美团饿百打包费改为统一系统参数

business/model/dao/new_config.go

@@ -49,3 +49,13 @@ func ValidateRoles(db *DaoDB, roles ...string) (err error) {
 	}
 	return errList.GetErrListAsOne()
 }
+
+func GetSysConfigAsInt64(db *DaoDB, key string) (value int64, err error) {
+	configList, err := QueryConfigs(db, key, model.ConfigTypeSys, "")
+	if err == nil && len(configList) > 0 {
+		value = utils.Str2Int64WithDefault(configList[0].Value, 0)
+	} else if IsNoRowsError(err) {
+		err = nil
+	}
+	return value, err
+}