From 6a6ce2db9ce48e93613367ba79d455a92b8b4290 Mon Sep 17 00:00:00 2001
From: lideqin <694785430@qq.com>
Date: Thu, 20 Jun 2024 10:34:02 +0800
Subject: [PATCH] =?UTF-8?q?[update]=20=E5=A4=96=E6=9D=A5=E6=A0=87=E5=87=86?=
 =?UTF-8?q?=E6=B3=95=E8=A7=84?=
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---
 .../foreignStandard/ForeignStandardList.vue   | 24 +++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/views/standardRegulationLibrary/foreignStandard/ForeignStandardList.vue b/src/views/standardRegulationLibrary/foreignStandard/ForeignStandardList.vue
index f1e0998..a2e4d3d 100644
--- a/src/views/standardRegulationLibrary/foreignStandard/ForeignStandardList.vue
+++ b/src/views/standardRegulationLibrary/foreignStandard/ForeignStandardList.vue
@@ -341,8 +341,17 @@ export default {
         this.filters.nodeCode = null
         if (res.success) {
           this.treeData = res.result || []
-          // 根节点默认展开
-          this.expandedKeys = [this.treeData[0].key]
+          if (this.expandedKeys.length <= 0) {
+            // 根节点默认展开
+            this.expandedKeys = [this.treeData[0].key]
+          } else {
+            const treeDataList = this.getTreeDataList(this.treeData)
+            const treeDataListKeys = treeDataList.map(item => item.key)
+            // 不是叶子结点的结点
+            const notLeafKeys = treeDataList.filter(item => !item.leaf).map(item => item.key)
+            // 还存在的树节点并且还有子节点的展开节点依然展开
+            this.expandedKeys = this.expandedKeys.filter(item => treeDataListKeys.includes(item) && notLeafKeys.includes(item))
+          }
         } else {
           this.$message.warn(res.message)
         }
@@ -350,6 +359,17 @@ export default {
         this.treeLoading = false
       })
     },
+    getTreeDataList (treeData) {
+      let treeDataList = []
+      for (const item of treeData) {
+        treeDataList.push(item)
+        if (item.children && item.children.length > 0) {
+          const list = this.getTreeDataList(item.children)
+          treeDataList = treeDataList.concat(list)
+        }
+      }
+      return treeDataList
+    },
     /**
      * 树节点查询
      */