景区里面经常看到通过声音来控制喷泉，声音越大，喷泉越高，这个如何做到的？

里面有个声控感应器，放大器和驱动器，控制可控硅，控制水泵的电流的大小

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跪求java 音乐播放的代码啊，完美运行的就行

import java.applet.Applet;

import java.applet.AudioClip;

import java.awt.AWTException;

import java.awt.Frame;

import java.awt.SystemTray;

import java.awt.TrayIcon;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.io.File;

import java.io.IOException;

import javax.imageio.ImageIO;

import javax.swing.*;

public class bofan_2 extends JFrame implements ActionListener

{

boolean looping=false;

File file1=null;

AudioClip sound1;

AudioClip chosenClip;

private JComboBox box1=null; //歌曲列表

private JButton butbofan=null; //播放

private JButton butboxhuan=null; //循环播放

private JButton buttinzi=null; //停止

private JButton butshan=null; //上一首

private JButton butzhantin=null; //暂停

private JButton butxia=null; //下一首

private TrayIcon trayIcon;//托盘图标

private SystemTray systemTray;//系统托盘

public bofan_2()

{

this.setSize(420,400);

this.setResizable(false);

this.setLocationRelativeTo(null);

this.setLayout(null);

box1=new JComboBox();

box1.addItem("伤心太平洋");

box1.addItem("劲爆的士高");

box1.addItem("老夫少妻");

box1.addItem("爱不再来");

box1.addItem("抽身");

box1.addItem("伤心城市");

box1.addItem("二零一二");

box1.addItem("精忠报国");

box1.addItem("秋沙");

box1.addItem("吻别");

box1.addItem("音乐疯起来");

box1.setBounds(10,20,150,20);

butbofan=new JButton("播放");

butbofan.addActionListener(this);

butbofan.setBounds(165,50,60,20);

butboxhuan=new JButton("循环播放");

butboxhuan.addActionListener(this);

butboxhuan.setBounds(230,50,90,20);

buttinzi=new JButton("停止");

buttinzi.setEnabled(false);

buttinzi.addActionListener(this);

buttinzi.setBounds(335,50,60,20);

butshan=new JButton("上一首");

butshan.addActionListener(this);

butshan.setBounds(165,90,80,20);

butzhantin=new JButton("暂停");

butzhantin.setEnabled(false);

butzhantin.addActionListener(this);

butzhantin.setBounds(250,90,60,20);

butxia=new JButton("下一首");

butxia.addActionListener(this);

butxia.setBounds(320,90,80,20);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.getContentPane().add(box1);

this.getContentPane().add(butbofan);

this.getContentPane().add(butboxhuan);

this.getContentPane().add(buttinzi);

this.getContentPane().add(butshan);

this.getContentPane().add(butzhantin);

this.getContentPane().add(butxia);

try {

UIManager.setLookAndFeel("org.jvnet.substance.skin.SubstanceOfficeBlue2007LookAndFeel");

} catch (ClassNotFoundException e)

{

e.printStackTrace();

} catch (InstantiationException e)

{

e.printStackTrace();

} catch (IllegalAccessException e)

{

e.printStackTrace();

} catch (UnsupportedLookAndFeelException e)

{

e.printStackTrace();

}

setSize(450,450);

systemTray = SystemTray.getSystemTray();//获得系统托盘的实例

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

try {

trayIcon = new TrayIcon(ImageIO.read(new File("004.jpg")));

systemTray.add(trayIcon);//设置托盘的图标，0.gif与该类文件同一目录

}

catch (IOException e1)

{

e1.printStackTrace();

}

catch (AWTException e2)

{

e2.printStackTrace();

}

this.addWindowListener(

new WindowAdapter(){

public void windowIconified(WindowEvent e)

{

dispose();//窗口最小化时dispose该窗口

}

});

trayIcon.addMouseListener(new MouseAdapter()

{

public void mouseClicked(MouseEvent e){

if(e.getClickCount() == 2)//双击托盘窗口再现

setExtendedState(Frame.NORMAL);

setVisible(true);

}

});

this.setVisible(true);

}

public void actionPerformed(ActionEvent e)

{

Object source = e.getSource();

if (source== butbofan)

{

System.out.println((String) box1.getSelectedItem());

file1=new File((String) box1.getSelectedItem()+".wav");

butboxhuan.setEnabled(true);

buttinzi.setEnabled(true);

butzhantin.setEnabled(true);

butzhantin.setText("暂停");

try {

sound1 = Applet.newAudioClip(file1.toURL());

chosenClip = sound1;

} catch(OutOfMemoryError er){

System.out.println("内存溢出");

er.printStackTrace();

} catch(Exception ex){

ex.printStackTrace();

}

chosenClip.play();

this.setTitle("正在播放"+(String) box1.getSelectedItem());

}

if (source== butboxhuan)

{

file1=new File((String) box1.getSelectedItem()+".wav");

try {

sound1 = Applet.newAudioClip(file1.toURL());

chosenClip = sound1;

} catch(OutOfMemoryError er){

System.out.println("内存溢出");

er.printStackTrace();

} catch(Exception ex){

ex.printStackTrace();

}

looping = true;

chosenClip.loop();

butboxhuan.setEnabled(false);

buttinzi.setEnabled(true);

butzhantin.setText("暂停");

this.setTitle("正在循环播放"+(String) box1.getSelectedItem());

}

if (source== buttinzi)

{

if (looping)

{

looping = false;

chosenClip.stop();

butboxhuan.setEnabled(true);

butzhantin.setText("暂停");

} else {

chosenClip.stop();

}

buttinzi.setEnabled(false);

this.setTitle("停止播放");

}

if(source==butshan)

{

butzhantin.setText("暂停");

}

if(source==butzhantin)

{

buttinzi.setEnabled(false);

butzhantin.setText("继续");

if(source==butzhantin)

{

butzhantin.setText("暂停");

}

}

if(source==butxia)

{

butzhantin.setText("暂停");

}

}

public static void main(String[] args)

{

bofan_2 xx=new bofan_2();

}

}

/*

可以用加载声音文件的方法：

第一帧：mysound= new Sound();

mysound.attachSound(声音id名字);

ptime = 0;

播放按钮as：

on(release){

mysound.start(ptime);

}

暂停按钮as：

on(release){

ptime = mysound.position/1000;

mysound.stop();

}

*/

java代码

帮你改了一下：

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class logon extends JFrame {

public static void main(String args[]) {

logon a=new logon();

a.show();

}

CheckboxGroup ShenFen=new CheckboxGroup();

Checkbox ShenFen1;

Checkbox ShenFen2;

Checkbox ShenFen3;

JButton LogonButton,Exit;

JTextField id;

JPasswordField password;

public logon(){

this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

this.setLayout(null);

setTitle("学生选课系统");

setSize(600,600);

ShenFen1=new Checkbox("学生",ShenFen,true);

ShenFen2=new Checkbox("教师",ShenFen,false);

ShenFen3=new Checkbox("管理员",ShenFen,false);

add(ShenFen1);

add(ShenFen2);

add(ShenFen3);

ShenFen1.setBounds(300, 350, 50, 50);

ShenFen2.setBounds(350, 350, 50, 50);

ShenFen3.setBounds(400, 350, 50, 50);

LogonButton=new JButton("登录");

add(LogonButton);

Exit=new JButton("退出");

add(Exit);

Exit.setBounds(400, 400,60, 60);

id=new JTextField();

add(id);

id.setBounds(300, 200, 200, 30);

password=new JPasswordField();

add(password);

password.setBounds(300, 250, 200, 30);

}

}

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