feat(i18n): initialize vue-i18n for internationalization support

- Added vue-i18n as a dependency.
- Configured vue-i18n in the main application file.
- Created initial locale files with translations.

ui/env.d.ts

@@ -11,3 +11,4 @@ declare module 'katex'
 interface ImportMeta {
   readonly env: ImportMetaEnv
 }
+declare type Recordable<T = any> = Record<string, T>;

ui/src/components/icons/index.ts

@@ -641,6 +641,25 @@ export const iconMap: any = {
       ])
     }
   },
+  'app-translate': {
+    iconReader: () => {
+      return h('svg', {
+        xmlns: "http://www.w3.org/2000/svg",
+        viewBox: "0 0 20 20",
+        fill: "currentColor",
+        class: "w-5 h-5"
+      }, [
+        h('path', {
+          d: "M7.75 2.75a.75.75 0 0 0-1.5 0v1.258a32.987 32.987 0 0 0-3.599.278.75.75 0 1 0 .198 1.487A31.545 31.545 0 0 1 8.7 5.545 19.381 19.381 0 0 1 7 9.56a19.418 19.418 0 0 1-1.002-2.05.75.75 0 0 0-1.384.577 20.935 20.935 0 0 0 1.492 2.91 19.613 19.613 0 0 1-3.828 4.154.75.75 0 1 0 .945 1.164A21.116 21.116 0 0 0 7 12.331c.095.132.192.262.29.391a.75.75 0 0 0 1.194-.91c-.204-.266-.4-.538-.59-.815a20.888 20.888 0 0 0 2.333-5.332c.31.031.618.068.924.108a.75.75 0 0 0 .198-1.487 32.832 32.832 0 0 0-3.599-.278V2.75Z"
+        }),
+        h('path', {
+          "fill-rule": "evenodd",
+          d: "M13 8a.75.75 0 0 1 .671.415l4.25 8.5a.75.75 0 1 1-1.342.67L15.787 16h-5.573l-.793 1.585a.75.75 0 1 1-1.342-.67l4.25-8.5A.75.75 0 0 1 13 8Zm2.037 6.5L13 10.427 10.964 14.5h4.073Z",
+          "clip-rule": "evenodd"
+        })
+      ]);
+    }
+  },
   'app-user': {
     iconReader: () => {
       return h('i', [

ui/src/layout/components/top-bar/index.vue

@@ -11,30 +11,28 @@
       <TopMenu></TopMenu>
     </div>
     <div class="flex-center avatar">
-      <el-tooltip effect="dark" content="项目地址" placement="top">
+      <el-tooltip effect="dark" :content="$t('layout.topbar.github')" placement="top">
-        <AppIcon
+        <AppIcon iconName="app-github" class="cursor color-secondary mr-8 ml-8" style="font-size: 20px"
-          iconName="app-github"
+          @click="toUrl('https://github.com/1Panel-dev/MaxKB')"></AppIcon>
-          class="cursor color-secondary mr-8 ml-8"
-          style="font-size: 20px"
-          @click="toUrl('https://github.com/1Panel-dev/MaxKB')"
-        ></AppIcon>
       </el-tooltip>
-      <el-tooltip effect="dark" content="用户手册" placement="top">
+      <el-tooltip effect="dark" :content="$t('layout.topbar.handbook')" placement="top">
-        <AppIcon
+        <AppIcon iconName="app-reading" class="cursor color-secondary mr-8 ml-8" style="font-size: 20px"
-          iconName="app-reading"
+          @click="toUrl('https://github.com/1Panel-dev/MaxKB/wiki')"></AppIcon>
-          class="cursor color-secondary mr-8 ml-8"
-          style="font-size: 20px"
-          @click="toUrl('https://github.com/1Panel-dev/MaxKB/wiki')"
-        ></AppIcon>
       </el-tooltip>
-      <el-tooltip effect="dark" content="论坛求助" placement="top">
+      <el-tooltip effect="dark" :content="$t('layout.topbar.forum')" placement="top">
-        <AppIcon
+        <AppIcon iconName="app-help" class="cursor color-secondary mr-8 ml-8" style="font-size: 20px"
-          iconName="app-help"
+          @click="toUrl('https://bbs.fit2cloud.com/c/mk/11')"></AppIcon>
-          class="cursor color-secondary mr-16 ml-8"
-          style="font-size: 20px"
-          @click="toUrl('https://bbs.fit2cloud.com/c/mk/11')"
-        ></AppIcon>
       </el-tooltip>
+      <el-dropdown trigger="click" type="primary">
+        <template #dropdown>
+          <el-dropdown-menu>
+            <el-dropdown-item v-for="(lang, index) in langList" :key="index" :value="lang.value"
+              @click="changeLang(lang.value)">{{ lang.label }}</el-dropdown-item>
+          </el-dropdown-menu>
+        </template>
+        <AppIcon iconName="app-translate" class="cursor color-secondary mr-16 ml-8" style="font-size: 20px" @click="">
+        </AppIcon>
+      </el-dropdown>
       <Avatar></Avatar>
     </div>
   </div>
@@ -43,9 +41,15 @@
 import TopMenu from './top-menu/index.vue'
 import Avatar from './avatar/index.vue'
 import { useRouter } from 'vue-router'
+import { langList } from '@/locales/index';
+import { useLocale } from '@/locales/useLocale';
 const router = useRouter()
 const defaultTitle = import.meta.env.VITE_APP_TITLE
 
+const { changeLocale } = useLocale();
+const changeLang = (lang: string) => {
+  changeLocale(lang);
+};
 function toUrl(url: string) {
   window.open(url, '_blank')
 }
@@ -58,6 +62,7 @@ function toUrl(url: string) {
 
   .app-title-container {
     margin-right: 45px;
+
     .app-title-icon {
       background-image: url('@/assets/logo.png');
       background-size: 100% 100%;
@@ -69,6 +74,7 @@ function toUrl(url: string) {
       font-size: 24px;
     }
   }
+
   .line {
     height: 2em;
   }

ui/src/locales/index.ts

@@ -0,0 +1,66 @@
+import { useLocalStorage, usePreferredLanguages } from '@vueuse/core';
+import { computed } from 'vue';
+import { createI18n } from 'vue-i18n';
+
+// 导入语言文件
+const langModules = import.meta.glob('./lang/*/index.ts', { eager: true }) as Record<string, () => Promise<{ default: Object }>>;
+
+const langModuleMap = new Map<string, Object>();
+
+export const langCode: Array<string> = [];
+
+export const localeConfigKey = 'MaxKB-locale';
+
+// 获取浏览器默认语言环境
+const languages = usePreferredLanguages();
+
+// 生成语言模块列表
+const generateLangModuleMap = () => {
+    const fullPaths = Object.keys(langModules);
+    fullPaths.forEach((fullPath) => {
+        const k = fullPath.replace('./lang', '');
+        const startIndex = 1;
+        const lastIndex = k.lastIndexOf('/');
+        const code = k.substring(startIndex, lastIndex);
+        langCode.push(code);
+        langModuleMap.set(code, langModules[fullPath]);
+    });
+};
+
+// 导出 Message
+const importMessages = computed(() => {
+    generateLangModuleMap();
+
+    const message: Recordable = {};
+    langModuleMap.forEach((value: any, key) => {
+        message[key] = value.default;
+    });
+    return message;
+});
+
+export const i18n = createI18n({
+    legacy: false,
+    locale: useLocalStorage(localeConfigKey, 'zh_CN').value || languages.value[0] || 'zh_CN',
+    fallbackLocale: 'zh_CN',
+    messages: importMessages.value,
+    globalInjection: true,
+});
+
+export const langList = computed(() => {
+    if (langModuleMap.size === 0) generateLangModuleMap();
+
+    const list:any=[]
+    langModuleMap.forEach((value: any, key) => {
+        list.push({
+            label: value.default.lang,
+            value: key,
+        });
+    });
+
+    return list;
+});
+
+// @ts-ignore
+export const { t } = i18n.global;
+
+export default i18n;

ui/src/locales/lang/en_US/components/index.ts

@@ -0,0 +1,4 @@
+
+export default {
+
+};

ui/src/locales/lang/en_US/index.ts

@@ -0,0 +1,12 @@
+import en from 'element-plus/es/locale/lang/en';
+import components from './components';
+import layout from './layout';
+import pages from './pages';
+
+export default {
+    lang: 'English',
+    layout,
+    pages,
+    components,
+    en,
+};

ui/src/locales/lang/en_US/layout.ts

@@ -0,0 +1,7 @@
+export default {
+    topbar: {
+        github:"Github",
+        handbook:"Handbook",
+        forum:"Forum"
+    },
+};

ui/src/locales/lang/en_US/pages/index.ts

@@ -0,0 +1,4 @@
+
+export default {
+
+};

ui/src/locales/lang/zh_CN/components/index.ts

@@ -0,0 +1,4 @@
+
+export default {
+
+};

ui/src/locales/lang/zh_CN/index.ts

@@ -0,0 +1,12 @@
+import zhCn from 'element-plus/es/locale/lang/zh-cn';
+import components from './components';
+import layout from './layout';
+import pages from './pages';
+
+export default {
+    lang: '简体中文',
+    layout,
+    pages,
+    components,
+    zhCn,
+};

ui/src/locales/lang/zh_CN/layout.ts

@@ -0,0 +1,7 @@
+export default {
+    topbar: {
+        github:"项目地址",
+        handbook:"用户手册",
+        forum:"论坛求助"
+    },
+};

ui/src/locales/lang/zh_CN/pages/index.ts

@@ -0,0 +1,4 @@
+
+export default {
+
+};

ui/src/locales/useLocale.ts

@@ -0,0 +1,28 @@
+import { useLocalStorage } from '@vueuse/core';
+import { computed } from 'vue';
+import { useI18n } from 'vue-i18n';
+
+import { i18n, langCode, localeConfigKey } from '@/locales/index';
+
+export function useLocale() {
+    const { locale } = useI18n({ useScope: 'global' });
+    function changeLocale(lang: string) {
+        // 如果切换的语言不在对应语言文件里则默认为简体中文
+        if (!langCode.includes(lang)) {
+            lang = 'zh_CN';
+        }
+
+        locale.value = lang;
+        useLocalStorage(localeConfigKey, 'zh_CN').value = lang;
+    }
+
+    const getComponentsLocale = computed(() => {
+        return i18n.global.getLocaleMessage(locale.value).componentsLocale;
+    });
+
+    return {
+        changeLocale,
+        getComponentsLocale,
+        locale,
+    };
+}

ui/src/main.ts

@@ -9,7 +9,7 @@ import directives from '@/directives'
 import App from './App.vue'
 import router from '@/router'
 import Components from '@/components'
-
+import i18n from './locales';
 const app = createApp(App)
 app.use(store)
 app.use(directives)
@@ -24,5 +24,6 @@ app.use(ElementPlus, {
 app.use(theme)
 
 app.use(router)
+app.use(i18n);
 app.use(Components)
 app.mount('#app')