在Vue中如何实现循环渲染多个相同echarts图表

<template>
 <div class="projectCost">
 <div class="container">
  <div class="wrapper" v-for="(item,index) in list" :key="index"> 
  <div class="roseChart"></div> // 使用class,不是id
  </div>
 </div>
 </div>
</template>

<script>
export default {
 data(){
 return {
  list:[ // 假数据
  {
   id:1,
   price:{
   name:'项目一',
   resData:[
    {name:'订购费用',value:12},
    {name:'饲养费用',value:18},
    {name:'实验费用',value:8},
    {name:'其他费用',value:10},
   ]
   }
  },{
   id:2,
   price:{
   name:'项目二',
   resData:[
    {name:'订购费用',value:18},
    {name:'饲养费用',value:10},
    {name:'实验费用',value:20},
    {name:'其他费用',value:9},
   ]
   }
  }
  ]
 }
 },
 methods:{
 drawRose(){
  var echarts = require("echarts");
  var roseCharts = document.getElementsByClassName('roseChart'); // 对应地使用ByClassName
  for(var i = 0;i < roseCharts.length;i++ ){ // 通过for循环，在相同class的dom内绘制元素
  var myChart = echarts.init(roseCharts[i]);
  myChart.setOption({
   color: ["#4DFFFD", "#7B3FF6", "#1F6DFE", "#34A6FE"],
   title: {
   text: this.list[i].price.name,
   left: '70',
   top: 5,
   textStyle: {
    color: '#4DFFFD',
    fontSize: 14,
   }
   },
   tooltip: {
   trigger: 'item',
   formatter: "{b} : {c} ({d}%)"
   },
   legend: {
   type: "scroll",
   orient: "vartical",
   top: "center",
   right: '0px',
   itemWidth: 16,
   itemHeight: 8,
   itemGap: 16,
   textStyle: {
    color: '#FFFFFF',
    fontSize: 12,
   },
   data: ['订购费用', '饲养费用', '实验费用', '其他费用']
   },
   polar: {
   center:['36%','56%'],
   },
   angleAxis: {
   interval: 3, // 强制设置坐标轴分割间隔
   type: 'category',
   z: 10,
   axisLine: {show: false},
   axisLabel: {show: false},
   },
   radiusAxis: {
   min: 10,
   max: 1000,
   interval: 200,
   axisLine: {show: false},
   axisLabel: {show: false},
   splitLine: {
    lineStyle: {
    color: "#2277C3",
    width: 1,
    type: "solid"
    }
   }
   },
   calculable: true,
   series: [
   {
    type: 'pie',
    radius: ["10%", "14%"],
    center:['36%','56%'],
    hoverAnimation: false,
    labelLine: {show: false},
    data: [{
    value: 0,
    itemStyle: {
     normal: {
     color: "#809DF5"
     }
    }
    }]
   },{
    stack: 'a',
    type: 'pie',
    radius: ['20%', '80%'],
    center:['36%','56%'],
    roseType: 'area',
    zlevel:10,
    label: {show: false},
    labelLine: {show: false},
    data: this.list[i].price.resData // 渲染每个图表对应的数据
   }]
  	})
  }
 }
 },
 mounted(){
 this.drawRose()
 }
}
</script>

<style lang="scss" scoped>
.projectCost{
 margin-left: 40px;
 .container{
 display: flex;
 width: 680px;
 height: 240px;
 background-size: 100% 100%;
 // background-image: url('../../../assets/images/projectTest/costDetail.png');
 .wrapper{
  margin-top: 20px;
  width: 340px;
  height:180px;
  border-right: 1px solid #0B61B3;
  .roseChart{
  width: 260px;
  height:180px;
  }
 }
 }
}
</style>

function darwChart(id, monitorItemData, monitorItemDecimal,oiltime) {
 ...
 var chartid = "chart_" + id;
 chartid = echarts.init(dom);
 chartid.setOption(option={...})
 myCharts.push(chartid);
 ...
}

function gettimeradio(){
 var rr = $('input:radio[name="r2"]:checked').attr('id');
 Xmin = getDateTime(rr);
 Xmax = getDateTime(0);
 myCharts = Array.from(new Set(myCharts));
 myCharts.forEach(data=>{
  var chart = data.getOption();
  chart.xAxis[0].min =Xmin ;
  chart.xAxis[0].max =Xmax ;
  data.setOption(chart); 
 })
}