}
$db = new MySQL($log);
if ($mysqli = $db->openDB()) {
$user = new User($mysqli, $log);
$invitation = new Invitation($mysqli, $log);
if ($user->getUserByName($username)) {
$res['reason'] = '用户已存在！';
$db->closeDB();
die(json_encode($res));
}
if ($user->getUserByMail($email)) {
$res['reason'] = '邮箱已被使用！';
$db->closeDB();
die(json_encode($res));
}
$inv_id = $invitation->vilidateCode($invitation_code);
if ($inv_id) {
$user->username = $username;
$user->password = hash('sha256', $password_1);
$user->email = $email;
$user->type = 3;
//普通用户
$user->b_send = 1;
//发送邮件
$user->status = 2;
//未激活状态
$uid = $user->addUser();
if ($uid > 0) {
$invitation->setRegister($inv_id, $uid);
//生成邮件验证码
$val_code = $invitation->genEmailValidateCode($uid);