From 51cd427d7e1cb3b3a33e66b5dc2817e70dffa81a Mon Sep 17 00:00:00 2001
From: zicla <ziclax@163.com>
Date: Wed, 17 Jan 2018 01:30:48 +0800
Subject: [PATCH] Add Content-Length Header when downloading. Fix #2.

---
 rest/alien_controller.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/rest/alien_controller.go b/rest/alien_controller.go
index 4bb9eb7..1fae71e 100644
--- a/rest/alien_controller.go
+++ b/rest/alien_controller.go
@@ -451,6 +451,13 @@ func (this *AlienController) Download(writer http.ResponseWriter, request *http.
 		}
 	} else {
 
+		//显示文件大小。
+		fileInfo, err := diskFile.Stat()
+		if err != nil {
+			panic(err)
+		}
+		writer.Header().Set("Content-Length", strconv.Itoa(int(fileInfo.Size())))
+
 		_, err = io.Copy(writer, diskFile)
 		this.PanicError(err)