ch15.txt

精通Java网络编程代码全部

/* 代码15-1
 * Created on 2005-5-22
 */ 

import java.awt.*;
import java.applet.*;
public class ShowImage extends Applet
Image picure; //定义类型为Image的成员变量
public void init()
{
	picture=getImage(getCodeBase(),"Image.gif"); //装载图像
}
public void paint(Graphics g)
{
	g.drawImage(picture,0,0,this); //显示图像
}
}

/* 代码15-2
 * Created on 2005-5-22
 */

import java.awt.*;
import java.applet.* 
public class SoundDemo extends Applet
{
	public void paint(Graphics g)
	{
		AudioClip audioClip=getAudioClip(getCodeBase(),"Sample.AU"); 
		//创建AudioClip对象并用//getAudioClip方法将其初始化。
		
		g.drawstring("Sound Demo! ",5,15);
		audioClip.loop()；//使用AudioClip类的loop方法循环播放
	}
}


/* 代码15-3
 * Created on 2005-5-22
 */

//ghq.java 
import java.awt.*; 
import java.applet.*; 
public class ghq extends Applet 
{ 
	String text="ghq is a student!"; 
	public void paint(Graphics g) 
	{
		g.drawString(text,20,20);
	} //在坐标20,20 处显示text的内容 
}