Java课设：火车售票系统（代码）
2024-06-01 13:38:17
文章目录
- 登陆界面Access.java
- 注册Register.java
- 注册界面RegisterFrame.java
- 查找主界面FindMain.java
- 输入起点终点查找车次Find1.java
- 输入车次号查找车次Find2.java
- 输入车次号查找的界面Find2Frame.java
- 购票Purchase.java
- 购票界面PurchaseFrame.java
- 显示已购买的车票Ticket.java
- 退票Delete.java
- 退票界面DeleteFrame.java
相关请查看另一博客注意事项。
如果有一些问题的话可能之后会改进，也会适当增加一些功能。
登陆界面Access.java
package TraSystem;import java.awt.EventQueue;import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JLabel;
import javax.swing.JOptionPane;import java.awt.Font;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.awt.event.ActionEvent;
import javax.swing.JPasswordField;public class Access extends JFrame {/*** */private static final long serialVersionUID = 1L;private JPanel contentPane;private JTextField textField;private JPasswordField passwordField;/*** Launch the application.*/public static void main(String[] args) {EventQueue.invokeLater(new Runnable() {public void run() {try {Access frame = new Access();frame.setVisible(true);} catch (Exception e) {e.printStackTrace();}}});}/*** Create the frame.*/public Access() {setTitle("\u6B22\u8FCE\u4F7F\u7528\u706B\u8F66\u552E\u7968\u7CFB\u7EDF\uFF01");setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);setBounds(600, 300, 450, 340);contentPane = new JPanel();contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));setContentPane(contentPane);JLabel label = new JLabel("\u7528\u6237\u767B\u5F55");label.setFont(new Font("微软雅黑", Font.BOLD, 30));JLabel lblNewLabel = new JLabel("\u7528\u6237\u540D");JLabel lblNewLabel_1 = new JLabel("\u5BC6\u7801");textField = new JTextField();textField.setColumns(10);passwordField = new JPasswordField();JButton btnNewButton = new JButton("\u767B\u9646");btnNewButton.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {String user=textField.getText();String pass=new String(passwordField.getPassword());try{boolean com=compareWithSql(user,pass);if(com){JOptionPane.showMessageDialog(null, "登录成功！");FindMain t1=new FindMain(user);t1.setVisible(true);dispose();}else{JOptionPane.showMessageDialog(null, "登录失败！");}}catch(Exception e1){e1.printStackTrace();}}});btnNewButton.setFont(new Font("微软雅黑", Font.BOLD, 15));JButton button = new JButton("\u6CE8\u518C");button.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent arg0) {RegisterFrame r=new RegisterFrame();r.setVisible(true);}});button.setFont(new Font("微软雅黑", Font.BOLD, 15));GroupLayout gl_contentPane = new GroupLayout(contentPane);gl_contentPane.setHorizontalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGap(54).addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addComponent(lblNewLabel).addComponent(lblNewLabel_1)).addGap(23).addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING, false).addComponent(passwordField).addComponent(textField, GroupLayout.DEFAULT_SIZE, 165, Short.MAX_VALUE).addComponent(btnNewButton).addComponent(button, Alignment.TRAILING))).addGroup(gl_contentPane.createSequentialGroup().addGap(143).addComponent(label))).addContainerGap(135, Short.MAX_VALUE)));gl_contentPane.setVerticalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGap(25).addComponent(label).addGap(26).addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE).addComponent(lblNewLabel).addComponent(textField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)).addGap(55).addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE).addComponent(lblNewLabel_1).addComponent(passwordField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)).addGap(47).addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE).addComponent(btnNewButton).addComponent(button)).addContainerGap()));contentPane.setLayout(gl_contentPane);}
boolean compareWithSql(String accountT,String namesT) throws Exception{String sql; Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");Connection conn=DriverManager.getConnection("jdbc:sqlserver://127.0.0.1:1433;DatabaseName=火车售票系统","sa","w12621058");Statement stmt = conn.createStatement();sql = "select * from 用户信息";ResultSet rs = stmt.executeQuery(sql);while(rs.next()){String acc = rs.getString(1);String names = rs.getString(2);if(acc.equals(accountT) && names.equals(namesT)){return true;}}return false;
}
}
注册Register.java
package TraSystem;import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;import javax.swing.JOptionPane;public class Register {private Connection conn;public Register(String a,String b){try{Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");conn=DriverManager.getConnection("jdbc:sqlserver://127.0.0.1:1433;DatabaseName=火车售票系统","sa","w12621058");String sql="INSERT INTO 用户信息 VALUES('"+a+"','"+b+"')";String sql2="CREATE TABLE "+a+"订购信息(车次号 varchar(10),始发地 varchar(20),目的地 varchar(20),出发时间 varchar(30),PRIMARY KEY(车次号),FOREIGN KEY(车次号)REFERENCES 车次信息(车次号))";Statement stmt=conn.createStatement();stmt.executeUpdate(sql);stmt.executeUpdate(sql2);conn.close();JOptionPane.showMessageDialog(null, "注册成功！");} catch (ClassNotFoundException e) {JOptionPane.showMessageDialog(null, "注册失败！");e.printStackTrace();}catch (SQLException e) {JOptionPane.showMessageDialog(null, "注册失败！");e.printStackTrace();} }}
注册界面RegisterFrame.java
package TraSystem;import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JLabel;
import javax.swing.JOptionPane;import java.awt.Font;
import javax.swing.JTextField;
import javax.swing.LayoutStyle.ComponentPlacement;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;public class RegisterFrame extends JFrame {/*** */private static final long serialVersionUID = 1L;private JPanel contentPane;private JTextField textField;private JTextField textField_1;public RegisterFrame() {setTitle("\u7528\u6237\u6CE8\u518C");setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);setBounds(650, 300, 450, 350);contentPane = new JPanel();contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));setContentPane(contentPane);JLabel label = new JLabel("\u8F93\u5165\u7528\u6237\u540D\uFF08\u6700\u957F10\u4E2A\u5B57\u7B26\uFF09");label.setFont(new Font("微软雅黑", Font.BOLD, 15));JLabel label_1 = new JLabel("\u7528\u6237\u6CE8\u518C");label_1.setFont(new Font("微软雅黑", Font.BOLD, 25));JLabel label_2 = new JLabel("\u8F93\u5165\u5BC6\u7801\uFF08\u6700\u957F10\u4E2A\u5B57\u7B26\uFF09");label_2.setFont(new Font("微软雅黑", Font.BOLD, 15));textField = new JTextField();textField.setColumns(10);textField_1 = new JTextField();textField_1.setColumns(10);JButton button = new JButton("\u6CE8\u518C");button.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {String a=textField.getText();String b=textField_1.getText();if(a.equals("")||b.equals("")){JOptionPane.showMessageDialog(null, "请输入信息！");}else{new Register(a,b);dispose();}}});button.setFont(new Font("微软雅黑", Font.BOLD, 15));GroupLayout gl_contentPane = new GroupLayout(contentPane);gl_contentPane.setHorizontalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGap(152).addComponent(label_1)).addGroup(gl_contentPane.createSequentialGroup().addContainerGap().addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addComponent(label).addComponent(label_2)).addGap(18).addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addComponent(textField_1, GroupLayout.PREFERRED_SIZE, 149, GroupLayout.PREFERRED_SIZE).addComponent(textField, 148, 148, 148)))).addContainerGap(43, GroupLayout.PREFERRED_SIZE)).addGroup(gl_contentPane.createSequentialGroup().addGap(173).addComponent(button).addContainerGap(186, Short.MAX_VALUE)));gl_contentPane.setVerticalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGap(33).addComponent(label_1).addGap(41).addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING).addComponent(label).addComponent(textField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)).addGap(56).addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE).addComponent(label_2).addComponent(textField_1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)).addPreferredGap(ComponentPlacement.RELATED, 43, Short.MAX_VALUE).addComponent(button).addContainerGap()));contentPane.setLayout(gl_contentPane);}}
查找主界面FindMain.java
package TraSystem;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JLabel;
import java.awt.Font;
import javax.swing.JTextField;
import javax.swing.LayoutStyle.ComponentPlacement;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;public class FindMain extends JFrame {/*** */private static final long serialVersionUID = 1L;private JPanel contentPane;private JTextField textField;private JTextField textField_1;public FindMain(String user) {setTitle("\u706B\u8F66\u552E\u7968\u7CFB\u7EDF");setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);setBounds(600, 300, 450, 300);JMenuBar menuBar = new JMenuBar();setJMenuBar(menuBar);JMenu menu = new JMenu("\u7528\u6237\u4FE1\u606F");menuBar.add(menu);JMenuItem menuItem = new JMenuItem("\u5DF2\u8D2D\u8F66\u7968");menuItem.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {new Ticket(user);}});menu.add(menuItem);JMenuItem menuItem_1 = new JMenuItem("\u9000\u7968\u7CFB\u7EDF");menuItem_1.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {DeleteFrame d1=new DeleteFrame(user);d1.setVisible(true);}});menu.add(menuItem_1);JMenuItem menuItem_2 = new JMenuItem("\u6CE8\u9500");menuItem_2.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {JOptionPane.showMessageDialog(null, "注销成功！");dispose();Access frame = new Access();frame.setVisible(true);}});menu.add(menuItem_2);contentPane = new JPanel();contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));setContentPane(contentPane);JLabel lblNewLabel = new JLabel("\u8F66\u6B21\u67E5\u8BE2");lblNewLabel.setFont(new Font("黑体", Font.BOLD, 30));textField = new JTextField();textField.setColumns(10);textField_1 = new JTextField();textField_1.setColumns(10);JButton button = new JButton("\u5F00\u59CB\u67E5\u8BE2");button.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {String sfd=textField.getText();String mdd=textField_1.getText();new Find1(sfd,mdd,user);}});button.setFont(new Font("微软雅黑", Font.BOLD, 15));JLabel label = new JLabel("\u59CB\u53D1\u5730");JLabel label_1 = new JLabel("\u76EE\u7684\u5730");JButton button_1 = new JButton("\u7279\u5B9A\u8F66\u6B21\u53F7\u67E5\u8BE2");button_1.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent arg0) {Find2Frame b=new Find2Frame(user);b.setVisible(true);}});button_1.setFont(new Font("微软雅黑", Font.BOLD, 15));GroupLayout gl_contentPane = new GroupLayout(contentPane);gl_contentPane.setHorizontalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGap(142).addComponent(lblNewLabel).addGap(152)).addGroup(gl_contentPane.createSequentialGroup().addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGap(36).addComponent(textField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)).addGroup(gl_contentPane.createSequentialGroup().addGap(53).addComponent(label))).addPreferredGap(ComponentPlacement.RELATED, 165, Short.MAX_VALUE).addGroup(gl_contentPane.createParallelGroup(Alignment.TRAILING).addGroup(gl_contentPane.createSequentialGroup().addComponent(textField_1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE).addGap(49)).addGroup(gl_contentPane.createSequentialGroup().addComponent(label_1).addGap(81)))).addGroup(gl_contentPane.createSequentialGroup().addGap(75).addComponent(button).addGap(53).addComponent(button_1).addContainerGap(88, Short.MAX_VALUE)));gl_contentPane.setVerticalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addComponent(lblNewLabel, GroupLayout.PREFERRED_SIZE, 43, GroupLayout.PREFERRED_SIZE).addGap(35).addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE).addComponent(label).addComponent(label_1)).addGap(18).addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE).addComponent(textField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE).addComponent(textField_1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)).addPreferredGap(ComponentPlacement.RELATED, 37, Short.MAX_VALUE).addGroup(gl_contentPane.createParallelGroup(Alignment.BASELINE).addComponent(button_1).addComponent(button)).addContainerGap()));contentPane.setLayout(gl_contentPane);}
}
输入起点终点查找车次Find1.java
package TraSystem;
import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import javax.swing.table.DefaultTableModel;public class Find1 extends JFrame{/*** */private static final long serialVersionUID = 1L;JTable table=new JTable();private Connection conn;public Find1(String sfd,String mdd,String user){JPanel contentPane = new JPanel();contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));contentPane.setLayout(new BorderLayout(0, 0));setContentPane(contentPane);JButton button = new JButton("\u8D2D\u7968");button.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent arg0) {PurchaseFrame pf=new PurchaseFrame(user);pf.setVisible(true);}});button.setFont(new Font("微软雅黑", Font.BOLD, 15));contentPane.add(button, BorderLayout.SOUTH);this.setBounds(650,300,800,200);this.setTitle("车次信息");this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);try{Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");conn=DriverManager.getConnection("jdbc:sqlserver://127.0.0.1:1433;DatabaseName=火车售票系统","sa","w12621058");table=query(sfd,mdd);} catch(Exception e){e.printStackTrace();}this.getContentPane().add(new JScrollPane(table));this.setVisible(true);try{conn.close();}catch(Exception e){e.printStackTrace();}}public JTable query(String start,String end) throws SQLException{DefaultTableModel tbmode=new DefaultTableModel();String sql="SELECT * FROM 车次信息 WHERE 始发地='"+start+"' AND 目的地='"+end+"'";try{Statement Stmt=conn.createStatement();ResultSet rs= Stmt.executeQuery(sql);ResultSetMetaData meta=rs.getMetaData();int colcount=meta.getColumnCount();for(int i=1;i<=colcount;i++)tbmode.addColumn(meta.getColumnName(i));Object[]col=new Object[colcount];while(rs.next()){for(int j=1;j<=col.length;j++)col[j-1]=rs.getString(j);tbmode.addRow(col);}rs.close();Stmt.close();}catch(Exception e){e.printStackTrace();} return new JTable(tbmode);}
}
输入车次号查找车次Find2.java
package TraSystem;import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.border.EmptyBorder;
import javax.swing.table.DefaultTableModel;public class Find2 extends JFrame{/*** */private static final long serialVersionUID = 1L;JTable table=new JTable();private Connection conn;public Find2(String a,String user){JPanel contentPane = new JPanel();contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));contentPane.setLayout(new BorderLayout(0, 0));setContentPane(contentPane);JButton button = new JButton("\u8D2D\u7968");button.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent arg0) {PurchaseFrame pf=new PurchaseFrame(user);pf.setVisible(true);}});button.setFont(new Font("微软雅黑", Font.BOLD, 15));contentPane.add(button, BorderLayout.SOUTH);this.setBounds(650,300,800,200);this.setTitle("车次信息");this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);try{Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");conn=DriverManager.getConnection("jdbc:sqlserver://127.0.0.1:1433;DatabaseName=火车售票系统","sa","w12621058");table=query2(a);} catch(Exception e){e.printStackTrace();}this.getContentPane().add(new JScrollPane(table));this.setVisible(true);try{conn.close();}catch(Exception e){e.printStackTrace();}}public JTable query2(String a) throws SQLException{DefaultTableModel tbmode=new DefaultTableModel();String sql="SELECT * FROM 车次信息 WHERE 车次号='"+a+"'";try{Statement Stmt=conn.createStatement();ResultSet rs= Stmt.executeQuery(sql);ResultSetMetaData meta=rs.getMetaData();int colcount=meta.getColumnCount();for(int i=1;i<=colcount;i++)tbmode.addColumn(meta.getColumnName(i));Object[]col=new Object[colcount];while(rs.next()){for(int j=1;j<=col.length;j++)col[j-1]=rs.getString(j);tbmode.addRow(col);}rs.close();Stmt.close();}catch(Exception e){e.printStackTrace();} return new JTable(tbmode);}
}
输入车次号查找的界面Find2Frame.java
package TraSystem;import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JLabel;
import java.awt.Font;
import java.awt.Color;
import javax.swing.JTextField;
import javax.swing.LayoutStyle.ComponentPlacement;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;public class Find2Frame extends JFrame {/*** */private static final long serialVersionUID = 1L;private JPanel contentPane;private JTextField textField;public Find2Frame(String user) {setTitle("\u8F66\u6B21\u67E5\u8BE2");setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);setBounds(650, 300, 450, 300);contentPane = new JPanel();contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));setContentPane(contentPane);JLabel label = new JLabel("\u76F4\u63A5\u8F93\u5165\u9700\u8981\u67E5\u8BE2\u7684\u8F66\u6B21\u53F7");label.setForeground(Color.BLUE);label.setFont(new Font("微软雅黑", Font.BOLD, 25));textField = new JTextField();textField.setColumns(10);JButton button = new JButton("\u67E5\u8BE2");button.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent arg0) {String a=textField.getText();new Find2(a,user);}});button.setFont(new Font("微软雅黑", Font.BOLD, 15));GroupLayout gl_contentPane = new GroupLayout(contentPane);gl_contentPane.setHorizontalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGap(115).addComponent(textField, GroupLayout.PREFERRED_SIZE, 168, GroupLayout.PREFERRED_SIZE)).addGroup(gl_contentPane.createSequentialGroup().addGap(174).addComponent(button)).addGroup(gl_contentPane.createSequentialGroup().addGap(61).addComponent(label))).addContainerGap(61, Short.MAX_VALUE)));gl_contentPane.setVerticalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGap(39).addComponent(label).addGap(53).addComponent(textField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE).addPreferredGap(ComponentPlacement.RELATED, 51, Short.MAX_VALUE).addComponent(button).addContainerGap()));contentPane.setLayout(gl_contentPane);}
}
购票Purchase.java
package TraSystem;import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;import javax.swing.JOptionPane;public class Purchase {private Connection conn;public Purchase(String a,String user){try{Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");conn=DriverManager.getConnection("jdbc:sqlserver://127.0.0.1:1433;DatabaseName=火车售票系统","sa","w12621058");String sql="insert into "+user+"订购信息 select 车次号,始发地,目的地,出发时间 from 车次信息 where 车次号='"+a+"' group by 车次号,始发地,目的地,出发时间"; String sql2="update 车次信息 set 剩余票数=剩余票数-1 where 车次号='"+a+"'"; //更新车次信息java.sql.Statement stmt=conn.createStatement();stmt.executeUpdate(sql);stmt.executeUpdate(sql2);conn.close();JOptionPane.showMessageDialog(null, "购票成功！");} catch (ClassNotFoundException e) {JOptionPane.showMessageDialog(null, "购票失败！");e.printStackTrace();}catch (SQLException e) {JOptionPane.showMessageDialog(null, "购票失败！");e.printStackTrace();} }
}
购票界面PurchaseFrame.java
package TraSystem;import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JLabel;
import java.awt.Font;
import java.awt.Color;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.LayoutStyle.ComponentPlacement;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;public class PurchaseFrame extends JFrame {/*** */private static final long serialVersionUID = 1L;private JPanel contentPane;private JTextField textField;/*** Create the frame.*/public PurchaseFrame(String user) {setTitle("\u8D2D\u4E70");setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);setBounds(650, 300, 450, 300);contentPane = new JPanel();contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));setContentPane(contentPane);JLabel label = new JLabel("\u8F93\u5165\u60A8\u8981\u8D2D\u4E70\u7684\u8F66\u6B21\u53F7");label.setForeground(Color.BLUE);label.setFont(new Font("微软雅黑", Font.BOLD, 30));textField = new JTextField();textField.setColumns(10);JButton button = new JButton("\u8D2D\u7968");button.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {String a=textField.getText();new Purchase(a,user);}});button.setForeground(Color.BLUE);button.setFont(new Font("微软雅黑", Font.BOLD, 15));GroupLayout gl_contentPane = new GroupLayout(contentPane);gl_contentPane.setHorizontalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGap(176).addComponent(button)).addGroup(gl_contentPane.createSequentialGroup().addGap(104).addComponent(textField, GroupLayout.PREFERRED_SIZE, 205, GroupLayout.PREFERRED_SIZE)).addGroup(gl_contentPane.createSequentialGroup().addGap(61).addComponent(label))).addContainerGap(61, Short.MAX_VALUE)));gl_contentPane.setVerticalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGap(32).addComponent(label).addGap(52).addComponent(textField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE).addPreferredGap(ComponentPlacement.RELATED, 53, Short.MAX_VALUE).addComponent(button).addContainerGap()));contentPane.setLayout(gl_contentPane);}
}
显示已购买的车票Ticket.java
package TraSystem;
import java.awt.BorderLayout;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import javax.swing.table.DefaultTableModel;public class Ticket extends JFrame{/*** */private static final long serialVersionUID = 1L;JTable table=new JTable();private Connection conn;public Ticket(String user){JPanel contentPane = new JPanel();contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));contentPane.setLayout(new BorderLayout(0, 0));setContentPane(contentPane);this.setBounds(600,300,800,300);this.setTitle("已购车次");this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);try{Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");conn=DriverManager.getConnection("jdbc:sqlserver://127.0.0.1:1433;DatabaseName=火车售票系统","sa","w12621058");table=query(user);} catch(Exception e){e.printStackTrace();}this.getContentPane().add(new JScrollPane(table));this.setVisible(true);try{conn.close();}catch(Exception e){e.printStackTrace();}}public JTable query(String user) throws SQLException{DefaultTableModel tbmode=new DefaultTableModel();String sql="SELECT * FROM "+user+"订购信息";try{Statement Stmt=conn.createStatement();ResultSet rs= Stmt.executeQuery(sql);ResultSetMetaData meta=rs.getMetaData();int colcount=4;for(int i=1;i<=colcount;i++)tbmode.addColumn(meta.getColumnName(i));Object[]col=new Object[colcount];while(rs.next()){for(int j=1;j<=col.length;j++)col[j-1]=rs.getString(j);tbmode.addRow(col);}rs.close();Stmt.close();}catch(Exception e){e.printStackTrace();} return new JTable(tbmode);}
}
退票Delete.java
package TraSystem;import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;import javax.swing.JOptionPane;public class Delete {private Connection conn;public Delete(String a,String user){try{Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");conn=DriverManager.getConnection("jdbc:sqlserver://127.0.0.1:1433;DatabaseName=火车售票系统","sa","w12621058");String sql="delete from "+user+"订购信息 where 车次号='"+a+"'"; String sql2="update 车次信息 set 剩余票数=剩余票数+1 where 车次号='"+a+"'"; //更新车次信息Statement stmt=conn.createStatement();stmt.executeUpdate(sql);stmt.executeUpdate(sql2);conn.close();JOptionPane.showMessageDialog(null, "退票成功！");} catch (ClassNotFoundException e) {JOptionPane.showMessageDialog(null, "退票失败！");e.printStackTrace();}catch (SQLException e) {JOptionPane.showMessageDialog(null, "退票失败！");e.printStackTrace();} }}
退票界面DeleteFrame.java
package TraSystem;import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JLabel;
import java.awt.Font;
import java.awt.Color;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.LayoutStyle.ComponentPlacement;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;public class DeleteFrame extends JFrame {/*** */private static final long serialVersionUID = 1L;private JPanel contentPane;private JTextField textField;public DeleteFrame(String user) {setTitle("\u9000\u7968\u7CFB\u7EDF");setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);setBounds(650, 300, 450, 300);contentPane = new JPanel();contentPane.setForeground(Color.BLUE);contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));setContentPane(contentPane);JLabel label = new JLabel("\u8F93\u5165\u60A8\u8981\u9000\u7968\u7684\u8F66\u6B21\u53F7");label.setForeground(Color.BLUE);label.setFont(new Font("微软雅黑", Font.BOLD, 30));textField = new JTextField();textField.setColumns(10);JButton btnNewButton = new JButton("\u9000\u7968");btnNewButton.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {String a=textField.getText();new Delete(a,user);}});btnNewButton.setFont(new Font("微软雅黑", Font.BOLD, 15));btnNewButton.setForeground(Color.BLUE);GroupLayout gl_contentPane = new GroupLayout(contentPane);gl_contentPane.setHorizontalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(Alignment.TRAILING, gl_contentPane.createSequentialGroup().addContainerGap(109, Short.MAX_VALUE).addComponent(textField, GroupLayout.PREFERRED_SIZE, 211, GroupLayout.PREFERRED_SIZE).addGap(102)).addGroup(gl_contentPane.createSequentialGroup().addGap(177).addComponent(btnNewButton).addContainerGap(182, Short.MAX_VALUE)).addGroup(gl_contentPane.createSequentialGroup().addGap(61).addComponent(label).addContainerGap(61, Short.MAX_VALUE)));gl_contentPane.setVerticalGroup(gl_contentPane.createParallelGroup(Alignment.LEADING).addGroup(gl_contentPane.createSequentialGroup().addGap(29).addComponent(label).addGap(55).addComponent(textField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE).addPreferredGap(ComponentPlacement.RELATED, 53, Short.MAX_VALUE).addComponent(btnNewButton).addContainerGap()));contentPane.setLayout(gl_contentPane);}}
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