appletshowimage.java

本java源程序包括了大量的学习程序（共27章）方便大家学习

import java.awt.*;
import java.applet.*;
public class AppletShowImage extends Applet
{
	Image img[];   //创建Image对象img
	Font font;     //创建字体
	public void init()
	{
	  img = new Image[3];  //创建图像对象对组
	  
	  //使用getImage()方法获取图像
	  img[0] = getImage(getCodeBase(),"BMPImage.png"); 
	  img[1] = getImage(getCodeBase(),"JPEGImage.jpg"); 
	  img[2] = getImage(getCodeBase(),"GIFImage.gif"); 
	  
	  //创建并设置字体样式
	  font = new Font("Serif",Font.BOLD,14); 
	}
	public void paint(Graphics g)
	{
		//设置Applet界面底色
		g.setColor(Color.GRAY);    
		g.clearRect(0,0,800,800);
		
		//设置字体颜色
		g.setColor(Color.BLUE);
		
		//设置字体样式
		g.setFont(font);
		
		//在Applet界面中，绘制字符串及图片
		g.drawString("This is PNG Image:",20,20);
		g.drawImage(img[0],20,30,this);
		g.drawString("This is JPEG Image:",20,220);
		g.drawImage(img[1],20,230,this);
		g.drawString("This is BMP Image:",400,20);
		g.drawImage(img[2],400,30,this);
	}
}