javaGUI学习——在面板上画一张图片

<span style="font-size:18px;">//在面板上画出一张图片package com.test1;import java.awt.*;import javax.swing.*;public class Test1 extends JFrame{MyPanel1 mp1=null;public static void main(String[] args) {Test1 t1=new Test1();}public Test1(){mp1=new MyPanel1();this.add(mp1);this.setSize(400,500);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setVisible(true);}}class MyPanel1 extends JPanel{public void paint(Graphics g){Image im = Toolkit.getDefaultToolkit().getImage(Panel.class.getResource("/11.jpg"));g.drawImage(im, 10, 10,300,421,this);}}</span>