Vue 脚手架CLI 初始化项目

npm install webpack -g

# 脚手架3.x（后面拉一个模板就能用2）
npm install -g @vue/cli

vue --version

vue create my-project

npm install -g @vue/cli-init
# `vue init` 的运行效果将会跟 `vue-cli@2.x` 相同
vue init webpack my-project

vue init webpack my-project

npm run build

npm run serve

# 编辑器配置
root = true

[*]
charset = utf-8
indent_style = space
indent_size = 2
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true

// https://eslint.org/docs/user-guide/configuring
// eslint是用来管理和检测js代码风格的工具，可以和编辑器搭配使用，
// 如vscode的eslint插件 当有不符合配置文件内容的代码出现就会报错或者警告

module.exports = {
  root: true,
  parserOptions: {
    parser: 'babel-eslint'
  },
  env: {
    browser: true,
  },
  extends: [
    // https://github.com/vuejs/eslint-plugin-vue#priority-a-essential-error-prevention
    // consider switching to `plugin:vue/strongly-recommended` or `plugin:vue/recommended` for stricter rules.
    'plugin:vue/essential',
    // https://github.com/standard/standard/blob/master/docs/RULES-en.md
    // 'standard'
  ],
  // required to lint *.vue files
  plugins: [
    'vue'
  ],
  // add your custom rules here
  rules: {
    "no-unused-vars": 'off',  // 关掉语法检查
    // allow async-await
    'generator-star-spacing': 'off',
    // allow debugger during development
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off'
  }
}

vue create my-project

"dependencies": {
    // 修改下面
    "vue": "^2.6.11",
},
"devDependencies": {
    // 修改下面
    "vue-template-compiler": "^2.6.11"
}

import Vue from 'vue'
import App from './App.vue'
import router from './router'

// 饿了么
import ElementUI from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css';

Vue.use(ElementUI);

Vue.config.productionTip = false

new Vue({
  router,
  render: h => h(App),
}).$mount('#app')

import Vue from 'vue'
import VueRouter from 'vue-router'

// import Test from "../views/Test";

Vue.use(VueRouter)

const routes = [
  //  component: () => import('../views/Ajax.vue')
  {
    path: '/',
    name: 'Test',
    component: () => import('../views/Test.vue')
  }
]

const router = new VueRouter({
  // mode: 'history',
  base: process.env.BASE_URL,
  routes
})

export default router

npm install --save vue-router

npm install --save axios

npm i element-ui -S
npm install --save element-ui

npm install echarts --save