VUE---利用svg实现圆形进度条功能组件

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/Miracle_Gaaral/article/details/87829456

stroke-dasharray

stroke-dashoffset

<template>
  <div class="progress-circle">
    <svg :width="radius" :height="radius" viewBox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg">
    	<circle class="progress-background" r="50" cx="50" cy="50" fill="transparent" />
    	<circle class="progress-bar" r="50" cx="50" cy="50" fill="transparent" :stroke-dasharray="dashArray" :stroke-dashoffset="dashOffset"/>
    </svg>
    <slot></slot>
  </div>
</template>

<script type="text/ecmascript-6">
	export default {
	  props: {
	  	radius: {
	  		type: Number,
	  		default: 100
	  	},
	  	percent: {
	  		type: Number,
	  		default: 0
	  	}
	  },
	  data(){
	  	return{
	  		dashArray: Math.PI*100
	  	}
	  },
	  computed: {
	  	dashOffset(){
	  		return (1-this.percent)*this.dashArray
	  	}
	  }
	}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
	@import "~common/stylus/variable"

	.progress-circle
		position: relative
		circle
			stroke-width: 8px
			transform-origin: center
			&.progress-background
				transform: scale(0.9)
				stroke: $color-theme-d
			&.progress-bar
				transform: scale(0.9) rotate(-90deg)
				stroke: $color-theme
</style>