SONetworking.request("POST", url: url, parameters: dic, success: { (jsonString) in
            let data = jsonString?.data(using: .utf8)!
            if let parsedData = try? JSONSerialization.jsonObject(with: data!) as! [String:Any] {
                let data = parsedData["data"] as? Array<[String:Any]>!
                var result = [SOGoodsItem]()
                for dic in data! {
                    let item = SOGoodsItem(dict: dic)
                    result.append(item)
                }
                success(result)
            } else {
                print("bad json - do some recovery")
            }

        }) { (error) in

        }