php多语言切换

a5656456

• <?php
• $languages = array ();
• $languages ['zh-cn'] ["name"] = "china";  
• $languages ["zh-cn"] ["image"] = "flag1.jpg";  
• $languages ["en"] ["name"] = "english";  
• $languages ["en"] ["image"] = "flag2.jpg";  
• class Language {  
•     public $language_area;  
•     public $language_country;  
•     public $language_dir;  
•     public $dir;  
•     public function __construct() {  
•         $this->dir = str_replace ( "\\", "/", dirname ( __FILE__ ) ) . "/language/";  
•         $this->initDefaultLanguage ();  
•         if (empty ( $this->language_country ) && ! empty ( $this->language_area )) {  
•             $this->language_country = substr ( $this->language_area, 0, strpos ( $this->language_area, "-" ) );  
•         }
•         $this->initLanguageDir ();  
•     }
•     /*
•     取得语言文件的绝对路径
•     */  
•     public function getFileDir($file) {  
•         $dir = $this->dir;  
•         if (file_exists ( $this->getLanguageDir () . $file )) {  
•             return $this->getLanguageDir () . $file;  
•         } else if (file_exists ( $dir . $this->language_area . "/" . $file )) {  
•             return $dir . $this->language_area . "/" . $file;  
•         } else if (file_exists ( $dir . $this->language_country . "/" . $file )) {  
•             return $dir . $this->language_country . "/" . $file;  
•         } else if (file_exists ( $dir . "en/" . $file )) {  
•             return $dir . "en/" . $file;  
•         } else {  
•             return false;  
•         }
•     }
•     /*
•     取得当前使用语言的文件夹
•     */  
•     public function getLanguageDir() {  
•         return $this->language_dir;  
•     }
•     /*
•     初始化语言文件夹
•     */  
•     private function initLanguageDir() {  
•         $dir = $this->dir;  
•         if (file_exists ( $dir . $this->language_area ) && ! empty ( $this->language_area )) {  
•             $this->language_dir = $dir . $this->language_area . "/";  
•         } else if (file_exists ( $dir . $this->language_country ) && ! empty ( $this->language_country )) {  
•             $this->language_dir = $dir . $this->language_country . "/";  
•         } else {  
•             $this->language_dir = $dir . "en/";  
•         }
•     }
•     /*
•     初始化默认语言
•     */  
•     public function initDefaultLanguage() {  
•         if ($this->getCookieLanguage ()) {  
•             return;  
•         }
•         $language = $_SERVER ['HTTP_ACCEPT_LANGUAGE'];  
•         preg_match_all ( "/[\w-]+/", $language, $language );  
•         $this->language_area = $language [0] [0];  
•         @$this->language_country = $language [0] [1];  
•         $this->setCookieLanguage ();  
•     }
•     /*
•     从cookie中导入语言种类
•     */  
•     public function getCookieLanguage() {  
•         if (! @empty ( $_COOKIE ['lang'] )) {  
•             $language = $_COOKIE ['lang'];  
•             if (strpos ( $language, "-" )) {  
•                 $this->language_area = $language;  
•             } else {  
•                 $this->language_country = $language;  
•             }
•             return true;  
•         }
•         return false;  
•     }
•     /*
•        把当前的语言种类放到cookie中
•     */  
•     public function setCookieLanguage($lang = "") {  
•         if (empty ( $lang )) {  
•             $lang = $this->language_area;  
•         }
•         if (empty ( $lang )) {  
•             $lang = $this->language_country;  
•         }
•         if (empty ( $lang )) {  
•             return false;  
•         }
•         setcookie ( "lang", $lang, time () + 365 * 24 * 3600, "/", $this->getDomain () );  
•         return true;  
•     }
•     public function getDomain() {  
•         if (empty ( $this->domain )) {  
•             $domain = $_SERVER ['SERVER_NAME'];  
•             if (strcasecmp ( $domain, "localhost" ) === 0) {  
•                 $this->domain = $domain;  
•                 return $this->domain;  
•             }
•             if (preg_match ( "/^(\d+\.){3}\d+$/", $domain, $domain_temp )) {  
•                 $this->domain = $domain_temp [0];  
•                 return $this->domain;  
•             }
•             preg_match_all ( "/\w+\.\w+$/", $domain, $domain );  
•             $this->domain = $domain [0] [0];  
•             return $this->domain;  
•         } else {  
•             return $this->domain;  
•         }
•     }
• }
• ?>
  

/include/language/zh-cn/language.php

• Java代码  [url=][/url]
  
  • <?php
  • $language_message["china"]="中文";  
  • $language_message["english"]="英文";  
  • ?>
    
  
  
  /include/language/en/language.php
• Java代码  [url=][/url]
  
  • <?php
  • $language_message["china"]="china";  
  • $language_message["english"]="english";  
  • ?>
    
  
  
  /chang_language.php
• Java代码  [url=][/url]
  
  • <?php
  • include_once 'header.php';  
  • include_once 'header.tpl';  
  • $language_file=$lang->getFileDir("language.php");  
  • include($language_file);
  • ?>
  • <script language="javascript">  
  • var domain="<?php echo $lang->getDomain();?>";  
  • var cur_language="<?php echo $current_language;?>";  
  • function change_language(lan)
  • {
  •     alert("lan");  
  •     setCookie("lang",lan,1,"/",domain,false);  
  •      if(cur_language==lan)  
  •      {
  •          return ;  
  •      }
  •      <?php if(!$_POST){ ?>  
  •      document.location.reload();
  •      <?php } ?>
  • }
  • // writeCookie("myCookie", "my name", 24);  
  • // Stores the string "my name" in the cookie "myCookie" which expires after 24 hours.  
  • function setCookie( name, value, expires, path, domain, secure ) {
  •     var today = new Date();  
  •     today.setTime( today.getTime() );
  •     if ( expires ) {  
  •     expires = expires * 1000 * 60 * 60 * 24;  
  •     }
  •     var expires_date = new Date( today.getTime() + (expires) );  
  •     document.cookie = name+'='+escape( value ) +  
  •     ( ( expires ) ? ';expires='+expires_date.toGMTString() : '' ) + //expires.toGMTString()  
  •     ( ( path ) ? ';path=' + path : '' ) +  
  •     ( ( domain ) ? ';domain=' + domain : '' ) +  
  •     ( ( secure ) ? ';secure' : '' );  
  • }
  • </script>
  • <ul>
  • <?php
  • foreach($languages as $key=>$value)
  • {
  •   echo '<li><a href="javascript://"';  
  •    echo '>',$language_message[$languages[$key]["name"]],' <img src="images/',$languages[$key]["image"],'" border="0"/></a></li>';  
  • }
  • ?>
  • </ul>
    
  
  
  /header.php
  
  
  • <?php
  • include_once (dirname ( __FILE__ ) . "/include/language.php");  
  • $lang = new Language ( );  
  • //print_r($lang->language_area);  
  • $current_language = getCurrentLanguage ();
  • //print_r($current_language);  
  • function getCurrentLanguage() {
  •     global $lang, $languages;
  •     if (array_key_exists ( $lang->language_area, $languages )) {  
  •         return $lang->language_area;  
  •     } else if (array_key_exists ( $lang->language_country, $languages )) {  
  •         return $lang->language_country;  
  •     } else {  
  •         return "en";  
  •     }
  • }
  • ?>
    
  
  
  /header.tpl
  Html代码  [url=][/url]
  
  
  • <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  
  • <html xmlns="http://www.w3.org/1999/xhtml">  
  • <head>  
  • <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  
  • <title>多语言测试</title>  
  • <link href="css/css.css" rel="stylesheet" type="text/css" />  
  • <script type="text/javascript" src="javascript/prototype_1_6.js"></script>  
  • </head>  
    
  
  
  /test_language.php
  
  
  
  • <?php
  • include_once 'header.php';  
  • include_once 'header.tpl';  
  • $language_file = $lang->getFileDir ( "speak_language.php" );  
  • require_once ($language_file);
  • print_r($speak_language_message);
  • ?>