自制小钢琴（Java）

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简易版小钢琴

package PianoGame;import javax.swing.*;
import java.awt.*;public class PianoGame extends JFrame {Button button=null;//定义两个参数，分别为宽，高public static final  int WIDTH=700;public static final  int HEIGHT=450;JButton button1,button2,button3,button4,button5,button6,button7;//无参构造器public PianoGame(){button=new Button();this.setLayout(null);this.addKeyListener(button);//底色改为黑色getContentPane().setBackground(Color.BLACK);//设定窗口的宽高this.setSize(WIDTH,HEIGHT);//设定窗口是否可见this.setVisible(true);//设定窗口是否可以修改this.setResizable(false);//允许我们点x关闭进程this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置窗口标题this.setTitle("钢琴");//定义按钮button1=new JButton(" ");button2=new JButton(" ");button3=new JButton(" ");button4=new JButton(" ");button5=new JButton(" ");button6=new JButton(" ");button7=new JButton(" ");//设置按钮的大小和位置button1.setBounds(0,0,100,390);button2.setBounds(100,0,100,390);button3.setBounds(200,0,100,390);button4.setBounds(300,0,100,390);button5.setBounds(400,0,100,390);button6.setBounds(500,0,100,390);button7.setBounds(600,0,100,390);add(button1);add(button2);add(button3);add(button4);add(button5);add(button6);add(button7);//修改按钮颜色为白色button1.setBackground(Color.WHITE);button2.setBackground(Color.WHITE);button3.setBackground(Color.WHITE);button4.setBackground(Color.WHITE);button5.setBackground(Color.WHITE);button6.setBackground(Color.WHITE);button7.setBackground(Color.WHITE);}public static void main(String[] args) {PianoGame pianogame = new PianoGame();}
}

package PianoGame;import javax.sound.sampled.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;public class Button implements KeyListener {@Overridepublic void keyTyped(KeyEvent e) {}//当我们按下按键@Overridepublic void keyPressed(KeyEvent e) {//这样我们可以知道按键对应的数字Keycode//比如System.out.println(e.getKeyCode());//获取值if(e.getKeyCode()==65){try {Clip bgm= AudioSystem.getClip();//填写音频对应的目录String path="/music/1.wav";InputStream is=this.getClass().getResourceAsStream(path);BufferedInputStream buffer=new BufferedInputStream(is);AudioInputStream ais=AudioSystem.getAudioInputStream(buffer);bgm.open(ais);bgm.start();} catch (LineUnavailableException ex) {throw new RuntimeException(ex);} catch (UnsupportedAudioFileException ex) {throw new RuntimeException(ex);} catch (IOException ex) {throw new RuntimeException(ex);}}if(e.getKeyCode()==83){try {Clip bgm= AudioSystem.getClip();//填写音频对应的目录String path="/music/2.wav";InputStream is=this.getClass().getResourceAsStream(path);BufferedInputStream buffer=new BufferedInputStream(is);AudioInputStream ais=AudioSystem.getAudioInputStream(buffer);bgm.open(ais);bgm.start();} catch (LineUnavailableException ex) {throw new RuntimeException(ex);} catch (UnsupportedAudioFileException ex) {throw new RuntimeException(ex);} catch (IOException ex) {throw new RuntimeException(ex);}}if(e.getKeyCode()==68){try {Clip bgm= AudioSystem.getClip();//填写音频对应的目录String path="/music/3.wav";InputStream is=this.getClass().getResourceAsStream(path);BufferedInputStream buffer=new BufferedInputStream(is);AudioInputStream ais=AudioSystem.getAudioInputStream(buffer);bgm.open(ais);bgm.start();} catch (LineUnavailableException ex) {throw new RuntimeException(ex);} catch (UnsupportedAudioFileException ex) {throw new RuntimeException(ex);} catch (IOException ex) {throw new RuntimeException(ex);}}if(e.getKeyCode()==70){try {Clip bgm= AudioSystem.getClip();//填写音频对应的目录String path="/music/4.wav";InputStream is=this.getClass().getResourceAsStream(path);BufferedInputStream buffer=new BufferedInputStream(is);AudioInputStream ais=AudioSystem.getAudioInputStream(buffer);bgm.open(ais);bgm.start();} catch (LineUnavailableException ex) {throw new RuntimeException(ex);} catch (UnsupportedAudioFileException ex) {throw new RuntimeException(ex);} catch (IOException ex) {throw new RuntimeException(ex);}}if(e.getKeyCode()==71){try {Clip bgm= AudioSystem.getClip();//填写音频对应的目录String path="/music/5.wav";InputStream is=this.getClass().getResourceAsStream(path);BufferedInputStream buffer=new BufferedInputStream(is);AudioInputStream ais=AudioSystem.getAudioInputStream(buffer);bgm.open(ais);bgm.start();} catch (LineUnavailableException ex) {throw new RuntimeException(ex);} catch (UnsupportedAudioFileException ex) {throw new RuntimeException(ex);} catch (IOException ex) {throw new RuntimeException(ex);}}if(e.getKeyCode()==72){try {Clip bgm= AudioSystem.getClip();//填写音频对应的目录String path="/music/6.wav";InputStream is=this.getClass().getResourceAsStream(path);BufferedInputStream buffer=new BufferedInputStream(is);AudioInputStream ais=AudioSystem.getAudioInputStream(buffer);bgm.open(ais);bgm.start();} catch (LineUnavailableException ex) {throw new RuntimeException(ex);} catch (UnsupportedAudioFileException ex) {throw new RuntimeException(ex);} catch (IOException ex) {throw new RuntimeException(ex);}}if(e.getKeyCode()==74){try {Clip bgm= AudioSystem.getClip();//填写音频对应的目录String path="/music/7.wav";InputStream is=this.getClass().getResourceAsStream(path);BufferedInputStream buffer=new BufferedInputStream(is);AudioInputStream ais=AudioSystem.getAudioInputStream(buffer);bgm.open(ais);bgm.start();} catch (LineUnavailableException ex) {throw new RuntimeException(ex);} catch (UnsupportedAudioFileException ex) {throw new RuntimeException(ex);} catch (IOException ex) {throw new RuntimeException(ex);}}}@Overridepublic void keyReleased(KeyEvent e) {}
}