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/*

* BorderLayout演示(布局方式)

* 1.继承JFrame

* 2.定义你要的组件

* 3.创建组件（构造函数）

* 4.添加组件，把组件添加到应当放得位置去

* 5.设置窗体属性

* 6.显示窗口

*/

package gui;

import java.awt.*;

import javax.swing.*;

public class Demo2 extends JFrame {

//定义组件

JButton jb1,jb2,jb3,jb4,jb5;

public static void main(String[] args)

{

Demo2 d=new Demo2();

}

public Demo2()

{

//创建组件

jb1=new JButton("中部");

jb2=new JButton("北部");

jb3=new JButton("东部");

jb4=new JButton("南部");

jb5=new JButton("西部");

//添加各个组件

this.add(jb1,BorderLayout.CENTER);

this.add(jb2,BorderLayout.NORTH);

this.add(jb3,BorderLayout.EAST);

this.add(jb4,BorderLayout.SOUTH);

this.add(jb5,BorderLayout.WEST);

//设置窗体属性

this.setTitle("边界布局案例");

this.setSize(300, 200);

this.setLocation(200, 200);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//显示窗体

this.setVisible(true);

}

}