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package com.bj;
import javax.swing.*;
import java.awt.*;
public class Login extends JFrame {
//组件
JPanel jp1,jp2,jp3;
JButton jb1,jb2;
JLabel jlb1,jlb2;
JTextField jtfl;
JPasswordField jpfl;
public static void main(String[] args) {
// TODO Auto-generated method stub
Login l=new Login();
}
public Login(){
//组件
jp1=new JPanel();
jp2=new JPanel();
jp3=new JPanel();
jlb1=new JLabel("用户名");
jlb2=new JLabel("密 码");
jtfl=new JTextField(10);
jpfl=new JPasswordField(10);
jb1=new JButton("登录");
jb2=new JButton("注册");
//设置JPanel布局
//jp1.setLayout(new FlowLayout());
this.setLayout(new GridLayout(3,1));
//添加组件
jp1.add(jlb1);
jp1.add(jtfl);
jp2.add(jlb2);
jp2.add(jpfl);
jp3.add(jb1);
jp3.add(jb2);
this.add(jp1);
this.add(jp2);
this.add(jp3);
this.setSize(200,160);
this.setLocation(200,200);
this.setTitle("Login");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
}
}