同时操作多条信息，使用关键字in

$pid=$_POST[‘lianpiaono‘];

$darr=explode(",", $pid);

$cnt=count($darr);//统计数据个数

foreach ($darr as $key => $value) {

                             $str.="‘".$value."‘,";

                    }

$str=substr($str,0,$str.length-1);

$nos = $this->db->where("lianpiaono in ($str) and isclose=0 and jqid=$jqid")->field(‘lianpiaono,id,status‘)->select();

同时操作多条信息，使用关键字in

原文：http://www.cnblogs.com/srxhmxx/p/5148598.html