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📄 表针式时钟.htm

📁 JavaScript编程实例
💻 HTM
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<html>
  <head>
    <title>表针式时钟</title>
    <script language=javascript>
    <!--
     pX=100
     pY=70
     pointer=new Array(13)
     
     function pt()
     {
       for(i=0;i<13;i++)
       {
         if(document.all)
           pointer[i]=new Array(eval('pt'+i).style,-100,-100)
         else
           pointer[i]=new Array(eval('document.pt'+i),-100,-100)
       }
     }

     function cl(a,b,c)
     {
       if(document.all)
       {
         if(a!=0) b+=-1
         eval('c'+a+'.style.pixelTop='+(pY+(c)))
         eval('c'+a+'.style.pixelLeft='+(pX+(b)))
       }
       else
       {
         if (a!=0) b+=10
         eval('document.c'+a+'.top='+(pY+(c)))
         eval('document.c'+a+'.left='+(pX+(b)))
       }
       if (document.all) 
         c0.style.pixelLeft=26
     } 

     function runClock()
     {
       for(i=0; i<13; i++)
       {
         pointer[i][0].left=pointer[i][1]+pX
         pointer[i][0].top=pointer[i][2]+pY
       }
     } 

     var lastsec

     function timer()
     {
       time=new Date()
       sec=time.getSeconds()
       if(sec!=lastsec)
       { 
         lastsec=sec
         sec=Math.PI*sec/30
         min=Math.PI*time.getMinutes()/30
         hr =Math.PI*((time.getHours()*60)+time.getMinutes())/360
         for(i=1;i<6;i++)
         {
           pointer[i][1]=Math.sin(sec)*(44-(i-1)*11)-16;
           if(document.layers) pointer[i][1]+=10;
           pointer[i][2]=-Math.cos(sec)*(44-(i-1)*11)-27;
         }
         for(i=6;i<10;i++)
         {
           pointer[i][1]=Math.sin(min)*(40-(i-6)*10)-16;
           if(document.layers) pointer[i][1]+=10;
           pointer[i][2]=-Math.cos(min)*(40-(i-6)*10)-27;
         }
         for(i=10;i<13;i++)
         {
           pointer[i][1]=Math.sin(hr)*(37-(i-10)*11)-16;
           if(document.layers) pointer[i][1]+=10;
           pointer[i][2]=-Math.cos(hr)*(37-(i-10)*11)-27;
         }
       } 
     }

     function setNum()
     { 
       cl (0,-67,-65);
       cl (1,10,-51);
       cl (2,28,-33);
       cl (3,35,-8);
       cl (4,28,17);
       cl (5,10,35);
       cl (6,-15,42);
       cl (7,-40,35);
       cl (8,-58,17);
       cl (9,-65,-8);
       cl (10,-58,-33);
       cl (11,-40,-51);
       cl (12,-16,-56); 
     } 
    //--> 
    </script> 
  </head>

  <body bgcolor="#fef4d9" onLoad="pt(),setNum(),setInterval('timer()',100);setInterval('runClock()',100)">
    <div id="c0" style="position:absolute;right:6;top:6; z-index:2;"> </div>
    <div id="c1" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>1</b></div>
    <div id="c2" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>2</b></div>
    <div id="c3" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>3</b></div>
    <div id="c4" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>4</b></div>
    <div id="c5" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>5</b></div>
    <div id="c6" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>6</b></div>
    <div id="c7" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>7</b></div>
    <div id="c8" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>8</b></div>
    <div id="c9" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>9</b></div>
    <div id="c10" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>10</b></div>
    <div id="c11" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>11</b></div>
    <div id="c12" style="position:absolute;left:20;top:-20; z-index:5;font-size:11px;"><b>12</b></div>
    <div id="pt0" style="position:absolute;left:-20;top:-20;z-index:1"> </div>
    <div id="pt1" style="position:absolute;left:-20;top:-20;z-index:8"> <font size="+3" color="#0000FF"><b>.</b></font></div>
    <div id="pt2" style="position:absolute;left:-20;top:-20;z-index:8"> <font size="+3" color="#0000FF"><b>.</b></font></div>
    <div id="pt3" style="position:absolute;left:-20;top:-20;z-index:8"> <font size="+3" color="#0000FF"><b>.</b></font></div>
    <div id="pt4" style="position:absolute;left:-20;top:-20;z-index:8"> <font size="+3" color="#0000FF"><b>.</b></font></div>
    <div id="pt5" style="position:absolute;left:-20;top:-20;z-index:8"> <font size="+3" color="#0000FF"><b>.</b></font></div>
    <div id="pt6" style="position:absolute;left:-20;top:-20;z-index:7"> <font size="+3" color="#00FFFF"><b>.</b></font></div>
    <div id="pt7" style="position:absolute;left:-20;top:-20;z-index:7"> <font size="+3" color="#00FFFF"><b>.</b></font></div>
    <div id="pt8" style="position:absolute;left:-20;top:-20;z-index:7"> <font size="+3" color="#00FFFF"><b>.</b></font></div>
    <div id="pt9" style="position:absolute;left:-20;top:-20;z-index:7"> <font size="+3" color="#00FFFF"><b>.</b></font></div>
    <div id="pt10" style="position:absolute;left:-20;top:-20;z-index:6"> <font size="+3" color="#F30000"><b>.</b></font></div>
    <div id="pt11" style="position:absolute;left:-20;top:-20;z-index:6"> <font size="+3" color="#F30000"><b>.</b></font></div>
    <div id="pt12" style="position:absolute;left:-20;top:-20;z-index:6"> <font size="+3" color="#F30000"><b>.</b></font></div>
  </body>
</html>

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