e_bankselect.java

简单的电子银行系统主要实现取钱存钱转账 系统很简单请大家帮我看看啊也可以给点意见是和数据库连接的

package e_BankSystem_Data;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.*;
import javax.swing.border.*;

public class E_BankSelect implements ActionListener {

		private JFrame f;
		private JPanel cp;
		private JLabel lab1,lab3;
		private JButton btn;
		
		public E_BankSelect(String a){
			init();
			lab3.setText(a);
		}
		

		private void init() 
		{	
			f=new JFrame("电子银行系统-查询");
			cp=new JPanel();
			lab1=new JLabel("您的账号所剩余额：");
			btn=new JButton("关闭");
			lab3=new JLabel("1000000.00");
			
			cp.add(lab1);
			cp.add(lab3);
			cp.add(btn);
			
			f.add(cp);
			f.addWindowListener(new WindowAdapter(){
		     	 public void windowClosing(WindowEvent e){
		     	   f.setVisible(false);	
		     	 }
		     });
			btn.addActionListener(this);
			
			lab1.setFont(new Font("楷体_GB2312",Font.TRUETYPE_FONT,18));
			lab3.setFont(new Font("楷体_GB2312",Font.TRUETYPE_FONT,18));
			lab1.setBounds(20, 40, 180, 50);
			btn.setBounds(230, 135, 60, 30);
			lab3.setBounds(185, 50, 140, 30);
			lab3.setBorder(new TitledBorder(""));
			lab3.setVisible(true);
			
			cp.setBorder(new TitledBorder("网上电子银行-查询"));
			cp.setLayout(null);			
			cp.setSize(350, 200);
			cp.setLocation(130, 90);
			cp.setVisible(true);	
			
			f.setLayout(null);
			//f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
			f.setSize(600, 500);
			f.setLocation(350, 150);
			f.setVisible(true);
		}

		public void actionPerformed(ActionEvent e) {
			f.setVisible(false);			
		}
		
		


}