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目錄
Setting up language files
Switching between languages dynamically
Translating URLs and routes
Managing translation keys in Blade templates
首頁(yè) php框架 Laravel 在Laravel應(yīng)用程序中添加多語(yǔ)言支持

在Laravel應(yīng)用程序中添加多語(yǔ)言支持

Jul 03, 2025 am 01:17 AM
laravel 多語(yǔ)言

Laravel應(yīng)用實(shí)現(xiàn)多語(yǔ)言支持的核心方法包括:設(shè)置語(yǔ)言文件、動(dòng)態(tài)切換語(yǔ)言、翻譯URL路由及管理Blade模板中的翻譯鍵。首先,將各語(yǔ)言字符串組織在/resources/lang目錄下的對(duì)應(yīng)文件夾(如en、es、fr)中,並通過(guò)返回關(guān)聯(lián)數(shù)組定義翻譯內(nèi)容;2. 通過(guò)\_\_()輔助函數(shù)調(diào)用翻譯鍵值,並使用App::setLocale()結(jié)合會(huì)話或路由參數(shù)實(shí)現(xiàn)語(yǔ)言切換;3. 對(duì)於翻譯URL,可通過(guò)帶前綴的路由組分別為不同語(yǔ)言定義路徑,或動(dòng)態(tài)映射語(yǔ)言文件中的路由別名;4. 在Blade模板中保持翻譯鍵簡(jiǎn)潔並利用Laravel對(duì)占位符和復(fù)數(shù)形式的支持提升翻譯靈活性。這些步驟共同構(gòu)建起結(jié)構(gòu)清晰且易於維護(hù)的多語(yǔ)言系統(tǒng)。

Adding multilingual support to a Laravel application

Adding multilingual support to a Laravel application isn't too complicated, but it does require some planning and setup. The core idea is to make your app able to serve content in multiple languages based on user preference or browser settings.

Adding multilingual support to a Laravel application

Laravel has built-in localization features that you can use right out of the box — no need for extra packages unless you want more advanced functionality.

Adding multilingual support to a Laravel application

Setting up language files

The first thing you'll want to do is organize your language strings. Laravel uses the lang directory for this. Each language gets its own folder (like en , es , fr ), and inside each folder, you create PHP files that return associative arrays of key-value pairs.

For example:

Adding multilingual support to a Laravel application
 /resources/lang/en/messages.php
/resources/lang/es/messages.php

Each file might look like this:

 // en/messages.php
return [
    'welcome' => 'Welcome to our site!',
];
 // es/messages.php
return [
    'welcome' => '? Bienvenido a nuestro sitio!',
];

You can then display these messages using the __() helper function in views or controllers:

 <h1>{{ __(&#39;messages.welcome&#39;) }}</h1>

This method keeps your strings organized and makes switching between languages easier later.


Switching between languages dynamically

To let users switch languages, you'll typically set a session variable or use a route parameter like /es/home . Laravel doesn't handle this automatically, so you'll need to write a bit of logic.

A common approach is to create a middleware that checks the URL prefix or a cookie/session value and sets the app locale accordingly.

Here's a basic example of how to do it via a controller or middleware:

 App::setLocale($locale); // $locale could be &#39;en&#39;, &#39;es&#39;, etc.

You can also add routes for switching the language:

 Route::get(&#39;/language/{locale}&#39;, function ($locale) {
    App::setLocale($locale);
    session([&#39;locale&#39; => $locale]);
    return redirect()->back();
});

And in your view, show links for available languages:

 @foreach([&#39;en&#39;, &#39;es&#39;, &#39;fr&#39;] as $lang)
    <a href="{{ url("/language/$lang") }}">{{ strtoupper($lang) }}</a>
@endforeach

Make sure to check the session or user preference early in the request lifecycle so the correct language loads before rendering views.


Translating URLs and routes

If you want your URLs to be translated (eg, /about becomes /sobre in Spanish), things get a little trickier. Laravel doesn't support translated route names directly, but you can define separate routes for each language.

One way to manage this is by using route groups with different prefixes:

 Route::prefix(&#39;en&#39;)->group(function () {
    Route::get(&#39;/about&#39;, [PageController::class, &#39;about&#39;]);
});

Route::prefix(&#39;es&#39;)->group(function () {
    Route::get(&#39;/sobre&#39;, [PageController::class, &#39;about&#39;]);
});

Alternatively, you can store translations of route slugs in language files and map them dynamically. But that requires more complex routing logic and possibly a database lookup if the slugs are dynamic (like blog posts).

Keep in mind: translated URLs improve SEO for each language version, but they take more maintenance.


Managing translation keys in Blade templates

When working with Blade templates, it's best to keep your translation keys short and descriptive. For example:

 {{ __(&#39;auth.login&#39;) }}

Avoid putting entire sentences directly in the template — it makes managing translations harder over time.

Also, if you're dealing with pluralization or placeholders, Laravel supports that too:

 __(&#39;messages.items&#39;, [&#39;count&#39; => $items->count()])

In your language file:

 // en/messages.php
&#39;items&#39; => &#39;{0} No items found.|{1} One item found.|[2,*] :count items found.&#39;

This helps when your app needs to display slightly different text depending on context or data.


Basically, setting up multilingual support in Laravel comes down to organizing your language files, handling locale changes, and deciding whether you need translated URLs. It's not overly complex, but it does require attention to structure and consistency.

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