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/*

*

* 用户登录界面

*/

package gui;

import java.awt.*;

import javax.swing.*;

public class Demo6 extends JFrame {

JPanel jp1,jp2,jp3;//定义容器组件

JLabel jlb1,jlb2;//标签组件

JButton jb1,jb2;//按钮组件

JTextField jt1;//文本框组件

JPasswordField jpd;//密码框组件

public static void main(String[] args)

{

Demo6 d=new Demo6();

}

public Demo6()

{

//创建组件

jp1=new JPanel();

jp2=new JPanel();

jp3=new JPanel();

jlb1=new JLabel("用户名");

jlb2=new JLabel("密 码");

jb1=new JButton("登录");

jb2=new JButton("注册");

jt1=new JTextField(10);

jpd=new JPasswordField(10);

//设置布局管理器

this.setLayout(new GridLayout(3,1));

//把非容器组件添加到JPanel组件中

jp1.add(jlb1);

jp1.add(jt1);

jp2.add(jlb2);

jp2.add(jpd);

jp3.add(jb1);

jp3.add(jb2);

//把JPanel添加到JFrame

this.add(jp1);

this.add(jp2);

this.add(jp3);

//创建窗口

this.setTitle("组合布局案例");

this.setSize(500,300);

this.setLocation(500, 200);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//禁止用户改变窗体大小

this.setResizable(false);

//显示窗口

this.setVisible(true);

}

}