//配合JavaScript的ajaxObject函数, 对字串进行转码.function ajax_encode($str){$patern = array("/%/","/=/","/&/");// % 必须是第一个项, 替换是按项的顺序进行的.$rp = array("%25","%26","%3D");return preg_replace($patern,$rp,$str);}//逆函数function ajax_decode($str){$patern = array("/%25/","/%26/","/%3D/");$rp = array("%","=","&");return preg_replace($patern,$rp,$str);}希望本文所述对大家的php程序设计有所帮助。