public function changeNickname()
{
$user = User::getCurrent();
if ($_POST['nickname'] != null) {
$user = User::getUserByUserId($user->uid);
$user->nickname = htmlspecialchars(trim($_POST['nickname']));
$user->save();
$_SESSION['currentUser'] = $user;
return array('error' => 0, 'message' => '修改昵称成功,刷新页面或重新登录生效。');
} else {
Template::putContext('user', $user);
Template::setView("panel/changeNickname");
}
}