public function ajaxSetUserAction()
{
// 获取参数
$globalId = Request::getPOST('global-id');
$username = trim(Request::getPOST('username', ''));
// 校验用户
$userInfo = UserCommonInterface::getByLoginName(array('login_name' => $username));
if (empty($userInfo)) {
$this->renderError('用户不存在！');
}
// 校验problem
$problemInfo = OjProblemInterface::getById(array('id' => $globalId));
if (empty($problemInfo)) {
$this->renderError('题目不存在！');
}
OjProblemInterface::setUser(array('id' => $globalId, 'username' => $username));
$this->setNotice(FrameworkVars::NOTICE_SUCCESS, '设置成功！');
$this->renderAjax(0);
}
