- avoid manually build map in CreateOrderByShop.

utils/utils.go

@@ -176,6 +176,18 @@ func MustInterface2Int64(data interface{}) int64 {
 	return retVal
 }
 
+func MustInterface2Float64(data interface{}) float64 {
+	dataNumber, ok := data.(json.Number)
+	if !ok {
+		panic(fmt.Sprintf("error when convert:%v", data))
+	}
+	retVal, err := dataNumber.Float64()
+	if err != nil {
+		panic(err.Error())
+	}
+	return retVal
+}
+
 func MergeMaps(firstMap map[string]interface{}, otherMaps ...map[string]interface{}) (retVal map[string]interface{}) {
 	retVal = make(map[string]interface{})
 	allMaps := append(otherMaps, firstMap)