How to use Laravel to implement multi-language support

Laravel is a very popular PHP framework that provides a large number of features and libraries that make web application development easier and more efficient. One of the important features is multi-language support. Laravel achieves multi-language support through its own language package mechanism and third-party libraries.

This article will introduce how to use Laravel to implement multi-language support functions and provide specific code examples.

1. Using Laravel's language pack function

Laravel comes with a language pack mechanism that allows us to easily implement multi-language support. By default, Laravel includes language packs for English and Spanish, but we can easily add language packs for other languages.

First, we need to create a language pack directory in the resources/lang directory. For example, if we want to add a Chinese language pack, we can create the zh directory and create the lang.php file in this directory. This file contains various language pack messages.

In the lang.php file, we can use an array to define the message, for example:

return [
   'welcome' => '欢迎来到我的网站',
];

Then, in our application, we can use the trans function provided by Laravel to use the information. For example, in the view, we can use it like this:

{{ trans('lang.welcome') }}

In the controller, we can use it like this:

echo trans('lang.welcome');

Laravel will load the appropriate language package based on the current locale, if it is not found If the language pack of the current locale is used, the default language pack will be used.

2. Use third-party libraries to achieve multi-language support

In addition to Laravel's own language pack function, you can also use third-party libraries to achieve multi-language support. The Laravel community has developed some excellent multi-language support libraries, such as Laravel Translatable and Laravel Multilingual.

Here we take Laravel Translatable as an example to introduce how to use this library to achieve multi-language support. This library provides a convenient way to translate Eloquent model fields.

First, we need to install the Laravel Translatable library in our application, which can be done using Composer. Open a terminal, go into our application directory, and run the following command:

composer require dimsav/laravel-translatable

Once the installation is complete, use the Translatable trait in our Eloquent model class and define the multilingual fields. For example, we have an Eloquent model class called Product and want to support two languages: English and French:

use DimsavTranslatableTranslatable;

class Product extends Model {
    use Translatable;
    public $translatedAttributes = ['name'];
}

Here we define a translation field name that will be translated in both languages. In our database table we need to create separate fields for each language.

Then, in our controller and view, we can access and display the multilingual field using:

$product = Product::find(1);
// 获取当前语言环境的name字段
echo $product->name;

// 获取指定语言环境的name字段
echo $product->translate('fr')->name;

In the view, we can display the multilingual field using Field:

<p>{{ $product->name }}</p>

<p>{{ $product->translate('fr')->name }}</p>

The Laravel Translatable library also provides other functions and options that can be configured and used according to actual needs.

Summary

In this article, we introduced how to use Laravel to implement multi-language support functions and provided specific code examples. Whether you use Laravel's own language pack function or use a third-party library to achieve multi-language support, it is very simple and convenient. Through multi-language support, we can better meet users' language needs and improve the user experience of web applications.

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