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打开plus下diy.php文件

找到

if(!is_array($diyform))

{

showmsg('自定义表单不存在', '-1');

exit();

}

再其下添加

//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,'/');