统一管理后台分页样式

- 新建 AdminTablePagination 组件，统一分页 UI
- 改造 6 个前端页面使用统一分页组件：
  - 管理员管理
  - 用户管理
  - 申诉管理
  - 审计日志
  - 公告管理
  - 钱包流水
- 订单管理前后端完整改造：
  - 后端：添加 PaginatedResult 结构，支持 page/page_size 参数
  - 前端：API 支持分页参数，页面使用统一分页组件
- 所有列表页分页样式统一为商品管理的 .table-pagination 设计

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/src/features/admin/views/AdminAnnouncementsView.vue

@@ -15,6 +15,7 @@ import {
 import type { Announcement } from '@/features/announcement'
 import { formatDateTime } from '@/utils/time'
 import AnnouncementDialog from '../components/AnnouncementDialog.vue'
+import AdminTablePagination from '../components/AdminTablePagination.vue'
 
 const loading = ref(false)
 const announcements = ref<Announcement[]>([])
@@ -146,9 +147,13 @@ function handleFilterChange() {
   loadAnnouncements()
 }
 
-function handleSizeChange() {
+async function handlePageChange() {
+  await loadAnnouncements()
+}
+
+async function handleSizeChange() {
   currentPage.value = 1
-  loadAnnouncements()
+  await loadAnnouncements()
 }
 
 function getCategoryLabel(category: string) {
@@ -261,17 +266,14 @@ function getStatusType(status: string): '' | 'success' | 'info' | 'warning' {
         </el-table-column>
       </el-table>
 
-      <div class="pagination-wrap">
-        <el-pagination
-          v-model:current-page="currentPage"
-          v-model:page-size="currentPageSize"
-          :total="total"
-          :page-sizes="[10, 20, 50, 100]"
-          layout="total, sizes, prev, pager, next"
-          @current-change="loadAnnouncements"
-          @size-change="handleSizeChange"
-        />
-      </div>
+      <AdminTablePagination
+        v-if="total > 0"
+        v-model:current-page="currentPage"
+        v-model:page-size="currentPageSize"
+        :total="total"
+        :loading="loading"
+        @page-change="handlePageChange"
+      />
     </div>
 
     <AnnouncementDialog

frontend/src/features/admin/views/AdminAuditLogsView.vue

@@ -4,6 +4,7 @@ import { computed, onMounted, reactive, ref } from 'vue'
 
 import { fetchAdminAuditLogs, type AdminAuditLog } from '@/features/admin/api/adminAudit'
 import { formatDateTime } from '@/utils/time'
+import AdminTablePagination from '../components/AdminTablePagination.vue'
 
 const loading = ref(false)
 const logs = ref<AdminAuditLog[]>([])
@@ -45,9 +46,13 @@ function resetFilters() {
   void loadLogs()
 }
 
-function handleSizeChange() {
+async function handlePageChange() {
+  await loadLogs()
+}
+
+async function handleSizeChange() {
   currentPage.value = 1
-  loadLogs()
+  await loadLogs()
 }
 
 function actorName(row: AdminAuditLog) {
@@ -141,17 +146,14 @@ function actionType(action: string) {
       </el-table-column>
     </el-table>
 
-    <div class="pagination-wrap" v-if="total > 0">
-      <el-pagination
-        v-model:current-page="currentPage"
-        v-model:page-size="currentPageSize"
-        :total="total"
-        :page-sizes="[10, 20, 50, 100]"
-        layout="total, sizes, prev, pager, next"
-        @current-change="loadLogs"
-        @size-change="handleSizeChange"
-      />
-    </div>
+    <AdminTablePagination
+      v-if="total > 0"
+      v-model:current-page="currentPage"
+      v-model:page-size="currentPageSize"
+      :total="total"
+      :loading="loading"
+      @page-change="handlePageChange"
+    />
 
     <el-dialog :model-value="!!activeLog" title="审计明细" width="720px" @update:model-value="activeLog = null">
       <div v-if="activeLog" class="dialog-body">

frontend/src/features/admin/views/AdminDisputesView.vue

@@ -6,6 +6,7 @@ import { arbitrateDispute, fetchAdminDisputes, type Dispute } from '@/features/d
 import { fetchAdminFileBlob } from '@/shared/api/files'
 import { disputeStatusLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'
+import AdminTablePagination from '../components/AdminTablePagination.vue'
 
 const loading = ref(false)
 const submitting = ref(false)
@@ -32,9 +33,13 @@ async function loadDisputes() {
   }
 }
 
-function handleSizeChange() {
+async function handlePageChange() {
+  await loadDisputes()
+}
+
+async function handleSizeChange() {
   currentPage.value = 1
-  loadDisputes()
+  await loadDisputes()
 }
 
 function openArbitration(row: Dispute) {
@@ -132,17 +137,14 @@ function readError(error: unknown, fallback: string) {
       </el-table-column>
     </el-table>
 
-    <div class="pagination-wrap" v-if="total > 0">
-      <el-pagination
-        v-model:current-page="currentPage"
-        v-model:page-size="currentPageSize"
-        :total="total"
-        :page-sizes="[10, 20, 50, 100]"
-        layout="total, sizes, prev, pager, next"
-        @current-change="loadDisputes"
-        @size-change="handleSizeChange"
-      />
-    </div>
+    <AdminTablePagination
+      v-if="total > 0"
+      v-model:current-page="currentPage"
+      v-model:page-size="currentPageSize"
+      :total="total"
+      :loading="loading"
+      @page-change="handlePageChange"
+    />
 
     <el-dialog :model-value="!!activeDispute" title="申诉仲裁" width="560px" @update:model-value="activeDispute = null">
       <div v-if="activeDispute" class="dialog-body">

frontend/src/features/admin/views/AdminMgrUsersView.vue

@@ -8,6 +8,7 @@ import { formatDateTime } from '@/utils/time'
 
 import AdminUserDialog from '../components/AdminUserDialog.vue'
 import AssignRolesDialog from '../components/AssignRolesDialog.vue'
+import AdminTablePagination from '../components/AdminTablePagination.vue'
 
 const showDialog = ref(false)
 const editingAdmin = ref<AdminMgrUser | null>(null)
@@ -141,17 +142,14 @@ const statusLabel: Record<string, string> = {
       </el-table-column>
     </el-table>
 
-    <div class="pagination-wrap" v-if="total > 0">
-      <el-pagination
-        v-model:current-page="currentPage"
-        v-model:page-size="currentPageSize"
-        :total="total"
-        :page-sizes="[10, 20, 50, 100]"
-        layout="total, sizes, prev, pager, next"
-        @current-change="loadAdmins"
-        @size-change="handleSizeChange"
-      />
-    </div>
+    <AdminTablePagination
+      v-if="total > 0"
+      v-model:current-page="currentPage"
+      v-model:page-size="currentPageSize"
+      :total="total"
+      :loading="loading"
+      @page-change="loadAdmins"
+    />
 
     <!-- 新建/编辑对话框 -->
     <AdminUserDialog

frontend/src/features/admin/views/AdminOrdersView.vue

@@ -1,17 +1,34 @@
 <script setup lang="ts">
-import { computed, ref } from 'vue'
+import { computed, onMounted, ref } from 'vue'
 
 import { fetchAdminOrders, type Order } from '@/features/orders'
-import { useAdminTable } from '@/features/admin/composables/useAdminTable'
 import { handoffStatusLabel, orderStatusLabel, settlementStatusLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'
+import AdminTablePagination from '../components/AdminTablePagination.vue'
 
 const status = ref('')
+const loading = ref(false)
+const orders = ref<Order[]>([])
+const total = ref(0)
+const currentPage = ref(1)
+const currentPageSize = ref(20)
 
-const { loading, data: orders, load: loadOrders } = useAdminTable<Order[]>({
-  fetchFn: fetchAdminOrders,
-  initialData: [],
-})
+onMounted(loadOrders)
+
+async function loadOrders() {
+  loading.value = true
+  try {
+    const result = await fetchAdminOrders(currentPage.value, currentPageSize.value)
+    orders.value = result.items
+    total.value = result.total
+  } finally {
+    loading.value = false
+  }
+}
+
+async function handlePageChange() {
+  await loadOrders()
+}
 
 const filteredOrders = computed(() => {
   if (!status.value) return orders.value
@@ -74,5 +91,14 @@ const filteredOrders = computed(() => {
         </template>
       </el-table-column>
     </el-table>
+
+    <AdminTablePagination
+      v-if="total > 0"
+      v-model:current-page="currentPage"
+      v-model:page-size="currentPageSize"
+      :total="total"
+      :loading="loading"
+      @page-change="handlePageChange"
+    />
   </section>
 </template>

frontend/src/features/admin/views/AdminUsersView.vue

@@ -6,6 +6,7 @@ import { fetchAdminUsers, freezeAdminUser, unfreezeAdminUser, type AdminUserItem
 import { useAdminPaginatedTable } from '@/features/admin/composables/useAdminPaginatedTable'
 import { userStatusLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'
+import AdminTablePagination from '../components/AdminTablePagination.vue'
 
 const submitting = ref(false)
 const activeUser = ref<AdminUserItem | null>(null)
@@ -88,17 +89,14 @@ function readError(error: unknown, fallback: string) {
       </el-table-column>
     </el-table>
 
-    <div class="pagination-wrap" v-if="total > 0">
-      <el-pagination
-        v-model:current-page="currentPage"
-        v-model:page-size="currentPageSize"
-        :total="total"
-        :page-sizes="[10, 20, 50, 100]"
-        layout="total, sizes, prev, pager, next"
-        @current-change="loadUsers"
-        @size-change="handleSizeChange"
-      />
-    </div>
+    <AdminTablePagination
+      v-if="total > 0"
+      v-model:current-page="currentPage"
+      v-model:page-size="currentPageSize"
+      :total="total"
+      :loading="loading"
+      @page-change="loadUsers"
+    />
 
     <el-dialog :model-value="!!activeUser" title="冻结用户" width="560px" @update:model-value="activeUser = null">
       <div v-if="activeUser" class="dialog-body">

frontend/src/features/admin/views/AdminWalletLedgerView.vue

@@ -5,6 +5,7 @@ import { computed, onMounted, reactive, ref } from 'vue'
 import { fetchAdminWalletLedger, type AdminWalletLedger } from '@/features/admin/api/adminWallet'
 import { balanceTypeLabel, ledgerDirectionLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'
+import AdminTablePagination from '../components/AdminTablePagination.vue'
 
 const loading = ref(false)
 const ledger = ref<AdminWalletLedger[]>([])
@@ -50,9 +51,13 @@ function resetFilters() {
   void loadLedger()
 }
 
-function handleSizeChange() {
+async function handlePageChange() {
+  await loadLedger()
+}
+
+async function handleSizeChange() {
   currentPage.value = 1
-  loadLedger()
+  await loadLedger()
 }
 
 function money(value: number) {
@@ -149,16 +154,13 @@ function directionLabel(direction: string) {
       </el-table-column>
     </el-table>
 
-    <div class="pagination-wrap" v-if="total > 0">
-      <el-pagination
-        v-model:current-page="currentPage"
-        v-model:page-size="currentPageSize"
-        :total="total"
-        :page-sizes="[10, 20, 50, 100]"
-        layout="total, sizes, prev, pager, next"
-        @current-change="loadLedger"
-        @size-change="handleSizeChange"
-      />
-    </div>
+    <AdminTablePagination
+      v-if="total > 0"
+      v-model:current-page="currentPage"
+      v-model:page-size="currentPageSize"
+      :total="total"
+      :loading="loading"
+      @page-change="handlePageChange"
+    />
   </section>
 </template>