//    rewrite by cjjer

    function onregister() {
        $this->init_input();
        $username = $this->input(''username'');
        $myuserid = intval($this->input(''uid''));
        $password =  $this->input(''password'');
        $email = $this->input(''email'');
        $questionid = $this->input(''questionid'');
        $answer = $this->input(''answer'');

        if(    (($status = $this->_check_username($username)) < 0) ||
            (($status = $this->_check_email($email)) < 0)||
            ($status =  ENV[''user'']->get_user_by_uid($myuserid))
            ) {
            //开始更新会员资料
             ENV[''user'']->update_user($myuserid,$username, $password, $email, $myuserid, $questionid, $answer);
            return $myuserid;
        }else{
            $uid =  ENV[''user'']->add_user($username, $password, $email, $myuserid, $questionid, $answer);
        }
        return $uid;
    }