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zhanghua

2024-09-26 c775c6953d9759e70f08acbfa8f6d7490aaae3d1

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package com.netsdk.demo.util;
 
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
 
import javax.swing.JPanel;
 
/**
 * 带背景的面板组件
 * @author 29779
 *
 */
public class PaintJPanel extends JPanel{
 
    private static final long serialVersionUID = 1L;
    private Image image; //背景图片    
    
    public PaintJPanel() {
        super();
        setOpaque(true); //非透明
        setLayout(null);
        setBackground(new Color(153, 240, 255));
        setForeground(new Color(0, 0, 0));
    }
    
    //设置图片的方法
    public void setImage(Image image) {
        this.image = image;
    }
    
    protected void paintComponent(Graphics g) {    //重写绘制组件外观
        if(image != null) {
            g.drawImage(image, 0, 0, getWidth(), getHeight(), this);//绘制图片与组件大小相同
        }
        super.paintComponent(g); // 执行超类方法
    }    
 
}