// 依赖使用 npm 方式引入
import Vue from 'vue'
import 'default-passive-events'
import Cookies from 'js-cookie'import 'normalize.css/normalize.css' // a modern alternative to CSS resetsimport Element from 'element-ui' // vue-element-admin-manage 使用的是 2.13.2 版本,现在升级为 2.15.6版本
import './styles/element-variables.scss'
import '@/styles/index.scss' // global cssimport App from './App'
import store from './store'
import router from './router'import './icons' // icon
import './permission' // permission control
import './utils/error-log' // error log
import * as filters from './filters' // global filters
/*** 官方文档:http://www.umyui.com/umycomponent/noticeBefore*/
import UmyUi from 'umy-ui'
// 引入样式
import 'umy-ui/lib/theme-chalk/index.css'
/*** 打印插件 参考地址*/
import Print from 'vue-print-nb'Vue.use(UmyUi)
Vue.use(Print)
// 这是给ElementUI组件库组件设置默认参数
Vue.use(Element, {size: Cookies.get('size') || 'medium', // set element-ui default sizezIndex: 3000
})// register global utility filters
Object.keys(filters).forEach(key => {Vue.filter(key, filters[key])
})Vue.config.productionTip = false
const vueMain = new Vue({el: '#app',router,store,render: h => h(App)
})
export default vueMain
文件: vue.config.js
// CDN资源
const cdn = {externals: {vue: 'Vue','vue-router': 'VueRouter',vuex: 'Vuex',axios: 'axios','element-ui': 'ELEMENT','umy-ui': 'umy-ui', // umy-ui'vue-count-to': 'vue-count-to','vue-i18n': 'vue-i18n','vue-splitpane': 'vue-splitpane','vuedraggable': 'vuedraggable','xlsx': 'xlsx','js-md5': ''},// externals 资源对应 css cdn地址css: ['https://cdn.bootcdn.net/ajax/libs/element-ui/2.15.6/theme-chalk/index.min.css','https://cdn.jsdelivr.net/npm/umy-ui@1.1.6/lib/theme-chalk/index.min.css'],// externals 资源对应 JS cdn地址js: ['https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.min.js','https://cdn.jsdelivr.net/npm/vue-router@3.0.2/dist/vue-router.min.js','https://cdn.jsdelivr.net/npm/vuex@3.1.0/dist/vuex.min.js','https://cdn.jsdelivr.net/npm/axios@0.18.1/dist/axios.min.js','https://cdn.bootcdn.net/ajax/libs/element-ui/2.15.6/index.min.js','https://cdn.jsdelivr.net/npm/umy-ui@1.1.6/lib/index.min.js','https://cdn.jsdelivr.net/npm/vue-count-to@1.0.13/dist/vue-count-to.min.js','https://cdn.jsdelivr.net/npm/vue-i18n@9.2.2/dist/vue-i18n.global.min.js','https://cdn.jsdelivr.net/npm/vue-splitpane@1.0.4/dist/vue-split-pane.min.js','https://cdn.jsdelivr.net/npm/vuedraggable@2.20.0/dist/vuedraggable.umd.min.js','https://cdn.jsdelivr.net/npm/xlsx@0.14.1/dist/xlsx.full.min.js','https://cdn.jsdelivr.net/npm/js-md5@0.7.3/build/md5.min.js']
}module.exports = {publicPath: './',outputDir: 'dist',assetsDir: 'static',lintOnSave: process.env.NODE_ENV === 'development',productionSourceMap: false, // 打包成 web页面 使用,一般建议 false,不然会生成很多map文件chainWebpack(config) {// 引入CDN// webpack需要排除的依赖名称和挂载在window上的对象属性名称config.set('externals', cdn.externals)// 这里的作用是在后面index.html页面中通过link,script标签加载这些cdn链接。config.plugin('html').tap(args => {args[0].cdn = cdnreturn args})}
}
文件: inidex.html
, 一般是在 public 文件夹下
favicon.ico"><%= webpackConfig.name %> <% for (var i in htmlWebpackPlugin.options.cdn && htmlWebpackPlugin.options.cdn.css) { %>" rel="preload" as="style" />" rel="stylesheet" /><% } %><% for (var i in htmlWebpackPlugin.options.cdn && htmlWebpackPlugin.options.cdn.js) { %>" rel="preload" as="script" /><% } %>
<% for (var i in htmlWebpackPlugin.options.cdn && htmlWebpackPlugin.options.cdn.js) { %><% } %>
// 部分 依赖使用 cdn方式引入
import Vue from 'vue'
import 'default-passive-events'
import 'normalize.css/normalize.css' // a modern alternative to CSS resets
import '@/styles/index.scss' // global cssimport App from './App'
import store from './store'
import router from './router'import './icons' // icon
import './permission' // permission control
import './utils/error-log' // error log
import * as filters from './filters' // global filters/*** 打印插件, 没有CDN资源,不使用 CDN引入 参考地址*/
import Print from 'vue-print-nb'
Vue.use(Print)// register global utility filters
Object.keys(filters).forEach(key => {Vue.filter(key, filters[key])
})Vue.config.productionTip = false
const vueMain = new Vue({el: '#app',router,store,render: h => h(App)
})
export default vueMain
请检查 引入的时候 组件名称是否 是 CDN资源中的别名
BootCDN: BootCDN
jsDelivr: jsDelivr