echarts 清除上一次加载的数据
let echarts = require('echarts');
let myChart = echarts.init(document.getElementById('main'));
myChart.clear() // 清除画布
echarts 清除上一次加载的数据
let echarts = require('echarts');
let myChart = echarts.init(document.getElementById('main'));
myChart.clear() // 清除画布