAddress = new JLabel(“地址:”);
lblEmail = new JLabel(“邮件:”);txtCollege = new JTextField(12);
txtVersion = new JTextField(12);
txtAuthor = new JTextField(12);
txtTelephone = new JTextField(12);
txtAddress = new JTextField(29);
txtEmail = new JTextField(29);btnSave = new JButton(“保存[S]”);
btnSave.setMnemonic(KeyEvent.VK_S);
btnExit = new JButton(“退出[X]”);
btnExit.setMnemonic(KeyEvent.VK_X);// 添加组件
panel.setLayout(new GridLayout(5, 1));
panel.add(panel1);
panel.add(panel2);
panel.add(panel3);
panel.add(panel4);
panel.add(panel5);panel1.add(lblCollege);
panel1.add(txtCollege);
panel1.add(lblVersion);
panel1.add(txtVersion);panel2.add(lblAuthor);
panel2.add(txtAuthor);
panel2.add(lblTelephone);
panel2.add(txtTelephone);panel3.add(lblAddress);
panel3.add(txtAddress);
panel4.add(lblEmail);
panel4.add(txtEmail);panel5.add(btnSave);
panel5.add(btnExit);// 创建状态服务对象
statusService = new StatusServiceImpl();
// 按标识符获取状态对象
Status status = statusService.findStatusById(1);
if (status != null) {
txtCollege.setText(status.getCollege());
txtVersion.setText(status.getVersion());
txtAuthor.setText(status.getAuthor());
txtAddress.setText(status.getAuthor());
txtTelephone.setText(status.getTelephone());
txtAddress.setText(status.getAddress());
txtEmail.setText(status.getEmail());
}// 设置窗口大小
setSize(450, 350);
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口不可调整大小
setResizable(false);
// 设置窗口刚好容纳组件
pack();
// 设置窗口标题
setTitle(“设置状态栏信息”);
// 设置窗口可见
setVisible(true);
// 设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);// 【关闭】按钮事件处理
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
dispose();
}
});// 【保存】按钮事件处理
btnSave.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// 获取状态信息对象
Status status = statusService.findStatusById(1);
// 修改属性值
status.setCollege(txtCollege.getText());
status.setVersion(txtVersion.getText());
status.setAuthor(txtAuthor.getText());
status.setTelephone(txtTelephone.getText());
status.setAddress(txtAddress.getText());
status.setEmail(txtEmail.getText());
// 更新状态记录
int count = statusService.updateStatus(status);
// 判断是否更新成功
if (count > 0) {
Application.mainFrame.setStatusBar();
Application.mainFrame.setTitle(“学生信息管理系统” + status.getVersion());
}
}
});
}
}
这个必须弄完登录注册之后才能运行
登录界面
package net.hj.student.gui;
- 面板
import net.hj.student.app.Application;
import net.hj.student.bean.Status;
import net.hj.student.bean.User;
import net.hj.student.service.StatusService;
import net.hj.student.service.UserService;
import net.hj.student.service.impl.StatusServiceImpl;
import net.hj.student.service.impl.UserServiceImpl;
import javax.swing.;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
/**
功能:登录窗口
作者:何杰
日期:2019年7月1日
*/
public class LoginFrame extends JFrame {
private String username;
private String password;private JLabel lblUsername;
private JLabel lblPassword;
private JTextField txtUsername;
private JPasswordField txtPassword;private JButton btnOK;
private JButton btnCancel;
private JButton btnRegister;private JPanel panel, panel1, panel2, panel3;
/**
- 构造方法
- @param title
*/
public LoginFrame(String title){
super(title);
initGUI();
}
/**
初始化图形用户界面
*/
private void initGUI() {
//实例化组件(面板与控件)
panel = (JPanel) getContentPane();
panel1 = new JPanel();
panel2 = new JPanel();
panel3 = new JPanel();lblUsername = new JLabel(“用户名:”);
lblPassword = new JLabel(“密 码:”);
txtUsername = new JTextField(15);
txtPassword = new JPasswordField(15);
btnOK = new JButton(“确定[0]”);
btnCancel = new JButton(“取消[C]”);
btnRegister = new JButton(“注册[R]”);//将控件添加到三个小面板
panel1.add(lblUsername);
panel1.add(txtUsername);
panel2.add(lblPassword);
panel2.add(txtPassword);
panel3.add(btnOK);
panel3.add(btnCancel);
panel3.add(btnRegister);//设置主面板为三行一列的网络布局
panel.setLayout(new GridLayout(3,1));
//将三个小面板一次添加到主面板
panel.add(panel1);
panel.add(panel2);
panel.add(panel3);//设置按钮热键字母
btnOK.setMnemonic(KeyEvent.VK_0);
btnCancel.setMnemonic(KeyEvent.VK_C);
btnRegister.setMnemonic(KeyEvent.VK_R);
//设置密码框回显字符
txtPassword.setEchoChar(’*’);//设置窗口大小
setSize(250,200);
//设置窗口屏幕居中
setLocationRelativeTo(null);
//设置窗口不可调整大小
setResizable(false);
//设置窗口刚好容纳组件
pack();
//设置窗口可见
setVisible(true);
//设置窗口默认关闭操作
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//【确定】按钮单击事件处理
btnOK.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
login();
}
});
//【确定】按钮按键事件处理
btnOK.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
//按下回车键,调用登录方法
if (e.getKeyCode() == KeyEvent.VK_ENTER){
login();
}
}
});
//【用户名】文本框按键事件处理
txtUsername.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
//判断是否按下回车键
if(e.getKeyCode() == KeyEvent.VK_ENTER){
//让密码文本框获取焦点
txtPassword.requestFocus();
}
}
});
//【密码】文本框按键事件处理
txtPassword.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
//判断是否按了回车键
if(e.getKeyCode() == KeyEvent.VK_ENTER){
login();
}
}
});
//【取消】按钮点击事件处理
btnCancel.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
//【注册】按钮单机事件处理
btnRegister.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
//隐藏登录窗口
Application.loginFrame.setVisible(false);
//创建注册窗口
Application.registerFrame = new RegisterFrame(“用户注册”);
}
});
}
/**
登录方法
*/
private void login() {
//获取用户名
username = txtUsername.getText().trim();
//获取密码
password = new String(txtPassword.getPassword());//创建用户服务对象
UserService userService = new UserServiceImpl();
//创建用户
User user = userService.login(username, password);
//调用用户数据访问对象的用户名存在与否方法
boolean result = userService.isUsernameExisted(username);
//根据用户名获取密码值
String userPassword = userService.findPasswordByUsername(username);
//判断密码正确错误
boolean result1 = userPassword.equals(password);
//判断密码是否为空
boolean result2 = password.equals("");
//判断是否存在来决定登录成功与否
if (result){
//判断密码是否错误
if (result1){
//隐藏登录窗口
Application.loginFrame.setVisible(false);
//定义状态服务对象
StatusService statusService = new StatusServiceImpl();
//获取状态对象
Status status = statusService.findStatusById(1);
//保存登录用户的信息
Application.id = user.getId();
Application.username = user.getUsername();
Application.password = user.getPassword();
//提示用户登录成功
JOptionPane.showMessageDialog(null,
“欢迎使用学生信息管理系统” + status.getVersion(),
“用户登录”, JOptionPane.INFORMATION_MESSAGE);
//显示系统主窗口
Application.mainFrame = new MainFrame("");
//释放登录窗口
Application.loginFrame.dispose();
}else {
//判断密码是否为空
if (result2) {
//隐藏登录窗口
Application.loginFrame.setVisible(false);
//提示用户登录失败,要重新输入用户名
JOptionPane.showMessageDialog(null,
“密码为空,请输入密码!”,
“用户登录”, JOptionPane.ERROR_MESSAGE);
//显示登录窗口
Application.loginFrame.setVisible(true);
//用户名文本框内容全选
txtUsername.selectAll();
//密码文本框内容全选
txtPassword.selectAll();
//用户名文本框获取焦点
txtUsername.requestFocus();
} else {
//隐藏登录窗口
Application.loginFrame.setVisible(false);
//提示用户登录失败,要重新输入用户名
JOptionPane.showMessageDialog(null,
“密码输入错误,请重新输入!”,
“用户登录”, JOptionPane.ERROR_MESSAGE);
//显示登录窗口
Application.loginFrame.setVisible(true);
//用户名文本框内容全选
txtUsername.selectAll();
//密码文本框内容全选
txtPassword.selectAll();
//用户名文本框获取焦点
txtUsername.requestFocus();
}
}
}else {
//隐藏登录窗口
Application.loginFrame.setVisible(false);
//提示用户登录失败,要重新输入用户名
JOptionPane.showMessageDialog(null,
“用户名不存在,请重新输入!”,
“用户登录”, JOptionPane.ERROR_MESSAGE);
//显示登录窗口
Application.loginFrame.setVisible(true);
//用户名文本框内容全选
txtUsername.selectAll();
//密码文本框内容全选
txtPassword.selectAll();
//用户名文本框获取焦点
txtUsername.requestFocus();}
}
public static void main(String[] args){
Application.loginFrame = new LoginFrame(“用户登录”);
}
}
运行结果
没有输入用户名的情况下点击确定
乱输入用户名的情况下点确定
输入正确用户名不输入密码的情况下点确定
用户名正确密码错误的情况下点确定
登录成功之后
点击确认会进入主界面
主界面代码
package net.hj.student.gui;
import net.hj.student.app.Application;
import net.hj.student.bean.Status;
import net.hj.student.service.StatusService;
import net.hj.student.service.impl.StatusServiceImpl;
import javax.swing.;
import java.awt.;
import java.awt.event.*;
import java.io.IOException;
/**
功能:主界面窗口
通过菜单系统
调用各个功能模块
作者:何杰
日期:2019年7月2日
/
public class MainFrame extends JFrame {
/*- 菜单部分
/
private JMenuBar mnbMain;
/* - 设置菜单
/
private JMenu mnuSet;
private JMenuItem mniSetCollegeInfo;
private JMenuItem mniSetStatusBar;
private JMenuItem mniChangePassword;
private JMenuItem mniExit;
/* - 操作菜单
/
private JMenu mnuOperate;
private JMenuItem mniAddStudent;
private JMenuItem mniBrowseStudent;
private JMenuItem mniEditStudent;
/* - 删除菜单
/
private JMenu mnuDelStu;
private JMenuItem mniDelStudentById;
private JMenuItem mniDelStudentsByClass;
private JMenuItem mniDelStudentsByDepartment;
/* - 查询菜单
/
private JMenu mnuFind;
private JMenuItem mniFindStudentById;
private JMenuItem mniFindStudentsByName;
private JMenuItem mniFindStudentsByClass;
private JMenuItem mniFindStudentsByDepartment;
/* - 统计菜单
/
private JMenu mnuCount;
private JMenuItem mniCountStudentsBySex;
private JMenuItem mniCountStudentsByClass;
private JMenuItem mniCountStudentsByDepartment;
/* - 帮助菜单
/
private JMenu mnuHelp;
private JMenuItem mniHelp;
private JMenuItem mniAbout;
/* - 面板
/
private JPanel panel;
private JPanel pnlCenter;
private JPanel pnlSouth;
/* - 状态栏标签
/
private JLabel lblStatusBar;
/* - 背景标签
*/
private JLabel lblBackground;
/**
- 图标对象
/
private ImageIcon imgCollege;
private ImageIcon imgExit;
private ImageIcon imgPassword;
private ImageIcon imgQuery;
private ImageIcon imgBrowse;
private ImageIcon imgCount;
private ImageIcon imgBackground;
/* - 工具栏
/
private JToolBar toolbar;
/* - 按钮
/
private JButton btnSetCollege;
private JButton btnChangePassword;
private JButton btnFindStudentById;
private JButton btnExit;
private JButton btnBrowseStudent;
private JButton btnCountByDepartment;
/* - 状态对象
/
private Status status;
/* - 状态服务对象
*/
private StatusService statusService;
/**
- 构造方法
- @param title
*/
public MainFrame(String title) {
super(title);
initGUI();
}
/**
初始化图形用户界面
*/
private void initGUI() {
// 创建主菜单
mnbMain = new JMenuBar();// 创建【设置】菜单及其菜单项
mnuSet = new JMenu(“系统设置[S]”);
mnuSet.setMnemonic(KeyEvent.VK_S);
mniSetCollegeInfo = new JMenuItem(“学校信息”);
mniSetStatusBar = new JMenuItem(“状态栏信息”);
mniChangePassword = new JMenuItem(“修改密码”);
mniExit = new JMenuItem(“退出系统”);// 创建【操作】菜单及其菜单项
mnuOperate = new JMenu(“数据操作[O]”);
mnuOperate.setMnemonic(KeyEvent.VK_O);
mniAddStudent = new JMenuItem(“增加学生表记录”);
mnuDelStu = new JMenu(“删除学生表记录”);
mniEditStudent = new JMenuItem(“编辑学生表记录”);
mniBrowseStudent = new JMenuItem(“浏览学生表记录”);// 创建【删除学生表记录】的子菜单
mniDelStudentById = new JMenuItem(“按学号删除”);
mniDelStudentsByClass = new JMenuItem(“按班级删除”);
mniDelStudentsByDepartment = new JMenuItem(“按系部删除”);// 创建【查询】菜单及其菜单项
mnuFind = new JMenu(“查询学生[Q]”);
mnuFind.setMnemonic(KeyEvent.VK_Q);
mniFindStudentById = new JMenuItem(“按学号查询”);
mniFindStudentsByName = new JMenuItem(“按姓名查询”);
mniFindStudentsByClass = new JMenuItem(“按班级查询”);
mniFindStudentsByDepartment = new JMenuItem(“按系部查询”);// 创建【统计】菜单及其菜单项
mnuCount = new JMenu(“人数统计[C]”);
mnuCount.setMnemonic(KeyEvent.VK_C);
mniCountStudentsBySex = new JMenuItem(“按性别统计”);
mniCountStudentsByClass = new JMenuItem(“按班级统计”);
mniCountStudentsByDepartment = new JMenuItem(“按系部统计”);// 创建【帮助】菜单及其菜单项
mnuHelp = new JMenu(“帮助[H]”);
mnuHelp.setMnemonic(KeyEvent.VK_H);
mniHelp = new JMenuItem(“帮助”);
mniAbout = new JMenuItem(“关于”);// 创建图标对象
imgCollege = new ImageIcon(“images/college.png”);
imgPassword = new ImageIcon(“images/password.png”);
imgQuery = new ImageIcon(“images/query.png”);
imgBrowse = new ImageIcon(“images/browse.png”);
imgCount = new ImageIcon(“images/count.png”);
imgExit = new ImageIcon(“images/exit.png”);// 创建工具栏
toolbar = new JToolBar();
btnSetCollege = new JButton(“设置学校”, imgCollege);
btnSetCollege.setToolTipText(“设置学校信息”);
btnSetCollege.setVerticalTextPosition(AbstractButton.BOTTOM);
btnSetCollege.setHorizontalTextPosition(AbstractButton.CENTER);
btnChangePassword = new JButton(“修改密码”, imgPassword);
btnChangePassword.setToolTipText(“修改用户密码”);
btnChangePassword.setVerticalTextPosition(AbstractButton.BOTTOM);
btnChangePassword.setHorizontalTextPosition(AbstractButton.CENTER);
btnBrowseStudent = new JButton(“浏览学生”, imgBrowse);
btnBrowseStudent.setToolTipText(“浏览学生记录”);
btnBrowseStudent.setVerticalTextPosition(AbstractButton.BOTTOM);
btnBrowseStudent.setHorizontalTextPosition(AbstractButton.CENTER);
btnFindStudentById = new JButton(“查询学生”, imgQuery);
btnFindStudentById.setToolTipText(“按学号查询学生记录”);
btnFindStudentById.setVerticalTextPosition(AbstractButton.BOTTOM);
btnFindStudentById.setHorizontalTextPosition(AbstractButton.CENTER);
btnCountByDepartment = new JButton(“统计人数”, imgCount);
btnCountByDepartment.setToolTipText(“按系部统计学生人数”);
btnCountByDepartment.setVerticalTextPosition(AbstractButton.BOTTOM);
btnCountByDepartment.setHorizontalTextPosition(AbstractButton.CENTER);
btnExit = new JButton(“退出系统”, imgExit);
btnExit.setToolTipText(“退出系统”);
btnExit.setVerticalTextPosition(AbstractButton.BOTTOM);
btnExit.setHorizontalTextPosition(AbstractButton.CENTER);
toolbar.add(btnSetCollege);
toolbar.add(btnChangePassword);
toolbar.add(btnBrowseStudent);
toolbar.add(btnFindStudentById);
toolbar.add(btnCountByDepartment);
toolbar.add(btnExit);// 创建面板
panel = (JPanel) getContentPane();
pnlCenter = new JPanel();
pnlSouth = new JPanel();
pnlSouth.setLayout(new FlowLayout(FlowLayout.LEFT));// 创建背景图片
imgBackground = new ImageIcon(“images/background.jpg”);
// 创建背景标签
lblBackground = new JLabel(imgBackground);
// 创建状态栏标签
lblStatusBar = new JLabel();// 设置菜单栏
setJMenuBar(mnbMain);
// 添加【设置】菜单
mnbMain.add(mnuSet);
mnuSet.add(mniSetCollegeInfo);
mnuSet.add(mniSetStatusBar);
mnuSet.add(mniChangePassword);
mnuSet.addSeparator();
mnuSet.add(mniExit);// 添加【删除学生表记录】菜单
mnuDelStu.add(mniDelStudentById);
mnuDelStu.add(mniDelStudentsByClass);
mnuDelStu.add(mniDelStudentsByDepartment);// 添加【操作】菜单
mnbMain.add(mnuOperate);
mnuOperate.add(mniAddStudent);
mnuOperate.add(mniEditStudent);
mnuOperate.add(mnuDelStu);
mnuOperate.add(mniBrowseStudent);// 添加【查询】菜单
mnbMain.add(mnuFind);
mnuFind.add(mniFindStudentById);
mnuFind.add(mniFindStudentsByName);
mnuFind.add(mniFindStudentsByClass);
mnuFind.add(mniFindStudentsByDepartment);// 添加【统计】菜单
mnbMain.add(mnuCount);
mnuCount.add(mniCountStudentsBySex);
mnuCount.add(mniCountStudentsByClass);
mnuCount.add(mniCountStudentsByDepartment);// 添加【帮助】菜单
mnbMain.add(mnuHelp);
mnuHelp.add(mniHelp);
mnuHelp.add(mniAbout);// 添加面板
panel.setLayout(new BorderLayout());
panel.add(toolbar, “North”);
panel.add(pnlCenter, “Center”);
panel.add(pnlSouth, “South”);
pnlCenter.add(lblBackground);
pnlSouth.add(lblStatusBar);// 非管理员不能设置状态栏
if (!Application.username.equals(“admin”)) {
mniSetCollegeInfo.setEnabled(false);
mniSetStatusBar.setEnabled(false);
mniAddStudent.setEnabled(false);
mnuDelStu.setEnabled(false);
mniEditStudent.setEnabled(false);
}// 设置状态栏信息
setStatusBar();// 创建状态服务对象
statusService = new StatusServiceImpl();
// 获取状态对象
status = statusService.findStatusById(1);// 设置窗口尺寸
setSize(800, 640);
// 设置窗口可见
setVisible(true);
// 设置窗口屏幕居中
setLocationRelativeTo(null);
// 设置窗口标题
setTitle(“学生信息管理系统” + status.getVersion());// 注册窗口监听器,继承窗口适配器,编写事件处理方法
addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
exitSystem();
}
});// 设置菜单
// 【设置学校信息】菜单项单击事件
mniSetCollegeInfo.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new SetCollegeInfoFrame("");
}
});// 【设置状态栏信息】菜单项单击事件
mniSetStatusBar.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new SetStatusBarFrame("");
}
});// 【修改密码】菜单项单击事件
mniChangePassword.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new ChangePasswordFrame("");
}
});// 【退出系统】菜单项单击事件
mniExit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
exitSystem();
}
});// 查询菜单
// 【按学号查询】菜单项单击事件
mniFindStudentById.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new FindStudentByIdFrame("");
}
});// 【按姓名查询】菜单项单击事件
mniFindStudentsByName.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new FindStudentsByNameFrame("");
}
});// 【按班级查询】菜单项单击事件
mniFindStudentsByClass.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new FindStudentsByClassFrame("");
}
});// 【按系部查询】菜单项单击事件
mniFindStudentsByDepartment.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new FindStudentsByDepartmentFrame("");
}
});// 统计菜单
// 【按性别统计人数】菜单项单击事件
mniCountStudentsBySex.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new CountStudentsBySexFrame("");
}
});// 【按班级统计人数】菜单项单击事件
mniCountStudentsByClass.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new CountStudentsByClassFrame("");
}
});// 【按系部统计人数】菜单项单击事件
mniCountStudentsByDepartment.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new CountStudentsByDepartmentFrame("");
}
});// 【增加学生记录】菜单项单击事件
mniAddStudent.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
new AddStudentFrame("");
}
});// 【按学号删除学生记录】菜单项单击事件
mniDelStudentById.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new DeleteStudentByIdFrame("");
}
});// 【按班级删除学生记录】菜单项单击事件
mniDelStudentsByClass.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new DeleteStudentsByClassFrame("");
}
});// 【按系部删除学生记录】菜单项单击事件
mniDelStudentsByDepartment.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new DeleteStudentsByDepartmentFrame("");
}
});// 【编辑学生记录】菜单项单击事件
mniEditStudent.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
new EditStudentFrame("");
}
});// 【浏览学生记录】菜单项单击事件
mniBrowseStudent.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
new BrowseStudentsFrame("");
}
});// 【帮助】菜单单击事件
mniHelp.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
Runtime.getRuntime().exec(“cmd /c start help/帮助文档.chm”);
} catch (IOException e1) {
JOptionPane.showMessageDialog(null, e1.getMessage(), “学生信息管理系统”, JOptionPane.ERROR_MESSAGE);
}
}
});// 【关于】菜单单击事件
mniAbout.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(null,
“开发人员:” + status.getCollege() + “_” + status.getAuthor() + “\n联系电话:” + status.getTelephone()
+ “\n电子邮箱:” + status.getEmail(),
“学生信息管理系统” + status.getVersion(), JOptionPane.INFORMATION_MESSAGE);
}
});// 工具栏按钮单击事件
// 【设置学校信息】按钮
btnSetCollege.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new SetCollegeInfoFrame("");
}
});// 【修改密码】按钮
btnChangePassword.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new ChangePasswordFrame("");
}
});// 【浏览】按钮
btnBrowseStudent.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new BrowseStudentsFrame("");
}
});// 【查询】按钮
btnFindStudentById.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new FindStudentByIdFrame("");
}
});// 【统计】按钮
btnCountByDepartment.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
new CountStudentsByDepartmentFrame("");
}
});// 【退出】按钮
btnExit.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
exitSystem();
}
});
}
/**
- 退出系统(询问用户是否要退出)
*/
private void exitSystem() {
int choice = JOptionPane.showConfirmDialog(this,
“您是否要退出系统?”,“学生信息管理系统”, JOptionPane.YES_NO_OPTION);
if (choice == JOptionPane.YES_OPTION) {
System.exit(0);
} else {
// 卸载当前窗口
dispose();
// 重新显示主窗口
Application.mainFrame = new MainFrame(“学生信息管理系统” + status.getVersion());
}
}
/**
- 设置状态栏信息
*/
public void setStatusBar() {
// 创建状态服务对象
statusService = new StatusServiceImpl();
// 获取状态栏对象
status = statusService.findStatusById(1);
// 设置状态栏标签
lblStatusBar.setText(
status.getCollege() + “学生信息管理系统” + status.getVersion() + " 作者:" + status.getAuthor() + " 地址:"
+ status.getAddress() + " 电话:" + status.getTelephone() + " 邮箱:" + status.getEmail());
}
/**
- 主方法
- @param args
*/
public static void main(String[] args) {
Application.mainFrame = new MainFrame("");
}
}
登录之后会显示
注册
package net.hj.student.gui;
- 菜单部分
import net.hj.student.app.Application;
import net.hj.student.bean.Student;
import net.hj.student.bean.User;
import net.hj.student.service.StudentService;
import net.hj.student.service.UserService;
import net.hj.student.service.impl.StudentServiceImpl;
import net.hj.student.service.impl.UserServiceImpl;
import javax.swing.;
import java.awt.;
import java.awt.event.*;
import java.security.Provider;
import java.sql.Timestamp;
import java.util.Date;
/**
功能:注册窗口
作者:何杰
日期:2019年7月1日
/
public class RegisterFrame extends JFrame {
/*- 标签
/
private JLabel lblUsername;
private JLabel lblPassword;
private JLabel lblTelephone;
/* - 文本框
/
private JTextField txtUsername;
private JTextField txtTelephone;
private JPasswordField txtPassword;
/* - 按钮
/
private JButton btnSubmit;
private JButton btnCancel;
private JButton btnLogin;
/* - 面板
*/
private JPanel panel;
private JPanel panel1;
private JPanel panel2;
private JPanel panel3;
private JPanel panel4;
private String username;
private String password;
private String telephone;
private Date registerTime;
/**- 构造方法
- @param title
*/
public RegisterFrame(String title){
super(title);
initGUI();
}
/**
初始化图形用户界面
*/
private void initGUI() {
//创建组件(面板与控件)
panel = (JPanel)getContentPane();
panel1 = new JPanel();
panel2 = new JPanel();
panel3 = new JPanel();
panel4 = new JPanel();lblUsername = new JLabel(“用户名:”);
lblPassword = new JLabel(“密 码:”);
lblTelephone = new JLabel(“电 话:”);
txtUsername = new JTextField("", 15);
txtPassword = new JPasswordField("",15);
txtTelephone = new JTextField("", 15);
btnSubmit = new JButton(“提交[S]”);
btnCancel = new JButton(“取消[C]”);
btnLogin = new JButton(“登录[L]”);//将控件添加到四个小面板
panel1.add(lblUsername);
panel1.add(txtUsername);
panel2.add(lblPassword);
panel2.add(txtPassword);
panel3.add(lblTelephone);
panel3.add(txtTelephone);
panel4.add(btnSubmit);
panel4.add(btnCancel);
panel4.add(btnLogin);//设置面板布局,将四个小面板添加到上面
panel.setLayout(new GridLayout(4, 1 ));
panel.add(panel1);
panel.add(panel2);
panel.add(panel3);
panel.add(panel4);
//设置窗口大小
setSize(300,200);
//设置窗口屏幕居中
setLocationRelativeTo(null);
//设置窗口大小不可调整
setResizable(false);
//设置窗口标题
setTitle(“用户注册”);
//设置窗口可见
setVisible(true);
//设置窗口默认关闭操作(卸载当前窗口)
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);//注册窗口监听器
addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
//卸载当前窗口—注册窗口
dispose();
//让登录窗口可见
Application.loginFrame.setVisible(true);
}
});
// 【提交】按钮单击事件处理
btnSubmit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
register();
}
});// 【提交】按钮按键事件处理
btnSubmit.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
register();
}
}
});// 【取消】按钮单击事件处理
btnCancel.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// 显示登录窗口
Application.loginFrame.setVisible(true);
// 卸载当前窗口
dispose();
}
});// 【登录】按钮单击事件处理
btnLogin.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
// 显示登录窗口
Application.loginFrame.setVisible(true);
// 卸载当前窗口
dispose();
}
});// 【用户名】文本框按键事件处理
txtUsername.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
txtPassword.requestFocus();
}
}
});// 【密码】文本框按键事件处理
txtPassword.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == 10) {
txtTelephone.requestFocus();
}
}
});// 【电话】文本框按键事件处理
txtTelephone.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER) {
btnSubmit.requestFocus();
}
}
});
}
/**注册方法
*/
private void register() {
// 获取用户名
username = txtUsername.getText().trim();
// 获取密码
password = new String(txtPassword.getPassword());
// 获取电话
telephone = txtTelephone.getText().trim();
// 定义当前时间为注册时间
registerTime = new Timestamp(System.currentTimeMillis());// 对用户名进行非空校验
if (username.equals("")) {
JOptionPane.showMessageDialog(null, “用户名不能为空!”, “学生信息管理系统”, JOptionPane.WARNING_MESSAGE);
txtUsername.requestFocus();
return;
}
// 对密码进行非空校验
if (password.equals("")) {
JOptionPane.showMessageDialog(null, “密码不能为空!”, “学生信息管理系统”, JOptionPane.WARNING_MESSAGE);
txtPassword.requestFocus();
return;
}
// 对手机号进行非空校验
if (telephone.equals("")) {
JOptionPane.showMessageDialog(null, “手机号不能为空!”, “学生信息管理系统”, JOptionPane.WARNING_MESSAGE);
txtTelephone.requestFocus();
return;
}// 定义用户服务对象
UserService userService = new UserServiceImpl();
//调用用户数据访问对象的用户名存在与否方法
boolean result = userService.isUsernameExisted(username);
boolean result1 = userService.isTelephoneExisted(telephone);
//System.out.println(result1);
//判断用户名是否存在
if (result){
JOptionPane.showMessageDialog(null, “用户名重复!不可使用!”, “学生信息管理系统”, JOptionPane.WARNING_MESSAGE);
}else {
//判断手机号是否存在
if (result1){
JOptionPane.showMessageDialog(null, “手机号重复!不可使用!”, “学生信息管理系统”, JOptionPane.WARNING_MESSAGE);
}else {
// 创建用户
User user = new User();
user.setUsername(username);
user.setPassword(password);
user.setTelephone(telephone);
user.setRegisterTime(registerTime);
// 添加用户
int count = userService.addUser(user);
// 判断是否添加成功
if (count > 0) {
setVisible(false);
JOptionPane.showMessageDialog(null, “恭喜!注册成功!”, “学生信息管理系统”, JOptionPane.INFORMATION_MESSAGE);
setVisible(true);
} else {
JOptionPane.showMessageDialog(null, “遗憾!注册失败!”, “学生信息管理系统”, JOptionPane.INFORMATION_MESSAGE);
}
}
}
}
/**
- 主方法
- @param args
*/
public static void main(String[] args){
Application.registerFrame = new RegisterFrame("");
}
}
- 标签
运行结果
不输入用户名
不输入密码
不输入手机号
用户名重复
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