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import java.applet.*;
import java.awt.event.*;
import java.awt.*;

@SuppressWarnings("serial")
public class music extends Applet
implements ActionListener
{
    AudioClip audio;
    Button btExit,btOpen,btPlay,btLoop,btStop;
    /**   
	*  
	方法说明：初始化Applet   
	*  
	输入参数：   
	*  
	返回类型：   
	*/
	public void init()
	{
		//加载声音文件   
		audio = getAudioClip(getDocumentBase(), "music.au");//这里放上你加在新建文件夹里面的歌曲名称,au格式   
															//构造按钮   
		setLayout(new FlowLayout());
		btPlay = new Button("Play");
		btPlay.addActionListener(this);
		btLoop = new Button("Loop");
		btLoop.addActionListener(this);
		btStop = new Button("Stop");
		btStop.addActionListener(this); //给Play按钮添加一个监听事件   
										//将按钮添加到Applet中   
		add(btPlay);
		add(btLoop);
		add(btStop);
	}

	public void actionPerformed(ActionEvent e)
	{

		//如果点击的是Play按钮   
		if (e.getSource() == btPlay)
		{
			play();
		}
		//如果点击的是loop按钮   
		if (e.getSource() == btLoop)
		{
			loop();
		}
		//如果点击的是stop按钮   
		if (e.getSource() == btStop)
		{
			stop();
		}
	}
	/**   
	*  
	方法说明：播放声音   
	*  
	输入参数：   
	*  
	返回类型：   
	*/
	public void play()
	{
		if (audio != null) stop();
		audio.play();
	}
	/**   
	*  
	方法说明：循环播放声音   
	*  
	输入参数：   
	*  
	返回类型：   
	*/
	public void loop()
	{
		if (audio != null)
			audio.loop();
	}
	/**   
	*  
	方法说明：停止播放声音   
	*  
	输入参数：   
	*  
	返回类型：   
	*/
	public void stop()
	{
		if (audio != null)
			audio.stop();
	}   
} 

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import java.applet.*;   
import java.awt.*;   
import java.awt.event.*; 

public class game extends Applet implements ActionListener{   
//定义变量   
int num1, num2, num3, jieguo, jilu, error = 0, right = 0, key = 0;   
char op;   
float percent = 0;   
String res, lev;   
Image labmag;   
AudioClip audio1, audio2;   
Label prompt1,prompt2;   
TextField qus, ans, info;   
Button next, enter, record;   

public void init()   
{   
//初始化图片   
	labmag = getImage (getCodeBase(),"1.jpg");   
	//初始化音乐   
	audio1 = getAudioClip(getDocumentBase(),"Error.au");   
	audio2 = getAudioClip(getDocumentBase(),"Right.au");   
	qus = new TextField(15);   
	//初始化按钮，文本框   
	ans = new TextField(10);   
	info = new TextField(30);   
	enter = new Button("确定");   
	next = new Button("新题目");   
	record = new Button("记录");   
	prompt1 = new Label("问题:");   
	prompt2 = new Label("结果:");   
	//建立按钮和文本框   
	add(prompt1);   
	add(qus);   
	add(ans);   
	add(enter);   
	add(next);   
	add(record);   
	add(prompt2);   
	add(info);   
	//三个按钮的监听   
	next.addActionListener(this);   
	enter.addActionListener(this);   
	record.addActionListener(this);   
}   

public void paint(Graphics g)   
{   
	//绘图   
	g.drawImage(labmag, 0,0,430,280,this);   
}   

public void actionPerformed(ActionEvent e)   
{   
	if (e.getSource()==next)   
	{   
		//随机数生成   
		num1 = (int)(Math.random()*9);   
		num2 = (int)(Math.random()*9);   
		num3 = (int)(Math.random()*3);   
		switch(num3)   
		{   
			case 0 : op = '+'; jilu = num1+num2; break;   
			case 1 : op = '-'; jilu = num1-num2;break;   
			case 2 : op = '*'; jilu = num1*num2;break;   
		}   
		//考虑到整数除法带来的小数问题，暂时取消了生成除法   
		qus.setText(""+num1+op+num2+"=");   
		key = 1;   
	}   
	if (e.getSource()==enter)   
	{   
		if(ans.getText()!="")   
			jieguo = Integer.parseInt(ans.getText());   
		if (jieguo == jilu)   
		{   
			res="真棒，答对了！";   
			audio2.play(); //播放音乐   
			if (key == 1) //答对只记一次分   
			{   
			right++;   
			key = 0;   
			}   
		}   
		else   
		{   
			res = "答错了。别灰心！";   
			audio1.play(); //播放音乐   
			error++; //答错扣分   
		}   
		info.setText(""+res);   
	}	 
	if (e.getSource()==record)   
	{   
	//级别判定   
	if (right > 0 && right <= 10)   
		lev = "懒羊羊";   
	if (right > 10 && right <= 23)   
		lev = "暖羊羊";   
	if (right > 23 && right <= 38)   
		lev = "沸羊羊";   
	if (right > 38 && right <= 56)   
		lev = "美羊羊";   
	if (right > 56 && right <= 76)   
		lev = "喜绵绵";   
	if (right > 76 && right <= 100)   
		lev = "软绵绵";   
	if (right > 100)   
		lev = "天神";   
	info.setText("答对" + right + "题" + " 答错" + error + "题" + " 等级:" + lev);   
	}   
}   
}