npm install echarts --save

yarn add echarts

//安装淘宝镜像
npm install -g cnpm --registry=https://registry.npm.taobao.org

//从淘宝镜像下载
cnpm install echarts -S

//引入
var echarts = require('echarts');

// 基于准备好的dom，初始化echarts实例
var myChart = echarts.init(document.getElementById('main'));

// 绘制图表
myChart.setOption({
 title: {
 text: 'ECharts 入门示例'
 },
 tooltip: {},
 xAxis: {
 data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
 },
 yAxis: {},
 series: [{
 name: '销量',
 type: 'bar',
 data: [5, 20, 36, 10, 10, 20]
 }]
});

//引入
import echarts from 'echarts'

Vue.prototype.$echarts = echarts

Home.vue //需要使用的页面

//基于准备好的dom，初始化echarts实例
var myChart = this.$echarts.init(document.getElementById('main'));

// 绘制图表
myChart.setOption({
 title: {
 text: 'ECharts 入门示例'
 },
 tooltip: {},
 xAxis: {
 data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
 },
 yAxis: {},
 series: [{
 name: '销量',
 type: 'bar',
 data: [5, 20, 36, 10, 10, 20]
 }]
});

// 引入 ECharts 主模块
var echarts = require('echarts/lib/echarts');
// 引入柱状图
require('echarts/lib/chart/bar');
// 引入提示框和标题组件
require('echarts/lib/component/tooltip');
require('echarts/lib/component/title');

import * as echarts from 'echarts/lib/echarts';
// 引入 echarts 主模块。
import 'echarts/lib/echarts'
// 引入柱形图
import 'echarts/lib/chart/bar'
// 引入柱形图
import 'echarts/lib/chart/pie'
//// 引入提示框组件、标题组件、工具箱、legend组件。
import 'echarts/lib/component/tooltip'
import 'echarts/lib/component/title'
import 'echarts/lib/component/toolbox'
import 'echarts/lib/component/legend'

Vue.prototype.$echarts =echarts;

<div id="main"></div>
this.$echarts.init(document.getElementById('main'))

<div ref="main"></div>
this.$echarts.init(this.$refs.main)
或
this.$echarts.init(this.$refs['main'])