How to implement a multi-language website in ThinkPHP6?

ThinkPHP6 is an excellent PHP development framework, which provides very good code management and scalability. In actual development, with the trend of globalization, more and more websites need to provide multi-language support. So how to implement a multi-language website in ThinkPHP6? This article will explain it from the following four aspects.

1. Define multilingual variables in the configuration file

In ThinkPHP6, it is highly recommended to define multilingual variables through the configuration file. First we need to create a lang.php file in the config directory, and then define a multi-language array in it, for example:

<?php
return [
    'welcome' => '欢迎',
    'hello' => '你好',
    'bye' => '再见',
    ...
];

Then pass # in the controller ##lang Helper function to obtain these multi-language variables, for example:

echo lang('welcome');

In this way, when your website needs to support different languages, you only need to modify the

lang.php file The corresponding multilingual variable value in .

2. Use middleware to set Session according to language

In order to be able to switch different languages, we need to set up a language Session in the website. This language Session can be automatically recognized based on parameters passed from the front desk or browser settings.

In ThinkPHP6, we can implement this function through middleware. Create a

Language.php middleware file in the app/middleware directory. The code is as follows:

<?php
namespace appmiddleware;

use thinkacadeSession;
use thinkRequest;

class Language
{
    public function handle(Request $request, Closure $next)
    {
        $lang = $request->param('lang');
        if(!in_array($lang, ['zh-cn', 'en-us'])){
            $lang = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
        }
        Session::set('lang', $lang);
        return $next($request);
    }
}

Among them, determine whether the passed language parameters are legal. If not, The rules use the language parameters in the browser settings.

Introduce this middleware in

app/middleware.php and use it in a controller that needs to support multiple languages, for example:

<?php
namespace appcontroller;

use thinkacadeSession;

class Index
{
    public function index()
    {
        $lang = Session::get('lang');
        return lang('welcome');
    }
}

3. Use multiple languages Routing

For some needs that need to support multi-language routing, ThinkPHP6 provides a very convenient method. For example, we can define the following two routes:

Route::get(':lang/index', 'index/index');
Route::get(':lang/about', 'index/about');

So that we access

https://example.com/zh-cn/index and https://example.com /zh-cn/about will enter the corresponding controller, and the front desk does not need to pass the language parameters separately.

4. Use template tags to output multilingual content

Finally, we need to output multilingual variables in the foreground. At this time, we can use the "template tag" function provided by ThinkPHP6, for example:

{: lang('welcome') }

Of course, it is more recommended to use the following method:

{lang name="welcome"}

This way, the corresponding multi-language variables can be output , you can also add some default values ​​and parameters.

Summary

The above is how to implement a multi-language website in ThinkPHP6. By defining multilingual variables, using middleware to set up Session, and using multilingual routing and template tags to output multilingual content, we can easily build a complete multilingual website. Of course, some details need to be considered in actual development, but the above method provides a very good foundation for multi-language development in ThinkPHP6.

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