https://blog.csdn.net/flitrue/article/details/52841338
import $echarts from 'echarts'
import 'echarts/theme/dark.js'
let myChart = $echarts.init(document.getElementById('barEcharts'),'dark')
https://blog.csdn.net/flitrue/article/details/52841338
import $echarts from 'echarts'
import 'echarts/theme/dark.js'
let myChart = $echarts.init(document.getElementById('barEcharts'),'dark')