From 45c3717d230b3d13ebc389931d96e3ad8ea60dad Mon Sep 17 00:00:00 2001
From: windy <1374721899@qq.com>
Date: Wed, 9 Jun 2021 09:44:06 +0800
Subject: [PATCH] =?UTF-8?q?BI-88256=20fix:=20nashorn=E5=AF=BC=E5=87=BA?=
 =?UTF-8?q?=E5=8F=AA=E5=AF=BC=E5=87=BA=E4=B8=80=E5=8D=8A=E7=9A=84=E5=85=BC?=
 =?UTF-8?q?=E5=AE=B9?=
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---
 src/widget/multiselect/multiselect.loader.js                 | 5 ++++-
 src/widget/multiselect/multiselect.loader.nobar.js           | 4 +++-
 .../multitextvalue.loader.search.js                          | 4 +++-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/widget/multiselect/multiselect.loader.js b/src/widget/multiselect/multiselect.loader.js
index c084839764..fdfb2d1aa7 100644
--- a/src/widget/multiselect/multiselect.loader.js
+++ b/src/widget/multiselect/multiselect.loader.js
@@ -172,7 +172,10 @@ BI.MultiSelectLoader = BI.inherit(BI.Widget, {
     },
 
     populate: function (items) {
-        arguments[0] = this._createItems(items);
+        // arguments.length为0时对arguments[0]赋值后不同环境对其length的取值不同(nashorn)
+        if (BI.isNotNull(items)) {
+            arguments[0] = this._createItems(items);
+        }
         this.button_group.populate.apply(this.button_group, arguments);
     },
 
diff --git a/src/widget/multiselect/multiselect.loader.nobar.js b/src/widget/multiselect/multiselect.loader.nobar.js
index 45b3b6d92c..8f469e62e4 100644
--- a/src/widget/multiselect/multiselect.loader.nobar.js
+++ b/src/widget/multiselect/multiselect.loader.nobar.js
@@ -161,7 +161,9 @@ BI.MultiSelectNoBarLoader = BI.inherit(BI.Widget, {
     },
 
     populate: function (items) {
-        arguments[0] = this._createItems(items);
+        if (BI.isNotNull(items)) {
+            arguments[0] = this._createItems(items);
+        }
         this.button_group.populate.apply(this.button_group, arguments);
     },
 
diff --git a/src/widget/searchmultitextvaluecombo/multitextvalue.loader.search.js b/src/widget/searchmultitextvaluecombo/multitextvalue.loader.search.js
index 8811e5aa7d..65cfeb2175 100644
--- a/src/widget/searchmultitextvaluecombo/multitextvalue.loader.search.js
+++ b/src/widget/searchmultitextvaluecombo/multitextvalue.loader.search.js
@@ -158,7 +158,9 @@ BI.SearchMultiSelectLoader = BI.inherit(BI.Widget, {
     },
 
     populate: function (items) {
-        arguments[0] = this._createItems(items);
+        if (BI.isNotNull(items)) {
+            arguments[0] = this._createItems(items);
+        }
         this.button_group.populate.apply(this.button_group, arguments);
     },