/**
* 过滤任何非主流字符
* @param string $strParam
* @return string
*/
public static function replaceSpecialChar($strParam) {
if(empty($strParam)) return '';
$regex = "/[^\x{4e00}-\x{9fa5}0-9a-zA-Z|\s+|\s+$|\【|\】|\-|\_|\,|\.|\,|\:|\。\!\→\‘\’\/]/iu";
return preg_replace($regex, "", $strParam);
}