Thinkphp更改子集

//规格编辑
    public function standard(){
        //$id = $_GET['id'];//dump($id);die;
        $id = 388;
        //根据$id 到re_goodsstandard表 查询该商家的写下的规格
        $name = M('re_goodsstandard')->where(array('id'=>"{$id}", 'isValid'=>'1'))->field('id,name,adminUserId')->find();
        $children = M('re_goodsstandard')->where(array('parentStandardId'=>"{$id}", 'isValid'=>'1'))->field('id,name,adminUserId')->select();
       // $this->ajaxReturn($name['adminuserid']);
//        $this->ajaxReturn($_POST);
        if(IS_POST){
            $admin_id = $_POST['admin_id'];
            $sta_name = $_POST['sta_name'];
            if($name['name'] !== $sta_name){
                $pname['name'] = $sta_name;
                $pname['createTime'] = date("Y-m-d H:i:s");
                $datas = M('re_goodsstandard')->where(array('id'=>"{$admin_id}"))->save($pname);
            }

            $count = M('re_goodsstandard')->where(array('parentStandardId'=>"{$id}", 'isValid'=>'1','parentStandardId'=>"{$admin_id}"))->count();
            $names = $_POST['name'];
            $c_id = $_POST['id'];
            foreach($c_id as $k=>$v){
                if($v != 0){
                    $cname = M('re_goodsstandard')->where(array('id'=>"{$v}"))->setField('name',$names[$k]);
                }else{

                    //新增
                    $data['isValid'] = '1';
                    $data['createTime'] = date("Y-m-d H:i:s");
                    $data['name'] = $names[$k];
                    $data['parentStandardId'] = $name['id'];
                    $data['adminUserId'] = $name['adminuserid'];

                    //$sta = M('re_goodsstandard')->add($data);
                    $sta = M('re_goodsstandard')->data($data)->add();
                    //$cname = M('re_goodsstandard')->where(array('id'=>"{$sta}"))->setField('name',$names[$k]);
                }

            }
            $this->ajaxReturn($sta);

        }

        $this->assign('name', $name);
        $this->assign('child', $children);
        $this->assign('id', $id);
        $this->display();
    }