//App.vue
<template>
  <div id="app">
    <router-view></router-view>
  </div>
</template>

<script>
export default {
  name: 'app'
}
</script>

<style>
  html,body,#app,#app>*{
    width: 100%;
    height: 100%;
  }
  body{
    font-family: 'Avenir', Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-align: center;
    color: #2c3e50;
    font-size: 16px;
    margin: 0;
    overflow-x: hidden;
  }

  img{
    width: 200px;
  }
</style>

import Vue from 'vue';
Vue.config.productionTip = false;
import App from './App.vue';
//router store 實(shí)例
//這么做是避免狀態(tài)單例
export function createApp() {

  const app = new Vue({
    //掛載router，store
    render: h => h(App)
  })
  //暴露app實(shí)例
  return { app };
}

  src/vue.config.js
  module.exports = {
    css: {
      extract: false//關(guān)閉提取css,不關(guān)閉 node渲染會(huì)報(bào)錯(cuò)
    },
    configureWebpack: () => ({
      entry: './src/entry/client'
    })
  }

  mdkir entry
  cd entry
  創(chuàng)建 入口文件
    client.js 作為客戶端入口文件。
    server,js 作為服務(wù)端端入口文件。 //先創(chuàng)建不做任何配置
  entry/client.js

    import { createApp } from '../main.js';

    const { app } = createApp();

    app.$mount('#app');

/**
 *
 * @method componentPath 路由模塊入口
 * @param {string} name 要引入的文件地址
 * @return {Object}
 */
function componentPath (name = 'home'){
  return {
    component:() => import(`../${name}/index.vue`)
  }
}

export default [
  {
    path: '/home',
    ...componentPath(),
    children: [
      {
        path: "vue",
        name: "vue",
        ...componentPath('home/vue')
      },
      {
        path: "vuex",
        name: "vuex",
        ...componentPath('home/vuex')
      },
      {
        path: "vueCli3",
        name: "vueCli3",
        ...componentPath('home/vueCli3')
      },
      {
        path: "vueSSR",
        name: "vueSSR",
        ...componentPath('home/vueSSR')
      }
    ]

  }
]

//路由總配置
  import Vue from 'vue';
  import VueRouter from 'vue-router';

  Vue.use(VueRouter);
  //為什么采用這種做法。
  //如果以后有了別的大模塊可以單獨(dú)開個(gè)文件夾與pages平級(jí)
  //再這里導(dǎo)入即可。這樣易于管理

  // pages
  import pages from './pages/router';

  export function createRouter() {
    return new VueRouter({
      mode: 'history',
      routes: [
        {
          path: "*",
          redirect: '/home/vue'
        },
        ...pages
      ]
    })
  }

import Vue from 'vue';
Vue.config.productionTip = false;
import App from './App.vue';
+ import { createRouter } from './router.config.js'
//router store 實(shí)例
//這么做是避免狀態(tài)單例
export function createApp() {
+  const router = createRouter()
  const app = new Vue({
+    router,
    render: h => h(App)
  })
  //暴露app,router實(shí)例
  return { app, router };
}

// client.js
import { createApp } from '../main.js';

const { app, router } = createApp();

router.onReady( () => {
  app.$mount('#app');
})