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En 2026-03-24 18:09:27 +08:00
commit 4d97e1cbf9
16 changed files with 302 additions and 104 deletions
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5
reading-platform-frontend/src/api/teacher.ts
View File

@ -272,6 +272,11 @@ export function cancelLesson(id: number | string): Promise<any> {
return http.post(`/v1/teacher/lessons/${id}/cancel`) as any;
}
/** 退出上课：删除未完成的授课记录（非已完成） */
export function abandonLesson(id: number | string): Promise<any> {
return http.post(`/v1/teacher/lessons/${id}/abandon`, {}) as any;
}
// 保存学生评价记录（lessonId 使用 string 避免 Long 精度丢失）
export function saveStudentRecord(
lessonId: number | string,

34
reading-platform-frontend/src/components/course-edit/Step1BasicInfo.vue
View File

@ -74,8 +74,10 @@
<a-select
v-model:value="formData.domainTags"
mode="multiple"
show-search
placeholder="请选择核心发展目标（可多选）"
style="width: 100%"
:filter-option="filterDomainTagOption"
@change="handleChange"
>
<a-select-opt-group label="健康">
@ -156,6 +158,38 @@ const themesLoading = ref(false);
const themes = ref<Theme[]>([]);
const coverImages = ref<any[]>([]);
/** 核心发展目标：叶子项 + 父级领域名，用于搜索时同时匹配子项与分组 */
const DOMAIN_TAG_OPTIONS: { group: string; value: string; label: string }[] = [
{ group: '健康', value: 'health_motor', label: '身体动作发展' },
{ group: '健康', value: 'health_hygiene', label: '生活习惯与能力' },
{ group: '语言', value: 'lang_listen', label: '倾听与表达' },
{ group: '语言', value: 'lang_read', label: '早期阅读' },
{ group: '社会', value: 'social_interact', label: '人际交往' },
{ group: '社会', value: 'social_adapt', label: '社会适应' },
{ group: '科学', value: 'science_explore', label: '科学探究' },
{ group: '科学', value: 'math_cog', label: '数学认知' },
{ group: '艺术', value: 'art_music', label: '音乐表现' },
{ group: '艺术', value: 'art_create', label: '美术创作' },
];
const filterDomainTagOption = (input: string, option: any) => {
if (!input?.trim()) return true;
const q = input.trim();
const key = option?.value ?? option?.key;
const row = DOMAIN_TAG_OPTIONS.find((o) => o.value === key);
if (row) {
return row.label.includes(q) || row.group.includes(q);
}
const label =
typeof option?.label === 'string'
? option.label
: option?.children?.[0]?.children ?? option?.children;
if (typeof label === 'string') {
return label.includes(q);
}
return true;
};
const formRules = {
name: [
{ required: true, message: '请输入课程包名称' },

16
reading-platform-frontend/src/components/course-edit/Step2CourseIntro.vue
View File

@ -2,7 +2,6 @@
<div class="step2-course-intro">
<div class="intro-header">
<span class="title">课程介绍</span>
<a-tag color="blue">已填写 {{ filledCount }} / 8</a-tag>
</div>
<a-tabs v-model:activeKey="activeTab" type="card">
@ -176,20 +175,6 @@ watch(
// 计算当前tab索引
const currentTabIndex = computed(() => tabKeys.indexOf(activeTab.value));
// 计算已填写的数量
const filledCount = computed(() => {
let count = 0;
if (formData.introSummary) count++;
if (formData.introHighlights) count++;
if (formData.introGoals) count++;
if (formData.introSchedule) count++;
if (formData.introKeyPoints) count++;
if (formData.introMethods) count++;
if (formData.introEvaluation) count++;
if (formData.introNotes) count++;
return count;
});
// 上一个tab
const prevTab = () => {
const index = currentTabIndex.value;
@ -221,7 +206,6 @@ const validate = () => {
defineExpose({
validate,
formData,
filledCount,
});
</script>

22
reading-platform-frontend/src/components/course/FileUploader.vue
View File

@ -120,15 +120,6 @@ const imagePreviewLoading = ref(false);
const imagePreviewLoaded = ref(false);
const imagePreviewError = ref(false);
// 监听 previewUrl 变化，重置加载状态
watch(() => previewUrl.value, (newUrl) => {
if (newUrl && props.fileType === 'image') {
imagePreviewLoading.value = true;
imagePreviewLoaded.value = false;
imagePreviewError.value = false;
}
}, { immediate: true });
const buttonText = computed(() => {
const typeMap: Record<string, string> = {
video: '上传视频',
@ -181,6 +172,19 @@ const previewUrl = computed(() => {
return `/uploads/${props.filePath}`;
});
// 须在 previewUrl 定义之后：watch 回调会读 previewUrl，避免 TDZ（Cannot access before initialization）
watch(
() => previewUrl.value,
(newUrl) => {
if (newUrl && props.fileType === 'image') {
imagePreviewLoading.value = true;
imagePreviewLoaded.value = false;
imagePreviewError.value = false;
}
},
{ immediate: true }
);
// 检查是否为 PDF 文件（用于 ppt 类型也支持 PDF 预览）
const isPdfFile = computed(() => {
if (props.fileType === 'ppt' && props.filePath) {

4
reading-platform-frontend/src/components/course/LessonConfigPanel.vue
View File

@ -25,7 +25,9 @@
style="width: 100%"
@change="handleChange"
/>
<a-form-item-rest>
<span class="duration-unit">分钟</span>
</a-form-item-rest>
</a-form-item>
</a-col>
</a-row>
@ -137,11 +139,13 @@
</template>
<div class="field-hint">至少添加一个环节，每个环节需填写名称、内容、目标</div>
<a-form-item name="steps">
<a-form-item-rest>
<LessonStepsEditor
v-model="lessonData.steps"
:show-template="showTemplate"
@change="handleChange"
/>
</a-form-item-rest>
</a-form-item>
</a-card>

29
reading-platform-frontend/src/views/admin/courses/CourseEditView.vue
View File

@ -18,8 +18,11 @@
</a-page-header>
</div>
<a-spin :spinning="loading" tip="正在加载课程数据...">
<a-card :bordered="false" style="margin-top: 16px;">
<!-- 编辑态：数据未就绪时单独展示加载，避免 a-spin 包裹整表在 spinning 切换时与大量子组件补丁竞态导致 __vnode 报错 -->
<div v-if="!pageContentReady" class="course-edit-page-loading">
<a-spin size="large" tip="正在加载课程数据..." />
</div>
<a-card v-else :bordered="false" style="margin-top: 16px;">
<!-- 步骤导航 -->
<a-steps :current="currentStep" size="small" @change="onStepChange">
<a-step title="基本信息" />
@ -62,12 +65,11 @@
@change="handleDataChange" />
</div>
</a-card>
</a-spin>
</div>
</template>
<script setup lang="ts">
import { ref, reactive, computed, onMounted, provide } from 'vue';
import { ref, reactive, computed, onMounted, provide, nextTick } from 'vue';
import { useRouter, useRoute } from 'vue-router';
import { message } from 'ant-design-vue';
import Step1BasicInfo from '@/components/course-edit/Step1BasicInfo.vue';
@ -94,7 +96,8 @@ const route = useRoute();
const isEdit = computed(() => !!route.params.id);
const courseId = computed(() => route.params.id as string | undefined);
const loading = ref(false);
/** 编辑页：详情拉取完成后再挂载步骤表单，避免与 Spin 嵌套更新冲突 */
const pageContentReady = ref(!isEdit.value);
const saving = ref(false);
const currentStep = ref(0);
@ -137,7 +140,7 @@ const formData = reactive({
const fetchCourseDetail = async () => {
if (!isEdit.value) return;
loading.value = true;
pageContentReady.value = false;
try {
const res = await getCourse(courseId.value) as any;
const course = res.data || res;
@ -180,10 +183,12 @@ const fetchCourseDetail = async () => {
// 环创建设
formData.environmentConstruction = course.environmentConstruction || '';
await nextTick();
pageContentReady.value = true;
} catch (error) {
message.error('获取课程详情失败');
} finally {
loading.value = false;
pageContentReady.value = true;
}
};
@ -486,4 +491,12 @@ provide('courseId', courseId);
min-height: 400px;
margin-top: 24px;
}
.course-edit-page-loading {
display: flex;
align-items: center;
justify-content: center;
min-height: 420px;
margin-top: 16px;
}
</style>

33
reading-platform-frontend/src/views/admin/courses/components/Step1BasicInfo.vue
View File

@ -71,8 +71,10 @@
<a-select
v-model:value="formData.domainTags"
mode="multiple"
show-search
placeholder="请选择核心发展目标（可多选）"
style="width: 100%"
:filter-option="filterDomainTagOption"
@change="handleChange"
>
<a-select-opt-group label="健康">
@ -152,6 +154,37 @@ const themesLoading = ref(false);
const themes = ref<Theme[]>([]);
const coverImages = ref<any[]>([]);
const DOMAIN_TAG_OPTIONS: { group: string; value: string; label: string }[] = [
{ group: '健康', value: 'health_motor', label: '身体动作发展' },
{ group: '健康', value: 'health_hygiene', label: '生活习惯与能力' },
{ group: '语言', value: 'lang_listen', label: '倾听与表达' },
{ group: '语言', value: 'lang_read', label: '早期阅读' },
{ group: '社会', value: 'social_interact', label: '人际交往' },
{ group: '社会', value: 'social_adapt', label: '社会适应' },
{ group: '科学', value: 'science_explore', label: '科学探究' },
{ group: '科学', value: 'math_cog', label: '数学认知' },
{ group: '艺术', value: 'art_music', label: '音乐表现' },
{ group: '艺术', value: 'art_create', label: '美术创作' },
];
const filterDomainTagOption = (input: string, option: any) => {
if (!input?.trim()) return true;
const q = input.trim();
const key = option?.value ?? option?.key;
const row = DOMAIN_TAG_OPTIONS.find((o) => o.value === key);
if (row) {
return row.label.includes(q) || row.group.includes(q);
}
const label =
typeof option?.label === 'string'
? option.label
: option?.children?.[0]?.children ?? option?.children;
if (typeof label === 'string') {
return label.includes(q);
}
return true;
};
const formData = reactive<BasicInfoData>({
name: '',
themeId: undefined,

16
reading-platform-frontend/src/views/admin/courses/components/Step2CourseIntro.vue
View File

@ -2,7 +2,6 @@
<div class="step2-course-intro">
<div class="intro-header">
<span class="title">课程介绍</span>
<a-tag color="blue">已填写 {{ filledCount }} / 8</a-tag>
</div>
<a-tabs v-model:activeKey="activeTab" type="card">
@ -176,20 +175,6 @@ watch(
// 计算当前tab索引
const currentTabIndex = computed(() => tabKeys.indexOf(activeTab.value));
// 计算已填写的数量
const filledCount = computed(() => {
let count = 0;
if (formData.introSummary) count++;
if (formData.introHighlights) count++;
if (formData.introGoals) count++;
if (formData.introSchedule) count++;
if (formData.introKeyPoints) count++;
if (formData.introMethods) count++;
if (formData.introEvaluation) count++;
if (formData.introNotes) count++;
return count;
});
// 上一个tab
const prevTab = () => {
const index = currentTabIndex.value;
@ -221,7 +206,6 @@ const validate = () => {
defineExpose({
validate,
formData,
filledCount,
});
</script>

11
reading-platform-frontend/src/views/school/classes/ClassListView.vue
View File

@ -705,6 +705,7 @@ onMounted(() => {
display: flex;
justify-content: space-between;
align-items: center;
min-height: 72px;
}
.header-title {
@ -714,13 +715,16 @@ onMounted(() => {
}
.title-icon {
width: 56px;
height: 56px;
width: 48px;
height: 48px;
background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.1) 100%);
border-radius: 16px;
border-radius: 12px;
display: flex;
align-items: center;
justify-content: center;
}
.title-icon :deep(svg) {
font-size: 28px;
color: white;
}
@ -1328,6 +1332,7 @@ onMounted(() => {
flex-direction: column;
gap: 16px;
text-align: center;
min-height: auto;
}
.header-stats {

127
reading-platform-frontend/src/views/school/parents/ParentListView.vue
View File

@ -242,7 +242,8 @@
<!-- 学生表格 -->
<a-table :columns="studentTableColumns" :data-source="studentTableData" :loading="studentsLoading"
:pagination="studentPagination" :row-selection="studentRowSelection" row-key="id" size="small"
:pagination="studentPagination" :row-selection="studentRowSelection"
:row-key="(r: Student) => studentIdNum(r)" size="small"
@change="handleStudentTableChange" style="margin-top: 16px;">
<template #bodyCell="{ column, record }">
<template v-if="column.dataIndex === 'gender'">
@ -255,11 +256,17 @@
</a-table>
<!-- 选择关系并确认 -->
<div class="select-footer" v-if="selectedStudent">
<div class="select-footer" v-if="selectedStudentIds.length > 0">
<div class="selected-info">
<span>已选择：</span>
<a-tag color="orange">{{ selectedStudent.name }}</a-tag>
<span class="selected-class">{{ selectedStudent.className }}</span>
<span class="selected-count">已选择 {{ selectedStudentIds.length }} 人：</span>
<a-space wrap class="selected-tags">
<a-tag v-for="sid in selectedStudentIds" :key="sid" color="orange">
{{ selectedStudentMeta[sid]?.name ?? sid }}
<span v-if="selectedStudentMeta[sid]?.className" class="selected-class">
{{ selectedStudentMeta[sid]?.className }}
</span>
</a-tag>
</a-space>
</div>
<div class="select-actions">
<a-select v-model:value="addChildForm.relationship" style="width: 100px; margin-right: 12px;">
@ -302,7 +309,7 @@
</template>
<script setup lang="ts">
import { ref, reactive, computed, onMounted } from 'vue';
import { ref, reactive, computed, watch, onMounted } from 'vue';
import {
IdcardOutlined,
PlusOutlined,
@ -378,7 +385,6 @@ const addChildLoading = ref(false);
const studentsLoading = ref(false);
const addChildForm = reactive({
studentId: undefined as number | undefined,
relationship: 'FATHER',
});
@ -386,7 +392,10 @@ const addChildForm = reactive({
const selectStudentModalVisible = ref(false);
const studentSearchKeyword = ref('');
const studentClassFilter = ref<number | undefined>();
const selectedStudent = ref<Student | null>(null);
/** 跨页保留：已勾选的学生 id */
const selectedStudentIds = ref<number[]>([]);
/** 用于底部展示姓名、班级（在勾选时写入） */
const selectedStudentMeta = ref<Record<number, { name: string; className?: string | null }>>({});
const studentTableData = ref<Student[]>([]);
const studentPagination = reactive({
current: 1,
@ -613,24 +622,53 @@ const studentTableColumns = [
{ title: '班级', dataIndex: 'className', key: 'className', width: 120 },
];
const studentRowSelection = computed(() => ({
type: 'radio' as 'radio',
selectedRowKeys: selectedStudent.value ? [selectedStudent.value.id] : [],
onChange: (selectedRowKeys: (string | number)[]) => {
if (selectedRowKeys.length > 0) {
const student = studentTableData.value.find(s => s.id === selectedRowKeys[0]);
selectedStudent.value = student || null;
} else {
selectedStudent.value = null;
const studentIdNum = (s: Student) => Number(s.id);
/** 合并当前页勾选与其它页已选，实现表格多选跨页保留（id 统一为 number，避免与 rowKey 类型不一致导致无法回显） */
const mergeStudentTableSelection = (keysFromThisPage: (string | number)[]) => {
const currentPageIds = studentTableData.value.map(studentIdNum);
const keysNum = keysFromThisPage.map(Number);
const fromOtherPages = selectedStudentIds.value.filter((id) => !currentPageIds.includes(id));
selectedStudentIds.value = [...new Set([...fromOtherPages, ...keysNum])];
studentTableData.value.forEach((s) => {
const sid = studentIdNum(s);
if (keysNum.includes(sid)) {
selectedStudentMeta.value[sid] = { name: s.name, className: s.className };
} else if (currentPageIds.includes(sid)) {
delete selectedStudentMeta.value[sid];
}
});
syncStudentTableRowSelectionKeys();
};
/** 当前页应勾选的 keys，须与表格 row-key 字段类型一致，否则复选框不回显 */
const syncStudentTableRowSelectionKeys = () => {
const ids = new Set(selectedStudentIds.value);
/** 与 :row-key 一致使用 number，否则受控勾选无法与行匹配 */
studentRowSelection.selectedRowKeys = studentTableData.value
.filter((s) => ids.has(studentIdNum(s)))
.map((s) => studentIdNum(s));
};
const studentRowSelection = reactive({
type: 'checkbox' as const,
selectedRowKeys: [] as (string | number)[],
onChange: (selectedRowKeys: (string | number)[]) => {
mergeStudentTableSelection(selectedRowKeys);
},
}));
});
/** 翻页、筛选后数据源变化时同步复选框回显 */
watch(studentTableData, () => {
syncStudentTableRowSelectionKeys();
});
const openSelectStudentModal = async () => {
selectStudentModalVisible.value = true;
studentSearchKeyword.value = '';
studentClassFilter.value = undefined;
selectedStudent.value = null;
selectedStudentIds.value = [];
selectedStudentMeta.value = {};
studentPagination.current = 1;
await loadStudentsForSelect();
await loadClassOptions();
@ -652,6 +690,7 @@ const loadStudentsForSelect = async () => {
studentTableData.value = [];
} finally {
studentsLoading.value = false;
syncStudentTableRowSelectionKeys();
}
};
@ -677,26 +716,42 @@ const handleStudentTableChange = (pagination: any) => {
const cancelSelectStudent = () => {
selectStudentModalVisible.value = false;
selectedStudent.value = null;
selectedStudentIds.value = [];
selectedStudentMeta.value = {};
};
const confirmAddChild = async () => {
if (!selectedStudent.value || !currentParent.value) return;
if (selectedStudentIds.value.length === 0 || !currentParent.value) return;
addChildLoading.value = true;
let success = 0;
let lastError = '';
try {
for (const studentId of selectedStudentIds.value) {
try {
await addChildToParent(currentParent.value.id, {
studentId: selectedStudent.value.id,
studentId,
relationship: addChildForm.relationship,
});
message.success('添加成功');
success++;
} catch (e: any) {
lastError = e?.response?.data?.message || e?.message || '添加失败';
}
}
if (success > 0) {
const fail = selectedStudentIds.value.length - success;
message.success(
fail > 0 ? `成功关联 ${success} 个孩子，${fail} 个未添加（可能已关联）` : `成功关联 ${success} 个孩子`
);
selectStudentModalVisible.value = false;
selectedStudent.value = null;
selectedStudentIds.value = [];
selectedStudentMeta.value = {};
addChildForm.relationship = 'FATHER';
await loadParentChildren(currentParent.value.id);
loadParents(); // 刷新家长列表更新孩子数量
} catch (error: any) {
message.error(error?.response?.data?.message || '添加失败');
loadParents();
} else {
message.error(lastError || '添加失败');
}
} finally {
addChildLoading.value = false;
}
@ -726,6 +781,7 @@ onMounted(() => {
display: flex;
justify-content: space-between;
align-items: center;
min-height: 72px;
}
.header-title {
@ -1153,8 +1209,10 @@ onMounted(() => {
.select-footer {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
align-items: center;
align-items: flex-start;
gap: 12px;
margin-top: 16px;
padding: 16px;
background: #F8F9FA;
@ -1163,8 +1221,20 @@ onMounted(() => {
.selected-info {
display: flex;
flex-wrap: wrap;
align-items: center;
gap: 8px;
flex: 1;
min-width: 0;
}
.selected-count {
flex-shrink: 0;
}
.selected-tags {
flex: 1;
min-width: 0;
}
.selected-class {
@ -1189,6 +1259,7 @@ onMounted(() => {
flex-direction: column;
gap: 16px;
text-align: center;
min-height: auto;
}
.header-stats {

21
reading-platform-frontend/src/views/school/students/StudentListView.vue
View File

@ -759,6 +759,7 @@ onMounted(() => {
display: flex;
justify-content: space-between;
align-items: center;
min-height: 72px;
}
.header-title {
@ -768,14 +769,17 @@ onMounted(() => {
}
.title-icon {
width: 64px;
height: 64px;
border-radius: 16px;
width: 48px;
height: 48px;
border-radius: 12px;
background: rgba(255, 255, 255, 0.2);
display: flex;
align-items: center;
justify-content: center;
font-size: 32px;
}
.title-icon :deep(svg) {
font-size: 28px;
color: white;
}
@ -803,7 +807,7 @@ onMounted(() => {
.stat-value {
display: block;
font-size: 28px;
font-size: 32px;
font-weight: 700;
color: white;
}
@ -858,9 +862,9 @@ onMounted(() => {
}
.filters :deep(.ant-select-selector),
{
border-radius: 12px;
border: 2px solid #F0F0F0;
.filters :deep(.ant-input-affix-wrapper) {
border-radius: 12px;
border: 2px solid #F0F0F0;
}
.filters :deep(.ant-select-selector:hover),
@ -1319,6 +1323,7 @@ border: 2px solid #F0F0F0;
flex-direction: column;
gap: 16px;
text-align: center;
min-height: auto;
}
.header-stats {

2
reading-platform-frontend/src/views/school/teachers/TeacherListView.vue
View File

@ -512,6 +512,7 @@ onMounted(() => {
display: flex;
justify-content: space-between;
align-items: center;
min-height: 72px;
}
.header-title {
@ -850,6 +851,7 @@ onMounted(() => {
flex-direction: column;
gap: 16px;
text-align: center;
min-height: auto;
}
.header-stats {

16
reading-platform-frontend/src/views/teacher/lessons/LessonView.vue
View File

@ -922,11 +922,23 @@ const resetTimer = () => {
const exitLesson = () => {
Modal.confirm({
title: '确认退出',
content: '确定要退出上课吗？课堂记录将不会保存。',
content: '确定要退出上课吗？当前未完成的授课记录将被删除，且无法恢复。',
okText: '确认退出',
cancelText: '继续上课',
onOk: () => {
onOk: async () => {
if (!lessonId.value) {
router.back();
return;
}
try {
await teacherApi.abandonLesson(lessonId.value);
pauseTimer();
message.success('已退出上课');
router.back();
} catch (error: any) {
message.error(error?.message || error?.response?.data?.message || '退出失败');
throw error;
}
},
});
};

10
reading-platform-java/src/main/java/com/reading/platform/controller/teacher/TeacherLessonController.java
View File

@ -154,6 +154,16 @@ public class TeacherLessonController {
return Result.success();
}
@Operation(summary = "退出上课（删除未完成的课时记录）")
@Log(module = LogModule.LESSON, type = LogOperationType.DELETE, description = "教师退出上课并删除课时")
@PostMapping("/{id}/abandon")
public Result<Void> abandonLesson(@PathVariable Long id) {
Long teacherId = SecurityUtils.getCurrentUserId();
Long tenantId = SecurityUtils.getCurrentTenantId();
lessonService.abandonLessonByTeacher(id, teacherId, tenantId);
return Result.success();
}
@Operation(summary = "获取今日课程")
@GetMapping("/today")
public Result<List<LessonResponse>> getTodayLessons() {

5
reading-platform-java/src/main/java/com/reading/platform/service/LessonService.java
View File

@ -36,6 +36,11 @@ public interface LessonService extends com.baomidou.mybatisplus.extension.servic
void cancelLesson(Long id);
/**
* 教师退出上课：删除未完成的课时记录（非「已完成」），并回退课程包使用次数（与取消逻辑一致，已取消状态不再重复扣减）
*/
void abandonLessonByTeacher(Long lessonId, Long teacherId, Long tenantId);
List<Lesson> getTodayLessons(Long tenantId);
/**

29
reading-platform-java/src/main/java/com/reading/platform/service/impl/LessonServiceImpl.java
View File

@ -167,7 +167,7 @@ public class LessonServiceImpl extends ServiceImpl<LessonMapper, Lesson>
if (endDate != null) {
wrapper.le(Lesson::getLessonDate, endDate);
}
wrapper.orderByAsc(Lesson::getLessonDate, Lesson::getStartTime);
wrapper.orderByDesc(Lesson::getCreatedAt, Lesson::getUpdatedAt);
return lessonMapper.selectPage(page, wrapper);
}
@ -221,6 +221,33 @@ public class LessonServiceImpl extends ServiceImpl<LessonMapper, Lesson>
}
}
@Override
@Transactional
public void abandonLessonByTeacher(Long lessonId, Long teacherId, Long tenantId) {
Lesson lesson = getLessonById(lessonId);
if (!tenantId.equals(lesson.getTenantId())) {
throw new BusinessException(ErrorCode.FORBIDDEN, "无权操作该课时");
}
if (!teacherId.equals(lesson.getTeacherId())) {
throw new BusinessException(ErrorCode.FORBIDDEN, "无权操作该课时");
}
String st = lesson.getStatus();
if (LessonStatus.COMPLETED.getCode().equals(st)) {
throw new BusinessException(ErrorCode.BAD_REQUEST, "已完成的课程不可删除");
}
studentRecordMapper.delete(
new LambdaQueryWrapper<StudentRecord>().eq(StudentRecord::getLessonId, lessonId));
lessonFeedbackMapper.delete(
new LambdaQueryWrapper<LessonFeedback>().eq(LessonFeedback::getLessonId, lessonId));
// 与 cancelLesson 一致：仅当尚未处于「已取消」时回退使用次数（避免重复扣减）
if (lesson.getCourseId() != null && !LessonStatus.CANCELLED.getCode().equals(st)) {
coursePackageMapper.decrementUsageCount(lesson.getCourseId());
log.info("退出上课删除课时，课程包使用次数 -1: courseId={}", lesson.getCourseId());
}
lessonMapper.deleteById(lessonId);
log.info("教师退出上课，已删除课时记录 lessonId={}", lessonId);
}
@Override
public List<Lesson> getTodayLessons(Long tenantId) {
return lessonMapper.selectList(