echarts图 宽高自适应

let chartDom = document.getElementById(options.id);
let myChart = echarts.init(chartDom);

// 根据数据计算高度，宽度
let autoHeight = numArr.length * 30; //每个节点高度设为30
let autoWith = numLevel * 180; //每个层级宽度设为180

//重新渲染
myChart.resize({height:autoHeight, width: autoWith});