chore: optimize the i18n code of router; 🌟

src/components/menu/SideMenu.vue

@@ -6,17 +6,16 @@
         <h1>{{systemName}}</h1>
       </router-link>
     </div>
-    <i-menu @i18nComplete="setRoutesI18n" :i18n="menuI18n" :theme="theme" :collapsed="collapsed" :options="menuData" @select="onSelect" class="menu"/>
+    <i-menu :theme="theme" :collapsed="collapsed" :options="menuData" @select="onSelect" class="menu"/>
   </a-layout-sider>
 </template>
 
 <script>
 import IMenu from './menu'
-import {mapState, mapMutations} from 'vuex'
+import {mapState} from 'vuex'
 export default {
   name: 'SideMenu',
   components: {IMenu},
-  inject: ['menuI18n'],
   props: {
     collapsible: {
       type: Boolean,
@@ -47,8 +46,7 @@ export default {
   methods: {
     onSelect (obj) {
       this.$emit('menuSelect', obj)
-    },
-    ...mapMutations('setting', ['setRoutesI18n'])
+    }
   }
 }
 </script>

src/components/menu/menu.js

@@ -31,7 +31,6 @@
  **/
 import Menu from 'ant-design-vue/es/menu'
 import Icon from 'ant-design-vue/es/icon'
-import '@/utils/Objects'
 
 const {Item, SubMenu} = Menu
 
@@ -78,21 +77,15 @@ export default {
       return this.theme == 'light' ? this.theme : 'dark'
     }
   },
-  beforeMount() {
-    let CN = this.generateI18n(new Object(), this.options, 'name')
-    let US = this.generateI18n(new Object(), this.options, 'path')
-    this.$i18n.setLocaleMessage('CN', CN)
-    this.$i18n.setLocaleMessage('US', US)
-    if(this.i18n) {
-      Object.keys(this.i18n).forEach(key => {
-        this.$i18n.mergeLocaleMessage(key, this.i18n[key])
-      })
-    }
-    this.$emit('i18nComplete', this.$i18n._getMessages())
-  },
   created () {
     this.updateMenu()
-    this.formatOptions(this.options, '')
+    // 自定义国际化配置
+    if(this.i18n && this.i18n.messages) {
+      const messages = this.i18n.messages
+      Object.keys(messages).forEach(key => {
+        this.$i18n.mergeLocaleMessage(key, messages[key])
+      })
+    }
   },
   watch: {
     collapsed (val) {
@@ -198,16 +191,6 @@ export default {
         return this.getSelectedKey(route.parent)
       }
       return route.path
-    },
-    generateI18n(lang, options, valueKey) {
-      options.forEach(menu => {
-        let keys = menu.fullPath.substring(1).split('/').concat('name')
-        lang.assignProps(keys, menu[valueKey])
-        if (menu.children) {
-          this.generateI18n(lang, menu.children, valueKey)
-        }
-      })
-      return lang
     }
   },
   render (h) {

src/layouts/AdminLayout.vue

@@ -50,8 +50,7 @@ export default {
   },
   provide() {
     return{
-      layoutMinHeight: minHeight,
-      menuI18n: require('@/router/i18n').default
+      layoutMinHeight: minHeight
     }
   },
   computed: {

src/layouts/PageLayout.vue

@@ -1,6 +1,6 @@
 <template>
   <div class="page-layout">
-    <page-header :i18n="routesI18n" :breadcrumb="breadcrumb" :title="pageTitle" :logo="logo" :avatar="avatar">
+    <page-header :breadcrumb="breadcrumb" :title="pageTitle" :logo="logo" :avatar="avatar">
       <slot name="action"  slot="action"></slot>
       <slot slot="content" name="headerContent"></slot>
       <div slot="content" v-if="!this.$slots.headerContent && desc">
@@ -37,14 +37,10 @@ export default {
     }
   },
   created() {
-    let i18n = this.routesI18n
-    Object.keys(i18n).forEach(key => {
-      this.$i18n.mergeLocaleMessage(key, i18n[key])
-    })
     this.page = this.$route.meta.page
   },
   computed: {
-    ...mapState('setting', ['layout', 'routesI18n']),
+    ...mapState('setting', ['layout']),
     pageTitle() {
       let pageTitle = this.page && this.page.title
       return this.title || this.$t(pageTitle) || this.routeName

src/layouts/PageView.vue

@@ -26,7 +26,7 @@ export default {
     }
   },
   computed: {
-    ...mapState('setting', ['isMobile', 'multiPage', 'animate', 'routesI18n', 'dustbins']),
+    ...mapState('setting', ['isMobile', 'multiPage', 'animate', 'dustbins']),
     desc() {
       return this.page.desc
     },

src/layouts/header/AdminHeader.vue

@@ -8,7 +8,7 @@
       <a-divider v-if="isMobile" type="vertical" />
       <a-icon v-if="layout === 'side'" class="trigger" :type="collapsed ? 'menu-unfold' : 'menu-fold'" @click="toggleCollapse"/>
       <div v-if="layout == 'head' && !isMobile" class="admin-header-menu">
-        <i-menu class="head-menu" style="height: 64px; line-height: 64px;box-shadow: none" @i18nComplete="setRoutesI18n" :i18n="menuI18n" :theme="headerTheme" mode="horizontal" :options="menuData" @select="onSelect"/>
+        <i-menu class="head-menu" style="height: 64px; line-height: 64px;box-shadow: none" :theme="headerTheme" mode="horizontal" :options="menuData" @select="onSelect"/>
       </div>
       <div :class="['admin-header-right', headerTheme]">
           <header-search class="header-item" />
@@ -43,7 +43,6 @@ export default {
   name: 'AdminHeader',
   components: {IMenu, HeaderAvatar, HeaderNotice, HeaderSearch},
   props: ['collapsed', 'menuData'],
-  inject: ['menuI18n'],
   data() {
     return {
       langList: [
@@ -73,7 +72,7 @@ export default {
     onSelect (obj) {
       this.$emit('menuSelect', obj)
     },
-    ...mapMutations('setting', ['setLang', 'setRoutesI18n'])
+    ...mapMutations('setting', ['setLang'])
   }
 }
 </script>

src/layouts/tabs/TabsView.vue

@@ -44,7 +44,7 @@ export default {
     }
   },
   computed: {
-    ...mapState('setting', ['multiPage', 'animate', 'layout', 'dustbins', 'routesI18n']),
+    ...mapState('setting', ['multiPage', 'animate', 'layout', 'dustbins']),
     menuItemList() {
       return [
         { key: '1', icon: 'vertical-right', text: this.$t('closeLeft') },
@@ -57,10 +57,6 @@ export default {
     const route = this.$route
     this.pageList.push(route)
     this.activePage = route.fullPath
-    let i18n = this.routesI18n
-    Object.keys(i18n).forEach(key => {
-      this.$i18n.mergeLocaleMessage(key, i18n[key])
-    })
   },
   watch: {
     '$route': function (newRoute) {

src/main.js

@@ -7,22 +7,15 @@ import Viser from 'viser-vue'
 import '@/mock'
 import store from './store'
 import 'animate.css/source/animate.css'
-import VueI18n from 'vue-i18n'
 import Plugins from '@/plugins'
+import {initI18n} from '@/utils/i18n'
 
 Vue.config.productionTip = false
 Vue.use(Viser)
 Vue.use(Antd)
-Vue.use(VueI18n)
 Vue.use(Plugins)
 
-
-
-const i18n = new VueI18n({
-  locale: 'CN',
-  fallbackLocale: 'US',
-  silentFallbackWarn: true
-})
+const i18n = initI18n(router, 'CN', 'US')
 
 new Vue({
   router,

src/mock/extend/index.js

@@ -16,11 +16,15 @@ const timeList = [
     CN: '中午好',
     HK: '中午好',
     US: 'Good afternoon',
+  },{
+    CN: '下午好',
+    HK: '下午好',
+    US: 'Good afternoon',
   },{
     CN: '晚上好',
     HK: '晚上好',
     US: 'Good evening',
-  },
+  }
 ]
 
 const welcomeMessages = [
@@ -56,7 +60,8 @@ Random.extend({
   timeFix () {
     const time = new Date()
     const hour = time.getHours()
-    return hour < 9 ? timeList[0] : (hour <= 11 ? timeList[1] : (hour <= 13 ? timeList[2] : (hour <= 20 ? timeList[3] : timeList[4])))
+    return hour < 9
+      ? timeList[0] : (hour <= 11 ? timeList[1] : (hour <= 13 ? timeList[2] : (hour <= 20 ? timeList[3] : timeList[4])))
   },
   avatar () {
     return this.pick(avatars)

src/router/i18n.js

@@ -1,4 +1,5 @@
-export default {
+module.exports = {
+  messages: {
     CN: {
       home: {name: '首页'},
     },
@@ -53,3 +54,4 @@ export default {
       }
     }
   }
+}

src/store/modules/setting.js

@@ -6,7 +6,6 @@ export default {
     isMobile: false,
     animates: ADMIN.animates,
     palettes: ADMIN.palettes,
-    routesI18n: {},
     dustbins: [],
     ...config,
   },
@@ -38,9 +37,6 @@ export default {
     setLang(state, lang) {
       state.lang = lang
     },
-    setRoutesI18n(state, i18n) {
-      state.routesI18n = i18n
-    },
     setHideSetting(state, hideSetting) {
       state.hideSetting = hideSetting
     },

src/utils/i18n.js

@@ -0,0 +1,67 @@
+import Vue from 'vue'
+import VueI18n from 'vue-i18n'
+import routesI18n from '@/router/i18n'
+import './Objects'
+
+/**
+ * 创建 i18n 配置
+ * @param router 路由
+ * @param locale 本地化语言
+ * @param fallback 回退语言
+ * @returns {VueI18n}
+ */
+function initI18n(router, locale, fallback) {
+  Vue.use(VueI18n)
+  const options = router.options.routes.find(item => item.path === '/').children
+  formatOptions(options, '')
+  const CN = generateI18n(new Object(), options, 'name')
+  const US = generateI18n(new Object(), options, 'path')
+  const i18n = new VueI18n({
+    locale,
+    fallbackLocale: fallback,
+    silentFallbackWarn: true,
+    messages: {CN, US}
+  })
+  const messages = routesI18n.messages
+  Object.keys(messages).forEach(key => {
+    i18n.mergeLocaleMessage(key, messages[key])
+  })
+  return i18n
+}
+
+/**
+ * 根据 router options 配置生成 国际化语言
+ * @param lang
+ * @param options
+ * @param valueKey
+ * @returns {*}
+ */
+function generateI18n(lang, options, valueKey) {
+  options.forEach(menu => {
+    let keys = menu.fullPath.substring(1).split('/').concat('name')
+    lang.assignProps(keys, menu[valueKey])
+    if (menu.children) {
+      generateI18n(lang, menu.children, valueKey)
+    }
+  })
+  return lang
+}
+
+/**
+ * 格式化 router options，生成 fullPath
+ * @param options
+ * @param parentPath
+ */
+function formatOptions(options, parentPath) {
+  options.forEach(route => {
+    let isFullPath = route.path.substring(0, 1) === '/'
+    route.fullPath = isFullPath ? route.path : parentPath + '/' + route.path
+    if (route.children) {
+      formatOptions(route.children, route.fullPath)
+    }
+  })
+}
+
+export {
+  initI18n
+}