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