layoutframe.java

180个针对Java初学者的简单实例180个针对Java初学者的简单实例180个针对Java初学者的简单实例

import javax.swing.*;
import java.awt.*;
public class  LayoutFrame extends JFrame {
  public LayoutFrame (){
    super("框架窗口");
    this.setSize(300,200);
    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      }
  public void SetLayout(){
    //创建新的布局管理器
    FlowLayout Layout=new FlowLayout(FlowLayout.CENTER,8,8);
    //获取框架窗口的内容面板
    Container container = getContentPane();
    //设置内容面板的布局管理器
    container.setLayout(Layout);
    //创建并向框架添加按钮
    JButton btnOk =new JButton("确定");
   JButton btnOpen=new JButton("找开");
   JButton btnClose=new JButton("关闭");
   JButton btnHelp=new JButton("帮助");
   container.add(btnOk);
   container.add(btnOpen);
   container.add(btnClose);
   container.add(btnHelp);
  }
  public static void main(String[] args) {
    LayoutFrame  testLayout= new LayoutFrame ( );
    //设置布局
   testLayout.SetLayout();
   //显示框架窗体
   testLayout.show();
  }
}