main.js文件
import { createApp } from 'vue'import Cookies from 'js-cookie'import ElementPlus from 'element-plus'
import zhCn from "element-plus/dist/locale/zh-cn"; // 中文语言
import '@/assets/styles/index.scss' // global cssimport App from './App'
import store from './store'
import router from './router'
import directive from './directive' // directive// 注册指令
import plugins from './plugins' // plugins
import { download } from '@/utils/request'// svg图标
import 'virtual:svg-icons-register'
import SvgIcon from '@/components/SvgIcon'
import elementIcons from '@/components/SvgIcon/svgicon'import './permission' // permission controlimport { useDict } from '@/utils/dict'
import { getConfigKey, updateConfigByKey } from "@/api/system/config";
import { parseTime, resetForm, addDateRange, handleTree, selectDictLabel, selectDictLabels } from '@/utils/ruoyi'// 分页组件
import Pagination from '@/components/Pagination'
// 自定义表格工具组件
import RightToolbar from '@/components/RightToolbar'
// 富文本组件
import Editor from "@/components/Editor"
// 文件上传组件
import FileUpload from "@/components/FileUpload"
// 图片上传组件
import ImageUpload from "@/components/ImageUpload"
// 图片预览组件
import ImagePreview from "@/components/ImagePreview"
// 自定义树选择组件
import TreeSelect from '@/components/TreeSelect'
// 字典标签组件
import DictTag from '@/components/DictTag'const app = createApp(App)// 全局方法挂载
app.config.globalProperties.useDict = useDict
app.config.globalProperties.getConfigKey = getConfigKey
app.config.globalProperties.updateConfigByKey = updateConfigByKey
app.config.globalProperties.download = download
app.config.globalProperties.parseTime = parseTime
app.config.globalProperties.resetForm = resetForm
app.config.globalProperties.handleTree = handleTree
app.config.globalProperties.addDateRange = addDateRange
app.config.globalProperties.selectDictLabel = selectDictLabel
app.config.globalProperties.selectDictLabels = selectDictLabels// 全局组件挂载
app.component('DictTag', DictTag)
app.component('Pagination', Pagination)
app.component('TreeSelect', TreeSelect)
app.component('FileUpload', FileUpload)
app.component('ImageUpload', ImageUpload)
app.component('ImagePreview', ImagePreview)
app.component('RightToolbar', RightToolbar)
app.component('Editor', Editor)app.use(router)
app.use(store)
app.use(plugins)
app.use(elementIcons)
app.component('svg-icon', SvgIcon)directive(app)// 使用element-plus 并且设置全局的大小
app.use(ElementPlus, {locale: zhCn,// 支持 large、default、smallsize: Cookies.get('size') || 'default'
})// 修改 el-dialog 默认点击遮照为不关闭
app._context.components.ElDialog.props.closeOnClickModal.default = falseapp.mount('#app')
模板页面index.vue 在项目根目录下，引用了 main.js文件
<!DOCTYPE html>
<html><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><meta name="renderer" content="webkit"><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"><link rel="icon" href="/favicon.ico"><title>数据管理平台</title><style>html,body,#app {height: 100%;margin: 0px;padding: 0px;}</style>
</head><body><div id="app"></div><script type="module" src="/src/main.js"></script>
</body></html>
