Java JLayeredPane

1 Java JLayeredPane的介绍

JLayeredPane类用于增加摆动容器的深度。它用于提供用于定位组件的第三维，并将深度范围划分为几个不同的层。

2 Java JLayeredPane的声明

public class JLayeredPane extends JComponent implements Accessible  

3 Java JLayeredPane的构造方法

4 Java JLayeredPane的方法

5 Java JLayeredPane的案例

package com.yiidian;

/**
 * 一点教程网： http://www.yiidian.com
 */

import javax.swing.*;
import java.awt.*;  
public class LayeredPaneExample extends JFrame {  
  public LayeredPaneExample() {  
    super("JLayeredPane案例-一点教程网");
    setSize(200, 200);  
    JLayeredPane pane = getLayeredPane();  
    //creating buttons  
    JButton top = new JButton();  
    top.setBackground(Color.white);  
    top.setBounds(20, 20, 50, 50);  
    JButton middle = new JButton();  
    middle.setBackground(Color.red);  
    middle.setBounds(40, 40, 50, 50);  
    JButton bottom = new JButton();  
    bottom.setBackground(Color.cyan);  
    bottom.setBounds(60, 60, 50, 50);  
    //adding buttons on pane  
    pane.add(bottom, new Integer(1));  
    pane.add(middle, new Integer(2));  
    pane.add(top, new Integer(3));  
  }  
  public static void main(String[] args) {  
      LayeredPaneExample panel = new  LayeredPaneExample();  
      panel.setVisible(true);  
  }  
}  

输出结果为：