update 树节点修改，标准分解单样式调整

src/views/documentTool/documentSplit/DocumentSplitDetail.vue

@@ -6,15 +6,14 @@
         <a-input-search class="tree-search" v-model="searchValue" :placeholder="$t('nodeQuickLookup')" @search="onSearch" />
         <div class="page-tree-box page-tree-box-has-search">
           <a-spin :spinning="loading">
-            <a-tree :show-line="true" :show-icon="true" :tree-data="treeData" :selected-keys="selectedKeys">
-              <a-icon type="folder" slot="folder" class="tree-icon" />
-              <a-icon type="file" slot="file" class="tree-icon" />
+            <a-tree :show-line="true" :show-icon="false" :tree-data="treeData" :selected-keys="selectedKeys">
 
-              <template #custom="record">
+              <template #title="record">
                 <div class="tree-operate-node"
                      @mouseenter="handleTreeMouseover(record.key)"
                      @mouseleave="handleTreeMouseout(record.key)"
                      @click="handleSelectTreeNode(record)">
+                  <a-icon class="parent-node-icon" type="folder" v-if="record.dataRef.children && record.dataRef.children.length > 0" />
                   <a-tooltip>
                     <template #title>
                       {{ record.title }}
@@ -561,4 +560,15 @@ export default {
   width: 100%;
   display: flex;
 }
+
+/deep/ .ant-tree li span.ant-tree-switcher.ant-tree-switcher-noop {
+  color: #1D2129;
+}
+
+.parent-node-icon {
+  color: #1D2129;
+  font-size: 16px;
+  margin-right: 10px;
+}
+
 </style>