From 6de538b136619510fb3104a8652d3a26590bbef0 Mon Sep 17 00:00:00 2001
From: cloudzhou <cloudzhou@163.com>
Date: Thu, 25 Jan 2018 17:52:09 +0800
Subject: [PATCH] execElem.FieldByName as local variable

execElem.FieldByName(fieldType.Name) as local variable
---
 router.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/router.go b/router.go
index 11cb4aa8..c6b08e24 100644
--- a/router.go
+++ b/router.go
@@ -202,10 +202,10 @@ func (p *ControllerRegister) addWithMethodParams(pattern string, c ControllerInt
 		numOfFields := elemVal.NumField()
 		for i := 0; i < numOfFields; i++ {
 			fieldType := elemType.Field(i)
-
-			if execElem.FieldByName(fieldType.Name).CanSet() {
+			elemField := execElem.FieldByName(fieldType.Name)
+			if elemField.CanSet() {
 				fieldVal := elemVal.Field(i)
-				execElem.FieldByName(fieldType.Name).Set(fieldVal)
+				elemField.Set(fieldVal)
 			}
 		}