vuejs怎么加载echarts

npm install echarts vue-echarts

import ECharts from 'vue-echarts'import 'echarts/lib/chart/line'Vue.component('chart', ECharts)

<template>  <p class="hello">    <chart ref="chart1" :options="orgOptions" :auto-resize="true"></chart>  </p></template><script>export default {  name: 'HelloWorld',  data () {    return {      orgOptions: {},    }  },  mounted() {    this.orgOptions = {        xAxis: {            type: 'category',            data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']        },        yAxis: {            type: 'value'        },        series: [{            data: [820, 932, 901, 934, 1290, 1330, 1320],            type: 'line',            smooth: true        }]    }  }}    </script>