pasture: 牧场端畜牧分类同步

module/group.go

@@ -260,6 +260,12 @@ func CattleCategoryDistribute(req *models.CowClass) error {
 			return err
 		}
 	} else {
+		lastData := &models.CowClass{}
+		if err = restful.Engine.Table(new(models.CowClass).TableName()).OrderBy("id desc").GetFirst(lastData).Error; err != nil {
+			req.Id = 1
+		} else {
+			req.Id = lastData.Id + 1
+		}
 		if _, err = restful.Engine.Table(new(models.CowClass).TableName()).Insert(req); err != nil {
 			return err
 		}