unset(SESSION['管理员']);
setcookie('username', '', time()-3600*24, $cookie_path, $cookie_domain);
setcookie('cp_userid', '', time()-3600*24, $cookie_path, $cookie_domain);
setcookie('cp_username', '', time()-3600*24, $cookie_path, $cookie_domain);
unset(SESSION['用户']);
setcookie('uname', '', time()-3600*24, $cookie_path, $cookie_domain);
setcookie('cp_userid', '', time()-3600*24, $cookie_path, $cookie_domain);
setcookie('cp_username', '', time()-3600*24, $cookie_path, $cookie_domain);