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<?php
// +----------------------------------------------------------------------
// | EcTouch [ 专注移动电商: 商创网络科技 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2014 http://ectouch.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: EcTouch Team <zhong@ecmoban.com> (QQ: 2880175560)
// +----------------------------------------------------------------------
//多语言支持类
class Lang {
static public $config;
static private $langArray;
static public function init($config = array()) {
self::$config['LANG_DEFAULT'] = isset($config['LANG_DEFAULT']) ? $config['LANG_DEFAULT'] : 'zh'; //默认语言
self::$config['LANG_PACK_PATH'] = isset($config['LANG_PACK_PATH']) ? $config['LANG_PACK_PATH'] : './lang/'; //语言包目录
self::$config['LANG_PACK_SUFFIX'] = isset($config['LANG_PACK_SUFFIX']) ? $config['LANG_PACK_SUFFIX'] : '.lang.php'; //语言包后缀
self::$config['LANG_PACK_COMMON'] = isset($config['LANG_PACK_COMMON']) ? $config['LANG_PACK_COMMON'] : 'common'; //公用语言包，默认会自动加载
//语言包目录不以“/”结尾，加上“/”
if (substr(self::$config['LANG_PACK_PATH'], -1) != "/") {
self::$config['LANG_PACK_PATH'] .= "/";
}
//定义当前语言
if (!defined(__LANG__))
define('__LANG__', self::getLang(self::$config['LANG_DEFAULT'])); //定义当前选择的语言
self::$config['LANG_PACK_PATH'] = self::$config['LANG_PACK_PATH'] . __LANG__ . '/'; //设置当前语言的语言包目录
}
//获取不同语言的值
static public function get($key, $pack = '') {
$lang_array = self::getPack($pack);
return isset($lang_array[$key]) ? $lang_array[$key] : $key;
}
//获取语言包数组
static public function getPack($pack = '') {
$common_pack = self::$config['LANG_PACK_COMMON']; //公用语言包
$pack = empty($pack) ? $common_pack : $pack; //不指定语言包，自动调用公共语言包
if (!isset(self::$langArray[$pack])) {
if ($pack == $common_pack) {
self::$langArray[$pack] = self::_loadLangPack($common_pack);
} else {//加载公共语言包和指定的语言包
self::$langArray[$pack] = @array_merge(self::_loadLangPack($common_pack), self::_loadLangPack($pack)); //两个数组合并
}
}
return self::$langArray[$pack];
}
//获取当前语言
static private function getLang($default = 'zh') {
if (isset($_GET['lang'])) {// 获取url中设置了语言变量
$lang = $_GET['lang'];
} else if (isset($_COOKIE['ec_language'])) {//获取用户上次选择的语言
$lang = $_COOKIE['ec_language'];
} else if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {//检测浏览器语言
preg_match('/^([a-z\-]+)/i', $_SERVER['HTTP_ACCEPT_LANGUAGE'], $matches);
$lang = $matches[1];
} else {
$lang = $default; //默认语言
}
//如果获取到语言为空，则设置为默认语言
if (empty($lang)) {
$lang = $default; //默认语言
}
$lang = strtolower($lang); //大写转换成小写
//如果当前语言目录不存在，如en-us,则使用en作为当前语言目录
if (!is_dir(self::$config['LANG_PACK_PATH'] . $lang . '/')) {
$lang_2 = explode('-', $lang); //当前语言分割，获取语言大类，如en-us，获取en
$lang = $lang_2[0];
if (!is_dir(self::$config['LANG_PACK_PATH'] . $lang . '/'))
$lang = $default; //默认语言
}
setcookie('ec_language', $lang, time() + 3600 * 24 * 365, '/');
return $lang;
}
//加载语言包
static private function _loadLangPack($pack) {
$lang_array = array();
$lang_file = self::$config['LANG_PACK_PATH'] . $pack . self::$config['LANG_PACK_SUFFIX'];
if (file_exists($lang_file)) {
$lang_array = require_once($lang_file);
if (!is_array($lang_array)) {//数据不为数组的时候，为了下面的array_merge，赋值为空数组，
$lang_array = array();
}
}
return $lang_array;
}
}
?>