午夜蓝调
发贴: 6
积分: 0
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于 2008-10-11 01:22
我是个新手,正在学applet,做了个装载和显示本地图片的小程序,改了很多地方,最后没有办法按照书上例子原样写出来,还是报错,依然不能正常显示图片,能请教各位大侠问题出在哪里吗?(我用的eclipse,图片就在workspace下的ImageLoad类文件夹下)源程序如下: import java.awt.*; import java.applet.Applet; /* * <applet code="ImageLoad" width=300 height=200> * <param name="image" value="1.jpg"> * </applet> * */
public class ImageLoad extends Applet { Image image;
public void init(){ setBackground(Color.blue); image=getImage(getDocumentBase(),getParameter("image")); } public void paint(Graphics g){ g.drawImage(image,0,0,this); } 下面是编译后报的错误:at sun.java2d.pipe.DrawImage.copyImage(Unknown Source) at sun.java2d.pipe.DrawImage.copyImage(Unknown Source) at sun.java2d.SunGraphics2D.drawImage(Unknown Source) at sun.java2d.SunGraphics2D.drawImage(Unknown Source) at ImageLoad.paint(ImageLoad.java:18) at sun.awt.RepaintArea.paint(Unknown Source) at sun.awt.windows.WComponentPeer.handleEvent(Unknown Source) at java.awt.Component.dispatchEventImpl(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source)
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