$data = $this->request->param();//$data='1,2,3,4,'$plist=rtrim($data['plist'], ",");//$plist='1,2,3,4'
$str=explode(",",$plist); //$str为以逗号为分隔的数组foreach ($str as $key => $val) { model('Imgfile')->insert(['url'=>json_encode($val)]); //tp5的sql语句}