织梦模板DEDECMS自定义表单限制同一IP提交次数

//检测游客是否已经提交过表单
if(isset($_COOKIE['VOTE_MEMBER_IP']))
{
if($_COOKIE['VOTE_MEMBER_IP'] == $_SERVER['REMOTE_ADDR'])
{
ShowMsg('您已经填写过表单啦','-1');
exit();
} else {
setcookie('VOTE_MEMBER_IP',$_SERVER['REMOTE_ADDR'],time()*$row['spec']*3600,'/');
}
} else {
setcookie('VOTE_MEMBER_IP',$_SERVER['REMOTE_ADDR'],time()*$row['spec']*3600,'/');
}