简单实现PHP留言板功能

  </div>
</form>

if(isset($_POST['liuyan']))
{
$data['nickname']=$_POST['nickname'];
$data['content']=$_POST['content'];
$data['email']=$_POST['email'];
$data['status']=1;
$data['replytime']=date('Y-m-d H:i:s',time());
// print_r($data);die();
$user=M('daili_liuyan_guestbook');
$maxid=$user->max('id');
$data['id']=$maxid+1;
$user->add($data);

// print_r($_POST);die();
}
$guestbook = D('daili_liuyan_guestbook')->select();
$this->assign('guestbook',$guestbook);
$this->display();
}