一、去插件市场下载插件:https://ext.dcloud.net.cn/plugin?id=271
二、把components和static里面的文件复制到自己的项目中
三、使用:
<template>
<view class="qiun-columns">
<view class="qiun-charts" >
<!--#ifdef MP-ALIPAY -->
<canvas canvas-id="canvasRing" id="canvasRing" class="charts" :style="{'width':cWidth*pixelRatio+'px','height':cHeight*pixelRatio+'px', 'transform': 'scale('+(1/pixelRatio)+')','margin-left':-cWidth*(pixelRatio-1)/2+'px','margin-top':-cHeight*(pixelRatio-1)/2+'px'}" @touchstart="touchRing"></ca