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 />
