隐藏饼图的legend，重写legend列表。

因为要实现的饼图效果较复杂，所以，需要重新写列表。

点击右侧列表的圆点，实现隐藏左侧饼图相应环状。

<template><div class="index_div"><a-spin :spinning="aLoading"><scalescreen:width="1920":height="1080":selfAdaption="true"class="scale-wrap"><div class="pieMulBox"><div class="pieMulChart"><div class="pie_mul_box"><div class="innPieBg"><div class="number">{{curStorageRate}}</div></div><div class="pieChart"><pie_mul ref="pie_mul" /></div></div><p style="margin-top: 17px;">当前系统访问率</p></div><div class="pieMulMsg"><ul><li v-for="(item,index) in pieMulData" :key="index" @click="clickPiechart(item, index)"><span>{{item.label}}</span><strong>{{item.value}}</strong></li></ul></div></div></scalescreen></a-spin></div>
</template><script>import { deepClone } from '@/utils/util'import pie_mul from './Analysis/pie_mul'import scalescreen from './Analysis/scale-screen.vue'import { energyStateAnalysis } from '@/api/analysis/index'export default {name: "Analysis",components: {pie_mul,scalescreen},data() {return {aLoading: true,pieMulData: [],hidePieData: [], // 点击隐藏的值showPieData: [] // 点击显示的值}},created() {this.getEnergyStateAnalysis()setTimeout(()=>{this.aLoading = false}, 3000)},methods: {getEnergyStateAnalysis() {energyStateAnalysis().then((res) => {// console.log('energyStateAnalysis', res)if (res.success) {let data = res.resultthis.curStorageRate = data.curStorageRate// let dataList = [//   { value: 62.2, label: "小1" },//   { value: 17.3, label: "基1" },//   { value: 6.2, label: "移1" },//   { value: 9.1, label: "农1" },//   { value: 3.2, label: "三1" },// ];// this.pieMulData = dataList// this.$refs.pie_mul.draw(dataList);if(data.list && data.list.length > 0) {let dataList = []this.$nextTick(() => {data.list.map(v=>{dataList.push({ value: v.cnt, label: v.itemName })});this.pieMulData = dataListthis.showPieData = deepClone(dataList)this.$refs.pie_mul.draw(dataList);})}}})},// 点击饼图旁边的列表，显示和隐藏饼图数据。clickPiechart(item, idx) {const index = this.hidePieData.indexOf(item.label);if (index > -1) {this.hidePieData.splice(index, 1);this.showPieData[idx] = item} else {this.hidePieData.push(item.la