From 451a1df48b1da58cb7c125731f99b53eab99bccf Mon Sep 17 00:00:00 2001
From: sunxiaobin89 <285584806@qq.com>
Date: Wed, 14 Jun 2023 11:38:11 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=20treeTable=20`expandAllDefa?=
 =?UTF-8?q?ult`=20=E6=98=AF=E5=90=A6=E9=BB=98=E8=AE=A4=E5=B1=95=E5=BC=80?=
 =?UTF-8?q?=E5=85=A8=E9=83=A8=E8=8A=82=E7=82=B9?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 src/modules/treeTable.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/modules/treeTable.js b/src/modules/treeTable.js
index 0da38eac..c5cc0f6c 100644
--- a/src/modules/treeTable.js
+++ b/src/modules/treeTable.js
@@ -230,6 +230,7 @@ layui.define(['table'], function (exports) {
         id: "id", // 唯一标识的属性名称
         pid: "parentId", // 父节点唯一标识的属性名称
         icon: "icon", // 图标的属性名称
+        expandAllDefault: false, // 默认展开所有节点
       },
       view: {
         indent: 14, // 层级缩进量
@@ -738,6 +739,7 @@ layui.define(['table'], function (exports) {
         }
       }
     } else {
+      treeTableThat.isExpandAll = false;
       // 关闭
       if (sonSign && !isToggle) { // 非状态切换的情况下
         layui.each(childNodes, function (i1, item1) {
@@ -812,8 +814,9 @@ layui.define(['table'], function (exports) {
     }
 
     var that = getThisTable(id);
-    if(!that) return;
+    if (!that) return;
 
+    that.isExpandAll = expandFlag;
     var options = that.getOptions();
     var treeOptions = options.tree;
     var tableView = options.elem.next();
@@ -1014,6 +1017,10 @@ layui.define(['table'], function (exports) {
       });
     });
 
+    if (!level && treeOptions.view.expandAllDefault && that.isExpandAll === undefined) {
+      return treeTable.expandAll(tableId, true); // 默认展开全部
+    }
+
     // 当前层的数据看看是否需要展开
     if (sonSign !== false && dataExpand) {
       layui.each(dataExpand, function (index, item) {