该楼层疑似违规已被系统折叠 隐藏此楼查看此楼

package com.hb.study;

import java.awt.BorderLayout;

import java.awt.Canvas;

import java.awt.Color;

import java.awt.Frame;

import java.awt.Graphics;

import java.awt.Image;

import java.awt.Toolkit;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

class canvas extends Canvas{

Toolkit tool;

Image image;

canvas()

{

setSize(200,200);

tool=getToolkit();

image=tool.getImage("background.gif");

}

public void paint(Graphics g){

g.drawImage(image,10,10,image.getWidth(this),image.getHeight(this),this);

}

public static void main(String args[]){

Frame f=new Frame();

canvas can=new canvas();

f.setLayout(new BorderLayout());

f.setSize(400,300);

f.setBackground(Color.cyan);

f.add(can,"Center");

f.setVisible(true);

f.pack();

f.addWindowListener(new WindowAdapter(){

public void windowClosing(WindowEvent e)

{

System.exit(0);

}

}

); }

}

成功了！

你要确定你的那个背景图片在你的工程下面

！！