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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style> body{background: #131115;} #c1{background: #fbf7fe;} </style> <script> window.onload=function(){ var oC=document.getElementById(‘c1‘); var oGC=oC.getContext(‘2d‘); setInterval(toDraw,1000); function toDraw(){ var x=200; var y=200; var r=150; oGC.clearRect(0, 0, oC.width,oC.height); var oDte=new Date(); var oHours=oDte.getHours(); var oMin=oDte.getMinutes(); var oSen=oDte.getSeconds(); var oHoursValue=(-90+oHours*30+oMin/2)*Math.PI/180; var oMinValue=(-90+oMin*6)*Math.PI/180; var oSenValue=(-90+oSen*6)*Math.PI/180; oGC.beginPath(); for(var i=0; i<60; i++){ oGC.moveTo(x,y); oGC.arc(x,y,r,6*i*Math.PI/180,6*(i+1)*Math.PI/180,false); } oGC.closePath(); oGC.stroke(); oGC.fillStyle=‘white‘; oGC.beginPath(); oGC.moveTo(x,y); oGC.arc(x,y,r*19/20,0,360*(i+1)*Math.PI/180,false); oGC.closePath(); oGC.fill(); oGC.lineWidth=3; oGC.beginPath(); for(var i=0; i<12; i++){ oGC.moveTo(x,y); oGC.arc(x,y,r,30*i*Math.PI/180,30*(i+1)*Math.PI/180,false); } oGC.closePath(); oGC.stroke(); oGC.fillStyle=‘white‘; oGC.beginPath(); oGC.moveTo(x,y); oGC.arc(x,y,r*18/20,0,360*(i+1)*Math.PI/180,false); oGC.closePath(); oGC.fill(); oGC.lineWidth=3; oGC.beginPath(); oGC.moveTo(x,y); oGC.arc(x,y,r*9/20,oMinValue,oMinValue,false); oGC.closePath(); oGC.stroke(); oGC.lineWidth=1; oGC.beginPath(); oGC.moveTo(x,y); oGC.arc(x,y,r*14/20,oSenValue,oSenValue,false); oGC.closePath(); oGC.stroke(); oGC.lineWidth=4; oGC.beginPath(); oGC.moveTo(x,y); oGC.arc(x,y,r*6/20,oHoursValue,oHoursValue,false); oGC.closePath(); oGC.stroke(); } } </script> </head> <body> <canvas id="c1" width="500" height="500"><!-- 默认宽300; 高150 --> <span>不支持camvas浏览器</span> </canvas> </body> </html>
时间: 2024-10-02 20:24:57