From 7984fdfd20dce89671e26e59ea4bb371cc7e75f4 Mon Sep 17 00:00:00 2001
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 <15040126243@163.com>
Date: Mon, 11 Apr 2022 12:09:42 +0800
Subject: [PATCH] =?UTF-8?q?update=20=E6=BC=94=E7=A4=BA=E6=A0=91=E8=A1=A8?=
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---
 ruoyi-ui/src/views/demo/tree/index.vue | 28 +++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/ruoyi-ui/src/views/demo/tree/index.vue b/ruoyi-ui/src/views/demo/tree/index.vue
index 072786e28..6cfa7f243 100644
--- a/ruoyi-ui/src/views/demo/tree/index.vue
+++ b/ruoyi-ui/src/views/demo/tree/index.vue
@@ -39,14 +39,24 @@
           v-hasPermi="['demo:tree:add']"
         >新增</el-button>
       </el-col>
+      <el-col :span="1.5">
+        <el-button
+          type="info"
+          plain
+          icon="el-icon-sort"
+          size="mini"
+          @click="toggleExpandAll"
+        >展开/折叠</el-button>
+      </el-col>
       <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
     </el-row>
 
     <el-table
+      v-if="refreshTable"
       v-loading="loading"
       :data="treeList"
       row-key="id"
-      default-expand-all
+      :default-expand-all="isExpandAll"
       :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
     >
       <el-table-column label="父id" prop="parentId" />
@@ -54,12 +64,12 @@
       <el-table-column label="用户id" align="center" prop="userId" />
       <el-table-column label="树节点名" align="center" prop="treeName" />
       <el-table-column label="创建时间" align="center" prop="createTime" width="180">
-        <template slot-scope="scope">
+        <template #default="scope">
           <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
         </template>
       </el-table-column>
       <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
-        <template slot-scope="scope">
+        <template #default="scope">
           <el-button
             size="mini"
             type="text"
@@ -135,6 +145,10 @@ export default {
       title: "",
       // 是否显示弹出层
       open: false,
+      // 是否展开，默认全部展开
+      isExpandAll: true,
+      // 重新渲染表格状态
+      refreshTable: true,
       // 创建时间时间范围
       daterangeCreateTime: [],
       // 查询参数
@@ -233,6 +247,14 @@ export default {
       this.open = true;
       this.title = "添加测试树表";
     },
+    /** 展开/折叠操作 */
+    toggleExpandAll() {
+      this.refreshTable = false;
+      this.isExpandAll = !this.isExpandAll;
+      this.$nextTick(() => {
+        this.refreshTable = true;
+      });
+    },
     /** 修改按钮操作 */
     handleUpdate(row) {
       this.loading = true;