From 4077b6fdf05624819c4f727064f45b0cf310a3aa Mon Sep 17 00:00:00 2001
From: Jason li <changsongliqd@gmail.com>
Date: Sat, 23 Jan 2021 18:30:41 +0800
Subject: [PATCH] fix pointer receiver method expiression

---
 server/web/router.go | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/server/web/router.go b/server/web/router.go
index d7fd3047..fba35aaf 100644
--- a/server/web/router.go
+++ b/server/web/router.go
@@ -584,12 +584,7 @@ func getReflectTypeAndMethod(f interface{}) (controllerType reflect.Type, method
 		panic("invalid number of param in")
 	}
 
-	// check the receiver implement ControllerInterface
 	controllerType = funcType.In(0)
-	_, ok := reflect.New(controllerType).Interface().(ControllerInterface)
-	if !ok {
-		panic(controllerType.String() + " is not implemented ControllerInterface")
-	}
 
 	// check controller has the method
 	_, exists := controllerType.MethodByName(method)
@@ -597,6 +592,16 @@ func getReflectTypeAndMethod(f interface{}) (controllerType reflect.Type, method
 		panic(controllerType.String() + " has no method " + method)
 	}
 
+	// check the receiver implement ControllerInterface
+	if controllerType.Kind() == reflect.Ptr {
+		controllerType = controllerType.Elem()
+	}
+	controller := reflect.New(controllerType)
+	_, ok := controller.Interface().(ControllerInterface)
+	if !ok {
+		panic(controllerType.String() + " is not implemented ControllerInterface")
+	}
+
 	return
 }