循环遍历图表 

index.vue主页面

  <view v-if="powerPage"><view v-for="(item, index) in powerDetailsData.addMap" :key="index"><PowerEChartsCity:echartData="powerDetailsData.addMap[index]"></PowerEChartsCity></view></view> 

子页面子组件

  props: {echartData: {type: Array,default: () => {return [];},},},watch: {echartData: {handler(newValue, oldValue) {this.echartDataList=newValue;this.echart();},},deep: true,immediate: true,},