From cec0f45a8d84109638eb8996c71dde978093af84 Mon Sep 17 00:00:00 2001
From: ddcat1115 <ddcat1115@gmail.com>
Date: Mon, 26 Feb 2018 18:23:30 +0800
Subject: [PATCH] improve SiderMenu

---
 src/components/SiderMenu/SiderMenu.js | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/components/SiderMenu/SiderMenu.js b/src/components/SiderMenu/SiderMenu.js
index df3bb488..072f5cea 100644
--- a/src/components/SiderMenu/SiderMenu.js
+++ b/src/components/SiderMenu/SiderMenu.js
@@ -177,14 +177,17 @@ export default class SiderMenu extends PureComponent {
     }
     return ItemDom;
   };
-  handleOpenChange = (openKeys) => {
-    const lastOpenKey = openKeys[openKeys.length - 1];
-    const isMainMenu = this.menus.some(
+  isMainMenu = (key) => {
+    return this.menus.some(
       item =>
-        lastOpenKey && (item.key === lastOpenKey || item.path === lastOpenKey),
+        key && (item.key === key || item.path === key),
     );
+  }
+  handleOpenChange = (openKeys) => {
+    const lastOpenKey = openKeys[openKeys.length - 1];
+    const moreThanOne = openKeys.filter(openKey => this.isMainMenu(openKey)).length > 1;
     this.setState({
-      openKeys: isMainMenu ? [lastOpenKey] : [...openKeys],
+      openKeys: moreThanOne ? [lastOpenKey] : [...openKeys],
     });
   };
   render() {
-- 
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