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教学任务：学期开课、授课教师、唯一主讲、合班、容量与周次校验、发布及结课。
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web/src/views/TeachingTasksView.vue

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+<script setup lang="ts">
+import { computed, onMounted, reactive, ref } from 'vue'
+import { Plus, Refresh, Search } from '@element-plus/icons-vue'
+import http, { apiErrorMessage } from '../api/http'
+import { useAuthStore } from '../stores/auth'
+
+const auth = useAuthStore()
+const loading = ref(false)
+const rows = ref<any[]>([])
+const total = ref(0)
+const dialogVisible = ref(false)
+const editingId = ref('')
+const terms = ref<any[]>([])
+const courses = ref<any[]>([])
+const teachers = ref<any[]>([])
+const classes = ref<any[]>([])
+const majors = ref<any[]>([])
+const query = reactive({
+  page: 1,
+  pageSize: 20,
+  keyword: '',
+  academicTermId: undefined as string | undefined,
+  status: undefined as string | undefined,
+})
+const form = reactive<Record<string, any>>({})
+const statusLabels: Record<string, string> = {
+  Draft: '草稿',
+  Published: '已发布',
+  Closed: '已结课',
+}
+const availableClasses = computed(() => {
+  if (!auth.user?.roles.includes('CollegeAdmin') || !auth.user.collegeId) return classes.value
+  const ids = new Set(
+    majors.value.filter((item) => item.collegeId === auth.user!.collegeId).map((item) => item.id),
+  )
+  return classes.value.filter((item) => ids.has(item.majorId))
+})
+const selectedTeachers = computed(() =>
+  teachers.value.filter((item) => form.teacherIds?.includes(item.id)),
+)
+
+async function load() {
+  loading.value = true
+  try {
+    const { data } = await http.get('/teaching-tasks', {
+      params: {
+        ...query,
+        keyword: query.keyword || undefined,
+      },
+    })
+    rows.value = data.items
+    total.value = data.total
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  } finally {
+    loading.value = false
+  }
+}
+
+function resetFilters() {
+  Object.assign(query, {
+    page: 1,
+    keyword: '',
+    academicTermId: undefined,
+    status: undefined,
+  })
+  load()
+}
+
+function resetForm(detail?: any) {
+  Object.keys(form).forEach((key) => delete form[key])
+  const currentTerm = terms.value.find((item) => item.isCurrent)
+  Object.assign(form, {
+    taskNumber: '',
+    name: '',
+    academicTermId: currentTerm?.id,
+    courseId: undefined,
+    capacity: 60,
+    startWeek: 1,
+    endWeek: 16,
+    weeklyHours: 2,
+    teacherIds: [],
+    primaryTeacherId: undefined,
+    classIds: [],
+    notes: '',
+  }, detail ?? {})
+}
+
+function openCreate() {
+  editingId.value = ''
+  resetForm()
+  dialogVisible.value = true
+}
+
+async function openEdit(row: any) {
+  try {
+    const detail = (await http.get(`/teaching-tasks/${row.id}`)).data
+    editingId.value = row.id
+    resetForm(detail)
+    dialogVisible.value = true
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  }
+}
+
+function onTeachersChanged(values: string[]) {
+  if (form.primaryTeacherId && !values.includes(form.primaryTeacherId)) {
+    form.primaryTeacherId = undefined
+  }
+}
+
+async function save() {
+  if (!form.taskNumber?.trim() || !form.name?.trim() || !form.academicTermId || !form.courseId) {
+    ElMessage.warning('请填写任务编号、名称、学期和课程。')
+    return
+  }
+  if (form.startWeek > form.endWeek) {
+    ElMessage.warning('开始周不能晚于结束周。')
+    return
+  }
+  try {
+    if (editingId.value) await http.put(`/teaching-tasks/${editingId.value}`, form)
+    else await http.post('/teaching-tasks', form)
+    ElMessage.success(editingId.value ? '教学任务已更新' : '教学任务草稿已创建')
+    dialogVisible.value = false
+    await load()
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  }
+}
+
+async function remove(row: any) {
+  try {
+    await ElMessageBox.confirm(`确定删除教学任务“${row.name}”吗？`, '删除草稿', {
+      type: 'warning',
+    })
+    await http.delete(`/teaching-tasks/${row.id}`)
+    await load()
+  } catch (error: any) {
+    if (error !== 'cancel' && error !== 'close') ElMessage.error(apiErrorMessage(error))
+  }
+}
+
+async function publish(row: any) {
+  try {
+    await ElMessageBox.confirm(
+      '发布后任务将锁定，并可进入排课与选课流程。确定发布吗？',
+      '发布教学任务',
+      { type: 'warning', confirmButtonText: '发布', cancelButtonText: '取消' },
+    )
+    await http.post(`/teaching-tasks/${row.id}/publish`)
+    ElMessage.success('教学任务已发布')
+    await load()
+  } catch (error: any) {
+    if (error !== 'cancel' && error !== 'close') ElMessage.error(apiErrorMessage(error))
+  }
+}
+
+async function closeTask(row: any) {
+  try {
+    await ElMessageBox.confirm('结课后将停止后续选课和排课调整，确定继续吗？', '教学任务结课', {
+      type: 'warning',
+      confirmButtonText: '确认结课',
+      cancelButtonText: '取消',
+    })
+    await http.post(`/teaching-tasks/${row.id}/close`)
+    await load()
+  } catch (error: any) {
+    if (error !== 'cancel' && error !== 'close') ElMessage.error(apiErrorMessage(error))
+  }
+}
+
+onMounted(async () => {
+  const [termRes, courseRes, teacherRes, classRes, majorRes] = await Promise.all([
+    http.get('/base-data/terms'),
+    http.get('/courses', { params: { page: 1, pageSize: 100, isEnabled: true } }),
+    http.get('/personnel/teachers', { params: { page: 1, pageSize: 100, teacherStatus: 'Active' } }),
+    http.get('/base-data/classes'),
+    http.get('/base-data/majors'),
+  ])
+  terms.value = termRes.data
+  courses.value = courseRes.data.items
+  teachers.value = teacherRes.data.items
+  classes.value = classRes.data
+  majors.value = majorRes.data
+  query.academicTermId = terms.value.find((item) => item.isCurrent)?.id
+  await load()
+})
+</script>
+
+<template>
+  <div class="page-stack">
+    <section class="page-intro">
+      <div>
+        <span class="section-kicker">TEACHING COMMISSION</span>
+        <h2>教学任务</h2>
+        <p>将学期、课程、授课教师和行政班组合为可排课、可选课的教学班。</p>
+      </div>
+      <el-button type="primary" :icon="Plus" @click="openCreate">新建教学任务</el-button>
+    </section>
+
+    <section class="task-summary">
+      <div><span>当前结果</span><b>{{ total }}</b><small>个教学班</small></div>
+      <p>发布校验：主讲教师唯一 · 行政班已关联 · 容量覆盖在籍学生 · 周次有效</p>
+    </section>
+
+    <section class="data-card">
+      <div class="filter-bar">
+        <el-input v-model="query.keyword" :prefix-icon="Search" clearable placeholder="搜索任务编号、教学班或课程" @keyup.enter="query.page = 1; load()" />
+        <el-select v-model="query.academicTermId" clearable placeholder="全部学期">
+          <el-option v-for="item in terms" :key="item.id" :label="item.name" :value="item.id" />
+        </el-select>
+        <el-select v-model="query.status" clearable placeholder="全部状态">
+          <el-option v-for="(label, value) in statusLabels" :key="value" :label="label" :value="value" />
+        </el-select>
+        <el-button type="primary" @click="query.page = 1; load()">查询</el-button>
+        <el-button :icon="Refresh" @click="resetFilters">重置</el-button>
+      </div>
+
+      <el-table v-loading="loading" :data="rows" class="data-table task-table">
+        <el-table-column label="任务编号" width="155"><template #default="{ row }"><span class="registry-number">{{ row.taskNumber }}</span></template></el-table-column>
+        <el-table-column label="教学班 / 课程" min-width="230">
+          <template #default="{ row }"><div class="course-name"><b>{{ row.name }}</b><span>{{ row.courseCode }} · {{ row.courseName }}</span></div></template>
+        </el-table-column>
+        <el-table-column prop="termName" label="开课学期" min-width="180" />
+        <el-table-column label="授课教师" min-width="130"><template #default="{ row }">{{ row.teacherNames.join('、') || '未安排' }}</template></el-table-column>
+        <el-table-column label="行政班" min-width="150"><template #default="{ row }">{{ row.classNames.join('、') || '未关联' }}</template></el-table-column>
+        <el-table-column label="人数 / 容量" width="105"><template #default="{ row }">{{ row.studentCount }} / {{ row.capacity }}</template></el-table-column>
+        <el-table-column label="周次" width="105"><template #default="{ row }">{{ row.startWeek }}—{{ row.endWeek }} 周</template></el-table-column>
+        <el-table-column label="状态" width="90"><template #default="{ row }"><span class="table-status" :class="{ off: row.status === 'Closed' }">{{ statusLabels[row.status] }}</span></template></el-table-column>
+        <el-table-column label="操作" width="185" fixed="right">
+          <template #default="{ row }">
+            <el-button v-if="row.status === 'Draft'" link type="primary" @click="openEdit(row)">编辑</el-button>
+            <el-button v-if="row.status === 'Draft'" link type="success" @click="publish(row)">发布</el-button>
+            <el-button v-if="row.status === 'Draft'" link type="danger" @click="remove(row)">删除</el-button>
+            <el-button v-if="row.status === 'Published'" link type="warning" @click="closeTask(row)">结课</el-button>
+            <span v-if="row.status === 'Closed'" class="muted-action">已归档</span>
+          </template>
+        </el-table-column>
+        <template #empty><el-empty description="没有符合条件的教学任务" /></template>
+      </el-table>
+      <div class="pagination-bar">
+        <span>共 {{ total }} 个教学班</span>
+        <el-pagination v-model:current-page="query.page" :page-size="query.pageSize" :total="total" layout="prev, pager, next" @current-change="load" />
+      </div>
+    </section>
+
+    <el-dialog v-model="dialogVisible" :title="editingId ? '编辑教学任务' : '新建教学任务'" width="720px">
+      <el-form label-position="top">
+        <div class="form-grid">
+          <el-form-item label="任务编号" required><el-input v-model="form.taskNumber" placeholder="如 2026-1-CS101-01" /></el-form-item>
+          <el-form-item label="教学班名称" required><el-input v-model="form.name" /></el-form-item>
+        </div>
+        <div class="form-grid">
+          <el-form-item label="开课学期" required><el-select v-model="form.academicTermId"><el-option v-for="item in terms" :key="item.id" :label="item.name" :value="item.id" /></el-select></el-form-item>
+          <el-form-item label="课程" required><el-select v-model="form.courseId" filterable><el-option v-for="item in courses" :key="item.id" :label="`${item.code} · ${item.name}`" :value="item.id" /></el-select></el-form-item>
+        </div>
+        <div class="form-grid three">
+          <el-form-item label="容量"><el-input-number v-model="form.capacity" :min="1" /></el-form-item>
+          <el-form-item label="开始周"><el-input-number v-model="form.startWeek" :min="1" :max="30" /></el-form-item>
+          <el-form-item label="结束周"><el-input-number v-model="form.endWeek" :min="1" :max="30" /></el-form-item>
+        </div>
+        <el-form-item label="周学时"><el-input-number v-model="form.weeklyHours" :min="1" :max="40" /></el-form-item>
+        <el-form-item label="授课教师">
+          <el-select v-model="form.teacherIds" multiple filterable @change="onTeachersChanged">
+            <el-option v-for="item in teachers" :key="item.id" :label="`${item.teacherNumber} · ${item.name}`" :value="item.id" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="主讲教师">
+          <el-select v-model="form.primaryTeacherId" clearable :disabled="!form.teacherIds?.length">
+            <el-option v-for="item in selectedTeachers" :key="item.id" :label="item.name" :value="item.id" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="关联行政班">
+          <el-select v-model="form.classIds" multiple filterable>
+            <el-option v-for="item in availableClasses" :key="item.id" :label="`${item.code} · ${item.name}`" :value="item.id" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="备注"><el-input v-model="form.notes" type="textarea" :rows="2" /></el-form-item>
+      </el-form>
+      <template #footer><el-button @click="dialogVisible = false">取消</el-button><el-button type="primary" @click="save">保存草稿</el-button></template>
+    </el-dialog>
+  </div>
+</template>