From 4b3ed531581673717a9cfefadae3fd68ba7b6cd9 Mon Sep 17 00:00:00 2001
From: Maxgis <dahaoren777@gmail.com>
Date: Tue, 26 Jul 2016 19:54:10 +0800
Subject: [PATCH] redirect should add query params

---
 staticfile.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/staticfile.go b/staticfile.go
index 11a2cdcc..7c8b4517 100644
--- a/staticfile.go
+++ b/staticfile.go
@@ -57,7 +57,11 @@ func serverStaticRouter(ctx *context.Context) {
 	if fileInfo.IsDir() {
 		requestURL := ctx.Input.URL()
 		if requestURL[len(requestURL)-1] != '/' {
-			ctx.Redirect(302, requestURL+"/")
+			redirectURL := requestURL + "/"
+			if ctx.Request.URL.RawQuery != "" {
+				redirectURL = redirectURL + "?" + ctx.Request.URL.RawQuery
+			}
+			ctx.Redirect(302, redirectURL)
 		} else {
 			//serveFile will list dir
 			http.ServeFile(ctx.ResponseWriter, ctx.Request, filePath)