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Home Backend Development PHP Tutorial PHP - realize automatic switching of multiple languages

PHP - realize automatic switching of multiple languages

Dec 01, 2017 am 09:16 AM
php switch automatic

I believe that many students have browsed many websites with multi-language switching, and they feel that they are very good. Today, the editor has brought you an article about using PHP to perform automatic multi-language switching. introduce. I believe many students don’t know that PHP can also switch languages, so let us take a look at how PHP is implemented!

1. Add the following configuration in config.php of Home (the project name you chose)

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<?php 

return array( 

    //'配置项'=>'配置值' 

        'LANG_SWITCH_ON'     =>     true,    //开启语言包功能         

        'LANG_AUTO_DETECT'     =>     true, // 自动侦测语言 

        'DEFAULT_LANG'         =>     'zh-cn', // 默认语言         

        'LANG_LIST'            =>    'en-us,zh-cn,zh-tw', //必须写可允许的语言列表 

        'VAR_LANGUAGE'     => 'l', // 默认语言切换变量 

); 

?>

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2. Add a php file (tag.php) to the conf folder of Home and add the following code:

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return array( 

    // 添加下面一行定义即可 

    'app_begin' => array('CheckLang') 

);

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3. Copy the Extend/Behavior/CheckLangBehavior.class.php file to Home/lib/Behavior/ (only the full version of thinkphp package is available, if not, please create it yourself)

CheckLangBehavior.class.php code:

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<?php 

defined('THINK_PATH') or exit(); 

/**

 * 语言检测 并自动加载语言包

 * @category   Extend

 * @package  Extend

 * @subpackage  Behavior

 */ 

class CheckLangBehavior extends Behavior { 

    // 行为参数定义（默认值） 可在项目配置中覆盖 

    protected $options   =  array( 

            'LANG_SWITCH_ON'        => false,   // 默认关闭语言包功能 

            'LANG_AUTO_DETECT'      => true,   // 自动侦测语言 开启多语言功能后有效 

            'LANG_LIST'             => 'zh-cn', // 允许切换的语言列表 用逗号分隔 

            'VAR_LANGUAGE'          => 'l',        // 默认语言切换变量 

        ); 

    // 行为扩展的执行入口必须是run 

    public function run(&$params){ 

        // 开启静态缓存 

        $this->checkLanguage(); 

    } 

    /**

     * 语言检查

     * 检查浏览器支持语言，并自动加载语言包

     * @access private

     * @return void

     */ 

    private function checkLanguage() { 

        // 不开启语言包功能，仅仅加载框架语言文件直接返回 

        if (!C('LANG_SWITCH_ON')){ 

            return; 

        } 

        $langSet = C('DEFAULT_LANG'); 

        // 启用了语言包功能 

        // 根据是否启用自动侦测设置获取语言选择 

        if (C('LANG_AUTO_DETECT')){ 

            if(isset($_GET[C('VAR_LANGUAGE')])){ 

                $langSet = $_GET[C('VAR_LANGUAGE')];// url中设置了语言变量 

                cookie('think_language',$langSet,3600); 

            }elseif(cookie('think_language')){// 获取上次用户的选择 

                $langSet = cookie('think_language'); 

            }elseif(isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])){// 自动侦测浏览器语言 

                preg_match('/^([a-z\d\-]+)/i', $_SERVER['HTTP_ACCEPT_LANGUAGE'], $matches); 

                $langSet = $matches[1]; 

                cookie('think_language',$langSet,3600); 

            } 

            if(false === stripos(C('LANG_LIST'),$langSet)) { // 非法语言参数 

                $langSet = C('DEFAULT_LANG'); 

            } 

        } 

        // 定义当前语言 

        define('LANG_SET',strtolower($langSet)); 

        $group = ''; 

        $path    =   (defined('GROUP_NAME') && C('APP_GROUP_MODE')==1) ? BASE_LIB_PATH.'Lang/'.LANG_SET.'/' : LANG_PATH.LANG_SET.'/'; 

        // 读取项目公共语言包 

        if(is_file(LANG_PATH.LANG_SET.'/common.php')) 

            L(include LANG_PATH.LANG_SET.'/common.php');      

        // 读取分组公共语言包 

        if(defined('GROUP_NAME')){ 

            if(C('APP_GROUP_MODE')==1){ // 独立分组 

                $file = $path.'common.php'; 

            }else{ // 普通分组 

                $file = $path.GROUP_NAME.'.php'; 

                $group = GROUP_NAME.C('TMPL_FILE_DEPR'); 

            } 

            if(is_file($file)) 

                L(include $file); 

        } 

        // 读取当前模块语言包 

        if (is_file($path.$group.strtolower(MODULE_NAME).'.php')) 

            L(include $path.$group.strtolower(MODULE_NAME).'.php'); 

    } 

}

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##4. In Home Create 3 language folders under the lang folder. They are zh-cn en-us zh-tw,

Create a common.php file in each of these three folders, as shown in the figure:

In common.php, write

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<?php 

return array( 

        'welcome'=>'Welcome to use thinkphp', 

); 

?>

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<?php 

return array( 

    'welcome'=>'欢迎使用ThinkPHP', 

);

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<?php 

return array( 

    'welcome'=>'歡迎使用ThinkPHP', 

); 

?>

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5. Create the view index.html# in the tpl/Index/ folder ##

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<!DOCTYPE HTML> 

<html> 

 <head> 

  <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 

  <title>ThinkPHP示例：多语言</title> 

 </head> 

 <body> 

 <div class="main"> 

<div>切换语言：<a href="?l=zh-cn">简体中文</a> | <a href="?l=zh-tw">繁体中文</a> | <a href="?l=en-us">英文</a></div> 

 <div class="result">{$Think.lang.welcome}</div> 

</div> 

 </body> 

</html>

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Done!

If you want to switch the background language, in each sentence Add L before it, such as:

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<strong>public function index(){ 

print  L(&#39;add_user_error&#39;);　　//add_user_error只是语言变量,具体的语言要到语言包里写 

$this-&gt;display(); 

}</strong>

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The above is all the content of this article. You can modify it according to your own needs. I hope it can be helpful to the students.

Related recommendations:

#php simple method to achieve multi-language switching, php language switching

phpHow to implement WeChat applet payment and refund

php Multi-language switching

The above is the detailed content of PHP - realize automatic switching of multiple languages. For more information, please follow other related articles on the PHP Chinese website!

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