修改各个程序目录下的 ./uc_client/model/user.php 文件，大概在 129 行处的 function add_user 函数里添加代码
如 Discuz X 的：
$this->db->query("INSERT INTO `dbname`.pre_common_member SET uid='$uid', username='$username', password='$password', email='$email', adminid='0', groupid='10', regdate='".$this->base->time."', credits='0', timeoffset='9999'"); $this->db->query("INSERT INTO `dbname`.pre_common_member_status SET uid='$uid', regip='$regip', lastip='$regip', lastvisit='".$this->base->time."', lastactivity='".$this->base->time."', lastpost='0', lastsendmail='0'"); $this->db->query("INSERT INTO `dbname`.pre_common_member_profile SET uid='$uid'"); $this->db->query("INSERT INTO `dbname`.pre_common_member_field_forum SET uid='$uid'"); $this->db->query("INSERT INTO `dbname`.pre_common_member_field_home SET uid='$uid'"); $this->db->query("INSERT INTO `dbname`.pre_common_member_count SET uid='$uid', extcredits1='0', extcredits2='0', extcredits3='0', extcredits4='0', extcredits5='0', extcredits6='0', extcredits7='0', extcredits8='0'");Discuz 的参数比较多，`dbname` 是数据库名，.pre_ 是表前缀，按自己的情况修改，注意需要在 MySQL 设置相应的权限，假设 Discuz X 和 UCenter 是在不同的数据库且不同数据库用户，Discuz X 数据库和用户是 discuz，UCenter 的数据库和用户是 ucenter，那么需要设置 ucenter 拥有数据库 discuz 的 insert 权限。(如果是同一数据库、同一用户则忽略这些步骤)
phpMyAdmin 的操作步骤大概为：权限 -> 编辑权限 -> 按数据库指定权限 -> 选择数据库 -> 勾选 INSERT -> 执行。
这些代码的原理就是，在某应用注册用户时，同时添加其它应用的数据库字段，因为 UCenter 在首次注册时并没有这一步骤所以才没能同步登录与激活。
修改后完整的 function add_user 函数是这样的：
function add_user($username, $password, $email, $uid = 0, $questionid = '', $answer = '', $regip = '') { $regip = empty($regip) ? $this->base->onlineip : $regip; $salt = substr(uniqid(rand()), -6); $password = md5(md5($password).$salt); $sqladd = $uid ? "uid='".intval($uid)."'," : ''; $sqladd .= $questionid > 0 ? " secques='".$this->quescrypt($questionid, $answer)."'," : " secques='',"; $this->db->query("INSERT INTO ".UC_DBTABLEPRE."members SET $sqladd username='$username', password='$password', email='$email', regip='$regip', regdate='".$this->base->time."', salt='$salt'"); $uid = $this->db->insert_id(); $this->db->query("INSERT INTO ".UC_DBTABLEPRE."memberfields SET uid='$uid'"); // BEGIN $this->db->query("INSERT INTO `dbname`.pre_common_member SET uid='$uid', username='$username', password='$password', email='$email', adminid='0', groupid='10', regdate='".$this->base->time."', credits='0', timeoffset='9999'"); $this->db->query("INSERT INTO `dbname`.pre_common_member_status SET uid='$uid', regip='$regip', lastip='$regip', lastvisit='".$this->base->time."', lastactivity='".$this->base->time."', lastpost='0', lastsendmail='0'"); $this->db->query("INSERT INTO `dbname`.pre_common_member_profile SET uid='$uid'"); $this->db->query("INSERT INTO `dbname`.pre_common_member_field_forum SET uid='$uid'"); $this->db->query("INSERT INTO `dbname`.pre_common_member_field_home SET uid='$uid'"); $this->db->query("INSERT INTO `dbname`.pre_common_member_count SET uid='$uid', extcredits1='0', extcredits2='0', extcredits3='0', extcredits4='0', extcredits5='0', extcredits6='0', extcredits7='0', extcredits8='0'"); // END return $uid; }其它的程序就比较简单了，打开程序的数据库的用户表，对比一下就知道了，下面提供几个参考：
// ecmall $this->db->query("INSERT INTO `ecmall`.ecm_member SET user_id='$uid', user_name='$username', email='$email', password='$password', gender='0', reg_time='".$this->base->time."', last_login='".$this->base->time."', last_ip='$regip', logins='1', ugrade='0', outer_id='0'"); // ecshop $this->db->query("INSERT INTO `ecshop`.ecs_users SET user_id='$uid', email='$email', user_name='$username', password='$password', reg_time='".$this->base->time."', last_login='".$this->base->time."', last_ip='$regip'"); // thinksns $this->db->query("INSERT INTO `thinksns`.ts_ucenter_user_link SET uid='$uid', uc_uid='$uid', uc_username='$username'"); $this->db->query("INSERT INTO `thinksns`.ts_user SET uid='$uid', email='$email', password='$password', uname='$username', is_active='1', is_init='1'"); $this->db->query("INSERT INTO `thinksns`.ts_user_online SET uid='$uid', ctime='".$this->base->time."'");
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