修复GetProductInfoByBarCode中接口在维护时，返回错误结果中没有flag字段的问题（统一使用ret_code）

platformapi/showapi/barcode.go

@@ -9,6 +9,11 @@ import (
 	"git.rosy.net.cn/baseapi/utils"
 )
 
+const (
+	RetCodeFailed  = -1
+	RetCodeSuccess = 0
+)
+
 type ProductInfo struct {
 	OriginalName string   `json:"originalName"`
 	OriginalSpec string   `json:"originalSpec"`
@@ -73,9 +78,9 @@ func (a *API) GetProductInfoByBarCode(barCode string) (product *ProductInfo, err
 	// baseapi.SugarLogger.Debug(utils.Format4Output(jsonResult, false))
 
 	showapiResBody := jsonResult["showapi_res_body"].(map[string]interface{})
-	flag := showapiResBody["flag"].(bool)
-	if !flag {
-		return nil, utils.NewErrorIntCode(utils.Interface2String(showapiResBody["remark"]), int(utils.Str2Int64(utils.Interface2String(showapiResBody["ret_code"]))))
+	retCode := int(utils.ForceInterface2Int64(showapiResBody["ret_code"]))
+	if retCode != RetCodeSuccess {
+		return nil, utils.NewErrorIntCode(utils.Interface2String(showapiResBody["remark"]), retCode)
 	}
 	product = &ProductInfo{
 		OriginalName: showapiResBody["goodsName"].(string),