多线程小球运动 - 代码片段

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语言： Java

分类：其他

最后更新于 2018-01-07 15:18

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Ball.java

原始数据

import java.awt.Color;
import java.awt.Graphics;

public class Ball {
	private int x=0;
	private int y=0;
	double k=0;
	double b=0;
	private double lastX=0;
	private double lastY=0;
	int dy=1;
	int dx=1;
	int r=40;
	
	private Color color;
	private MyCanvas canvas;
	private static int POINTX=250;
	private static int POINTY=100;//顶点
	private int num=0;//给小球计数
	
	public Ball(MyCanvas canvas,Color color){
		this.canvas=canvas;
		this.color=color;
		setFirstLocation();
	}
	public void draw(Graphics g){
		g.setColor(color);//颜色
		g.drawLine(POINTX,POINTY,x+r/2,y+r/2);
		g.fillOval(x,y,r,r);//填充椭圆区域  
	}
	
    private void setFirstLocation(){//初始化位置和斜率

x=(int)((Math.random()*canvas.getWidth()));
	    y=(int)((Math.random()*canvas.getHeight()));
	    k=(y-POINTY)/((x-POINTX)+0.1);
	    b=POINTY-k*POINTX;
	    if(y>POINTY)//向汇聚点移动
	    	dy=-1;
	    if(x>POINTX)
	    	dx=-1;
    }
	
	public void move(){
	    lastX=x;
	    lastY=y;
	    if(lastY+dy<0||lastY+dy>canvas.getHeight()-r)
		{
	    	new MusicThread().start();
			k=-k;
			b=lastY-k*lastX;
			if(lastX+dx<0)
				dx=1;
			else if(lastX+dx>canvas.getWidth()-r)
				dx=-1;
			if(lastY+dy<0)
				dy=1;
			else if(lastY+dy>canvas.getHeight()-r)
				dy=-1;
		}
		
		else if(lastX+dx<0||lastX+dx>canvas.getWidth()-r)
		{
			new MusicThread().start();
			k=-k;
			b=lastY-k*lastX;
			if(lastY+dy<0)
				dy=1;
			else if(lastY+dy>canvas.getHeight()-r)
				dy=-1;
			if(lastX+dx<0)
				dx=1;
			else if(lastX+dx>canvas.getWidth()-r)
				dx=-1;
		}
	if(Math.abs(k)<1){
		x=x+dx;
		y=(int)(k*x+b);
	}		
	else
	{
		y=y+dy;
		x=(int)((y-b)/k);
	}
	   /*for (int i = 0; i < canvas.returnBalls().size(); i++)   //判断小球间是否发生碰撞  
       {  
           Ball ball = canvas.returnBalls().get(i);  
           if (this.equals(ball))  //自己和自己不碰撞  
               continue;  
           if (((ball.x - x) * (ball.x - x) + (ball.y - y) * (ball.y - y) <= r*r)&&ball.getk()!=this.getk())   
        	   //当两球间的距离小于直径且斜率不同时，可认为两小球发生了碰撞  
           {  
               double degree = Math.atan((y - ball.y) / (x - ball.x)); 
               //获取自己与发生碰撞的小球之间所形成的夹角，因为夹角只能在-pi/2-pi/2之间，所以还需判断两球的x坐标之间的关系  
               
           }  
       } */
}

public void changePoint(int pointx,int pointy){//改变顶点的位置
	dy=1;
	dx=1;
	POINTX=pointx;
	POINTY=pointy;
    k=(y-POINTY)/((x-POINTX)+0.1);
    b=POINTY-k*POINTX;
    if(y>POINTY)
    	dy=-1;
    if(x>POINTX)
    	dx=-1;
}

public Double getk(){//显示斜率
		return k;
}

public int getX(){//位置显示每一个小球的编号
	return x+20;
}

public int getY(){
	return y+20;
}

public void setNumber(int num){//记录小球编号
	this.num=num;
}

public int getNumber(){//在BallThread里面label获取小球编号
	return num;
}
}

复制代码


import java.awt.Color;
import java.awt.Graphics;



public class Ball {
	private int x=0;
	private int y=0;
	double k=0;
	double b=0;
	private double lastX=0;
	private double lastY=0;
	int dy=1;
	int dx=1;
	int r=40;
	
	private Color color;
	private MyCanvas canvas;
	private static int POINTX=250;
	private static int POINTY=100;//顶点
	private int num=0;//给小球计数
	
	public Ball(MyCanvas canvas,Color color){
		this.canvas=canvas;
		this.color=color;
		setFirstLocation();
	}
	public void draw(Graphics g){
		g.setColor(color);//颜色
		g.drawLine(POINTX,POINTY,x+r/2,y+r/2);
		g.fillOval(x,y,r,r);//填充椭圆区域  
	}
	
    private void setFirstLocation(){//初始化位置和斜率

		x=(int)((Math.random()*canvas.getWidth()));
	    y=(int)((Math.random()*canvas.getHeight()));
	    k=(y-POINTY)/((x-POINTX)+0.1);
	    b=POINTY-k*POINTX;
	    if(y>POINTY)//向汇聚点移动
	    	dy=-1;
	    if(x>POINTX)
	    	dx=-1;
    }
	
	public void move(){
	    lastX=x;
	    lastY=y;
	    if(lastY+dy<0||lastY+dy>canvas.getHeight()-r)
		{
	    	new MusicThread().start();
			k=-k;
			b=lastY-k*lastX;
			if(lastX+dx<0)
				dx=1;
			else if(lastX+dx>canvas.getWidth()-r)
				dx=-1;
			if(lastY+dy<0)
				dy=1;
			else if(lastY+dy>canvas.getHeight()-r)
				dy=-1;
		}
		
		else if(lastX+dx<0||lastX+dx>canvas.getWidth()-r)
		{
			new MusicThread().start();
			k=-k;
			b=lastY-k*lastX;
			if(lastY+dy<0)
				dy=1;
			else if(lastY+dy>canvas.getHeight()-r)
				dy=-1;
			if(lastX+dx<0)
				dx=1;
			else if(lastX+dx>canvas.getWidth()-r)
				dx=-1;
		}
	if(Math.abs(k)<1){
		x=x+dx;
		y=(int)(k*x+b);
	}		
	else
	{
		y=y+dy;
		x=(int)((y-b)/k);
	}
	   /*for (int i = 0; i < canvas.returnBalls().size(); i++)   //判断小球间是否发生碰撞  
       {  
           Ball ball = canvas.returnBalls().get(i);  
           if (this.equals(ball))  //自己和自己不碰撞  
               continue;  
           if (((ball.x - x) * (ball.x - x) + (ball.y - y) * (ball.y - y) <= r*r)&&ball.getk()!=this.getk())   
        	   //当两球间的距离小于直径且斜率不同时，可认为两小球发生了碰撞  
           {  
               double degree = Math.atan((y - ball.y) / (x - ball.x)); 
               //获取自己与发生碰撞的小球之间所形成的夹角，因为夹角只能在-pi/2-pi/2之间，所以还需判断两球的x坐标之间的关系  
               
           }  
       } */
}

public void changePoint(int pointx,int pointy){//改变顶点的位置
	dy=1;
	dx=1;
	POINTX=pointx;
	POINTY=pointy;
    k=(y-POINTY)/((x-POINTX)+0.1);
    b=POINTY-k*POINTX;
    if(y>POINTY)
    	dy=-1;
    if(x>POINTX)
    	dx=-1;
}

public Double getk(){//显示斜率
		return k;
}

public int getX(){//位置显示每一个小球的编号
	return x+20;
}

public int getY(){
	return y+20;
}

public void setNumber(int num){//记录小球编号
	this.num=num;
}

public int getNumber(){//在BallThread里面label获取小球编号
	return num;
}
}

BallThread.java

原始数据复制代码

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

import java.awt.Color;
import java.awt.Label;

public class BallThread extends Thread {
	private Ball ball;
	private Label label;//若不初始化出现NULLPOINTER错误
	volatile boolean isStop=false;
	volatile boolean stop=false;
	private MyCanvas canvas;
	public BallThread(Color color,Label label,MyCanvas canvas){
		this.label=label;
		this.canvas=canvas;
		ball=new Ball(canvas,color);
		canvas.addBall(ball);
	}

	public void run(){
		while(!isStop){
			if(!stop){
			ball.move();
			label.setText("小球"+ball.getNumber()+"斜率:"+ball.getk());
			canvas.repaint();
			try{
				sleep(6);//时延  3ms
			}
			catch(Exception e){
			};
			}
		}
	}
    public  void setStop(boolean Stop)  
    {  
        isStop = Stop;  
    }
    public  void stop(boolean stop)  
    {  
      this.stop = stop;  
    }
}

FirstBall.java

原始数据

import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Checkbox;
import java.awt.CheckboxGroup;
import java.awt.Color;
import java.awt.Dialog;
import java.awt.Frame;
import java.awt.Label;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.MenuShortcut;
import java.awt.Panel;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.ArrayList;

public class FirstBall {
	Frame frame=new Frame();
	Ball ball;
	MyCanvas canvas=new MyCanvas();
	
	//-------------右侧panel显示按钮信息
	Button btnAdd=new Button("add");
	Button btnClear=new Button("clear"); 
	Button btnStopAndContinue = new Button("cut one");   //随机删除小球按钮 
	Button btnstop=new Button("stop");
	Dialog cutone=new Dialog(frame,"请输入要删除的小球",true);
	TextField choice=new TextField(20);	//输入小球编号
	Button cut=new Button("确定");
	Button no=new Button("取消");
	Dialog error=new Dialog(frame,"ERROR",true);
	Label errors=new Label("错误的小球编号!");
	Button errorExit=new Button("确定");
	Panel panel=new Panel();
	
	//-----------关闭窗口
	Dialog d=new Dialog(frame,"ExitProcess",true);
	Button btnYes=new Button("YES");
	Button btnNo=new Button("NO");
	Button btnCancel=new Button("Cancel");
	Label labelExit=new Label("Exit ?");
	
	//-----------左侧状态栏
	Panel panelLabel=new Panel();
	Label ballk=new Label("小球情况");
	Label[] labels=new Label[20];
	static int BALLNUM=0;
	static int labelNum=0;
	
	//------------菜单
	MenuBar mb=new MenuBar();
	Menu file=new Menu("文件");
	Menu help=new Menu("帮助");
	
	            //文件下的选项
	MenuItem setItem=new MenuItem("设置",new MenuShortcut(KeyEvent.VK_B));
	CheckboxGroup cbg=new CheckboxGroup();
	Checkbox check21=new Checkbox("10",cbg,true);
	Checkbox check22=new Checkbox("15",cbg,false);
	Checkbox check23=new Checkbox("20",cbg,false);
	Dialog setDl=new Dialog(frame,"设置小球上限",true);
	Button exit4=new Button("exit");
	                           //指定使用“CTRL+X"快捷键退出
	MenuItem exitItem=new MenuItem("退出",new MenuShortcut(KeyEvent.VK_X));
	
	    //帮助下的选项
	Menu brief=new Menu("简介");
	MenuItem group=new MenuItem("小组介绍",new MenuShortcut(KeyEvent.VK_A));
	MenuItem function=new MenuItem("功能介绍",new MenuShortcut(KeyEvent.VK_C));
	Dialog groupIntroduction=new Dialog(frame,"小组介绍",true);
	Dialog functionIntroduction=new Dialog(frame,"功能介绍",true);
	
	Label partnerText0=new Label("组名:第九小组");//-------------------------
	Label partnerText1=new Label("组长:李思雨");
	Label partnerText2=new Label("组员:胡   杰");
	Label partnerText3=new Label("组员:曹寅清");
	Label guideText0=new Label("add:增加一个小球");
	Label guideText1=new Label("clear:清除画布");//---------------------
	Label guideText2=new Label("cutone:删除任意编号小球");//-----------------------------
	Button exit2=new Button("exit");
	Button exit3=new Button("exit");
	
	//----------设置小球上限个数并用对话框显示
    static int max=10;
	Dialog dballmax=new Dialog(frame,"Warning!",true);
	Button btnmax=new Button("exit");//--------通用
	Label labelmax=new Label("小球数已经达到上限");
	
	ArrayList<BallThread> thread=new ArrayList<BallThread>();
	
	//-----------监听器内部类
	
	class cutOneListener implements ActionListener{//任意删除一个小球
		
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			 if (btnStopAndContinue.getLabel().equals("cut one")) 
             {  
                 btnStopAndContinue.setLabel("cutting");  
                 btnAdd.setEnabled(false);   //Add按钮不可用  
                 cutone.setVisible(true);
                 
             }  
             else  
             {
             
                 btnStopAndContinue.setLabel("cut one"); 
                 btnAdd.setEnabled(true);    //Add按钮可用  
             }  
		}
	}
	
	class stopListener implements ActionListener{//暂停
		
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			 if (btnstop.getLabel().equals("stop")) 
             {
				 for(BallThread thread0:thread){
					 thread0.stop(true);
	        	 }
                 btnstop.setLabel("continue");  
                 btnAdd.setEnabled(false);   //Add按钮不可用                 
             }  
             else  
             {
            	 for(BallThread thread0:thread){
    				 thread0.stop(false);
            	 }
                 btnstop.setLabel("stop"); 
                 btnAdd.setEnabled(true);    //Add按钮可用  
             }  
		}
	}
	
	class cutListener implements ActionListener{//输入小球编号任意删除一个小球
		int aBallNumber=0;
		boolean nope=false;
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub		
			cutone.setVisible(false);
			try{
			aBallNumber=Integer.valueOf(choice.getText());}
			catch(Exception e1){
				nope=true;
				error.setVisible(true);
			}
			if(!nope)
			{
			if(aBallNumber>thread.size()-1||aBallNumber<0)
				error.setVisible(true);
			else
			{
				thread.get(aBallNumber).setStop(true);
				thread.remove(aBallNumber);
				labels[labelNum]=new Label(" ");
				labels[aBallNumber].setText(" ");
				labelNum--;
				BALLNUM--;
				canvas.deleteThisBall(aBallNumber); 
			}
			}
		}
	}

class addListener implements ActionListener{//add
		Color[] colorArray={Color.blue,Color.CYAN,Color.GREEN,
				Color.magenta,Color.red,Color.yellow,Color.pink,Color.orange,Color.blue};
		
		@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			if(canvas.returnBalls().size()>=max){
				dballmax.setVisible(true);
			}
			else{
			int i=(int)(Math.random()*9);
			labels[labelNum].setBounds(0,50+labelNum*30,100,20);
			panelLabel.add(labels[labelNum]);
			thread.add(new BallThread(colorArray[i],labels[BALLNUM],canvas));
			thread.get(BALLNUM).start();
			BALLNUM++;
			labelNum++;
			}
		}	
	}
	
	class clearListener implements ActionListener{//clear
		public void actionPerformed(ActionEvent e){
			// TODO Auto-generated method stub
			 for(BallThread thread0:thread){
				 thread0.setStop(true);
        	 }
			 canvas.deleteBall();//只是canvas不画小球而已我们看不到，实际小球的进程仍在运行。
			 canvas.repaint();
			 for(int i=0;i<labelNum;i++){
					labels[i].setText("  ");
			 }
			 labelNum=0;
			 BALLNUM=0;
			 thread.removeAll(thread);
		}
	}
	
	class closeWindowListener extends WindowAdapter{//对话框提示是否关闭窗口
		public void windowClosing(WindowEvent e){
			d.setVisible(true);
		}
	}
	
	
	class closeListener implements ActionListener{//对话框里的按钮yes关闭窗口

@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			System.exit(0);
		}
	}
	class cancelOrCloseListener implements ActionListener{//对话框里的按钮cancel取消关闭窗口/删除任意一个球对话框的关闭
		private Dialog d;
        public cancelOrCloseListener(Dialog d){
        	this.d=d;
        }
		@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			d.setVisible(false);
		}	
	}
	
	class exitDialogListener implements ActionListener{//接口  传值实现通用的监听器：对话框的关闭：小球已达上限对话框/小组成员情况/功能介绍
		private Dialog d;
        public exitDialogListener(Dialog d){
        	this.d=d;
        }
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			d.setVisible(false);
		}		
	}
	
	
	class setMaxListener extends FocusAdapter{//设置小球上限为20/10/15
		private int ballnum;
		public setMaxListener(int ballnum){
			this.ballnum=ballnum;
		}
          public void focusGained(FocusEvent e){
        	 if(max<ballnum)
        	 {
        		 for(int i=max;i<ballnum;i++){
        			 labels[i]=new Label("  ");
        		 }
        	 }
        	 max=ballnum;
          }
	}
	
	class displayDialogListener implements ActionListener{//通用的监听器：小组成员情况介绍+功能介绍
		private Dialog d;
		public displayDialogListener(Dialog d){
			this.d=d;
		}
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			d.setVisible(true);
		}		
	}
	
	public void init(){
		canvas.setBounds(100,0,800,800);
		canvas.addMouseListener(canvas.f6);//鼠标点击画布聚点改变
		canvas.setBackground(Color.white);
	
		//-------------左侧状态栏
		panelLabel.setBounds(5,0,100,800);
		panelLabel.setBackground(Color.red);
		panelLabel.setLayout(null);
		ballk.setBounds(0,0,100,50);
		panelLabel.add(ballk);
		int i=0;
		for(i=0;i<max;i++){
			labels[i]=new Label(" ");
		}
		
		//-------------右侧状态栏
		panel.setBounds(800,0,100,800);
		panel.setBackground(Color.red);
		addListener f1=new addListener();
		btnAdd.addActionListener(f1);
		btnAdd.setBounds(5,60,90,50);
		btnAdd.setBackground(Color.white);
		panel.add(btnAdd);
		clearListener f2=new clearListener();
		btnClear.addActionListener(f2);
		btnClear.setBounds(5,130,90,50);
		btnClear.setBackground(Color.white);
		panel.add(btnClear);
		btnStopAndContinue.setBounds(5,200,90,50);
		cutOneListener f7=new cutOneListener();
		btnStopAndContinue.addActionListener(f7);
		btnStopAndContinue.setBackground(Color.white);
		panel.add(btnStopAndContinue);
		stopListener fl=new stopListener();
		btnstop.addActionListener(fl);
		btnstop.setBounds(5,270,90,50);
		btnstop.setBackground(Color.white);
		panel.add(btnstop);
		panel.setLayout(null);
		
		//-------------关闭窗口显示对话框
		closeWindowListener f3=new closeWindowListener();//按右上角的x显示对话框
		frame.addWindowListener(f3);
		closeListener f4=new closeListener();
		cancelOrCloseListener f5=new cancelOrCloseListener(d);
		labelExit.setBounds(20,50,100,20);
		btnYes.setBounds(100,100,50,20);
		btnYes.addActionListener(f4);
		btnCancel.setBounds(160,100,50,20);
		btnCancel.addActionListener(f5);
		d.setBounds(400,400,250,130);
		d.add(labelExit);
		d.add(btnYes);
		d.add(btnCancel);
		d.setLayout(null);
		
		 //-------------菜单
		          //文件
		 displayDialogListener f110=new displayDialogListener(d);
		 exitItem.addActionListener(f110);
		 //----设置小球上限
		 check21.setBounds(0,50,200,25);
		 check22.setBounds(0,75,200,25);
		 check23.setBounds(0,100,200,25);
		 exitDialogListener f116=new exitDialogListener(setDl);
		 exit4.addActionListener(f116);
		 exit4.setBounds(0,125,200,25);
		 setMaxListener f15=new setMaxListener(10);
		 check21.addFocusListener(f15);
		 setMaxListener f11=new setMaxListener(15);
		 check22.addFocusListener(f11);
		 setMaxListener f12=new setMaxListener(20);
		 check23.addFocusListener(f12);
		 setDl.add(check21);
		 setDl.add(check22);
		 setDl.add(check23);
		 setDl.add(exit4);
		 setDl.setLayout(null);
		 setDl.setBounds(500,500,200,200);
		 displayDialogListener f9=new displayDialogListener(setDl);
		 setItem.addActionListener(f9);
		 file.add(setItem);
		 //------------添加菜单分割线
		 file.addSeparator();
		 file.add(exitItem);
         //-----------小组介绍
		 partnerText0.setBounds(110,50,100,40);
		 partnerText1.setBounds(110,100,100,40);
		 partnerText2.setBounds(110,140,100,40);
		 partnerText3.setBounds(110,180,100,40);
		 groupIntroduction.add(partnerText0);
		 groupIntroduction.add(partnerText1);
		 groupIntroduction.add(partnerText2);
		 groupIntroduction.add(partnerText3);
		 exitDialogListener f114=new exitDialogListener(groupIntroduction);
		 exit3.addActionListener(f114);
		 exit3.setBounds(95,220,100,40);//----------------------
		 groupIntroduction.add(exit3);
		 groupIntroduction.setBounds(400,400,300,300);
		 groupIntroduction.setLayout(null);
		 displayDialogListener f111=new displayDialogListener(groupIntroduction);
		 group.addActionListener(f111);
		 //-----------功能介绍
		 exitDialogListener f115=new exitDialogListener(functionIntroduction);
		 exit2.addActionListener(f115);
		 exit2.setBounds(105, 240, 100, 50);
		 guideText0.setBounds(105, 60, 100, 50);
		 guideText1.setBounds(105, 120, 100, 50);
		 guideText2.setBounds(105,180,150,50);
		 functionIntroduction.add(guideText0);
		 functionIntroduction.add(guideText1);
		 functionIntroduction.add(guideText2);
		 functionIntroduction.add(exit2);
		 functionIntroduction.setBounds(400,400,300,300);
		 functionIntroduction.setLayout(null);
		 displayDialogListener f112=new displayDialogListener(functionIntroduction);
		 function.addActionListener(f112);
		 
		 brief.add(group);
		 //-------------添加菜单分割线
		 brief.add(new MenuItem("-"));
		 brief.add(function);
		 help.add(brief);
		 mb.add(file);
		 mb.add(help);
		 
		 frame.setMenuBar(mb);
		 
		//小球数设置上限
		dballmax.setBounds(500,500,300,130);
		exitDialogListener f8=new exitDialogListener(dballmax);
		btnmax.addActionListener(f8);
		dballmax.add(labelmax,BorderLayout.CENTER);
		dballmax.add(btnmax, BorderLayout.SOUTH);
		
		cut.setBounds(45, 150, 100, 30);
		cutListener aCut=new cutListener();
		cut.addActionListener(aCut);
		no.setBounds(165, 150, 100, 30);
		cancelOrCloseListener noListener=new cancelOrCloseListener(cutone);
		no.addActionListener(noListener);
		
		errors.setBounds(95,60,100,30);
		errorExit.setBounds(95, 120, 100, 30);
		cancelOrCloseListener errorListener=new cancelOrCloseListener(error);
		errorExit.addActionListener(errorListener);
		error.add(errors);
		error.add(errorExit);
		error.setLayout(null);
		error.setBounds(400, 400, 300, 200);
		
		
		choice.setBounds(45, 90, 100, 30);
		cutone.add(choice);
		cutone.add(cut);
		cutone.add(no);
		cutone.setLayout(null);
		cutone.setBounds(400, 400, 300, 200);
		
		frame.add(panelLabel,BorderLayout.WEST);
		frame.add(panel,BorderLayout.EAST);
		frame.add(canvas,BorderLayout.CENTER);
		frame.setBounds(80,80,900,800);
		frame.setVisible(true);
	}

public static void main(String[] args) {
		// TODO Auto-generated method stub
		new FirstBall().init();
	}
}

复制代码

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import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Checkbox;
import java.awt.CheckboxGroup;
import java.awt.Color;
import java.awt.Dialog;
import java.awt.Frame;
import java.awt.Label;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.MenuShortcut;
import java.awt.Panel;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.ArrayList;

public class FirstBall {
	Frame frame=new Frame();
	Ball ball;
	MyCanvas canvas=new MyCanvas();
	
	//-------------右侧panel显示按钮信息
	Button btnAdd=new Button("add");
	Button btnClear=new Button("clear"); 
	Button btnStopAndContinue = new Button("cut one");   //随机删除小球按钮 
	Button btnstop=new Button("stop");
	Dialog cutone=new Dialog(frame,"请输入要删除的小球",true);
	TextField choice=new TextField(20);	//输入小球编号
	Button cut=new Button("确定");
	Button no=new Button("取消");
	Dialog error=new Dialog(frame,"ERROR",true);
	Label errors=new Label("错误的小球编号!");
	Button errorExit=new Button("确定");
	Panel panel=new Panel();
	
	//-----------关闭窗口
	Dialog d=new Dialog(frame,"ExitProcess",true);
	Button btnYes=new Button("YES");
	Button btnNo=new Button("NO");
	Button btnCancel=new Button("Cancel");
	Label labelExit=new Label("Exit ?");
	
	//-----------左侧状态栏
	Panel panelLabel=new Panel();
	Label ballk=new Label("小球情况");
	Label[] labels=new Label[20];
	static int BALLNUM=0;
	static int labelNum=0;
	
	//------------菜单
	MenuBar mb=new MenuBar();
	Menu file=new Menu("文件");
	Menu help=new Menu("帮助");
	
	            //文件下的选项
	MenuItem setItem=new MenuItem("设置",new MenuShortcut(KeyEvent.VK_B));
	CheckboxGroup cbg=new CheckboxGroup();
	Checkbox check21=new Checkbox("10",cbg,true);
	Checkbox check22=new Checkbox("15",cbg,false);
	Checkbox check23=new Checkbox("20",cbg,false);
	Dialog setDl=new Dialog(frame,"设置小球上限",true);
	Button exit4=new Button("exit");
	                           //指定使用“CTRL+X"快捷键退出
	MenuItem exitItem=new MenuItem("退出",new MenuShortcut(KeyEvent.VK_X));
	
	    //帮助下的选项
	Menu brief=new Menu("简介");
	MenuItem group=new MenuItem("小组介绍",new MenuShortcut(KeyEvent.VK_A));
	MenuItem function=new MenuItem("功能介绍",new MenuShortcut(KeyEvent.VK_C));
	Dialog groupIntroduction=new Dialog(frame,"小组介绍",true);
	Dialog functionIntroduction=new Dialog(frame,"功能介绍",true);
	
	Label partnerText0=new Label("组名:第九小组");//-------------------------
	Label partnerText1=new Label("组长:李思雨");
	Label partnerText2=new Label("组员:胡   杰");
	Label partnerText3=new Label("组员:曹寅清");
	Label guideText0=new Label("add:增加一个小球");
	Label guideText1=new Label("clear:清除画布");//---------------------
	Label guideText2=new Label("cutone:删除任意编号小球");//-----------------------------
	Button exit2=new Button("exit");
	Button exit3=new Button("exit");
	
	//----------设置小球上限个数并用对话框显示
    static int max=10;
	Dialog dballmax=new Dialog(frame,"Warning!",true);
	Button btnmax=new Button("exit");//--------通用
	Label labelmax=new Label("小球数已经达到上限");
	
	ArrayList<BallThread> thread=new ArrayList<BallThread>();
	
	//-----------监听器内部类
	
	class cutOneListener implements ActionListener{//任意删除一个小球
		
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			 if (btnStopAndContinue.getLabel().equals("cut one")) 
             {  
                 btnStopAndContinue.setLabel("cutting");  
                 btnAdd.setEnabled(false);   //Add按钮不可用  
                 cutone.setVisible(true);
                 
             }  
             else  
             {
             
                 btnStopAndContinue.setLabel("cut one"); 
                 btnAdd.setEnabled(true);    //Add按钮可用  
             }  
		}
	}
	
	class stopListener implements ActionListener{//暂停
		
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			 if (btnstop.getLabel().equals("stop")) 
             {
				 for(BallThread thread0:thread){
					 thread0.stop(true);
	        	 }
                 btnstop.setLabel("continue");  
                 btnAdd.setEnabled(false);   //Add按钮不可用                 
             }  
             else  
             {
            	 for(BallThread thread0:thread){
    				 thread0.stop(false);
            	 }
                 btnstop.setLabel("stop"); 
                 btnAdd.setEnabled(true);    //Add按钮可用  
             }  
		}
	}
	
	class cutListener implements ActionListener{//输入小球编号任意删除一个小球
		int aBallNumber=0;
		boolean nope=false;
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub		
			cutone.setVisible(false);
			try{
			aBallNumber=Integer.valueOf(choice.getText());}
			catch(Exception e1){
				nope=true;
				error.setVisible(true);
			}
			if(!nope)
			{
			if(aBallNumber>thread.size()-1||aBallNumber<0)
				error.setVisible(true);
			else
			{
				thread.get(aBallNumber).setStop(true);
				thread.remove(aBallNumber);
				labels[labelNum]=new Label(" ");
				labels[aBallNumber].setText(" ");
				labelNum--;
				BALLNUM--;
				canvas.deleteThisBall(aBallNumber); 
			}
			}
		}
	}

	
	class addListener implements ActionListener{//add
		Color[] colorArray={Color.blue,Color.CYAN,Color.GREEN,
				Color.magenta,Color.red,Color.yellow,Color.pink,Color.orange,Color.blue};
		
		@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			if(canvas.returnBalls().size()>=max){
				dballmax.setVisible(true);
			}
			else{
			int i=(int)(Math.random()*9);
			labels[labelNum].setBounds(0,50+labelNum*30,100,20);
			panelLabel.add(labels[labelNum]);
			thread.add(new BallThread(colorArray[i],labels[BALLNUM],canvas));
			thread.get(BALLNUM).start();
			BALLNUM++;
			labelNum++;
			}
		}	
	}
	
	class clearListener implements ActionListener{//clear
		public void actionPerformed(ActionEvent e){
			// TODO Auto-generated method stub
			 for(BallThread thread0:thread){
				 thread0.setStop(true);
        	 }
			 canvas.deleteBall();//只是canvas不画小球而已我们看不到，实际小球的进程仍在运行。
			 canvas.repaint();
			 for(int i=0;i<labelNum;i++){
					labels[i].setText("  ");
			 }
			 labelNum=0;
			 BALLNUM=0;
			 thread.removeAll(thread);
		}
	}
	
	class closeWindowListener extends WindowAdapter{//对话框提示是否关闭窗口
		public void windowClosing(WindowEvent e){
			d.setVisible(true);
		}
	}
	
	
	class closeListener implements ActionListener{//对话框里的按钮yes关闭窗口

		@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			System.exit(0);
		}
	}
	class cancelOrCloseListener implements ActionListener{//对话框里的按钮cancel取消关闭窗口/删除任意一个球对话框的关闭
		private Dialog d;
        public cancelOrCloseListener(Dialog d){
        	this.d=d;
        }
		@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			d.setVisible(false);
		}	
	}
	
	class exitDialogListener implements ActionListener{//接口  传值实现通用的监听器：对话框的关闭：小球已达上限对话框/小组成员情况/功能介绍
		private Dialog d;
        public exitDialogListener(Dialog d){
        	this.d=d;
        }
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			d.setVisible(false);
		}		
	}
	
	
	class setMaxListener extends FocusAdapter{//设置小球上限为20/10/15
		private int ballnum;
		public setMaxListener(int ballnum){
			this.ballnum=ballnum;
		}
          public void focusGained(FocusEvent e){
        	 if(max<ballnum)
        	 {
        		 for(int i=max;i<ballnum;i++){
        			 labels[i]=new Label("  ");
        		 }
        	 }
        	 max=ballnum;
          }
	}
	
	class displayDialogListener implements ActionListener{//通用的监听器：小组成员情况介绍+功能介绍
		private Dialog d;
		public displayDialogListener(Dialog d){
			this.d=d;
		}
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			d.setVisible(true);
		}		
	}
	
	public void init(){
		canvas.setBounds(100,0,800,800);
		canvas.addMouseListener(canvas.f6);//鼠标点击画布聚点改变
		canvas.setBackground(Color.white);
	
		//-------------左侧状态栏
		panelLabel.setBounds(5,0,100,800);
		panelLabel.setBackground(Color.red);
		panelLabel.setLayout(null);
		ballk.setBounds(0,0,100,50);
		panelLabel.add(ballk);
		int i=0;
		for(i=0;i<max;i++){
			labels[i]=new Label(" ");
		}
		
		//-------------右侧状态栏
		panel.setBounds(800,0,100,800);
		panel.setBackground(Color.red);
		addListener f1=new addListener();
		btnAdd.addActionListener(f1);
		btnAdd.setBounds(5,60,90,50);
		btnAdd.setBackground(Color.white);
		panel.add(btnAdd);
		clearListener f2=new clearListener();
		btnClear.addActionListener(f2);
		btnClear.setBounds(5,130,90,50);
		btnClear.setBackground(Color.white);
		panel.add(btnClear);
		btnStopAndContinue.setBounds(5,200,90,50);
		cutOneListener f7=new cutOneListener();
		btnStopAndContinue.addActionListener(f7);
		btnStopAndContinue.setBackground(Color.white);
		panel.add(btnStopAndContinue);
		stopListener fl=new stopListener();
		btnstop.addActionListener(fl);
		btnstop.setBounds(5,270,90,50);
		btnstop.setBackground(Color.white);
		panel.add(btnstop);
		panel.setLayout(null);
		
		//-------------关闭窗口显示对话框
		closeWindowListener f3=new closeWindowListener();//按右上角的x显示对话框
		frame.addWindowListener(f3);
		closeListener f4=new closeListener();
		cancelOrCloseListener f5=new cancelOrCloseListener(d);
		labelExit.setBounds(20,50,100,20);
		btnYes.setBounds(100,100,50,20);
		btnYes.addActionListener(f4);
		btnCancel.setBounds(160,100,50,20);
		btnCancel.addActionListener(f5);
		d.setBounds(400,400,250,130);
		d.add(labelExit);
		d.add(btnYes);
		d.add(btnCancel);
		d.setLayout(null);
		
		 //-------------菜单
		          //文件
		 displayDialogListener f110=new displayDialogListener(d);
		 exitItem.addActionListener(f110);
		 //----设置小球上限
		 check21.setBounds(0,50,200,25);
		 check22.setBounds(0,75,200,25);
		 check23.setBounds(0,100,200,25);
		 exitDialogListener f116=new exitDialogListener(setDl);
		 exit4.addActionListener(f116);
		 exit4.setBounds(0,125,200,25);
		 setMaxListener f15=new setMaxListener(10);
		 check21.addFocusListener(f15);
		 setMaxListener f11=new setMaxListener(15);
		 check22.addFocusListener(f11);
		 setMaxListener f12=new setMaxListener(20);
		 check23.addFocusListener(f12);
		 setDl.add(check21);
		 setDl.add(check22);
		 setDl.add(check23);
		 setDl.add(exit4);
		 setDl.setLayout(null);
		 setDl.setBounds(500,500,200,200);
		 displayDialogListener f9=new displayDialogListener(setDl);
		 setItem.addActionListener(f9);
		 file.add(setItem);
		 //------------添加菜单分割线
		 file.addSeparator();
		 file.add(exitItem);
         //-----------小组介绍
		 partnerText0.setBounds(110,50,100,40);
		 partnerText1.setBounds(110,100,100,40);
		 partnerText2.setBounds(110,140,100,40);
		 partnerText3.setBounds(110,180,100,40);
		 groupIntroduction.add(partnerText0);
		 groupIntroduction.add(partnerText1);
		 groupIntroduction.add(partnerText2);
		 groupIntroduction.add(partnerText3);
		 exitDialogListener f114=new exitDialogListener(groupIntroduction);
		 exit3.addActionListener(f114);
		 exit3.setBounds(95,220,100,40);//----------------------
		 groupIntroduction.add(exit3);
		 groupIntroduction.setBounds(400,400,300,300);
		 groupIntroduction.setLayout(null);
		 displayDialogListener f111=new displayDialogListener(groupIntroduction);
		 group.addActionListener(f111);
		 //-----------功能介绍
		 exitDialogListener f115=new exitDialogListener(functionIntroduction);
		 exit2.addActionListener(f115);
		 exit2.setBounds(105, 240, 100, 50);
		 guideText0.setBounds(105, 60, 100, 50);
		 guideText1.setBounds(105, 120, 100, 50);
		 guideText2.setBounds(105,180,150,50);
		 functionIntroduction.add(guideText0);
		 functionIntroduction.add(guideText1);
		 functionIntroduction.add(guideText2);
		 functionIntroduction.add(exit2);
		 functionIntroduction.setBounds(400,400,300,300);
		 functionIntroduction.setLayout(null);
		 displayDialogListener f112=new displayDialogListener(functionIntroduction);
		 function.addActionListener(f112);
		 
		 brief.add(group);
		 //-------------添加菜单分割线
		 brief.add(new MenuItem("-"));
		 brief.add(function);
		 help.add(brief);
		 mb.add(file);
		 mb.add(help);
		 
		 frame.setMenuBar(mb);
		 
		//小球数设置上限
		dballmax.setBounds(500,500,300,130);
		exitDialogListener f8=new exitDialogListener(dballmax);
		btnmax.addActionListener(f8);
		dballmax.add(labelmax,BorderLayout.CENTER);
		dballmax.add(btnmax, BorderLayout.SOUTH);
		
		cut.setBounds(45, 150, 100, 30);
		cutListener aCut=new cutListener();
		cut.addActionListener(aCut);
		no.setBounds(165, 150, 100, 30);
		cancelOrCloseListener noListener=new cancelOrCloseListener(cutone);
		no.addActionListener(noListener);
		
		errors.setBounds(95,60,100,30);
		errorExit.setBounds(95, 120, 100, 30);
		cancelOrCloseListener errorListener=new cancelOrCloseListener(error);
		errorExit.addActionListener(errorListener);
		error.add(errors);
		error.add(errorExit);
		error.setLayout(null);
		error.setBounds(400, 400, 300, 200);
		
		
		choice.setBounds(45, 90, 100, 30);
		cutone.add(choice);
		cutone.add(cut);
		cutone.add(no);
		cutone.setLayout(null);
		cutone.setBounds(400, 400, 300, 200);
		
		frame.add(panelLabel,BorderLayout.WEST);
		frame.add(panel,BorderLayout.EAST);
		frame.add(canvas,BorderLayout.CENTER);
		frame.setBounds(80,80,900,800);
		frame.setVisible(true);
	}

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		new FirstBall().init();
	}
}

MusicThread.java

原始数据复制代码

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

import java.io.FileInputStream;

import sun.audio.AudioPlayer;
import sun.audio.AudioStream;

@SuppressWarnings("restriction")
public class MusicThread extends Thread {
	public void run(){
			try{
				FileInputStream fileau=new FileInputStream("src/bom.wav");
				AudioStream as=new AudioStream(fileau);
				AudioPlayer.player.start(as);
				
			}catch(Exception e){
				e.printStackTrace();
			}
	}
}

MyCanvas.java

原始数据

import java.awt.Canvas;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.ArrayList;

public class MyCanvas extends Canvas{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	class SixthListener extends MouseAdapter{//继承父类    鼠标点击改变小球运动方向
		public void mousePressed(MouseEvent e){
			for(Ball ball:balls){
				ball.changePoint(e.getX(),e.getY());
			}
			repaint();
		}
	}
	SixthListener f6=new SixthListener();
	ArrayList<Ball> balls=new ArrayList<Ball>();
	Ball ball;
	public void paint(Graphics g){
		int i=0;
		for(Ball ball:balls){
			ball.draw(g);
			g.setColor(Color.black);
			g.drawString(" "+i,ball.getX(), ball.getY()); //显示各个小球编号
			ball.setNumber(i);//记录小球编号
			i++;
		}
	}
	public void addBall(Ball ball){//加球
			balls.add(ball);		
	}
	public void deleteBall(){//清空canvas
		balls.clear();
	}
	
	public ArrayList<Ball> returnBalls(){
		return balls;
	}
	
	public void deleteThisBall(int num){
		balls.remove(num);
	}
}

复制代码

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49

import java.awt.Canvas;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.ArrayList;

public class MyCanvas extends Canvas{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	class SixthListener extends MouseAdapter{//继承父类    鼠标点击改变小球运动方向
		public void mousePressed(MouseEvent e){
			for(Ball ball:balls){
				ball.changePoint(e.getX(),e.getY());
			}
			repaint();
		}
	}
	SixthListener f6=new SixthListener();
	ArrayList<Ball> balls=new ArrayList<Ball>();
	Ball ball;
	public void paint(Graphics g){
		int i=0;
		for(Ball ball:balls){
			ball.draw(g);
			g.setColor(Color.black);
			g.drawString(" "+i,ball.getX(), ball.getY()); //显示各个小球编号
			ball.setNumber(i);//记录小球编号
			i++;
		}
	}
	public void addBall(Ball ball){//加球
			balls.add(ball);		
	}
	public void deleteBall(){//清空canvas
		balls.clear();
	}
	
	public ArrayList<Ball> returnBalls(){
		return balls;
	}
	
	public void deleteThisBall(int num){
		balls.remove(num);
	}
}

bom.wav

Simon 2018-01-07 15:18

帅哥，你做的这个是为了干嘛呢？？

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