vue cli

安装element-ui
npm i element-ui -S
安装yarn
npm i -g yarn
yarn config set sass-binary-site http://npm.taobao.org/mirrors/node-sass
换淘宝源
npm config set registry https://registry.npmmirror.com/
检查
npm config get registry
vue 创建
vue create spark-cli
npm run serve
引入插件，缩小体积
npm install babel-plugin-component -D
修改babel.config.js

js
module.exports = {
    presets: [
        '@vue/cli-plugin-babel/preset', ["@babel/preset-env", { "modules": false }]

    ],
    "plugins": [
        [
            "component",
            {
                "libraryName": "element-ui",
                "styleLibraryName": "theme-chalk"
            }
        ]


    ]

}

引入less解析器
yarn add less@4.1.2
yarn add less-loader@6.0.0
vue组件间status控制：vuex
yarn add vuex@3.6.2
安装axios
yarn add axios
mock.js
生成随机数据，拦截ajax请求
yarn add mockjs
图表使用echarts
yarn add echarts@5.1.2
跨页面
vuex