优化服务器端分页

web/src/views/StudentStatusChangesView.vue

@@ -23,6 +23,11 @@ const selected = ref<any | null>(null)
 const reviewApproved = ref(true)
 const applyForm = reactive({ type: '', reason: '' })
 const reviewForm = reactive({ comment: '' })
+const page = ref(1)
+const total = ref(0)
+const actionableTotal = ref(0)
+const finishedTotal = ref(0)
+const pageSize = 20
 
 const typeLabels: Record<string, string> = {
   Suspension: '休学',
@@ -48,10 +53,6 @@ const steps = [
   { label: '学院审核', state: 'CounselorApproved' },
   { label: '校级审批', state: 'CollegeApproved' },
 ]
-const currentQueue = computed(() => changes.value.filter(canReview))
-const finishedCount = computed(() =>
-  changes.value.filter((x) => ['Approved', 'Rejected', 'Cancelled'].includes(x.state)).length)
-
 function dateText(value?: string) {
   if (!value) return '—'
   return new Intl.DateTimeFormat('zh-CN', {
@@ -90,14 +91,24 @@ function stateTagType(state: ChangeState) {
   return 'warning'
 }
 
-async function load() {
+async function load(resetPage = false) {
+  if (resetPage) page.value = 1
   loading.value = true
   try {
-    const requests = [http.get('/student-status-changes')]
+    const requests = [http.get('/student-status-changes', {
+      params: { page: page.value, pageSize },
+    })]
     if (isStudent.value) requests.push(http.get('/student-status-changes/options'))
     const [changeResponse, optionResponse] = await Promise.all(requests)
-    changes.value = changeResponse.data
+    changes.value = changeResponse.data.items
+    total.value = changeResponse.data.total
+    actionableTotal.value = changeResponse.data.actionableTotal
+    finishedTotal.value = changeResponse.data.finishedTotal
     if (optionResponse) options.value = optionResponse.data
+    if (changes.value.length === 0 && page.value > 1) {
+      page.value--
+      await load()
+    }
   } catch (error) {
     ElMessage.error(apiErrorMessage(error))
   } finally {
@@ -118,7 +129,7 @@ async function submitApply() {
     await http.post('/student-status-changes', applyForm)
     applyDialog.value = false
     ElMessage.success('申请已提交，等待辅导员审核。')
-    await load()
+    await load(true)
   } catch (error) {
     ElMessage.error(apiErrorMessage(error))
   }
@@ -177,7 +188,7 @@ onMounted(load)
         :disabled="options?.hasPending || !options?.types?.length"
         @click="openApply"
       >发起申请</el-button>
-      <el-button v-else :icon="RefreshRight" @click="load">刷新队列</el-button>
+      <el-button v-else :icon="RefreshRight" @click="() => load()">刷新队列</el-button>
     </section>
 
     <section v-if="isStudent && options" class="status-identity">
@@ -194,9 +205,9 @@ onMounted(load)
     </section>
 
     <section v-if="!isStudent" class="status-review-summary">
-      <div><span>当前待我审核</span><b>{{ currentQueue.length }}</b><small>件</small></div>
-      <div><span>辖区申请总数</span><b>{{ changes.length }}</b><small>件</small></div>
-      <div><span>已结束</span><b>{{ finishedCount }}</b><small>件</small></div>
+      <div><span>当前待我审核</span><b>{{ actionableTotal }}</b><small>件</small></div>
+      <div><span>辖区申请总数</span><b>{{ total }}</b><small>件</small></div>
+      <div><span>已结束</span><b>{{ finishedTotal }}</b><small>件</small></div>
       <p>系统仅开放当前审核层级的操作，所有越级请求都会由服务端拒绝。</p>
     </section>
 
@@ -243,6 +254,15 @@ onMounted(load)
         </footer>
       </article>
       <el-empty v-if="!changes.length && !loading" :description="isStudent ? '尚未提交学籍异动申请' : '当前辖区暂无学籍异动申请'" />
+      <el-pagination
+        v-if="total > pageSize"
+        v-model:current-page="page"
+        :page-size="pageSize"
+        :total="total"
+        layout="total, prev, pager, next"
+        class="table-pagination"
+        @current-change="() => load()"
+      />
     </section>
 
     <el-dialog v-model="applyDialog" title="发起学籍异动申请" width="620px">