详解微信小程序——自定义圆形进度条

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  cxt_arc.setStrokeStyle('#d2d2d2'); 
  cxt_arc.setLineCap('round') 
  cxt_arc.beginPath();//开始一个新的路径 
  cxt_arc.arc(106, 106, 100, 0, 2Math.PI, false);//设置一个原点(106,106)，半径为100的圆的路径到当前路径 
  cxt_arc.stroke();//对当前路径进行描边 
   
  cxt_arc.setLineWidth(6); 
  cxt_arc.setStrokeStyle('#3ea6ff'); 
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  cxt_arc.beginPath();//开始一个新的路径 
  cxt_arc.arc(106, 106, 100, -Math.PI  1 / 2, Math.PI6/5, false); 
  cxt_arc.stroke();//对当前路径进行描边 
 
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  <view class="">中间</view> 
 
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