changmima.java

java 银行系统 初级水平 可用于走投无路时的参考

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.io.*;

public class Changmima extends JFrame{
 Label a2,a1,a3;
 TextField txt1,txt2;
 Button b1,b2,b3;
 Frame d;
 String j,k;
public  Changmima (){

this.setSize(400,300);
d=new Frame();
d.setTitle("修改密码失败");
d.setSize(300,300);
b3=new Button("确定");
a3=new Label("你前后输入的密码不相同!");
d.setLayout(new FlowLayout());
d.add(a3);
b3.addActionListener(new ActionListener(){
             public void actionPerformed(ActionEvent e){
              d.dispose();}});
d.add(b3);


setTitle ("修改密码界面");

setLayout(null);


a1=new Label("请输入你的新密码:");
a1.setBounds(new Rectangle(108,2,98,37));
add(a1);



txt1=new TextField(8);
txt1.setBounds(new Rectangle(108,39,180,30));
add(txt1);

a2=new Label("请再次输入你的新密码:");
a2.setBounds(new Rectangle(108,76,180,37));
add(a2);


txt2=new TextField(8);
txt2.setBounds(new Rectangle(108,113,180,30));
add(txt2);

j=new String();
k=new String();
b1=new Button("确定");
b1.setBounds(new Rectangle(78,220,86,30));

b1.addActionListener(new ActionListener(){
             public void actionPerformed(ActionEvent e){
              j=txt1.getText();
               k=txt2.getText();
             if(j.compareTo(k)==0){
              txt1.setText("");
               txt2.setText("");
            dispose();}
            else {txt1.setText("");
               txt2.setText("");d.show();}
       }});
            
add(b1);





b2=new Button("取消");
b2.setBounds(new Rectangle(193,220,86,30));
b2.addActionListener(new ActionListener(){
             public void actionPerformed(ActionEvent e){
              txt1.setText("");txt2.setText("");}});
add(b2);
}







}