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schoolNews/schoolNewsWeb/src/views/admin/manage/study/components/CourseAdd.vue

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2025-10-21 16:21:10 +08:00
<template>
<div class="course-add">
<!-- 页面头部 -->
<div class="page-header">
<el-button @click="handleCancel" :icon="ArrowLeft">返回</el-button>
<h2 class="page-title">{{ props.courseID ? '编辑课程' : '新增课程' }}</h2>
</div>
<el-form
ref="formRef"
:model="currentCourseVO"
:rules="rules"
label-width="120px"
>
<!-- 基本信息 -->
<el-card class="info-card" shadow="never">
<template #header>
<span class="card-header">基本信息</span>
</template>
<el-form-item label="课程名称" prop="course.name">
<el-input v-model="currentCourseVO.course.name" placeholder="请输入课程名称" />
</el-form-item>
<el-form-item label="课程封面" prop="course.coverImage">
<FileUpload
:as-dialog="false"
list-type="cover"
v-model:cover-url="currentCourseVO.course.coverImage"
accept="image/*"
:max-size="2"
module="course"
tip="建议尺寸 800x600"
@success="handleCoverUploadSuccess"
@remove="handleCoverRemove"
/>
</el-form-item>
<el-form-item label="授课老师" prop="course.teacher">
<el-input v-model="currentCourseVO.course.teacher" placeholder="请输入授课老师" />
</el-form-item>
<el-form-item label="课程时长" prop="course.duration">
<el-input-number
v-model="currentCourseVO.course.duration"
:min="0"
placeholder="分钟"
/>
<span class="ml-2">分钟</span>
</el-form-item>
<el-form-item label="课程描述" prop="course.description">
<el-input
v-model="currentCourseVO.course.description"
type="textarea"
:rows="3"
placeholder="请输入课程描述"
/>
</el-form-item>
<el-form-item label="排序号" prop="course.orderNum">
<el-input-number v-model="currentCourseVO.course.orderNum" :min="0" />
</el-form-item>
<el-form-item label="状态" prop="course.status">
<el-radio-group v-model="currentCourseVO.course.status">
<el-radio :label="0">未上线</el-radio>
<el-radio :label="1">已上线</el-radio>
<el-radio :label="2">已下架</el-radio>
</el-radio-group>
</el-form-item>
</el-card>
<!-- 章节管理 -->
<el-card class="chapter-card" shadow="never">
<template #header>
<div class="card-header-flex">
<span class="card-header">章节管理</span>
<el-button type="primary" size="small" @click="addChapter">
<el-icon><Plus /></el-icon>
添加章节
</el-button>
</div>
</template>
<div v-if="currentCourseVO.courseChapters.length === 0" class="empty-tip">
暂无章节请点击"添加章节"按钮添加
</div>
<el-collapse v-model="activeChapters">
<el-collapse-item
v-for="(chapterVO, chapterIndex) in currentCourseVO.courseChapters"
:key="chapterIndex"
:name="chapterIndex"
>
<template #title>
<div class="chapter-title">
<span>章节 {{ chapterIndex + 1 }}: {{ chapterVO.chapter.name || '未命名章节' }}</span>
<div class="chapter-actions" @click.stop>
<el-button
type="danger"
size="small"
link
@click="removeChapter(chapterIndex)"
>
删除章节
</el-button>
</div>
</div>
</template>
<!-- 章节信息 -->
<el-form-item :label="`章节${chapterIndex + 1}名称`" :prop="`courseChapters.${chapterIndex}.chapter.name`">
<el-input v-model="chapterVO.chapter.name" placeholder="请输入章节名称" />
</el-form-item>
<el-form-item :label="`章节${chapterIndex + 1}排序`" :prop="`courseChapters.${chapterIndex}.chapter.orderNum`">
<el-input-number v-model="chapterVO.chapter.orderNum" :min="0" />
</el-form-item>
<!-- 学习节点 -->
<div class="nodes-section">
<div class="nodes-header">
<span class="nodes-title">学习节点</span>
<el-button type="primary" size="small" @click="addNode(chapterIndex)">
<el-icon><Plus /></el-icon>
添加节点
</el-button>
</div>
<div v-if="chapterVO.nodes.length === 0" class="empty-tip">
暂无学习节点
</div>
<div v-else class="nodes-list">
<el-card
v-for="(node, nodeIndex) in chapterVO.nodes"
:key="nodeIndex"
class="node-card"
shadow="hover"
>
<template #header>
<div class="node-header">
<span>节点 {{ nodeIndex + 1 }}: {{ node.name || '未命名节点' }}</span>
<el-button
type="danger"
size="small"
link
@click="removeNode(chapterIndex, nodeIndex)"
>
删除
</el-button>
</div>
</template>
<el-form-item label="节点名称">
<el-input v-model="node.name" placeholder="请输入节点名称" />
</el-form-item>
<el-form-item label="节点类型">
<el-radio-group v-model="node.nodeType">
<el-radio :label="0">文章资源</el-radio>
<el-radio :label="1">富文本</el-radio>
<el-radio :label="2">上传文件</el-radio>
</el-radio-group>
</el-form-item>
<!-- 文章资源选择 -->
<el-form-item v-if="node.nodeType === 0" label="选择文章">
<el-select
v-model="node.resourceID"
filterable
remote
placeholder="搜索并选择文章"
:remote-method="getNodeSearchMethod(chapterIndex, nodeIndex)"
:loading="getNodeLoading(chapterIndex, nodeIndex)"
style="width: 100%"
>
<el-option
v-for="article in getNodeArticleOptions(chapterIndex, nodeIndex)"
:key="article.resourceID"
:label="article.title"
:value="article.resourceID"
/>
</el-select>
</el-form-item>
<!-- 富文本编辑 -->
<el-form-item v-if="node.nodeType === 1" label="内容编辑">
<RichTextComponent v-model="node.content" />
</el-form-item>
<!-- 文件上传 -->
<el-form-item v-if="node.nodeType === 2" label="上传文件">
<FileUpload
:as-dialog="false"
:multiple="false"
module="course-node"
:max-size="100"
tip="支持上传视频、音频、文档等文件单个文件不超过100MB"
@success="(files) => handleNodeFileUploadSuccess(files, chapterIndex, nodeIndex)"
/>
<div v-if="node.videoUrl" class="file-info-display">
<span>已上传文件</span>
<el-button type="text" @click="node.videoUrl = ''">删除</el-button>
</div>
</el-form-item>
<el-form-item label="节点时长">
<el-input-number v-model="node.duration" :min="0" />
<span class="ml-2">分钟</span>
</el-form-item>
<el-form-item label="是否必修">
<el-switch
v-model="node.isRequired"
:active-value="1"
:inactive-value="0"
/>
</el-form-item>
<el-form-item label="排序号">
<el-input-number v-model="node.orderNum" :min="0" />
</el-form-item>
</el-card>
</div>
</div>
</el-collapse-item>
</el-collapse>
</el-card>
<!-- 操作按钮 -->
<el-form-item class="action-buttons">
<el-button type="primary" @click="handleSubmit" :loading="submitting">
{{ courseID ? '更新课程' : '创建课程' }}
</el-button>
<el-button @click="handleCancel">取消</el-button>
</el-form-item>
</el-form>
</div>
</template>
<script setup lang="ts">
import { ref, onMounted } from 'vue';
import { ElMessage } from 'element-plus';
import { Plus, ArrowLeft } from '@element-plus/icons-vue';
import { FileUpload } from '@/components/file';
import { RichTextComponent } from '@/components/text';
import { courseApi } from '@/apis/study';
import { resourceApi } from '@/apis/resource';
import type { CourseNode, CourseVO, ChapterVO } from '@/types/study';
import type { Resource } from '@/types/resource';
import type { SysFile } from '@/types';
defineOptions({
name: 'CourseAdd'
});
// 节点扩展类型(用于前端交互)
interface NodeWithExtras extends CourseNode {
loading?: boolean;
articleOptions?: Resource[];
searchMethod?: (query: string) => void;
}
interface Props {
courseID?: string;
}
const props = defineProps<Props>();
const emit = defineEmits<{
success: [];
cancel: [];
}>();
const formRef = ref();
const submitting = ref(false);
const activeChapters = ref<number[]>([]);
// 原始数据(用于比对)
const originalCourseVO = ref<CourseVO>();
// 当前编辑的数据
const currentCourseVO = ref<CourseVO>({
course: {
name: '',
coverImage: '',
description: '',
teacher: '',
duration: 0,
status: 0,
orderNum: 0
},
courseChapters: [],
courseTags: []
});
// 表单验证规则
const rules = {
'course.name': [{ required: true, message: '请输入课程名称', trigger: 'blur' }],
'course.teacher': [{ required: true, message: '请输入授课老师', trigger: 'blur' }]
};
onMounted(() => {
if (props.courseID) {
loadCourse();
}
});
// 加载课程数据
async function loadCourse() {
try {
const res = await courseApi.getCourseById(props.courseID!);
if (res.success && res.data) {
// 保存原始数据
originalCourseVO.value = JSON.parse(JSON.stringify(res.data));
// 设置当前编辑数据
currentCourseVO.value = JSON.parse(JSON.stringify(res.data));
console.log(currentCourseVO.value);
}
} catch (error) {
console.error('加载课程失败:', error);
ElMessage.error('加载课程失败');
}
}
// 添加章节
function addChapter() {
const newChapterVO: ChapterVO = {
chapter: {
chapterID: '',
name: '',
orderNum: currentCourseVO.value.courseChapters.length
},
nodes: []
};
currentCourseVO.value.courseChapters.push(newChapterVO);
activeChapters.value.push(currentCourseVO.value.courseChapters.length - 1);
}
// 删除章节
function removeChapter(index: number) {
currentCourseVO.value.courseChapters.splice(index, 1);
// 更新激活的章节索引
activeChapters.value = activeChapters.value
.filter(i => i !== index)
.map(i => i > index ? i - 1 : i);
}
// 添加节点
function addNode(chapterIndex: number) {
const nodeIndex = currentCourseVO.value.courseChapters[chapterIndex].nodes.length;
const newNode: NodeWithExtras = {
nodeID: '',
name: '',
nodeType: 0,
content: '',
duration: 0,
isRequired: 1,
orderNum: nodeIndex,
loading: false,
articleOptions: [],
searchMethod: (query: string) => searchArticles(query, chapterIndex, nodeIndex)
};
currentCourseVO.value.courseChapters[chapterIndex].nodes.push(newNode);
}
// 删除节点
function removeNode(chapterIndex: number, nodeIndex: number) {
currentCourseVO.value.courseChapters[chapterIndex].nodes.splice(nodeIndex, 1);
}
// 辅助函数:获取节点的 searchMethod
function getNodeSearchMethod(chapterIndex: number, nodeIndex: number) {
const node = currentCourseVO.value.courseChapters[chapterIndex].nodes[nodeIndex] as NodeWithExtras;
return node.searchMethod;
}
// 辅助函数:获取节点的 loading 状态
function getNodeLoading(chapterIndex: number, nodeIndex: number) {
const node = currentCourseVO.value.courseChapters[chapterIndex].nodes[nodeIndex] as NodeWithExtras;
return node.loading || false;
}
// 辅助函数:获取节点的 articleOptions
function getNodeArticleOptions(chapterIndex: number, nodeIndex: number) {
const node = currentCourseVO.value.courseChapters[chapterIndex].nodes[nodeIndex] as NodeWithExtras;
return node.articleOptions || [];
}
// 搜索文章
async function searchArticles(query: string, chapterIndex: number, nodeIndex: number) {
const node = currentCourseVO.value.courseChapters[chapterIndex].nodes[nodeIndex] as NodeWithExtras;
if (!query) {
node.articleOptions = [];
return;
}
node.loading = true;
try {
const res = await resourceApi.getResourceList({
keyword: query
});
if (res.success && res.dataList) {
node.articleOptions = res.dataList;
}
} catch (error) {
console.error('搜索文章失败:', error);
} finally {
node.loading = false;
}
}
// 处理封面上传成功
function handleCoverUploadSuccess(files: SysFile[]) {
if (files && files.length > 0) {
// coverUrl已经通过v-model:cover-url自动更新了
// 这里可以做一些额外的处理比如记录fileID
console.log('封面上传成功:', files[0]);
}
}
// 处理封面删除
function handleCoverRemove() {
currentCourseVO.value.course.coverImage = '';
}
// 处理节点文件上传成功
function handleNodeFileUploadSuccess(files: SysFile[], chapterIndex: number, nodeIndex: number) {
if (files && files.length > 0) {
currentCourseVO.value.courseChapters[chapterIndex].nodes[nodeIndex].videoUrl = files[0].filePath || '';
}
}
// 提交表单
async function handleSubmit() {
try {
await formRef.value.validate();
submitting.value = true;
// 先创建/更新课程
let courseID = props.courseID;
if (courseID) {
const res = await courseApi.updateCourse({
...currentCourseVO.value.course,
courseID
});
if (!res.success) {
throw new Error('更新课程失败');
}
} else {
const res = await courseApi.createCourse(currentCourseVO.value);
if (!res.success || !res.data?.course.courseID) {
throw new Error('创建课程失败');
}
courseID = res.data.course.courseID;
}
ElMessage.success(props.courseID ? '课程更新成功' : '课程创建成功');
emit('success');
} catch (error) {
console.error('保存失败:', error);
ElMessage.error('保存失败');
} finally {
submitting.value = false;
}
}
// 取消
function handleCancel() {
emit('cancel');
}
</script>
<style lang="scss" scoped>
.course-add {
padding: 20px;
}
.page-header {
display: flex;
align-items: center;
gap: 16px;
margin-bottom: 24px;
.page-title {
font-size: 24px;
font-weight: 600;
color: #303133;
margin: 0;
}
}
.info-card,
.chapter-card {
margin-bottom: 20px;
:deep(.el-card__body) {
padding: 20px;
}
}
.card-header {
font-size: 16px;
font-weight: 600;
color: #303133;
}
.card-header-flex {
display: flex;
justify-content: space-between;
align-items: center;
}
.ml-2 {
margin-left: 8px;
}
.chapter-title {
display: flex;
justify-content: space-between;
align-items: center;
width: 100%;
padding-right: 20px;
}
.chapter-actions {
margin-left: auto;
}
.nodes-section {
margin-top: 20px;
padding: 15px;
background: #f5f7fa;
border-radius: 4px;
}
.nodes-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 15px;
}
.nodes-title {
font-size: 14px;
font-weight: 600;
color: #606266;
}
.nodes-list {
display: flex;
flex-direction: column;
gap: 15px;
}
.node-card {
:deep(.el-card__header) {
padding: 12px 15px;
background: #fafafa;
}
:deep(.el-card__body) {
padding: 15px;
}
}
.node-header {
display: flex;
justify-content: space-between;
align-items: center;
font-size: 14px;
}
.empty-tip {
text-align: center;
padding: 40px;
color: #909399;
font-size: 14px;
}
.action-buttons {
margin-top: 30px;
text-align: center;
}
.file-info-display {
margin-top: 10px;
padding: 10px;
background: #f5f7fa;
border-radius: 4px;
display: flex;
justify-content: space-between;
align-items: center;
span {
color: #606266;
font-size: 14px;
}
}
</style>