投票系统 有人刷票 求大神帮忙解决
<?php<br /> error_reporting(0);<br /> session_start();<br /> require_once 'config.php';<br /> require_once COMMON_PATH.'Common.php';<br /> $common = new Common();<br /> date_default_timezone_set ('Asia/Shanghai');<br /> $weil = strtotime("2013-08-07 23:59:59"); <br /> $now = time();<br /> if($weil-$now < 0){//投票时间过期<br /> echo 0;<br /> exit;<br /> }<br /> <br /> $ip = $common->getClientIp();<br /> $id = $_POST['id'];<br /> $ipid=$ip.$id;<br /> if($_SESSION['ipid']==$ipid||$_COOKIE['ipid']==$ipid){<br /> <br /> //$array = array('48','49','67','47'); <br /> //if ( in_array($id,$array) ) {<br /> echo 2;<br /> } else {<br /> $tbName = TB_NAME;<br /> $limit_time = 3600;<br /> $arr = $common->getItems('id,addTime','20130618_ztao_jtsjip','id','desc',"where tpId='$id' and ip='$ip'");<br /> $row = false;<br /> if (count($arr) > 0) {<br /> $row = $arr[0];<br /> }<br /> if(!$row){<br /> $common->insertItems('20130618_ztao_jtsjip','tpId,ip,addTime',"'$id','$ip','$now'");<br /> $res = $common->updateItems("$tbName",'voteNum=voteNum+1',"$id");<br /> $_SESSION['ipid']=$ipid;<br /> setcookie("ipid","$ipid",time()+$limit_time);<br /> if($res == true){<br /> echo 1;//投票成功 <br /> }else{<br /> echo 3;<br /> }<br /> <br /> }else if(($now-$row['addTime'])>$limit_time){<br /> $common->insertItems('20130618_ztao_jtsjip','tpId,ip,addTime',"'$id','$ip','$now'");<br /> $res = $common->updateItems("$tbName",'voteNum=voteNum+1',"$id");<br /> $_SESSION['ipid']=$ipid;<br /> setcookie("ipid","$ipid",time()+$limit_time);<br /> if($res == true){<br /> echo 1;<br /> }else{<br /> echo 3;<br /> }<br /> }else if(($now-$row['addTime'])<$limit_time){<br /> echo 2;<br /> }else{<br /> echo 3;<br /> }<br /> }<br /> <br /> ?><br />
<br /> if($_SESSION['ipid']==$ipid<br><font color='#FF8000'>------解决方案--------------------</font><br>$_COOKIE['ipid']==$ipid)<br />