添加i18n

i18n/request.ts

@@ -0,0 +1,16 @@
+import {getRequestConfig} from 'next-intl/server';
+ 
+export default getRequestConfig(async ({requestLocale}) => {
+  // This typically corresponds to the `[locale]` segment
+  let locale = await requestLocale;
+ 
+  // Ensure that a valid locale is used
+  if (!locale || !['en', 'zh', 'ja'].includes(locale)) {
+    locale = 'zh';
+  }
+ 
+  return {
+    locale,
+    messages: (await import(`../messages/${locale}.json`)).default
+  };
+});

i18n/routing.ts

@@ -0,0 +1,15 @@
+import {defineRouting} from 'next-intl/routing';
+import {createNavigation} from 'next-intl/navigation';
+ 
+export const routing = defineRouting({
+  // A list of all locales that are supported
+  locales: ['en', 'zh', 'ja'],
+ 
+  // Used when no locale matches
+  defaultLocale: 'zh'
+});
+ 
+// Lightweight wrappers around Next.js' navigation APIs
+// that will consider the routing configuration
+export const {Link, redirect, usePathname, useRouter, getPathname} =
+  createNavigation(routing);