From 9bccddc9d7af650ca0bd26a48ed64f72d63fc6d7 Mon Sep 17 00:00:00 2001
From: Dailer <Dailer@fanruan.com>
Date: Tue, 8 Mar 2022 21:15:46 +0800
Subject: [PATCH 1/3] =?UTF-8?q?=E6=97=A0JRIA=20tab=E5=9C=A8single:true?=
 =?UTF-8?q?=E7=8A=B6=E6=80=81=E4=B8=8B=E6=94=AF=E6=8C=81keepAlive?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/base/combination/tab.js        | 11 +++++++++--
 typescript/base/combination/tab.ts |  1 +
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/base/combination/tab.js b/src/base/combination/tab.js
index 664b0c09a..06a9a06fd 100644
--- a/src/base/combination/tab.js
+++ b/src/base/combination/tab.js
@@ -15,7 +15,8 @@ BI.Tab = BI.inherit(BI.Widget, {
             tab: false,
             cardCreator: function (v) {
                 return BI.createWidget();
-            }
+            },
+            keepAlives: []
         });
     },
 
@@ -60,7 +61,7 @@ BI.Tab = BI.inherit(BI.Widget, {
         var self = this, o = this.options;
         if (o.single === true) {
             BI.each(this.cardMap, function (name, card) {
-                if (name !== (currCardName + "")) {
+                if (name !== (currCardName + "") && self._keepAlive(name) !== true) {
                     self.layout.deleteCardByName(name);
                     delete self.cardMap[name];
                 }
@@ -76,6 +77,12 @@ BI.Tab = BI.inherit(BI.Widget, {
         }
     },
 
+    _keepAlive: function (v) {
+        var o = this.options;
+        var keepAlives = BI.isFunction(o.keepAlives) ? o.keepAlives() : o.keepAlives;
+        return BI.contains(keepAlives, v);
+    },
+
     created: function () {
         var o = this.options;
         if (o.showIndex !== false) {
diff --git a/typescript/base/combination/tab.ts b/typescript/base/combination/tab.ts
index 611c3e9c0..fa4cc8b25 100644
--- a/typescript/base/combination/tab.ts
+++ b/typescript/base/combination/tab.ts
@@ -15,6 +15,7 @@ export declare class Tab extends Widget {
             dynamic: boolean;
         };
         tab?: Obj;
+        keepAlives?: string[] | ((cardName: string) => boolean)
     }
 
     setSelect(v: string | number, action?: Action, callback?: Function): void;

From 8b0aff255c9c0fb546f7bf511fd5df931359ad92 Mon Sep 17 00:00:00 2001
From: Dailer <Dailer@fanruan.com>
Date: Tue, 8 Mar 2022 22:15:27 +0800
Subject: [PATCH 2/3] =?UTF-8?q?=E6=97=A0JRIA=20tab=E5=9C=A8single:true?=
 =?UTF-8?q?=E7=8A=B6=E6=80=81=E4=B8=8B=E6=94=AF=E6=8C=81keepAlive?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/router/router.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/router/router.js b/src/router/router.js
index 93a661d84..4ee289f88 100644
--- a/src/router/router.js
+++ b/src/router/router.js
@@ -3179,7 +3179,8 @@
           ref: function (_ref) {
             self.tab = _ref;
           },
-          single: false, // 是不是单页面
+          single: o.single, // 是不是单页面
+          keepAlives: o.keepAlives,
           logic: {
             dynamic: false
           },

From bc81cb3714ec77681bb49fdef53fd9ad83724006 Mon Sep 17 00:00:00 2001
From: zsmj <zsmj1994@gmail.com>
Date: Wed, 9 Mar 2022 09:19:48 +0800
Subject: [PATCH 3/3] =?UTF-8?q?=E6=97=A0JRIA=20tab=E5=9C=A8single:true?=
 =?UTF-8?q?=E7=8A=B6=E6=80=81=E4=B8=8B=E6=94=AF=E6=8C=81keepAlive?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/base/combination/tab.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/base/combination/tab.js b/src/base/combination/tab.js
index 33321322d..30259e71a 100644
--- a/src/base/combination/tab.js
+++ b/src/base/combination/tab.js
@@ -85,8 +85,8 @@ BI.Tab = BI.inherit(BI.Widget, {
 
     _keepAlive: function (v) {
         var o = this.options;
-        var keepAlives = BI.isFunction(o.keepAlives) ? o.keepAlives() : o.keepAlives;
-        return BI.contains(keepAlives, v);
+        return BI.isFunction(o.keepAlives) ? o.keepAlives(v) : BI.contains(o.keepAlives, v);
+
     },
 
     created: function () {