diff --git a/src/api/infra/demo/demo02/index.ts b/src/api/infra/demo/demo02/index.ts
new file mode 100644
index 00000000..21e45c90
--- /dev/null
+++ b/src/api/infra/demo/demo02/index.ts
@@ -0,0 +1,37 @@
+import request from '@/config/axios'
+
+export interface Demo02CategoryVO {
+  id: number
+  name: string
+  parentId: number
+}
+
+// 查询示例分类列表
+export const getDemo02CategoryList = async (params) => {
+  return await request.get({ url: `/infra/demo02-category/list`, params })
+}
+
+// 查询示例分类详情
+export const getDemo02Category = async (id: number) => {
+  return await request.get({ url: `/infra/demo02-category/get?id=` + id })
+}
+
+// 新增示例分类
+export const createDemo02Category = async (data: Demo02CategoryVO) => {
+  return await request.post({ url: `/infra/demo02-category/create`, data })
+}
+
+// 修改示例分类
+export const updateDemo02Category = async (data: Demo02CategoryVO) => {
+  return await request.put({ url: `/infra/demo02-category/update`, data })
+}
+
+// 删除示例分类
+export const deleteDemo02Category = async (id: number) => {
+  return await request.delete({ url: `/infra/demo02-category/delete?id=` + id })
+}
+
+// 导出示例分类 Excel
+export const exportDemo02Category = async (params) => {
+  return await request.download({ url: `/infra/demo02-category/export-excel`, params })
+}
\ No newline at end of file
diff --git a/src/api/infra/demo02/index.ts b/src/api/infra/demo02/index.ts
deleted file mode 100644
index 500adde5..00000000
--- a/src/api/infra/demo02/index.ts
+++ /dev/null
@@ -1,49 +0,0 @@
-import request from '@/config/axios'
-
-export interface DemoStudentVO {
-  id: number
-}
-
-// 查询学生列表
-export const getDemoStudentPage = async (params) => {
-  return await request.get({ url: `/infra/demo-student/page`, params })
-}
-
-// 查询学生详情
-export const getDemoStudent = async (id: number) => {
-  return await request.get({ url: `/infra/demo-student/get?id=` + id })
-}
-
-// 新增学生
-export const createDemoStudent = async (data: DemoStudentVO) => {
-  return await request.post({ url: `/infra/demo-student/create`, data })
-}
-
-// 修改学生
-export const updateDemoStudent = async (data: DemoStudentVO) => {
-  return await request.put({ url: `/infra/demo-student/update`, data })
-}
-
-// 删除学生
-export const deleteDemoStudent = async (id: number) => {
-  return await request.delete({ url: `/infra/demo-student/delete?id=` + id })
-}
-
-// 导出学生 Excel
-export const exportDemoStudent = async (params) => {
-  return await request.download({ url: `/infra/demo-student/export-excel`, params })
-}
-
-// 获得学生联系人列表
-export const getDemoStudentContactListByStudentId = async (studentId) => {
-  return await request.get({
-    url: `/infra/demo-student/demo-student/list-by-student-id?studentId=` + studentId
-  })
-}
-
-// 获得学生地址
-export const getDemoStudentAddressByStudentId = async (studentId) => {
-  return await request.get({
-    url: `/infra/demo-student/demo-student/get-by-student-id?studentId=` + studentId
-  })
-}
diff --git a/src/views/infra/demo02/DemoStudentForm.vue b/src/views/infra/demo/demo02/Demo02CategoryForm.vue
similarity index 55%
rename from src/views/infra/demo02/DemoStudentForm.vue
rename to src/views/infra/demo/demo02/Demo02CategoryForm.vue
index e9454c0f..9002d5ee 100644
--- a/src/views/infra/demo02/DemoStudentForm.vue
+++ b/src/views/infra/demo/demo02/Demo02CategoryForm.vue
@@ -6,16 +6,21 @@
       :rules="formRules"
       label-width="100px"
       v-loading="formLoading"
-    />
-    <!-- 子表的表单 -->
-    <el-tabs v-model="subTabsName">
-      <el-tab-pane label="学生联系人" name="demoStudentContact">
-        <DemoStudentContactForm ref="demoStudentContactFormRef" :student-id="formData.id" />
-      </el-tab-pane>
-      <el-tab-pane label="学生地址" name="demoStudentAddress">
-        <DemoStudentAddressForm ref="demoStudentAddressFormRef" :student-id="formData.id" />
-      </el-tab-pane>
-    </el-tabs>
+    >
+      <el-form-item label="名字" prop="name">
+        <el-input v-model="formData.name" placeholder="请输入名字" />
+      </el-form-item>
+      <el-form-item label="父级编号" prop="parentId">
+        <el-tree-select
+          v-model="formData.parentId"
+          :data="demo02CategoryTree"
+          :props="defaultProps"
+          check-strictly
+          default-expand-all
+          placeholder="请选择父级编号"
+        />
+      </el-form-item>
+    </el-form>
     <template #footer>
       <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
       <el-button @click="dialogVisible = false">取 消</el-button>
@@ -23,9 +28,8 @@
   </Dialog>
 </template>
 <script setup lang="ts">
-import * as DemoStudentApi from '@/api/infra/demo02'
-import DemoStudentContactForm from './DemoStudentContactForm.vue'
-import DemoStudentAddressForm from './DemoStudentAddressForm.vue'
+import * as Demo02CategoryApi from '@/api/infra/demo/demo02'
+import { defaultProps, handleTree } from '@/utils/tree'
 
 const { t } = useI18n() // 国际化
 const message = useMessage() // 消息弹窗
@@ -35,15 +39,16 @@ const dialogTitle = ref('') // 弹窗的标题
 const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
 const formType = ref('') // 表单的类型：create - 新增；update - 修改
 const formData = ref({
-  id: undefined
+  id: undefined,
+  name: undefined,
+  parentId: undefined
+})
+const formRules = reactive({
+  name: [{ required: true, message: '名字不能为空', trigger: 'blur' }],
+  parentId: [{ required: true, message: '父级编号不能为空', trigger: 'blur' }]
 })
-const formRules = reactive({})
 const formRef = ref() // 表单 Ref
-
-/** 子表的表单 */
-const subTabsName = ref('demoStudentContact')
-const demoStudentContactFormRef = ref()
-const demoStudentAddressFormRef = ref()
+const demo02CategoryTree = ref() // 树形结构
 
 /** 打开弹窗 */
 const open = async (type: string, id?: number) => {
@@ -55,11 +60,12 @@ const open = async (type: string, id?: number) => {
   if (id) {
     formLoading.value = true
     try {
-      formData.value = await DemoStudentApi.getDemoStudent(id)
+      formData.value = await Demo02CategoryApi.getDemo02Category(id)
     } finally {
       formLoading.value = false
     }
   }
+  await getDemo02CategoryTree()
 }
 defineExpose({ open }) // 提供 open 方法，用于打开弹窗
 
@@ -68,31 +74,15 @@ const emit = defineEmits(['success']) // 定义 success 事件，用于操作成
 const submitForm = async () => {
   // 校验表单
   await formRef.value.validate()
-  // 校验子表单
-  try {
-    await demoStudentContactFormRef.value.validate()
-  } catch (e) {
-    subTabsName.value = 'demoStudentContact'
-    return
-  }
-  try {
-    await demoStudentAddressFormRef.value.validate()
-  } catch (e) {
-    subTabsName.value = 'demoStudentAddress'
-    return
-  }
   // 提交请求
   formLoading.value = true
   try {
-    const data = formData.value as unknown as DemoStudentApi.DemoStudentVO
-    // 拼接子表的数据
-    data.demoStudentContacts = demoStudentContactFormRef.value.getData()
-    data.demoStudentAddress = demoStudentAddressFormRef.value.getData()
+    const data = formData.value as unknown as Demo02CategoryApi.Demo02CategoryVO
     if (formType.value === 'create') {
-      await DemoStudentApi.createDemoStudent(data)
+      await Demo02CategoryApi.createDemo02Category(data)
       message.success(t('common.createSuccess'))
     } else {
-      await DemoStudentApi.updateDemoStudent(data)
+      await Demo02CategoryApi.updateDemo02Category(data)
       message.success(t('common.updateSuccess'))
     }
     dialogVisible.value = false
@@ -106,8 +96,19 @@ const submitForm = async () => {
 /** 重置表单 */
 const resetForm = () => {
   formData.value = {
-    id: undefined
+    id: undefined,
+    name: undefined,
+    parentId: undefined
   }
   formRef.value?.resetFields()
 }
-</script>
+
+/** 获得示例分类树 */
+const getDemo02CategoryTree = async () => {
+  demo02CategoryTree.value = []
+  const data = await Demo02CategoryApi.getDemo02CategoryList()
+  const root: Tree = { id: 0, name: '顶级示例分类', children: [] }
+  root.children = handleTree(data, 'id', 'parentId')
+  demo02CategoryTree.value.push(root)
+}
+</script>
\ No newline at end of file
diff --git a/src/views/infra/demo02/index.vue b/src/views/infra/demo/demo02/index.vue
similarity index 51%
rename from src/views/infra/demo02/index.vue
rename to src/views/infra/demo/demo02/index.vue
index 89fd656b..e46c77dc 100644
--- a/src/views/infra/demo02/index.vue
+++ b/src/views/infra/demo/demo02/index.vue
@@ -8,10 +8,35 @@
       :inline="true"
       label-width="68px"
     >
+      <el-form-item label="名字" prop="name">
+        <el-input
+          v-model="queryParams.name"
+          placeholder="请输入名字"
+          clearable
+          @keyup.enter="handleQuery"
+          class="!w-240px"
+        />
+      </el-form-item>
+      <el-form-item label="创建时间" prop="createTime">
+        <el-date-picker
+          v-model="queryParams.createTime"
+          value-format="YYYY-MM-DD HH:mm:ss"
+          type="daterange"
+          start-placeholder="开始日期"
+          end-placeholder="结束日期"
+          :default-time="[new Date('1 00:00:00'), new Date('1 23:59:59')]"
+          class="!w-240px"
+        />
+      </el-form-item>
       <el-form-item>
         <el-button @click="handleQuery"><Icon icon="ep:search" class="mr-5px" /> 搜索</el-button>
         <el-button @click="resetQuery"><Icon icon="ep:refresh" class="mr-5px" /> 重置</el-button>
-        <el-button type="primary" plain @click="openForm('create')">
+        <el-button
+          type="primary"
+          plain
+          @click="openForm('create')"
+          v-hasPermi="['infra:demo02-category:create']"
+        >
           <Icon icon="ep:plus" class="mr-5px" /> 新增
         </el-button>
         <el-button
@@ -19,28 +44,52 @@
           plain
           @click="handleExport"
           :loading="exportLoading"
-          v-hasPermi="['infra:demo-student:export']"
+          v-hasPermi="['infra:demo02-category:export']"
         >
           <Icon icon="ep:download" class="mr-5px" /> 导出
         </el-button>
+        <el-button type="danger" plain @click="toggleExpandAll">
+          <Icon icon="ep:sort" class="mr-5px" /> 展开/折叠
+        </el-button>
       </el-form-item>
     </el-form>
   </ContentWrap>
 
   <!-- 列表 -->
   <ContentWrap>
-    <el-table v-loading="loading" :data="list" :stripe="true" :show-overflow-tooltip="true">
+    <el-table
+      v-loading="loading"
+      :data="list"
+      :stripe="true"
+      :show-overflow-tooltip="true"
+      row-key="id"
+      :default-expand-all="isExpandAll"
+      v-if="refreshTable"
+    >
       <el-table-column label="编号" align="center" prop="id" />
+      <el-table-column label="名字" align="center" prop="name" />
+      <el-table-column
+        label="创建时间"
+        align="center"
+        prop="createTime"
+        :formatter="dateFormatter"
+        width="180px"
+      />
       <el-table-column label="操作" align="center">
         <template #default="scope">
-          <el-button link type="primary" @click="openForm('update', scope.row.id)">
+          <el-button
+            link
+            type="primary"
+            @click="openForm('update', scope.row.id)"
+            v-hasPermi="['infra:demo02-category:update']"
+          >
             编辑
           </el-button>
           <el-button
             link
             type="danger"
             @click="handleDelete(scope.row.id)"
-            v-hasPermi="['infra:demo-student:delete']"
+            v-hasPermi="['infra:demo02-category:delete']"
           >
             删除
           </el-button>
@@ -57,25 +106,27 @@
   </ContentWrap>
 
   <!-- 表单弹窗：添加/修改 -->
-  <DemoStudentForm ref="formRef" @success="getList" />
+  <Demo02CategoryForm ref="formRef" @success="getList" />
 </template>
 
 <script setup lang="ts">
+import { dateFormatter } from '@/utils/formatTime'
+import { handleTree } from '@/utils/tree'
 import download from '@/utils/download'
-import * as DemoStudentApi from '@/api/infra/demo02'
-import DemoStudentForm from './DemoStudentForm.vue'
+import * as Demo02CategoryApi from '@/api/infra/demo/demo02'
+import Demo02CategoryForm from './Demo02CategoryForm.vue'
 
-defineOptions({ name: 'InfraDemoStudent' })
+defineOptions({ name: 'Demo02Category' })
 
 const message = useMessage() // 消息弹窗
 const { t } = useI18n() // 国际化
 
 const loading = ref(true) // 列表的加载中
-const total = ref(0) // 列表的总页数
 const list = ref([]) // 列表的数据
 const queryParams = reactive({
-  pageNo: 1,
-  pageSize: 10
+  name: null,
+  parentId: null,
+  createTime: []
 })
 const queryFormRef = ref() // 搜索的表单
 const exportLoading = ref(false) // 导出的加载中
@@ -84,13 +135,8 @@ const exportLoading = ref(false) // 导出的加载中
 const getList = async () => {
   loading.value = true
   try {
-    // const data = await DemoStudentApi.getDemoStudentPage(queryParams)
-    list.value = [
-      {
-        id: 1
-      }
-    ]
-    total.value = 10
+    const data = await Demo02CategoryApi.getDemo02CategoryList(queryParams)
+    list.value = handleTree(data, 'id', 'parentId')
   } finally {
     loading.value = false
   }
@@ -110,10 +156,7 @@ const resetQuery = () => {
 
 /** 添加/修改操作 */
 const formRef = ref()
-// const demoStudentContactFormRef = ref()
 const openForm = (type: string, id?: number) => {
-  // console.log(demoStudentContactFormRef, 'xx demoStudentContactFormRef xx')
-  // demoStudentContactFormRef.value.validate()
   formRef.value.open(type, id)
 }
 
@@ -123,7 +166,7 @@ const handleDelete = async (id: number) => {
     // 删除的二次确认
     await message.delConfirm()
     // 发起删除
-    await DemoStudentApi.deleteDemoStudent(id)
+    await Demo02CategoryApi.deleteDemo02Category(id)
     message.success(t('common.delSuccess'))
     // 刷新列表
     await getList()
@@ -137,16 +180,26 @@ const handleExport = async () => {
     await message.exportConfirm()
     // 发起导出
     exportLoading.value = true
-    const data = await DemoStudentApi.exportDemoStudent(queryParams)
-    download.excel(data, '学生.xls')
+    const data = await Demo02CategoryApi.exportDemo02Category(queryParams)
+    download.excel(data, '示例分类.xls')
   } catch {
   } finally {
     exportLoading.value = false
   }
 }
 
+/** 展开/折叠操作 */
+const isExpandAll = ref(true) // 是否展开，默认全部展开
+const refreshTable = ref(true) // 重新渲染表格状态
+const toggleExpandAll = async () => {
+  refreshTable.value = false
+  isExpandAll.value = !isExpandAll.value
+  await nextTick()
+  refreshTable.value = true
+}
+
 /** 初始化 **/
 onMounted(() => {
   getList()
 })
-</script>
+</script>
\ No newline at end of file
diff --git a/src/views/infra/demo02/DemoStudentAddressForm.vue b/src/views/infra/demo02/DemoStudentAddressForm.vue
deleted file mode 100644
index 6d031406..00000000
--- a/src/views/infra/demo02/DemoStudentAddressForm.vue
+++ /dev/null
@@ -1,126 +0,0 @@
-<template>
-  <el-form
-    ref="formRef"
-    :model="formData"
-    :rules="formRules"
-    label-width="100px"
-    v-loading="formLoading"
-  >
-    <el-form-item label="名字" prop="name">
-      <el-input v-model="formData.name" placeholder="请输入名字" />
-    </el-form-item>
-    <el-form-item label="个人简介">
-      <Editor v-model="formData.description" height="150px" />
-    </el-form-item>
-    <el-form-item label="性别 1" prop="sex1">
-      <el-select v-model="formData.sex1" placeholder="请选择性别 1">
-        <el-option
-          v-for="dict in getStrDictOptions(DICT_TYPE.SYSTEM_SEX1)"
-          :key="dict.value"
-          :label="dict.label"
-          :value="dict.value"
-        />
-      </el-select>
-    </el-form-item>
-    <el-form-item label="性别 2" prop="sex2">
-      <el-checkbox-group v-model="formData.sex2">
-        <el-checkbox
-          v-for="dict in getIntDictOptions(DICT_TYPE.SYSTEM_SEX2)"
-          :key="dict.value"
-          :label="dict.value"
-        >
-          {{ dict.label }}
-        </el-checkbox>
-      </el-checkbox-group>
-    </el-form-item>
-    <el-form-item label="性别 3" prop="sex3">
-      <el-radio-group v-model="formData.sex3">
-        <el-radio
-          v-for="dict in getBoolDictOptions(DICT_TYPE.SYSTEM_SEX3)"
-          :key="dict.value"
-          :label="dict.value"
-        >
-          {{ dict.label }}
-        </el-radio>
-      </el-radio-group>
-    </el-form-item>
-    <el-form-item label="出生日期" prop="birthday">
-      <el-date-picker
-        v-model="formData.birthday"
-        type="date"
-        value-format="x"
-        placeholder="选择出生日期"
-      />
-    </el-form-item>
-    <el-form-item label="备注" prop="memo">
-      <el-input v-model="formData.memo" type="textarea" placeholder="请输入备注" />
-    </el-form-item>
-  </el-form>
-</template>
-<script setup lang="ts">
-import { getIntDictOptions, getStrDictOptions, getBoolDictOptions, DICT_TYPE } from '@/utils/dict'
-import * as DemoStudentApi from '@/api/infra/demo02'
-
-const props = defineProps<{
-  studentId: undefined // 学生编号（主表的关联字段）
-}>()
-const formLoading = ref(false) // 表单的加载中
-const formData = ref([])
-const formRules = reactive({
-  studentId: [{ required: true, message: '学生编号不能为空', trigger: 'blur' }],
-  name: [{ required: true, message: '名字不能为空', trigger: 'blur' }],
-  avatar: [{ required: true, message: '头像不能为空', trigger: 'blur' }],
-  video: [{ required: true, message: '视频不能为空', trigger: 'blur' }],
-  description: [{ required: true, message: '个人简介不能为空', trigger: 'blur' }],
-  sex1: [{ required: true, message: '性别 1不能为空', trigger: 'change' }],
-  sex2: [{ required: true, message: '性别 2不能为空', trigger: 'blur' }],
-  sex3: [{ required: true, message: '性别 3不能为空', trigger: 'blur' }],
-  birthday: [{ required: true, message: '出生日期不能为空', trigger: 'blur' }],
-  memo: [{ required: true, message: '备注不能为空', trigger: 'blur' }]
-})
-const formRef = ref() // 表单 Ref
-
-/** 监听主表的关联字段的变化，加载对应的子表数据 */
-watch(
-  () => props.studentId,
-  async (val) => {
-    // 情况一：val 为空，说明是新增，则置空
-    if (!val) {
-      formData.value = {
-        id: undefined,
-        studentId: undefined,
-        name: undefined,
-        avatar: undefined,
-        video: undefined,
-        description: undefined,
-        sex1: undefined,
-        sex2: [],
-        sex3: undefined,
-        birthday: undefined,
-        memo: undefined
-      }
-      return
-    }
-    // 情况二：val 非空，说明是修改，则加载数据
-    try {
-      formLoading.value = true
-      formData.value = await DemoStudentApi.getDemoStudentAddressByStudentId(val)
-    } finally {
-      formLoading.value = false
-    }
-  },
-  { immediate: true }
-)
-
-/** 表单校验 */
-const validate = () => {
-  return formRef.value.validate()
-}
-
-/** 表单值 */
-const getData = () => {
-  return formData.value
-}
-
-defineExpose({ validate, getData })
-</script>
diff --git a/src/views/infra/demo02/DemoStudentContactForm.vue b/src/views/infra/demo02/DemoStudentContactForm.vue
deleted file mode 100644
index 5f173f14..00000000
--- a/src/views/infra/demo02/DemoStudentContactForm.vue
+++ /dev/null
@@ -1,177 +0,0 @@
-<template>
-  <el-form
-    ref="formRef"
-    :model="formData"
-    :rules="formRules"
-    v-loading="formLoading"
-    label-width="0px"
-    :inline-message="true"
-  >
-    <el-table :data="formData" class="-mt-10px">
-      <el-table-column label="序号" type="index" width="100" />
-      <el-table-column label="名字" width="150">
-        <template #default="{ row, $index }">
-          <el-form-item :prop="`${$index}.name`" :rules="formRules.name" class="mb-0px!">
-            <el-input v-model="row.name" placeholder="请输入名字" />
-          </el-form-item>
-        </template>
-      </el-table-column>
-      <el-table-column label="个人简介" width="400">
-        <template #default="{ row, $index }">
-          <el-form-item
-            :prop="`${$index}.description`"
-            :rules="formRules.description"
-            class="mb-0px!"
-          >
-            <Editor v-model="row.description" height="150px" />
-          </el-form-item>
-        </template>
-      </el-table-column>
-      <el-table-column label="性别 1" width="150">
-        <template #default="{ row, $index }">
-          <el-form-item :prop="`${$index}.sex1`" :rules="formRules.sex1" class="mb-0px!">
-            <el-select v-model="row.sex1" placeholder="请选择性别 1">
-              <el-option
-                v-for="dict in getStrDictOptions(DICT_TYPE.SYSTEM_SEX1)"
-                :key="dict.value"
-                :label="dict.label"
-                :value="dict.value"
-              />
-            </el-select>
-          </el-form-item>
-        </template>
-      </el-table-column>
-      <el-table-column label="性别 2" width="150">
-        <template #default="{ row, $index }">
-          <el-form-item :prop="`${$index}.sex2`" :rules="formRules.sex2" class="mb-0px!">
-            <el-checkbox-group v-model="row.sex2">
-              <el-checkbox
-                v-for="dict in getIntDictOptions(DICT_TYPE.SYSTEM_SEX2)"
-                :key="dict.value"
-                :label="dict.value"
-              >
-                {{ dict.label }}
-              </el-checkbox>
-            </el-checkbox-group>
-          </el-form-item>
-        </template>
-      </el-table-column>
-      <el-table-column label="性别 3" width="150">
-        <template #default="{ row, $index }">
-          <el-form-item :prop="`${$index}.sex3`" :rules="formRules.sex3" class="mb-0px!">
-            <el-radio-group v-model="row.sex3">
-              <el-radio
-                v-for="dict in getBoolDictOptions(DICT_TYPE.SYSTEM_SEX3)"
-                :key="dict.value"
-                :label="dict.value"
-              >
-                {{ dict.label }}
-              </el-radio>
-            </el-radio-group>
-          </el-form-item>
-        </template>
-      </el-table-column>
-      <el-table-column label="出生日期" width="150">
-        <template #default="{ row, $index }">
-          <el-form-item :prop="`${$index}.birthday`" :rules="formRules.birthday" class="mb-0px!">
-            <el-date-picker
-              v-model="row.birthday"
-              type="date"
-              value-format="x"
-              placeholder="选择出生日期"
-            />
-          </el-form-item>
-        </template>
-      </el-table-column>
-      <el-table-column label="备注" width="200">
-        <template #default="{ row, $index }">
-          <el-form-item :prop="`${$index}.memo`" :rules="formRules.memo" class="mb-0px!">
-            <el-input v-model="row.memo" type="textarea" placeholder="请输入备注" />
-          </el-form-item>
-        </template>
-      </el-table-column>
-    </el-table>
-  </el-form>
-  <el-row justify="center" class="mt-3">
-    <el-button @click="handleAdd" round>+ 添加联系人</el-button>
-  </el-row>
-</template>
-<script setup lang="ts">
-import { getIntDictOptions, getStrDictOptions, getBoolDictOptions, DICT_TYPE } from '@/utils/dict'
-import * as DemoStudentApi from '@/api/infra/demo02'
-
-const props = defineProps<{
-  studentId: undefined // 学生编号（主表的关联字段）
-}>()
-const formLoading = ref(false) // 表单的加载中
-const formData = ref([])
-const formRules = reactive({
-  studentId: [{ required: true, message: '学生编号不能为空', trigger: 'blur' }],
-  name: [{ required: true, message: '名字不能为空', trigger: 'blur' }],
-  avatar: [{ required: true, message: '头像不能为空', trigger: 'blur' }],
-  video: [{ required: true, message: '视频不能为空', trigger: 'blur' }],
-  description: [{ required: true, message: '个人简介不能为空', trigger: 'blur' }],
-  sex1: [{ required: true, message: '性别 1不能为空', trigger: 'change' }],
-  sex2: [{ required: true, message: '性别 2不能为空', trigger: 'blur' }],
-  sex3: [{ required: true, message: '性别 3不能为空', trigger: 'blur' }],
-  birthday: [{ required: true, message: '出生日期不能为空', trigger: 'blur' }],
-  memo: [{ required: true, message: '备注不能为空', trigger: 'blur' }]
-})
-const formRef = ref() // 表单 Ref
-
-/** 监听主表的关联字段的变化，加载对应的子表数据 */
-watch(
-  () => props.studentId,
-  async (val) => {
-    // 情况一：val 为空，说明是新增，则置空
-    if (!val) {
-      formData.value = []
-      return
-    }
-    // 情况二：val 非空，说明是修改，则加载数据
-    try {
-      formLoading.value = true
-      formData.value = await DemoStudentApi.getDemoStudentContactListByStudentId(val)
-    } finally {
-      formLoading.value = false
-    }
-  },
-  { immediate: true }
-)
-
-/** 新增按钮操作 */
-const handleAdd = () => {
-  const row = {
-    id: undefined,
-    studentId: undefined,
-    name: undefined,
-    avatar: undefined,
-    video: undefined,
-    description: undefined,
-    sex1: undefined,
-    sex2: [],
-    sex3: undefined,
-    birthday: undefined,
-    memo: undefined
-  }
-  row.studentId = props.studentId
-  formData.value.push(row)
-}
-
-/** 删除按钮操作 */
-const handleDelete = (index) => {
-  formData.value.splice(index, 1)
-}
-
-/** 表单校验 */
-const validate = () => {
-  return formRef.value.validate()
-}
-
-/** 表单值 */
-const getData = () => {
-  return formData.value
-}
-
-defineExpose({ validate, getData })
-</script>
diff --git a/src/views/infra/demo02/bak/DemoStudentAddressForm.vue b/src/views/infra/demo02/bak/DemoStudentAddressForm.vue
deleted file mode 100644
index af4cd8f1..00000000
--- a/src/views/infra/demo02/bak/DemoStudentAddressForm.vue
+++ /dev/null
@@ -1,58 +0,0 @@
-<template>
-  <el-form
-    ref="formRef"
-    :model="formData"
-    :rules="formRules"
-    label-width="100px"
-    v-loading="formLoading"
-  >
-    <el-form-item label="子字段 1" prop="field1">
-      <el-input v-model="formData.field1" placeholder="请输入字段 1" />
-    </el-form-item>
-    <el-form-item label="子字段 2" prop="field2">
-      <el-input v-model="formData.field2" placeholder="请输入字段 2" />
-    </el-form-item>
-    <el-form-item label="子字段 3" prop="field3">
-      <el-input v-model="formData.field3" placeholder="请输入字段 3" />
-    </el-form-item>
-  </el-form>
-</template>
-<script setup lang="ts">
-const props = defineProps<{
-  studentId: undefined // 学生编号
-}>()
-const formLoading = ref(false) // 表单的加载中
-const formData = ref({})
-const formRules = reactive({
-  field1: [required]
-})
-const formRef = ref() // 表单 Ref
-
-/** 监听主表的关联字段的变化，加载对应的子表数据 */
-watch(
-  () => props.studentId,
-  (val) => {
-    if (val) {
-      formData.value = {
-        field2: '番茄',
-        field3: '西瓜'
-      }
-    } else {
-      formData.value = {}
-    }
-  },
-  { immediate: true }
-)
-
-/** 表单校验 */
-const validate = () => {
-  return formRef.value.validate()
-}
-
-/** 表单值 **/
-const getData = () => {
-  return formData.value
-}
-
-defineExpose({ validate, getData })
-</script>