vue环形进度条组件实例应用

<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 () {
 // 所有进度条的可配置项
 let baseOption = {
 radius: 20,
 strokeWidth: 5,
 outerColor: '#E6E6E6',
 innerColor: '#FFDE00',
 }
 Object.assign(baseOption, this.progressOption)
 // 中心位置自动生成
 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>