自动排考

2026-07-27 21:27:00 +08:00
parent c3e8a42641
commit 9d9f54a3b0
4 changed files with 443 additions and 92 deletions
@@ -108,8 +108,21 @@ public sealed class ExamsController(
    }

    [HttpGet("plans/{id:guid}")]
-    public async Task<ActionResult> GetPlan(Guid id, CancellationToken cancellationToken)
+    public async Task<ActionResult> GetPlan(
+        Guid id,
+        int page = 1,
+        int pageSize = 20,
+        string? keyword = null,
+        string? allocation = null,
+        CancellationToken cancellationToken = default)
    {
+        page = Math.Max(1, page);
+        pageSize = Math.Clamp(pageSize, 10, 100);
+        keyword = Normalize(keyword);
+        allocation = Normalize(allocation)?.ToLowerInvariant();
+        if (allocation is not null and not ("room" or "invigilator" or "complete"))
+            return ValidationProblem("分配状态筛选值无效。");
+
        var manager = IsManager();
        var plan = await db.ExamPlans.AsNoTracking()
            .Where(x => x.Id == id && (manager || x.Status == ExamPlanStatus.Published))
@@ -122,71 +135,157 @@ public sealed class ExamsController(
                x.Status,
                x.Notes,
                x.PublishedAt,
-                Sessions = x.Sessions.OrderBy(item => item.ExamDate)
-                    .ThenBy(item => item.StartPeriod).Select(item => new
-                    {
-                        item.Id,
-                        item.TeachingTaskId,
-                        item.TeachingTask!.TaskNumber,
-                        TaskName = item.TeachingTask.Name,
-                        CourseCode = item.TeachingTask.Course!.Code,
-                        CourseName = item.TeachingTask.Course.Name,
-                        item.ClassroomId,
-                        ClassroomName = item.Classroom != null ? item.Classroom.Name : null,
-                        BuildingName = item.Classroom != null ? item.Classroom.Building!.Name : null,
-                        ClassroomCapacity = item.Classroom != null ? (int?)item.Classroom.Capacity : null,
-                        item.ExamDate,
-                        item.StartPeriod,
-                        item.PeriodCount,
-                        item.StartsAt,
-                        item.EndsAt,
-                        item.RequiredBuildingId,
-                        RequiredBuildingName = item.RequiredBuilding != null
-                        ? item.RequiredBuilding.Name : null,
-                        item.RequiredInvigilatorCount,
-                        item.Notes,
-                        InvigilatorIds = item.Invigilators.Select(i => i.TeacherId),
-                        InvigilatorNames = item.Invigilators.Select(i => i.Teacher!.Name)
-                    })
+                TotalSessionCount = x.Sessions.Count
            }).FirstOrDefaultAsync(cancellationToken);
        if (plan is null) return NotFound();

-        var roomEntities = await db.ExamRooms.AsNoTracking()
-            .Include(x => x.Classroom)
-                .ThenInclude(x => x!.Building)
-            .Include(x => x.SessionLinks)
-            .Include(x => x.Seats)
-            .Include(x => x.Invigilators)
-                .ThenInclude(x => x.Teacher)
-            .Where(x => x.ExamPlanId == id)
+        var sessionQuery = db.ExamSessions.AsNoTracking()
+            .Where(x => x.ExamPlanId == id);
+        if (keyword is not null)
+        {
+            sessionQuery = sessionQuery.Where(x =>
+                x.TeachingTask!.TaskNumber.Contains(keyword) ||
+                x.TeachingTask.Name.Contains(keyword) ||
+                x.TeachingTask.Course!.Code.Contains(keyword) ||
+                x.TeachingTask.Course.Name.Contains(keyword));
+        }
+
+        sessionQuery = allocation switch
+        {
+            "room" => sessionQuery.Where(x =>
+                !x.RoomLinks.Any() && !x.ClassroomId.HasValue),
+            "invigilator" => sessionQuery.Where(x =>
+                (x.RoomLinks.Any() && x.RoomLinks.Any(link =>
+                    link.ExamRoom!.Invigilators.Count <
+                    x.RequiredInvigilatorCount)) ||
+                (!x.RoomLinks.Any() &&
+                 x.Invigilators.Count < x.RequiredInvigilatorCount)),
+            "complete" => sessionQuery.Where(x =>
+                (x.RoomLinks.Any() || x.ClassroomId.HasValue) &&
+                ((x.RoomLinks.Any() && x.RoomLinks.All(link =>
+                      link.ExamRoom!.Invigilators.Count >=
+                      x.RequiredInvigilatorCount)) ||
+                 (!x.RoomLinks.Any() &&
+                  x.Invigilators.Count >= x.RequiredInvigilatorCount))),
+            _ => sessionQuery
+        };
+
+        var filteredSessionCount = await sessionQuery.CountAsync(cancellationToken);
+        var lastPage = Math.Max(1,
+            (int)Math.Ceiling(filteredSessionCount / (double)pageSize));
+        page = Math.Min(page, lastPage);
+        var sessions = await sessionQuery
+            .OrderBy(item => item.ExamDate)
+            .ThenBy(item => item.StartPeriod)
+            .ThenBy(item => item.TeachingTask!.TaskNumber)
+            .ThenBy(item => item.Id)
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
+            .Select(item => new
+            {
+                item.Id,
+                item.TeachingTaskId,
+                item.TeachingTask!.TaskNumber,
+                TaskName = item.TeachingTask.Name,
+                CourseCode = item.TeachingTask.Course!.Code,
+                CourseName = item.TeachingTask.Course.Name,
+                item.ClassroomId,
+                ClassroomName = item.Classroom != null ? item.Classroom.Name : null,
+                BuildingName = item.Classroom != null
+                    ? item.Classroom.Building!.Name
+                    : null,
+                ClassroomCapacity = item.Classroom != null
+                    ? (int?)item.Classroom.Capacity
+                    : null,
+                item.ExamDate,
+                item.StartPeriod,
+                item.PeriodCount,
+                item.StartsAt,
+                item.EndsAt,
+                item.RequiredBuildingId,
+                RequiredBuildingName = item.RequiredBuilding != null
+                    ? item.RequiredBuilding.Name
+                    : null,
+                item.RequiredInvigilatorCount,
+                item.Notes,
+                InvigilatorIds = item.Invigilators.Select(i => i.TeacherId),
+                InvigilatorNames = item.Invigilators.Select(i => i.Teacher!.Name)
+            })
            .ToListAsync(cancellationToken);
-        var roomsBySession = roomEntities
-            .SelectMany(room => room.SessionLinks.Select(link => new
+        var pageSessionIds = sessions.Select(x => x.Id).ToArray();
+        var scheduledTeachingTaskIds = await db.ExamSessions.AsNoTracking()
+            .Where(x => x.ExamPlanId == id)
+            .OrderBy(x => x.TeachingTaskId)
+            .Select(x => x.TeachingTaskId)
+            .ToListAsync(cancellationToken);
+
+        var roomSessionLinks = await db.ExamRoomSessions.AsNoTracking()
+            .WhereIn(pageSessionIds, x => x.ExamSessionId)
+            .Select(x => new
+            {
+                x.ExamRoomId,
+                x.ExamSessionId,
+                SeatCount = x.ExamRoom!.Seats.Count(seat =>
+                    seat.ExamSessionId == x.ExamSessionId)
+            })
+            .ToListAsync(cancellationToken);
+        var pageRoomIds = roomSessionLinks.Select(x => x.ExamRoomId).Distinct().ToArray();
+        var roomSummaries = await db.ExamRooms.AsNoTracking()
+            .WhereIn(pageRoomIds, x => x.Id)
+            .OrderBy(x => x.Classroom!.Building!.Name)
+            .ThenBy(x => x.Classroom!.Name)
+            .ThenBy(x => x.Id)
+            .Select(x => new
+            {
+                ExamRoomId = x.Id,
+                x.ClassroomId,
+                ClassroomName = x.Classroom!.Name,
+                BuildingName = x.Classroom.Building!.Name,
+                ClassroomCapacity = x.Classroom.Capacity,
+                TotalSeatCount = x.Seats.Count,
+                SessionCount = x.SessionLinks.Count
+            })
+            .ToListAsync(cancellationToken);
+        var roomInvigilators = await db.ExamRoomInvigilators.AsNoTracking()
+            .WhereIn(pageRoomIds, x => x.ExamRoomId)
+            .OrderBy(x => x.Teacher!.TeacherNumber)
+            .ThenBy(x => x.Teacher!.Name)
+            .Select(x => new
+            {
+                x.ExamRoomId,
+                x.TeacherId,
+                TeacherName = x.Teacher!.Name
+            })
+            .ToListAsync(cancellationToken);
+
+        var linksByRoom = roomSessionLinks.ToLookup(x => x.ExamRoomId);
+        var invigilatorsByRoom = roomInvigilators.ToLookup(x => x.ExamRoomId);
+        var roomsBySession = roomSummaries
+            .SelectMany(room => linksByRoom[room.ExamRoomId].Select(link => new
            {
                link.ExamSessionId,
                Room = new
                {
-                    link.ExamRoomId,
+                    room.ExamRoomId,
                    room.ClassroomId,
-                    ClassroomName = room.Classroom!.Name,
-                    BuildingName = room.Classroom.Building!.Name,
-                    ClassroomCapacity = room.Classroom.Capacity,
-                    SeatCount = room.Seats.Count(seat =>
-                        seat.ExamSessionId == link.ExamSessionId),
-                    TotalSeatCount = room.Seats.Count,
-                    IsMixed = room.SessionLinks.Count > 1,
-                    InvigilatorIds = room.Invigilators
+                    room.ClassroomName,
+                    room.BuildingName,
+                    room.ClassroomCapacity,
+                    link.SeatCount,
+                    room.TotalSeatCount,
+                    IsMixed = room.SessionCount > 1,
+                    InvigilatorIds = invigilatorsByRoom[room.ExamRoomId]
                        .Select(invigilator => invigilator.TeacherId)
                        .ToList(),
-                    InvigilatorNames = room.Invigilators
-                        .Select(invigilator => invigilator.Teacher!.Name)
+                    InvigilatorNames = invigilatorsByRoom[room.ExamRoomId]
+                        .Select(invigilator => invigilator.TeacherName)
                        .ToList()
                }
            }))
            .ToLookup(x => x.ExamSessionId, x => x.Room);
        var rosterCounts = (await TeachingTaskRosterQuery.LoadForTasksAsync(
                db,
-                plan.Sessions.Select(x => x.TeachingTaskId),
+                sessions.Select(x => x.TeachingTaskId),
                cancellationToken))
            .GroupBy(x => x.TeachingTaskId)
            .ToDictionary(x => x.Key, x => x.Count());
@@ -199,7 +298,12 @@ public sealed class ExamsController(
            plan.Status,
            plan.Notes,
            plan.PublishedAt,
-            Sessions = plan.Sessions.Select(item => new
+            plan.TotalSessionCount,
+            FilteredSessionCount = filteredSessionCount,
+            SessionPage = page,
+            SessionPageSize = pageSize,
+            ScheduledTeachingTaskIds = scheduledTeachingTaskIds,
+            Sessions = sessions.Select(item => new
            {
                item.Id,
                item.TeachingTaskId,
@@ -0,0 +1,137 @@
+using Jiaowu.Api.Controllers;
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Domain.Identity;
+using Jiaowu.Api.Infrastructure.Auth;
+using Jiaowu.Api.Infrastructure.Caching;
+using Jiaowu.Api.Infrastructure.Exams;
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+
+namespace Jiaowu.Api.Tests;
+
+public sealed class ExamPlanPaginationTests
+{
+    [Fact]
+    public async Task GetPlan_PaginatesSearchesAndFiltersSessionsOnServer()
+    {
+        await using var connection = new SqliteConnection("Data Source=:memory:");
+        await connection.OpenAsync();
+        await using var db = new AppDbContext(
+            new DbContextOptionsBuilder<AppDbContext>()
+                .UseSqlite(connection)
+                .Options);
+        await db.Database.EnsureCreatedAsync();
+
+        var college = new College { Code = "CS", Name = "计算机学院" };
+        var course = new Course
+        {
+            Code = "CS101",
+            Name = "程序设计基础",
+            CollegeId = college.Id,
+            Credits = 4,
+            TotalHours = 64,
+            LectureHours = 48,
+            PracticeHours = 16,
+            Nature = CourseNature.MajorRequired,
+            AssessmentMethod = AssessmentMethod.Examination
+        };
+        var term = new AcademicTerm
+        {
+            Code = "2026-1",
+            Name = "2026—2027 学年第一学期",
+            AcademicYear = "2026-2027",
+            Season = TermSeason.Autumn,
+            StartDate = new DateOnly(2026, 9, 1),
+            EndDate = new DateOnly(2027, 1, 20)
+        };
+        var tasks = Enumerable.Range(1, 11)
+            .Select(number => new TeachingTask
+            {
+                TaskNumber = $"2026-1-CS101-{number:00}",
+                Name = number == 11 ? "专项课程教学班" : $"程序设计教学班 {number}",
+                AcademicTermId = term.Id,
+                CourseId = course.Id,
+                Capacity = 60,
+                Status = TeachingTaskStatus.Published
+            })
+            .ToList();
+        var plan = new ExamPlan
+        {
+            AcademicTermId = term.Id,
+            Name = "期末考试",
+            Status = ExamPlanStatus.Draft,
+            Sessions = tasks.Select((task, index) => new ExamSession
+            {
+                TeachingTaskId = task.Id,
+                ExamDate = new DateOnly(2027, 1, 8).AddDays(index),
+                StartPeriod = 1,
+                PeriodCount = 2,
+                StartsAt = new DateTime(2027, 1, 8, 8, 0, 0, DateTimeKind.Utc)
+                    .AddDays(index),
+                EndsAt = new DateTime(2027, 1, 8, 9, 50, 0, DateTimeKind.Utc)
+                    .AddDays(index),
+                RequiredInvigilatorCount = 1
+            }).ToList()
+        };
+        db.AddRange(college, course, term);
+        db.AddRange(tasks);
+        db.Add(plan);
+        await db.SaveChangesAsync();
+
+        var controller = new ExamsController(
+            db,
+            new AllScope(),
+            new ExamArrangementService(db),
+            NoOpAppCache.Instance);
+
+        var secondPage = ReadPlan(await controller.GetPlan(
+            plan.Id,
+            page: 2,
+            pageSize: 10,
+            cancellationToken: CancellationToken.None));
+        Assert.Equal(11, ReadInt(secondPage, "TotalSessionCount"));
+        Assert.Equal(11, ReadInt(secondPage, "FilteredSessionCount"));
+        Assert.Equal(2, ReadInt(secondPage, "SessionPage"));
+        Assert.Single(ReadItems(secondPage, "Sessions"));
+        Assert.Equal(11, ReadItems(secondPage, "ScheduledTeachingTaskIds").Count);
+
+        var searchPage = ReadPlan(await controller.GetPlan(
+            plan.Id,
+            keyword: "专项",
+            cancellationToken: CancellationToken.None));
+        Assert.Equal(11, ReadInt(searchPage, "TotalSessionCount"));
+        Assert.Equal(1, ReadInt(searchPage, "FilteredSessionCount"));
+        Assert.Single(ReadItems(searchPage, "Sessions"));
+
+        var completedPage = ReadPlan(await controller.GetPlan(
+            plan.Id,
+            allocation: "complete",
+            cancellationToken: CancellationToken.None));
+        Assert.Equal(0, ReadInt(completedPage, "FilteredSessionCount"));
+        Assert.Empty(ReadItems(completedPage, "Sessions"));
+    }
+
+    private static object ReadPlan(ActionResult result) =>
+        Assert.IsType<OkObjectResult>(result).Value!;
+
+    private static int ReadInt(object value, string property) =>
+        (int)value.GetType().GetProperty(property)!.GetValue(value)!;
+
+    private static List<object> ReadItems(object value, string property) =>
+        Assert.IsAssignableFrom<System.Collections.IEnumerable>(
+                value.GetType().GetProperty(property)!.GetValue(value))
+            .Cast<object>()
+            .ToList();
+
+    private sealed class AllScope : ICurrentUserDataScope
+    {
+        public CurrentUserScope Current { get; } = new(
+            Guid.NewGuid(),
+            "测试管理员",
+            null,
+            DataScope.All,
+            new HashSet<string>([SystemRoles.SuperAdmin]));
+    }
+}
@@ -256,10 +256,27 @@ public sealed class TeachingWorkflowRosterTests
        Assert.IsType<NoContentResult>(publishResult);

        var planResult = Assert.IsType<OkObjectResult>(
-            await exams.GetPlan(examPlan.Id, CancellationToken.None));
+            await exams.GetPlan(
+                examPlan.Id,
+                cancellationToken: CancellationToken.None));
        var planSessions = ReadEnumerableProperty(planResult.Value!, "Sessions");
        Assert.Equal(1, ReadIntProperty(planSessions.Single(), "StudentCount"));
-        Assert.Single(ReadEnumerableProperty(planSessions.Single(), "ExamRooms"));
+        var returnedRoom = Assert.Single(
+            ReadEnumerableProperty(planSessions.Single(), "ExamRooms"));
+        Assert.Equal(
+            classroom.Id,
+            returnedRoom.GetType().GetProperty("ClassroomId")!.GetValue(returnedRoom));
+        Assert.Equal(1, ReadIntProperty(returnedRoom, "SeatCount"));
+        Assert.Equal(1, ReadIntProperty(returnedRoom, "TotalSeatCount"));
+        Assert.False(
+            (bool)returnedRoom.GetType().GetProperty("IsMixed")!
+                .GetValue(returnedRoom)!);
+        Assert.Equal(
+            [teacher.Id],
+            ReadEnumerableProperty(returnedRoom, "InvigilatorIds").Cast<Guid>());
+        Assert.Equal(
+            [teacher.Name],
+            ReadEnumerableProperty(returnedRoom, "InvigilatorNames").Cast<string>());

        var examSessionId = examPlan.Sessions.Single().Id;
        var rosterResult = Assert.IsType<OkObjectResult>(
@@ -12,6 +12,11 @@ const isManager = computed(() =>
 const isTeacher = computed(() => auth.user?.roles.includes('Teacher') && !isManager.value)
 const plans = ref<any[]>([])
 const selected = ref<any | null>(null)
+const sessionPage = ref(1)
+const sessionPageSize = ref(20)
+const sessionTotal = ref(0)
+const planSessionTotal = ref(0)
+const sessionLoading = ref(false)
 const personal = ref<any[]>([])
 const terms = ref<any[]>([])
 const tasks = ref<any[]>([])
@@ -52,9 +57,10 @@ const taskColleges = computed(() => {
 })
 const filteredTasks = computed(() => {
  const keyword = taskFilter.keyword.trim().toLowerCase()
-  const arrangedIds = new Set((selected.value?.sessions ?? [])
-    .filter((session: any) => session.id !== editingSession.value?.id)
-    .map((session: any) => session.teachingTaskId))
+  const arrangedIds = new Set<string>(selected.value?.scheduledTeachingTaskIds ?? [])
+  if (editingSession.value?.teachingTaskId) {
+    arrangedIds.delete(editingSession.value.teachingTaskId)
+  }
  return tasks.value.filter((task: any) => {
    if (arrangedIds.has(task.id)) return false
    if (taskFilter.collegeId && task.collegeId !== taskFilter.collegeId) return false
@@ -65,19 +71,7 @@ const filteredTasks = computed(() => {
      .some((value: any) => String(value ?? '').toLowerCase().includes(keyword))
  })
 })
-const filteredSessions = computed(() => {
-  const keyword = sessionFilter.keyword.trim().toLowerCase()
-  return (selected.value?.sessions ?? []).filter((session: any) => {
-    if (sessionFilter.allocation === 'room' && hasRoomAssignment(session)) return false
-    if (sessionFilter.allocation === 'invigilator' &&
-      hasCompleteInvigilators(session)) return false
-    if (sessionFilter.allocation === 'complete' &&
-      (!hasRoomAssignment(session) || !hasCompleteInvigilators(session))) return false
-    if (!keyword) return true
-    return [session.taskNumber, session.courseCode, session.courseName, session.taskName]
-      .some((value: any) => String(value ?? '').toLowerCase().includes(keyword))
-  })
-})
+const filteredSessions = computed(() => selected.value?.sessions ?? [])

 function sessionRooms(session: any) {
  return session.examRooms ?? []
@@ -85,14 +79,6 @@ function sessionRooms(session: any) {
 function hasRoomAssignment(session: any) {
  return sessionRooms(session).length > 0 || Boolean(session.classroomId)
 }
-function hasCompleteInvigilators(session: any) {
-  const roomAssignments = sessionRooms(session)
-  if (roomAssignments.length > 0) {
-    return roomAssignments.every((room: any) =>
-      room.invigilatorIds.length >= session.requiredInvigilatorCount)
-  }
-  return session.invigilatorIds.length >= session.requiredInvigilatorCount
-}
 function sessionInvigilatorNames(session: any) {
  const roomAssignments = sessionRooms(session)
  const names = roomAssignments.length > 0
@@ -131,6 +117,9 @@ async function load() {
    else {
      selected.value = null
      selectedSessionIds.value = []
+      sessionPage.value = 1
+      sessionTotal.value = 0
+      planSessionTotal.value = 0
      tasks.value = []
      timeSlots.value = []
    }
@@ -138,10 +127,63 @@ async function load() {
  finally { loading.value = false }
 }
 async function selectPlan(id: string) {
-  selected.value = (await http.get(`/exams/plans/${id}`)).data
+  sessionPage.value = 1
  selectedSessionIds.value = []
+  await loadSelectedPlan(id)
  await loadPlanResources(selected.value.academicTermId)
 }
+async function loadSelectedPlan(id: string) {
+  sessionLoading.value = true
+  try {
+    const { data } = await http.get(`/exams/plans/${id}`, {
+      params: {
+        page: sessionPage.value,
+        pageSize: sessionPageSize.value,
+        keyword: sessionFilter.keyword.trim() || undefined,
+        allocation: sessionFilter.allocation || undefined,
+      },
+    })
+    selected.value = data
+    sessionPage.value = data.sessionPage
+    sessionPageSize.value = data.sessionPageSize
+    sessionTotal.value = data.filteredSessionCount
+    planSessionTotal.value = data.totalSessionCount
+    const planSummary = plans.value.find((plan: any) => plan.id === data.id)
+    if (planSummary) planSummary.sessionCount = data.totalSessionCount
+  } finally {
+    sessionLoading.value = false
+  }
+}
+async function reloadSelectedPlan() {
+  if (!selected.value) return
+  await loadSelectedPlan(selected.value.id)
+}
+async function applySessionFilters() {
+  if (!selected.value) return
+  sessionPage.value = 1
+  try {
+    await reloadSelectedPlan()
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  }
+}
+async function changeSessionPage(page: number) {
+  sessionPage.value = page
+  try {
+    await reloadSelectedPlan()
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  }
+}
+async function changeSessionPageSize(pageSize: number) {
+  sessionPageSize.value = pageSize
+  sessionPage.value = 1
+  try {
+    await reloadSelectedPlan()
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  }
+}
 async function loadPlanResources(academicTermId: string) {
  const [taskRes, slotRes] = await Promise.all([
    http.get('/teaching-tasks/options', {
@@ -218,14 +260,15 @@ async function saveSession() {
    }
    sessionDialog.value = false
    editingSession.value = null
-    await selectPlan(selected.value.id)
+    await reloadSelectedPlan()
  } catch (error) { ElMessage.error(apiErrorMessage(error)) }
 }
 async function removeSession(row: any) {
  try {
    await ElMessageBox.confirm(`移除"${row.courseName}"考试场次？`, '移除场次', { type: 'warning' })
    await http.delete(`/exams/plans/${selected.value.id}/sessions/${row.id}`)
-    await selectPlan(selected.value.id)
+    selectedSessionIds.value = selectedSessionIds.value.filter(id => id !== row.id)
+    await reloadSelectedPlan()
  } catch (error: any) {
    if (error !== 'cancel' && error !== 'close') ElMessage.error(apiErrorMessage(error))
  }
@@ -252,7 +295,8 @@ async function removeSelectedSessions() {
      { sessionIds: selectedSessionIds.value },
    )
    ElMessage.success(`已移除 ${res.data.removedCount} 个考试场次`)
-    await selectPlan(selected.value.id)
+    selectedSessionIds.value = []
+    await reloadSelectedPlan()
  } catch (error: any) {
    if (error !== 'cancel' && error !== 'close') ElMessage.error(apiErrorMessage(error))
  } finally {
@@ -279,7 +323,14 @@ function toggleTaskSelection(id: string, checked: boolean) {
    : selectedTaskIds.value.filter(value => value !== id)
 }
 function selectFilteredSessions() {
-  selectedSessionIds.value = filteredSessions.value.map((session: any) => session.id)
+  const selectedIds = Array.from(new Set([
+    ...selectedSessionIds.value,
+    ...filteredSessions.value.map((session: any) => session.id),
+  ]))
+  if (selectedIds.length > 100) {
+    ElMessage.warning('一次最多选择100个考试场次')
+  }
+  selectedSessionIds.value = selectedIds.slice(0, 100)
 }
 function clearSessionSelection() {
  selectedSessionIds.value = []
@@ -309,7 +360,7 @@ async function autoArrange(mode: 'rooms' | 'invigilators' | 'all') {
      assignInvigilators: mode !== 'rooms',
    })
    ElMessage.success(res.data.message)
-    await selectPlan(selected.value.id)
+    await reloadSelectedPlan()
  } catch (error: any) {
    if (error !== 'cancel' && error !== 'close') ElMessage.error(apiErrorMessage(error))
  } finally { arrangeLoading.value = false }
@@ -329,7 +380,7 @@ async function deleteDraftPlan() {
  if (!selected.value || selected.value.status !== 'Draft') return
  try {
    await ElMessageBox.confirm(
-      `确定删除草稿考试计划“${selected.value.name}”吗？计划内 ${selected.value.sessions.length} 个考试场次也会一并删除，此操作无法撤销。`,
+      `确定删除草稿考试计划“${selected.value.name}”吗？计划内 ${planSessionTotal.value} 个考试场次也会一并删除，此操作无法撤销。`,
      '删除考试计划',
      {
        type: 'warning',
@@ -427,13 +478,13 @@ onMounted(async () => {
          <div>
            <span>EXAM TIMELINE</span>
            <h3>{{ selected.name }}</h3>
-            <p>{{ selected.termName }} · {{ selected.sessions.length }} 个考试场次</p>
+            <p>{{ selected.termName }} · {{ planSessionTotal }} 个考试场次</p>
          </div>
          <div class="exam-actions">
            <el-button
              :icon="Download"
              :loading="exportLoading"
-              :disabled="selected.sessions.length === 0"
+              :disabled="planSessionTotal === 0"
              @click="exportSignInSheets"
            >导出考场签名单</el-button>
            <el-button v-if="selected.status === 'Draft'" @click="autoArrange('rooms')" :loading="arrangeLoading">一键分配考场</el-button>
@@ -452,15 +503,32 @@ onMounted(async () => {
          </div>
        </header>
        <div class="exam-filter-bar">
-          <el-input v-model="sessionFilter.keyword" clearable placeholder="筛选课程、课程号或教学班号" />
-          <el-select v-model="sessionFilter.allocation" clearable placeholder="全部分配状态">
+          <el-input
+            v-model="sessionFilter.keyword"
+            clearable
+            placeholder="筛选课程、课程号或教学班号"
+            @keyup.enter="applySessionFilters"
+            @clear="applySessionFilters"
+          />
+          <el-select
+            v-model="sessionFilter.allocation"
+            clearable
+            placeholder="全部分配状态"
+            @change="applySessionFilters"
+          >
            <el-option label="待分配考场" value="room" />
            <el-option label="待补足监考" value="invigilator" />
            <el-option label="已完成分配" value="complete" />
          </el-select>
-          <span>显示 {{ filteredSessions.length }}/{{ selected.sessions.length }} 个场次</span>
+          <el-button :loading="sessionLoading" @click="applySessionFilters">查询</el-button>
+          <span>
+            本页 {{ filteredSessions.length }} 个，共 {{ sessionTotal }} 个符合条件
+            <template v-if="sessionTotal !== planSessionTotal">
+              （计划共 {{ planSessionTotal }} 个）
+            </template>
+          </span>
          <template v-if="selected.status === 'Draft'">
-            <el-button link type="primary" @click="selectFilteredSessions">选择筛选结果</el-button>
+            <el-button link type="primary" @click="selectFilteredSessions">选择本页</el-button>
            <el-button link @click="clearSessionSelection">清空选择</el-button>
            <el-tag v-if="selectedSessionIds.length" type="info">已选 {{ selectedSessionIds.length }} 个</el-tag>
            <el-button
@@ -473,7 +541,7 @@ onMounted(async () => {
            >批量移除已选场次</el-button>
          </template>
        </div>
-        <div class="exam-timeline">
+        <div class="exam-timeline" v-loading="sessionLoading">
          <article v-for="session in filteredSessions" :key="session.id" :class="{ unassigned: !hasRoomAssignment(session) }">
            <time>
              <el-checkbox
@@ -513,9 +581,27 @@ onMounted(async () => {
              <el-button v-if="selected.status === 'Draft'" link type="danger" @click="removeSession(session)">移除</el-button>
            </div>
          </article>
-          <el-empty v-if="!selected.sessions.length" description="尚未安排考试场次，点击「批量安排场次」开始。" />
-          <el-empty v-else-if="!filteredSessions.length" description="没有符合筛选条件的考试场次" />
+          <el-empty
+            v-if="planSessionTotal === 0"
+            description="尚未安排考试场次，点击「批量安排场次」开始。"
+          />
+          <el-empty
+            v-else-if="sessionTotal === 0"
+            description="没有符合筛选条件的考试场次"
+          />
        </div>
+        <el-pagination
+          v-if="sessionTotal > 0"
+          class="exam-pagination"
+          background
+          :current-page="sessionPage"
+          :page-size="sessionPageSize"
+          :page-sizes="[10, 20, 50, 100]"
+          :total="sessionTotal"
+          layout="total, sizes, prev, pager, next"
+          @current-change="changeSessionPage"
+          @size-change="changeSessionPageSize"
+        />
      </section>
    </template>

@@ -704,6 +790,10 @@ onMounted(async () => {
  display: block;
  margin: 3px 0;
 }
+.exam-pagination {
+  justify-content: flex-end;
+  margin-top: 18px;
+}
@media (max-width: 720px) {
  .exam-actions {
    justify-content: flex-start;
@@ -715,5 +805,8 @@ onMounted(async () => {
    align-items: flex-start;
    flex-direction: column;
  }
+  .exam-pagination {
+    justify-content: center;
+  }
 }
 </style>