升级到 vue3

src/lang/index.js

@@ -0,0 +1,42 @@
+import zh_cn from './zh-cn.json'
+import zh_tw from './zh-tw.json'
+import en_us from './en-us.json'
+
+const langs = [
+  {
+    name: '简体中文',
+    locale: 'zh-cn',
+    alternate: 'zh-hans',
+    country: 'cn',
+    fallback: true,
+    message: zh_cn,
+  },
+  {
+    name: '繁体中文',
+    locale: 'zh-tw',
+    alternate: 'zh-hk',
+    country: 'cn',
+    message: zh_tw,
+  },
+  {
+    name: 'English',
+    locale: 'en-us',
+    country: 'us',
+    message: en_us,
+  },
+]
+
+const langList = []
+const messages = {}
+langs.forEach(item => {
+  langList.push({
+    name: item.name,
+    locale: item.locale,
+  })
+  messages[item.locale] = item.message
+})
+
+export {
+  langList,
+  messages,
+}