主子表：同步三种模式的代码

src/views/infra/demo04/index.vue

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+<template>
+  <ContentWrap>
+    <!-- 搜索工作栏 -->
+    <el-form
+      class="-mb-15px"
+      :model="queryParams"
+      ref="queryFormRef"
+      :inline="true"
+      label-width="68px"
+    >
+      <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')">
+          <Icon icon="ep:plus" class="mr-5px" /> 新增
+        </el-button>
+        <el-button
+          type="success"
+          plain
+          @click="handleExport"
+          :loading="exportLoading"
+          v-hasPermi="['infra:demo-student:export']"
+        >
+          <Icon icon="ep:download" class="mr-5px" /> 导出
+        </el-button>
+      </el-form-item>
+    </el-form>
+  </ContentWrap>
+
+  <!-- 列表 -->
+  <ContentWrap>
+    <el-table
+      v-loading="loading"
+      :data="list"
+      :stripe="true"
+      :show-overflow-tooltip="true"
+      highlight-current-row
+      @current-change="handleCurrentChange"
+    >
+      <el-table-column label="编号" align="center" prop="id" />
+      <el-table-column label="操作" align="center">
+        <template #default="scope">
+          <el-button link type="primary" @click="openForm('update', scope.row.id)">
+            编辑
+          </el-button>
+          <el-button
+            link
+            type="danger"
+            @click="handleDelete(scope.row.id)"
+            v-hasPermi="['infra:demo-student:delete']"
+          >
+            删除
+          </el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+    <!-- 分页 -->
+    <Pagination
+      :total="total"
+      v-model:page="queryParams.pageNo"
+      v-model:limit="queryParams.pageSize"
+      @pagination="getList"
+    />
+  </ContentWrap>
+
+  <!-- 子列表 -->
+  <ContentWrap>
+    <el-tabs model-value="DemoStudentContact">
+      <el-tab-pane label="联系人信息" name="DemoStudentContact">
+        <DemoStudentContactList :student-id="currentRow.id" />
+      </el-tab-pane>
+      <el-tab-pane label="地址信息" name="DemoStudentAddress">
+        <DemoStudentAddressList :student-id="currentRow.id" />
+      </el-tab-pane>
+    </el-tabs>
+  </ContentWrap>
+
+  <!-- 表单弹窗：添加/修改 -->
+  <DemoStudentForm ref="formRef" @success="getList" />
+</template>
+
+<script setup lang="ts">
+import download from '@/utils/download'
+import * as DemoStudentApi from '@/api/infra/demo02'
+import DemoStudentForm from './DemoStudentForm.vue'
+import DemoStudentContactList from './DemoStudentContactList.vue'
+import DemoStudentAddressList from './DemoStudentAddressList.vue'
+
+defineOptions({ name: 'InfraDemoStudent' })
+
+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
+})
+const queryFormRef = ref() // 搜索的表单
+const exportLoading = ref(false) // 导出的加载中
+const currentRow = ref({}) // 选中行
+
+/** 查询列表 */
+const getList = async () => {
+  loading.value = true
+  try {
+    // const data = await DemoStudentApi.getDemoStudentPage(queryParams)
+    list.value = [
+      {
+        id: 1
+      },
+      {
+        id: 10
+      }
+    ]
+    total.value = 10
+  } finally {
+    loading.value = false
+  }
+}
+
+/** 搜索按钮操作 */
+const handleQuery = () => {
+  queryParams.pageNo = 1
+  getList()
+}
+
+/** 重置按钮操作 */
+const resetQuery = () => {
+  queryFormRef.value.resetFields()
+  handleQuery()
+}
+
+/** 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)
+}
+
+/** 删除按钮操作 */
+const handleDelete = async (id: number) => {
+  try {
+    // 删除的二次确认
+    await message.delConfirm()
+    // 发起删除
+    await DemoStudentApi.deleteDemoStudent(id)
+    message.success(t('common.delSuccess'))
+    // 刷新列表
+    await getList()
+  } catch {}
+}
+
+/** 导出按钮操作 */
+const handleExport = async () => {
+  try {
+    // 导出的二次确认
+    await message.exportConfirm()
+    // 发起导出
+    exportLoading.value = true
+    const data = await DemoStudentApi.exportDemoStudent(queryParams)
+    download.excel(data, '学生.xls')
+  } catch {
+  } finally {
+    exportLoading.value = false
+  }
+}
+
+/** 选中行操作 */
+const handleCurrentChange = (row) => {
+  console.log(currentRow.value, '==== currentRow.value ====')
+  console.log(row, '==== row ====')
+  currentRow.value = row
+}
+
+/** 初始化 **/
+onMounted(() => {
+  getList()
+})
+</script>