From 6f154c0cc59f7b9520ab759fa9b0adbe10aae596 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E6=A0=91=E6=98=8E?= <775174143@qq.com>
Date: Mon, 4 Nov 2019 14:44:24 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4=E4=B8=8B=E8=BD=BD=E6=96=B9?=
 =?UTF-8?q?=E5=BC=8F?=
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---
 .../src/modules/courses/statistics/Statistics.js    | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/public/react/src/modules/courses/statistics/Statistics.js b/public/react/src/modules/courses/statistics/Statistics.js
index 8b22f2c25..31f897c21 100644
--- a/public/react/src/modules/courses/statistics/Statistics.js
+++ b/public/react/src/modules/courses/statistics/Statistics.js
@@ -160,7 +160,18 @@ class Statistics extends Component{
 
 	derivefun=(url)=>{
 		let{group_ids}=this.state;
-		this.props.slowDownload(`${url}?group_id=${group_ids}`);
+		let list=group_ids;
+    let urllist="";
+	 if(list!=undefined&&list.length!=0)
+			list.map((item,key)=>{
+				if(key===0){
+					urllist=`group_id[]=${item}`
+				}else{
+					urllist=urllist+`&group_id[]=${item}`
+				}
+
+			})
+		this.props.slowDownload(`${url}?${urllist}`);
 	}