feat：去除多余的管理页面

src/view/ude/access/access.vue

@@ -247,28 +247,19 @@
         </el-form-item>
         <el-form-item label="保护目录" required>
           <div class="directory-list">
+            <!-- 单选模式:固定一行,只展示 form.directories[0];接口仍是数组,固定只传一个元素(后端零改动) -->
             <el-form-item
-              v-for="(item, index) in form.directories"
-              :key="index"
-              :prop="`directories.${index}.directory`"
+              prop="directories.0.directory"
               :rules="{ required: true, message: '请点击下方「选择目录」从服务器选取', trigger: 'blur' }"
             >
               <div class="directory-row">
                 <!-- 只读:保护目录仅能通过「选择目录」树选择回填,不允许手动输入 -->
                 <el-input
-                  v-model="item.directory"
+                  v-model="form.directories[0].directory"
                   readonly
                   placeholder="请点击下方「选择目录」从服务器选取"
                   class="directory-input"
                 />
-                <el-button
-                  v-preReClick
-                  icon="delete"
-                  link
-                  type="danger"
-                  @click="removeDirectory(index)"
-                  >删除
-                </el-button>
               </div>
             </el-form-item>
             <el-button
@@ -294,28 +285,30 @@
     <!-- 服务器本地目录懒加载树弹窗（从根目录 / 开始，只列目录） -->
     <el-dialog
       v-model="localTreeVisible"
-      title="选择保护目录(服务器根目录层级,可多选)"
+      title="选择保护目录(服务器根目录层级)"
       width="560px"
       :before-close="closeLocalTree"
     >
-      <!-- 刷新:换 key 销毁重建树,从根目录重新懒加载(服务器目录有变更时使用),勾选状态一并重置 -->
+      <!-- 刷新:换 key 销毁重建树,从根目录重新懒加载(服务器目录有变更时使用),选中状态一并重置 -->
       <div class="tree-toolbar">
         <el-button v-preReClick icon="refresh" size="small" @click="refreshLocalTree"
           >刷新整个目录</el-button
         >
       </div>
       <!-- v-if: 关闭弹窗即销毁树,重开时按当前表单 IP/port 重新懒加载,避免 lazy 缓存串机器 -->
+      <!-- node-click:点选目录节点即回填并关闭弹窗,省掉「确定」按钮一步(单选模式的即点即选交互) -->
       <el-tree
         v-if="localTreeVisible"
         :key="localTreeKey"
         ref="localTreeRef"
         lazy
-        show-checkbox
+        highlight-current
         node-key="path"
         :load="loadLocalDirNode"
         :props="{ label: 'name', isLeaf: 'leaf' }"
         empty-text="根目录下没有可选目录"
         style="max-height: 420px; overflow-y: auto"
+        @node-click="handleDirNodeClick"
       >
         <template #default="{ data }">
           <el-tooltip :content="data.path" placement="top">
@@ -325,8 +318,7 @@
       </el-tree>
       <template #footer>
         <div class="dialog-footer">
-          <el-button v-preReClick @click="closeLocalTree">取消</el-button>
-          <el-button v-preReClick type="primary" @click="confirmLocalTree">确 定</el-button>
+          <el-button v-preReClick @click="closeLocalTree">取 消</el-button>
         </div>
       </template>
     </el-dialog>
@@ -614,52 +606,16 @@ const loadLocalDirNode = (node, resolve) => {
     .catch(() => resolve([])) // 失败降级为空，不卡树
 }
 
-// 确认勾选：取所有「完全勾选」的节点，父子同时勾选时只保留最上层（被父级
-// 级联带勾的后代丢弃，父目录已覆盖子目录），与已有行合并去重。
-// 注意不能用旧写法 getCheckedNodes(true)(只取叶子)：懒加载树里勾选一个还没
-// 展开的非叶目录(如 /home)时它不算叶子,会回填为空或只回填它已加载的子孙。
-const confirmLocalTree = () => {
-  const tree = localTreeRef.value
-  if (!tree) return
-  // getCheckedNodes(false, false):返回所有完全勾选的节点(含父节点,不含半选)
-  const checked = tree.getCheckedNodes(false, false)
-  if (!checked.length) {
-    ElMessage({ type: 'warning', message: '请至少勾选一个目录' })
-    return
-  }
-  // 1. normalize（解决尾斜杠/多斜杠）
-  const norm = p => p.replace(/\/+/g, '/').replace(/\/$/, '') || '/'
-  // 父路径推导:'/a/b' → '/a','/a' → '/'(根)
-  const seen = new Set()
-  const list = []
-  for (const n of checked) {
-    if (!n || typeof n.path !== 'string') continue
-    const p = norm(n.path)
-    if (seen.has(p)) continue
-    seen.add(p)
-    list.push({ ...n, path: p })
-  }
-  // 3. 叶子过滤
-  const nodes = list.filter(n =>
-    !list.some(m =>
-      m.path !== n.path &&
-      m.path.startsWith(n.path === '/' ? '/' : n.path + '/')
-    )
-  )
-
-  const existing = new Set(
-    form.value.directories.map(d => (d.directory || '').trim()).filter(Boolean)
-  )
-  // 保留已填写的非空行，勾选结果去重后追加
-  const merged = form.value.directories.filter(d => (d.directory || '').trim())
-  for (const n of nodes) {
-    if (!existing.has(n.path)) {
-      merged.push({ directory: n.path })
-      existing.add(n.path)
-    }
-  }
-  form.value.directories = merged.length ? merged : [{ directory: '' }]
-  ElMessage({ type: 'success', message: `已回填 ${nodes.length} 个保护目录` })
+// 点选目录节点即回填并关闭弹窗(单选模式,无「确定」按钮)。
+// node-click 回调的第一个参数就是节点 data({name, path, leaf...}),懒加载树同样适用。
+// 后端接口仍是 directories 数组,前端固定只传一个元素,后端零改动天然兼容。
+const handleDirNodeClick = data => {
+  if (!data || typeof data.path !== 'string') return
+  // normalize(解决尾斜杠/多斜杠):'/a//b/' → '/a/b','/' 根目录保留
+  const p = data.path.replace(/\/+/g, '/').replace(/\/$/, '') || '/'
+  // 固定回填第一行(表单只有这一行)
+  form.value.directories = [{ directory: p }]
+  ElMessage({ type: 'success', message: `已选择保护目录 ${p}` })
   closeLocalTree()
 }
 
@@ -762,13 +718,6 @@ const rules = ref({
   iden: [{ required: true, message: '请选择接入标识', trigger: 'change' }]
 })
 
-const addDirectory = () => {
-  form.value.directories.push({ directory: '' })
-}
-const removeDirectory = index => {
-  form.value.directories.splice(index, 1)
-}
-
 const openDialog = () => {
   type.value = 'create'
   form.value = {
@@ -803,10 +752,8 @@ const updateServiceInfo = row => {
     brush: row.brush || 0,
     // A 方案:记录挂载状态,模板用它置灰密钥下拉框(挂载中禁换密钥)
     mountStatus: row.mountStatus,
-    directories:
-      row.directories && row.directories.length
-        ? row.directories.map(d => ({ id: d.id, directory: d.directory }))
-        : [{ directory: '' }]
+    // 单选模式:只回显第一个目录(历史多目录数据编辑保存后自然收敛为单个)
+    directories: [{ directory: row.directories?.[0]?.directory || '' }]
   }
   dialogFormVisible.value = true
   // 同 openDialog:清掉上一次弹窗残留的校验红框(编辑已挂载服务时 iden 是禁用回显,更不该带红框)
@@ -825,7 +772,9 @@ const closeDialog = () => {
     keyAlgo: 'SM4-CTR',
     status: '启用',
     brush: 0,
-    directories: []
+    // 必须重置为「含一个空行」的数组:模板固定绑定 form.directories[0].directory,
+    // 且 el-dialog 关闭不销毁内容,重置成空数组会让下一次渲染读 undefined.directory 直接报错
+    directories: [{ directory: '' }]
   }
 }