sw.java

这是一些学生的JAVA课程设计

import java.applet.Applet;
import java.awt.*;
import java.awt.Font;
public class sw extends Applet  implements Runnable

{
 int x=20,y=30,w=160,h=200;
 int x1=40,y1=90,w1=50,h1=20;
 int x2=55,y2=y1,w2=20,h2=h1;
 int x3=110,y3=90,w3=50,h3=20;
 int x4=125,y4=y3,w4=20,h4=h3; 
 int y5=170,h5=10;
 int x6[]={100,90,110,100};
 int y6[]={120,145,145,120};
 String sh1="";
 Font font1=new Font("TimesRoman",Font.BOLD,24);
 int m=1,n=20;

 Thread th1,th2,th3;


  public void start()
{  
   if(th1==null&&th2==null)
    {
	th1=new Thread(this);
	th1.start();
	th2=new Thread(this);
	th2.start();
	th3=new Thread(this);
	th3.start();
	
     }
}

public void run()
{
    Thread current=Thread.currentThread();
    
	while(th1==current)
       { if(((m%2) !=0)&&m<=9)
	{if(y1==100){m=m+1;}
          y1=y1+2;h1=h1-4;
          h2=h1;y2=y1;
          y3=y3+2;h3=h3-4;
          h4=h3;y4=y3;
            
	   repaint();
	   try{
	    th1.sleep(0);}
	   catch(InterruptedException e){}
        }
         if(((m%2)==0)&&m<=10)
          {if(y1==90){m=m+1;}
           y1=y1-2;h1=h1+4;  
           h2=h1;y2=y1;  
           y3=y3-2;h3=h3+4;
           h4=h3;y4=y3;
           
             repaint();
           try{
	    th1.sleep(0);}
	   catch(InterruptedException e){}
	 }
     if(m>10)
      {  try{
           th1.sleep(15000);} 
	   catch(InterruptedException e){}}
   
       }
        while(th2==current)
      { 
        if(((m%2) !=0)&&m>10&&m<=15)
         {if(y5==175){m=m+1;}
            y5=y5+1;h5=h5-2;
        sh1="热 烈 欢 迎 您！";
           repaint();
          try{
           th2.sleep(30);} 
	   catch(InterruptedException e){}
         }
       
       if(((m%2)==0)&&m>11&&m<=16)
         {if(y5==170){m=m+1;}
         sh1="热 烈 欢 迎 您！";
          y5=y5-1;h5=h5+2;
         if(m>16){n=1;sh1="";y3=100;h3=0;} 
           repaint();
          try{
           th2.sleep(30);} 
	   catch(InterruptedException e){}
         }
     if(m>16)
      {  try{
           th1.sleep(15000);} 
	   catch(InterruptedException e){}}

       }
      while(th3==current)
       {
         if(n==1)
         {if(y1==100){n=2;}
          y1=y1+2;h1=h1-4;
          h2=h1;y2=y1;
           y3=y3-2;h3=h3+4;
           h4=h3;y4=y3;
        sh1="眨眨眼 示意您！";
            
	   repaint();
	   try{
	    th3.sleep(30);}
	   catch(InterruptedException e){}
        }
         if(n==2)
          {if(y1==90){n=1;}
           y1=y1-2;h1=h1+4;  
           h2=h1;y2=y1;  
          y3=y3+2;h3=h3-4;
          h4=h3;y4=y3;
          sh1="眨眨眼 示意您！";           
             repaint();
           try{
	    th3.sleep(30);}
	   catch(InterruptedException e){}
	 }
       }
}
  public void paint(Graphics g)
  {g.setColor(new Color(180,180,0));
   g.fillOval(x,y,w,h);
   g.setColor(Color.red);
   g.fillPolygon(x6,y6,4);
   g.setColor(Color.white);
   g.fillOval(x1,y1,w1,h1);
   g.setColor(Color.black);
   g.fillOval(x2,y2,w2,h2);
   g.setColor(Color.white);
   g.fillOval(x3,y3,w3,h3);
   g.setColor(Color.black);
   g.fillOval(x4,y4,w4,h4);
   g.setColor(new Color(100,220,0));
   g.fillRoundRect(25,10,150,60,30,30);
   g.setColor(Color.red);
   g.fillOval(80,y5,40,h5);
   g.setFont(font1);
   g.drawString(sh1,20,250);
   g.setColor(Color.red);
   g.setFont(font1);
   g.drawString(" Swan ",60,50);
   }
}