记得给容器宽高 

<div id="leftChartguawang" style="height: 28vh"></div>

 配置函数

javascript">const leftChartguawang = () => {const chartBox = echarts.init(document.getElementById('leftChartguawang'))let datas = [[{ name: '居民节能建筑', value: 20 },{ name: '居民非节能建筑', value: 20 },{ name: '非居民节能建筑', value: 30 },{ name: '非居民非节能建筑', value: 30 }]]const option = {title: {text: '挂网总面积\n \n422.61(万㎡)',left: 'center',top: '40%',textStyle: {color: '#999',fontWeight: 'normal',fontSize: 14}},series: datas.map(function (data, idx) {var top = idx * 50return {type: 'pie',radius: [60, 100],top: top + '%',height: '100%',left: 'center',width: 500,itemStyle: {borderColor: '#fff',borderWidth: 1},label: {alignTo: 'edge',formatter: '{name|{b}}\n{time|{c} %}',minMargin: 5,edgeDistance: 10,lineHeight: 15,rich: {time: {fontSize: 10,color: '#999'}}},labelLine: {length: 15,length2: 0,maxSurfaceAngle: 80},labelLayout: function (params: any) {const isLeft = params.labelRect.x < chartBox.getWidth() / 2const points = params.labelLinePointspoints[2][0] = isLeft ? params.labelRect.x : params.labelRect.x + params.labelRect.widthreturn {labelLinePoints: points}},data: data}})}option && chartBox.setOption(option)window.addEventListener('resize', function () {chartBox.resize()})
}leftChartguawang()