/**
* 查看当前用户是否有权限访问
* @param $style 12为用户权限2级
* @return true为成功，false为失败
*/
public static function userCategorySeleteByStyle($style = NULL)
{
$message = true;
if (!empty($_SESSION['userid'])) {
$userid = $_SESSION['userid'];
$user = beu_users::model()->findByPk($userid);
if ($user == null) {
$message = false;
} else {
if (!empty($user['permissions'])) {
$permissions = json_decode($user['permissions'], true);
if (count($permissions) > 0) {
if (!in_array($style, $permissions)) {
$message = false;
}
}
} else {
$message = false;
}
}
} else {
$message = false;
}
return $message;
}
/**
* 验证用户名是否可用
**/
public static function VerificationUserName($username)
{
$ret = array('status' => 0, 'msg' => '');
try {
if (empty($username)) {
throw new Exception('用户名不能为空');
}
$user = beu_users::model()->findAll('username=:username', array(':username' => $username));
if (!empty($user)) {
throw new Exception('用户名已存在，不可用！');
}
$ret['status'] = 1;
} catch (Exception $e) {
$ret['msg'] = $e->getMessage();
}
return $ret;
}