/**
* 向语言库加入新的语言翻译
*/
public static function set()
{
$agrs = func_get_args();
if (is_array($agrs[0])) {
self::$tfConfig = array_merge(self::$sfLang, $agrs[0]);
} elseif ($agrs[1]) {
$keys = array_reverse(explode(".", $agrs[0]));
$val = $agrs[1];
foreach ($keys as $key) {
$result = array();
$result[$key] = $val;
$val = $result;
}
self::$sfLang = array_merge(self::$sfLang, $result);
}
}