Java银行管理系统代码+mysql+uml

package xxx; //import xxx.Withdraw.BHandler; import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.sql.Connection; import java.sql.DriverManager; import java.sql.Statement; public class Menu extends JFrame { static JFrame z=new JFrame("银行管理系统"); public Menu(){ z.setDefaultCloseOperation(WindowConstants.HIDE_ON_CLOSE); z.setBounds(200,100,700,600); z.setVisible(true); z.setResizable(false); z.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);//窗口不能关闭 Container c=getContentPane(); c.setLayout(null); c.setBackground(Color.pink); z.add(c); JLabel label1=new JLabel("个人账户"); JLabel label2=new JLabel("请选择您的业务"); label1.setFont(new Font("Serif",Font.BOLD,40)); label1.setForeground(Color.WHITE); label2.setFont(new Font("Serif",Font.BOLD,35)); label2.setForeground(Color.WHITE); JButton button1=new JButton("取 款"); JButton button2=new JButton("修改密码"); JButton button3=new JButton("存 款"); JButton button4=new JButton("显示余额"); JButton button5=new JButton("转 账"); JButton button6=new JButton("查询修改"); JButton button7=new JButton("退 出"); JButton button8=new JButton("注 销"); JButton button9=new JButton("交易明细"); BHandler h=new BHandler(); button1.addActionListener(h); button2.addActionListener(h); button3.addActionListener(h); button4.addActionListener(h); button5.addActionListener(h); button6.addActionListener(h); button7.addActionListener(h); button8.addActionListener(h); button9.addActionListener(h); JPanel p1=new JPanel(); JPanel p2=new JPanel(); JPanel p3=new JPanel(); JPanel p4=new JPanel(); JPanel p5=new JPanel(); JPanel p6=new JPanel(); JPanel p7=new JPanel(); JPanel p8=new JPanel(); JPanel p9=new JPanel(); JPanel p10=new JPanel(); p1.setBounds(0,0,700,70); p1.setBackground(Color.pink); p1.add(label1); p2.setBounds(0,70,350,100); p2.setBackground(Color.pink); p2.add(label2); p3.setBounds(0,170,200,80); p3.setBackground(Color.pink); p3.add(button1); p4.setBounds(500,170,200,80); p4.setBackground(Color.pink); p4.add(button2); p5.setBounds(0,250,200,80); p5.setBackground(Color.pink); p5.add(button3); p6.setBounds(500,250,200,80); p6.setBackground(Color.pink); p6.add(button4); p7.setBounds(0,330,200,80); p7.setBackground(Color.pink); p7.add(button5); p8.setBounds(500,330,200,150); p8.setBackground(Color.pink); p8.add(button6); p9.setBounds(0,480,700,50); p9.setBackground(Color.pink); p9.add(button7); p9.add(button8); p10.setBounds(250,250,200,80); p10.setBackground(Color.pink); p10.add(button9); c.add(p1); c.add(p2); c.add(p3); c.add(p4); c.add(p5); c.add(p6); c.add(p7); c.add(p8); c.add(p9); c.add(p10); z.setVisible(true); } public static void close(){ HomePage.weiyi=false; z.dispose(); } public static int delete(String id){ long a=Display.getBalance(); if(a==0){ try{ Class.forName("com.mysql.jdbc.Driver"); Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bank","root",""); Statement stmt=conn.createStatement(); String sql="delete from user where card_no='"+id+"'"; stmt.executeUpdate(sql); stmt.close(); conn.close(); return 1; } catch(Exception sqle){ System.err.println(sqle); return 3; } } else return 2; } public class BHandler implements ActionListener { public void actionPerformed (ActionEvent event) { if(event.getActionCommand()=="取 款") new Withdraw(z,"取款业务"); else if(event.getActionCommand()=="修改密码") new ModifyPassword(z,"修改密码"); else if(event.getActionCommand()=="存 款") new Deposit(z,"存款业务"); else if(event.getActionCommand()=="显示余额") new Display(z,"显示余额"); else if(event.getActionCommand()=="转 账") new Transfer(z,"转账业务"); else if(event.getActionCommand()=="查询修改") new SelectModify(z,"查询修改"); else if(event.getActionCommand()=="交易明细") new TransactionDetails(z,"交易明细"); else if(event.getActionCommand()=="退 出"){ HomePage.weiyi=false; z.dispose(); } else if(event.getActionCommand()=="注 销"){ int b=Menu.delete(HomePage.card_id.getText()); if(b==1){ HomePage.weiyi=false; JOptionPane.showMessageDialog(Menu.this,"注销成功！"); z.dispose(); } else if(b==2) JOptionPane.showMessageDialog(Menu.this,"请取出剩余的钱在注销！"); else JOptionPane.showMessageDialog(Menu.this,"出错！"); } } } }