How to use ThinkPHP6 for multi-language translation operations?

With the development of globalization, more and more websites and applications need to provide multi-language support. For developers using the ThinkPHP6 framework, how to implement multi-language translation operations is an important requirement. This article will introduce how to use ThinkPHP6 for multi-language translation operations.

1. Configure language package

In ThinkPHP6, the language package is an array containing key-value pairs. This can be stored in various subdirectories under the app/lang/ directory. For example:

/app/lang/zh-cn/ /app/lang/en-us/

Among them, zh-cn and en-us are the names of the language packages, and the translations of the language version should be stored in their corresponding directories. In the language pack directory, there is usually an app.php or validation.php file, which corresponds to the translation of the application and form validation respectively.

For example:

/app/lang/zh-cn/app.php /app/lang/en-us/app.php

In these two files, some key-value pairs will be defined to translate text in the application. For example, a simple app.php file may look like this:

 '欢迎', 'login' => '登录', 'logout' => '退出登录', ];

Three key-value pairs are defined here, which are used to translate the "Welcome", "Login" and "Logout" in the application. Word. For the English version, you can create an en-us/app.php file and replace the Chinese translation above with the English translation:

 'Welcome', 'login' => 'Log in', 'logout' => 'Log out', ];

2. Read language pack

in In applications, it is usually necessary to read the corresponding language pack according to the user's language settings. You can use the following code to obtain the current language setting:

$lang = $request->lang();

The lang() method of the $request object is used here, which can obtain the lang parameter in the request object. Usually this parameter will store the user's language settings, for example:

http://example.com/?lang=zh-cn http://example.com/?lang=en-us

If the lang parameter is not specified here, the user's language settings can be guessed by reading the browser's Accept-Language header.

Next, you can use the lang() function to read the current language package, for example:

$lang = $request->lang(); app()->setLocale($lang); $translations = lang('app');

The app() function is used here to obtain the application object, and then through its setLocale( ) method to set the current locale. Finally, use the lang() function to read the language pack, which returns an array containing all translations in the current locale.

3. Using Translation

With the language pack and translation array, you can use translation in your application. For example, you can use tags in templates to get translations:

{{ __('app.welcome') }}

The __ function is used here to get translations. The __ function will parse the incoming string into an array according to the dot method, and then find the corresponding translation from the translation array.

If no corresponding translation is found, the __ function will return the original string. Therefore, you can pass the English string into the __ function as the default value, for example:

{{ __('app.welcome', ['default' => 'Welcome']) }}

A default parameter is specified here, and its value is 'Welcome'. If the translation corresponding to the 'welcome' key is not found in the translation array, the __ function will return this default value.

4. Add custom translation

Sometimes you need to add some custom translations, such as form validation error messages. You can use the following code to add custom translation:

use think acadeLang; Lang::load([ 'validation.custom' => [ 'email' => [ 'required' => '请填写邮箱地址', 'email' => '请输入有效的邮箱地址', ], ], ]);

The load() method of the Lang class is used here to add custom translation. The load() method accepts an array as a parameter, which is organized according to the structure of the language package and is used to add custom translations.

In the above example, a validation.custom language pack is added, which contains a custom translation for the 'email' key. These translations will override the system default translations.

5. Summary

It is very convenient to use ThinkPHP6 for multi-language translation operations. Just prepare the language pack, then read the language pack and use the translation. If you need to add custom translations, it's very simple. Multi-language support not only improves the usability of applications, but also better meets user needs and increases user experience.

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