<template> <svg :height="option.size" :width="option.size" x-mlns="http://www.w3.org/200/svg">  <circle   :r="option.radius"   :cx="option.cx"   :cy="option.cy"   :stroke="option.outerColor"   :stroke-width="option.strokeWidth"   fill="none"   stroke-linecap="round"/>  <circle   id="progressRound"   :stroke-dasharray="completenessHandle"   :r="option.radius"   :cx="option.cx"   :cy="option.cy"   :stroke-width="option.strokeWidth"   :stroke="option.innerColor"   fill="none"   class="progressRound"  /> </svg></template><script>export default { name: 'CommonLoopProgress', props: {  completeness: {   type: Number,   required: true,  },  progressOption: {   type: Object,   default: () => {},  }, }, data () {  return {  } }, computed: {  completenessHandle () {   let circleLength = Math.floor(2 * Math.PI * this.option.radius)   let completenessLength = this.completeness * circleLength   return `${completenessLength},100000000`  },  option () {   // 所有進度條的可配置項   let baseOption = {    radius: 20,    strokeWidth: 5,    outerColor: '#E6E6E6',    innerColor: '#FFDE00',   }   Object.assign(baseOption, this.progressOption)   // 中心位置自動生成   baseOption.cy = baseOption.cx = baseOption.radius + baseOption.strokeWidth   baseOption.size = (baseOption.radius + baseOption.strokeWidth) * 2   return baseOption  }, },}</script><style scoped lang='stylus'>@import '~stylus/_variables.styl';@import '~stylus/_mixins.styl';.progressRound { transform-origin: center; transform: rotate(-90deg); transition: stroke-dasharray 0.3s ease-in;}</style>