From 58bb89c87c06e2d85edff3a9dd5bda2d179320aa Mon Sep 17 00:00:00 2001
From: ckcz123 <ckcz123@126.com>
Date: Wed, 10 Jun 2020 22:14:00 +0800
Subject: [PATCH] =?UTF-8?q?=E5=9C=B0=E5=9B=BE=E6=9C=AA=E4=BF=9D=E5=AD=98?=
 =?UTF-8?q?=E6=97=B6=E7=9A=84=E5=88=B7=E6=96=B0=E6=8F=90=E7=A4=BA?=
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---
 _server/editor_listen.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/_server/editor_listen.js b/_server/editor_listen.js
index 3eb74545..12bba2a9 100644
--- a/_server/editor_listen.js
+++ b/_server/editor_listen.js
@@ -51,6 +51,14 @@ editor_listen_wrapper = function (editor) {
         if (editor.dom.layerMod3) editor.dom.layerMod3.onchange = editor.uifunctions.layerMod3_onchange;
 
         editor.uifunctions.viewportButtons_func()
+
+        window.onbeforeunload = function () {
+            var saveFloor = document.getElementById('saveFloor');
+            if (saveFloor && saveFloor.classList.contains('highlight')) {
+                return '你尚未保存地图，确定退出么？';
+            }
+            return null;
+        }
     }
 
     editor.constructor.prototype.mobile_listen = function () {