这个为什么不能显示图片?
import java.applet.Applet;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
/**
* @通过Applet类显示图片
*/
public class img1 extends Applet {
Image img;
public void start(){
setBackground(Color.cyan);
img = getImage(this.getCodeBase(),"/im0,jpg");
}
public void paint(Graphics g){
int wt = img.getWidth(this);
int ht = img.getHeight(this);
g.drawImage(img,0,0,wt/2,ht/2,this);
}
}