学生信息管理系统-web项目实训（基于JAVA）

//登陆
package rjgc;import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
public class LoginIn extends JFrame{JTextField f1;JTextField f2;JButton b1;JButton b2;String power;//表示权限String imgePath = "11.jpg";JPanel p5;Image img = Toolkit.getDefaultToolkit().createImage(imgePath);LoginIn(){Container cp=getContentPane();Label l1=new Label("用户：");Label l2=new Label("密码：");JPanel p1=new JPanel();JPanel p2=new JPanel();JPanel p3=new JPanel();JPanel p4=new JPanel();p5=new JPanel(){protected  void paintChildren(Graphics g) {g.drawImage(img,0,0,this);super.paintChildren(g);}};f1=new JTextField(15);f2=new JPasswordField(15);b1=new JButton("登录");b2=new JButton("重置");//p1.setBackground(Color.orange);p2.add(l1);p2.add(f1);p2.setBorder(new MatteBorder(0,0,0,0,Color.BLACK));p2.setBackground(Color.white);p3.add(l2);p3.add(f2);p3.setBackground(Color.white);p3.setBorder(new MatteBorder(0,0,0,0,Color.BLACK));p4.add(b1);p4.add(b2);p4.setBorder(new MatteBorder(-3,-3,-3,-3,Color.CYAN));p4.setBackground(Color.BLACK);p5.setLayout(new FlowLayout(FlowLayout.CENTER,120,100));p5.add(p2);p5.add(p3);p5.add(p4);cp.add(p5,BorderLayout.CENTER);b1.addActionListener(new Enter());b2.addActionListener(new ReWrite());addWindowListener(new winClose());}public static void main(String[] args) {LoginIn log=new LoginIn();log.setIconImage(Toolkit.getDefaultToolkit().createImage("F:/eclipse文件/rjgc/dl.gif"));log.setTitle("计B191 冯帅 陈力源-学生信息管理系统");log.setLocation(600,300);log.setSize(600,600);log.setVisible(true);}class Enter implements ActionListener{@SuppressWarnings("deprecation")
public void actionPerformed(ActionEvent e){  //LoginIn log=new LoginIn();if((f1.getText()).equals("admin")&&(f2.getText()).equals("123")){JOptionPane.showMessageDialog(null, "登录成功！用户权限是adimistrator");power="adminstrator";Qframe frame= new Qframe();frame.setIconImage(Toolkit.getDefaultToolkit().createImage("F:/eclipse文件/rjgc/java.gif"));frame.setLocation(400,200);frame.resize(500,285);frame.show();//log.setVisible(false);dispose();}else if((f1.getText()).equals("冯帅")&&(f2.getText()).equals("123456")){JOptionPane.showMessageDialog(null, "登录成功！用户权限是user");power="adminstrator";Qframe frame= new Qframe();frame.setIconImage(Toolkit.getDefaultToolkit().createImage("F:/eclipse文件/rjgc/java.gif"));frame.setLocation(400,200);frame.resize(500,285);frame.show();dispose();}else JOptionPane.showMessageDialog(null, "登录失败，请重新登录！");}}class ReWrite implements ActionListener{public void actionPerformed(ActionEvent e){f1.setText("");f2.setText("");f1.requestFocus();}}class winClose extends WindowAdapter{public void windowClosing(WindowEvent e){(e.getWindow()).dispose();System.exit(0);}}
}
//主界面
package rjgc;import java.awt.*;
import java.awt.event.*;
import java.security.cert.PKIXRevocationChecker.Option;import javax.swing.*;import java.sql.*;class Qframe extends JFrame implements ActionListener{JPanel contentPane;BorderLayout borderLayout1=new BorderLayout(5,10);Label prompt;JTextField stm;Button run;public static final TextArea result=new TextArea();public Qframe(){contentPane=(JPanel)this.getContentPane();contentPane.setLayout(borderLayout1);this.setTitle("学生信息管理系统");addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){System.exit(0);}});prompt =new Label("执行语句:");run=new Button("开始执行");result.setEditable(false);stm=new JTextField(100);JPanel option =new JPanel();Button zenjia=new Button("增加(add)");option.add(zenjia,BorderLayout.NORTH);zenjia.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {if(e.getSource()==zenjia){Adddialog add1= new Adddialog();add1.setVisible(true);}}});zenjia.addActionListener(this);Button shanchu=new Button("删除(delet)");option.add(shanchu,BorderLayout.NORTH);shanchu.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {if(e.getSource()==shanchu){Deletedialog dt1=new Deletedialog();dt1.setVisible(true);}}});shanchu.addActionListener(this);Button xiugai=new Button("修改(alter)");option.add(xiugai,BorderLayout.NORTH);xiugai.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {if(e.getSource()==xiugai){Alterdialog af=new Alterdialog();af.setVisible(true);}}});Button cx=new Button("查询(query)");option.add(cx,BorderLayout.NORTH);cx.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {if(e.getSource()==cx){Cxdialog cj=new Cxdialog();cj.show();}}});cx.addActionListener(this);xiugai.addActionListener(this);Button chaxun=new Button("刷新(refresh)");option.add(chaxun,BorderLayout.NORTH);chaxun.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {if(e.getSource()==chaxun){Connection sin=Dbcon.getconnectin();ResultSet rs=Dbcon.query(sin);try {result.setText("刷新成功\n\n\n");  //.format("这是一个数%1$4d",10)while(rs.next()){String msg=rs.getString("sno")+"\t"+rs.getString("sname")+"\t"+rs.getString("ssex")+"\t"+rs.getString("sage")+"\t"+rs.getString("sclass")+"\t"+rs.getString("smajor")+"\n";result.append(msg);}sin.close();rs.close();}catch(Exception h){ h.printStackTrace(); }}}});chaxun.addActionListener(this);Button tuichu=new Button("退出(quit)"); option.add(tuichu,BorderLayout.NORTH);tuichu.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {if(e.getSource()==tuichu){System.exit(0);}}});//界面布局contentPane.add(prompt,BorderLayout.WEST);contentPane.add(stm,BorderLayout.CENTER);contentPane.add(run,BorderLayout.EAST);contentPane.add(result,BorderLayout.SOUTH);contentPane.add(option,BorderLayout.NORTH);run.addActionListener(this);}public void actionPerformed(ActionEvent e){Connection con=null;Statement st=null;ResultSet rs=null;if(e.getSource()==run){try{con=Dbcon.getconnectin();//System.out.println("连接成功");String msg1="lianjiechenggong";result.setText("连接成功\n\n\n");String yuju=stm.getText();st=con.createStatement();rs=st.executeQuery(yuju);//System.out.println("fengshuai");//result.setText("");while(rs.next()){String msg=rs.getString("sno")+"\t"+rs.getString("sname")+"\t"+rs.getString("ssex")+"\t"+rs.getString("sage")+"\t"+rs.getString("sclass")+"\t"+rs.getString("smajor")+"\n";result.append(msg);}//System.out.println("连接完成");}catch(SQLException sqle){result.setText(sqle+"lianjiecuowu");//System.out.println(sqle+"lianjiecuowu");}catch(Exception h){//result.setText(h.getMessage());//System.out.println(h+"diergecuowu");h.printStackTrace();}finally{try {rs.close();st.close();con.close();} catch (SQLException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}}}}@SuppressWarnings("deprecation")
public static void main(String argc[]){LoginIn dl=new LoginIn();dl.show();Qframe frame= new Qframe();frame.setLocation(400,200);frame.resize(600,350);frame.show(); }}//添加子界面
package rjgc;import java.awt.*;
import java.awt.event.*;
import javax.swing.*;import java.sql.*;public class Adddialog extends JFrame {public static final int Width =320;public static final int Heigth =230;Button btn,btn2;JTextField jt,jt2,jt3,jt4,jt5,jt6;/*class MyPanel extends JPanel{Label lb ;MyPanel(String s,JTextField jt){setLayout(new FlowLayout());lb=new Label(s);add(lb);add(jt);}}*/
public Adddialog(){setSize(Width,Heigth);setLocation(820,200);setTitle(new String("增加"));setLayout(new FlowLayout());Container con=getContentPane();jt=new JTextField(20);Label lb=new Label("学号：");jt2=new JTextField(20);Label lb2=new Label("姓名：");jt3=new JTextField(20);Label lb3=new Label("性别：");jt4=new JTextField(20);Label lb4=new Label("年龄：");jt5=new JTextField(20);Label lb5=new Label("班级：");jt6=new JTextField(20);Label lb6=new Label("专业：");btn=new Button("添加");btn.addActionListener(new Enter());btn2=new Button("取消");/*MyPanel p1=new MyPanel("学号：",jt);MyPanel p2=new MyPanel("姓名：",jt2);MyPanel p3=new MyPanel("性别：",jt3);*/add(lb);add(jt);add(lb2);add(jt2);add(lb3);add(jt3);add(lb4);add(jt4);add(lb5);add(jt5);add(lb6);add(jt6);add(btn);add(btn2);}
class Enter implements ActionListener{public void actionPerformed(ActionEvent e){Container con=getContentPane();Adddialog ad= new Adddialog();if(e.getActionCommand().equals("添加")){con.setBackground(Color.green);String sno=jt.getText();String sname=jt2.getText();String ssex=jt3.getText();String sage=jt4.getText();String sclass=jt5.getText();String smajor=jt6.getText();Object str[]={sno,sname,ssex,sage,sclass,smajor};Connection sin=Dbcon.getconnectin();Dbcon.insert(sin, str);JOptionPane.showMessageDialog(null,"添加成功!","操作提示",JOptionPane.NO_OPTION );dispose();}}}}
//添加数据库
package rjgc;import java.sql.*;import javax.swing.JOptionPane;
public class Dbcon {public final static Connection getconnectin(){Connection con=null;String driver = "com.mysql.jdbc.Driver";String url = "jdbc:mysql://localhost:3306/sims?serverTimezone=GMT%2B8";String user = "root";String password = "feng";try{//Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");Class.forName(driver);con=DriverManager.getConnection(url,user,password);con.setCatalog("sims");}catch(SQLException sqle){System.out.println(sqle+"lianjiecuowu");}catch(Exception e){System.out.println(e+"diergecuowu");}return con;
}
//添加数据
public final static void insert(Connection con,Object obj[]){PreparedStatement stmt=null;try {stmt=con.prepareStatement("insert into student(sno,sname,ssex,sage,sclass,smajor) values(?,?,?,?,?,?)");stmt.setString(1,obj[0].toString());stmt.setString(2,obj[1].toString());stmt.setString(3,obj[2].toString());stmt.setString(4,obj[3].toString());stmt.setString(5,obj[4].toString());stmt.setString(6,obj[5].toString());stmt.execute();} catch (SQLException e) {JOptionPane.showMessageDialog(null,"shibai","操作提示",JOptionPane.NO_OPTION );}
}
//查询数据
public final static ResultSet query(Connection con){ResultSet rs=null;PreparedStatement stmt=null;try {stmt=con.prepareStatement("select * from student");rs=stmt.executeQuery();//stmt.close();//con.close();} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}return rs;
}
//删除数据
public final static void delete(Connection con,String s){try {PreparedStatement stmt;stmt=con.prepareStatement("delete from student where sno=?");stmt.setObject(1,s);stmt.execute();} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}finally{}
}}//修改子界面
package rjgc;import java.awt.*;
import java.awt.event.*;
import javax.swing.*;import java.sql.*;public class Tianjiadialog extends JFrame {public static final int Width =320;public static final int Heigth =230;Button btn,btn2;JTextField jt,jt2,jt3,jt4,jt5,jt6;/*class MyPanel extends JPanel{Label lb ;MyPanel(String s,JTextField jt){setLayout(new FlowLayout());lb=new Label(s);add(lb);add(jt);}}*/
public Tianjiadialog(){setSize(Width,Heigth);setLocation(820,200);setTitle(new String("请输入新的信息："));setLayout(new FlowLayout());jt=new JTextField(20);Label lb=new Label("学号：");jt2=new JTextField(20);Label lb2=new Label("姓名：");jt3=new JTextField(20);Label lb3=new Label("性别：");jt4=new JTextField(20);Label lb4=new Label("年龄：");jt5=new JTextField(20);Label lb5=new Label("班级：");jt6=new JTextField(20);Label lb6=new Label("专业：");btn=new Button("修改");btn.addActionListener(new Enter());btn2=new Button("取消");/*MyPanel p1=new MyPanel("学号：",jt);MyPanel p2=new MyPanel("姓名：",jt2);MyPanel p3=new MyPanel("性别：",jt3);*/add(lb);add(jt);add(lb2);add(jt2);add(lb3);add(jt3);add(lb4);add(jt4);add(lb5);add(jt5);add(lb6);add(jt6);add(btn);add(btn2);}
class Enter implements ActionListener{public void actionPerformed(ActionEvent e){Container con=getContentPane();if(e.getActionCommand().equals("修改")){con.setBackground(Color.blue);String sno=jt.getText();String sname=jt2.getText();String ssex=jt3.getText();String sage=jt4.getText();String sclass=jt5.getText();String smajor=jt6.getText();Object str[]={sno,sname,ssex,sage,sclass,smajor};Connection sin=Dbcon.getconnectin();Dbcon.insert(sin, str);JOptionPane.showMessageDialog(null,"修改成功!","操作提示",JOptionPane.NO_OPTION );dispose();}}}
}
//修改数据库
package rjgc;import java.awt.*;
import java.awt.event.*;
import javax.swing.*;import java.sql.*;public class Alterdialog extends JFrame {public static final int Width =320;public static final int Heigth =230;Button btn,btn2;JTextField jt,jt2,jt3;/*class MyPanel extends JPanel{Label lb ;MyPanel(String s,JTextField jt){setLayout(new FlowLayout());lb=new Label(s);add(lb);add(jt);}}*/
public Alterdialog(){setSize(Width,Heigth);setLocation(820,200);setTitle(new String("修改："));setLayout(new FlowLayout());Container con=getContentPane();jt=new JTextField(20);Label lb=new Label("学号：");btn=new Button("确定");btn.addActionListener(new Enter());btn2=new Button("取消");/*MyPanel p1=new MyPanel("学号：",jt);MyPanel p2=new MyPanel("姓名：",jt2);MyPanel p3=new MyPanel("性别：",jt3);*/add(lb);add(jt);//add(lb2);add(jt2);add(lb3);add(jt3);add(btn);add(btn2);}
class Enter implements ActionListener{public void actionPerformed(ActionEvent e){Container con=getContentPane();if(e.getActionCommand().equals("确定")){con.setBackground(Color.red);Connection sin=Dbcon.getconnectin();String sno=jt.getText();try {PreparedStatement stmt;stmt=sin.prepareStatement("delete from student where sno=?");stmt.setObject(1,sno);stmt.execute();} catch (SQLException h) {// TODO Auto-generated catch blockh.printStackTrace();}dispose();Tianjiadialog tg=new Tianjiadialog();tg.show();}}}}
4.3.5删除
package rjgc;import java.awt.*;
import java.awt.event.*;
import javax.swing.*;import java.sql.*;public class Deletedialog extends JFrame {public static final int Width =320;public static final int Heigth =230;Button btn,btn2;JTextField jt,jt2,jt3;/*class MyPanel extends JPanel{Label lb ;MyPanel(String s,JTextField jt){setLayout(new FlowLayout());lb=new Label(s);add(lb);add(jt);}}*/
public Deletedialog(){setSize(Width,Heigth);setLocation(820,200);setTitle(new String("删除："));setLayout(new FlowLayout());Container con=getContentPane();jt=new JTextField(20);Label lb=new Label("学号：");/*jt2=new JTextField(20);Label lb2=new Label("姓名：");jt3=new JTextField(20);Label lb3=new Label("性别：");*/btn=new Button("确定");btn.addActionListener(new Enter());btn2=new Button("取消");/*MyPanel p1=new MyPanel("学号：",jt);MyPanel p2=new MyPanel("姓名：",jt2);MyPanel p3=new MyPanel("性别：",jt3);*/add(lb);add(jt);//add(lb2);add(jt2);add(lb3);add(jt3);add(btn);add(btn2);}
class Enter implements ActionListener{public void actionPerformed(ActionEvent e){Container con=getContentPane();if(e.getActionCommand().equals("确定")){con.setBackground(Color.red);String sno=jt.getText();Connection sin=Dbcon.getconnectin();Dbcon.delete(sin, sno);JOptionPane.showMessageDialog(null,"信息删除成功!","信息",JOptionPane.INFORMATION_MESSAGE );dispose();}}}}//查询
package rjgc;import java.awt.*;
import java.awt.event.*;
import javax.swing.*;import java.sql.*;public class Cxdialog extends JFrame {public static final int Width =320;public static final int Heigth =230;Button btn,btn2;JTextField jt,jt2,jt3;/*class MyPanel extends JPanel{Label lb ;MyPanel(String s,JTextField jt){setLayout(new FlowLayout());lb=new Label(s);add(lb);add(jt);}}*/
public Cxdialog(){setSize(Width,Heigth);setLocation(820,200);setTitle(new String("查询："));setLayout(new FlowLayout());Container con=getContentPane();jt=new JTextField(20);Label lb=new Label("学号：");btn=new Button("确定");btn.addActionListener(new Enter());btn2=new Button("取消");/*MyPanel p1=new MyPanel("学号：",jt);MyPanel p2=new MyPanel("姓名：",jt2);MyPanel p3=new MyPanel("性别：",jt3);*/add(lb);add(jt);//add(lb2);add(jt2);add(lb3);add(jt3);add(btn);add(btn2);}
class Enter implements ActionListener{public void actionPerformed(ActionEvent e){Container con=getContentPane();if(e.getActionCommand().equals("确定")){con.setBackground(Color.red);Connection sin=Dbcon.getconnectin();String sno=jt.getText();ResultSet rs=null;PreparedStatement stmt=null;try {stmt=sin.prepareStatement("select * from student where sno=?");stmt.setObject(1,sno);rs=stmt.executeQuery();while(rs.next()){String msg=rs.getString("sno")+"\t"+rs.getString("sname")+"\t"+rs.getString("ssex")+"\t"+rs.getString("sage")+"\t"+rs.getString("sclass")+"\t"+rs.getString("smajor")+"\n";JOptionPane.showMessageDialog(null,msg,"查询结果：",JOptionPane.NO_OPTION );}//stmt.close();//con.close();} catch (SQLException h) {// TODO Auto-generated catch blockh.printStackTrace();}}dispose();}}}

部分程序运行截图

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