675 lines
15 KiB
Vue
675 lines
15 KiB
Vue
<template>
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<div class="course-detail">
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<!-- 页面头部 -->
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<div class="page-header">
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<el-button @click="handleBack" :icon="ArrowLeft">返回</el-button>
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</div>
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<!-- 加载中 -->
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<div v-if="loading" class="loading">
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<el-skeleton :rows="10" animated />
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</div>
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<!-- 课程详情 -->
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<div v-else-if="courseVO" class="course-content">
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<!-- 课程封面和基本信息 -->
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<div class="course-header">
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<div class="cover-section">
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<img
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:src="courseVO.course.coverImage || defaultCover"
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:alt="courseVO.course.name"
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class="cover-image"
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/>
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</div>
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<div class="info-section">
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<h1 class="course-title">{{ courseVO.course.name }}</h1>
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<div class="course-meta">
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<div class="meta-item">
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<el-icon><User /></el-icon>
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<span>授课老师：{{ courseVO.course.teacher }}</span>
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</div>
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<div class="meta-item">
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<el-icon><Clock /></el-icon>
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<span>课程时长：{{ formatDuration(courseVO.course.duration) }}</span>
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</div>
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<div class="meta-item">
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<el-icon><View /></el-icon>
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<span>{{ courseVO.course.viewCount || 0 }} 人浏览</span>
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</div>
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<div class="meta-item">
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<el-icon><Reading /></el-icon>
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<span>{{ courseVO.course.learnCount || 0 }} 人学习</span>
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</div>
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</div>
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<div class="course-description">
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<p>{{ courseVO.course.description }}</p>
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</div>
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<!-- 操作按钮 -->
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<div class="action-buttons">
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<el-button
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type="primary"
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size="large"
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@click="handleStartLearning"
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:loading="enrolling"
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>
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<el-icon><VideoPlay /></el-icon>
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{{ isEnrolled ? '继续学习' : '开始学习' }}
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</el-button>
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<el-button
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size="large"
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:icon="isCollected ? StarFilled : Star"
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@click="handleCollect"
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>
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{{ isCollected ? '已收藏' : '收藏课程' }}
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</el-button>
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</div>
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<!-- 学习进度 -->
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<div v-if="learningProgress" class="learning-progress">
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<div class="progress-header">
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<span>学习进度</span>
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<span class="progress-text">{{ learningProgress.progress }}%</span>
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</div>
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<el-progress
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:percentage="learningProgress.progress"
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:stroke-width="10"
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:color="progressColor"
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/>
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</div>
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</div>
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</div>
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<!-- 课程章节 -->
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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">
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<span>课程章节</span>
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<span class="chapter-count">共 {{ courseVO.courseChapters.length }} 章</span>
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</div>
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</template>
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<div v-if="courseVO.courseChapters.length === 0" class="empty-tip">
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暂无章节内容
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</div>
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<el-collapse v-else v-model="activeChapters">
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<el-collapse-item
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v-for="(chapterVO, chapterIndex) in courseVO.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-bar">
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<span class="chapter-name">
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<el-icon><DocumentCopy /></el-icon>
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章节 {{ chapterIndex + 1 }}: {{ chapterVO.chapter.name }}
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</span>
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<span class="chapter-meta">
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{{ chapterVO.nodes.length }} 个节点
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</span>
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</div>
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</template>
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<!-- 节点列表 -->
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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="node-list">
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<div
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v-for="(node, nodeIndex) in chapterVO.nodes"
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:key="nodeIndex"
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class="node-item"
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@click="handleNodeClick(chapterIndex, nodeIndex)"
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>
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<div class="node-info">
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<el-icon class="node-icon">
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<Document v-if="node.nodeType === 0" />
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<Edit v-else-if="node.nodeType === 1" />
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<Upload v-else />
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</el-icon>
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<span class="node-name">{{ node.name }}</span>
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<el-tag
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v-if="node.isRequired === 1"
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type="danger"
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size="small"
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effect="plain"
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>
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必修
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</el-tag>
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</div>
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<div class="node-meta">
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<span v-if="node.duration" class="node-duration">
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<el-icon><Clock /></el-icon>
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{{ node.duration }} 分钟
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</span>
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<el-icon class="arrow-icon"><ArrowRight /></el-icon>
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</div>
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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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<!-- 收藏按钮（底部浮动） -->
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<div class="floating-collect">
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<el-button
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circle
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size="large"
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:icon="isCollected ? StarFilled : Star"
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@click="handleCollect"
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:type="isCollected ? 'warning' : 'default'"
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/>
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</div>
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</div>
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<!-- 加载失败 -->
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<div v-else class="error-tip">
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<el-empty description="加载课程失败" />
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</div>
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</div>
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</template>
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<script setup lang="ts">
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import { ref, computed, watch } from 'vue';
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import { useRouter } from 'vue-router';
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import { ElMessage } from 'element-plus';
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import {
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ArrowLeft,
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User,
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Clock,
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View,
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Reading,
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VideoPlay,
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Star,
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StarFilled,
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DocumentCopy,
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Document,
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Edit,
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Upload,
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ArrowRight
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} from '@element-plus/icons-vue';
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import { courseApi } from '@/apis/study';
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import { learningRecordApi } from '@/apis/study';
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import { userCollectionApi } from '@/apis/usercenter';
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import { useStore } from 'vuex';
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import type { CourseVO, LearningRecord } from '@/types';
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import { CollectionType } from '@/types';
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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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'back': [];
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'start-learning': [courseId: string, chapterIndex: number, nodeIndex: number];
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}>();
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const router = useRouter();
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const store = useStore();
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const authStore = computed(() => store.state.auth);
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const loading = ref(false);
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const enrolling = ref(false);
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const courseVO = ref<CourseVO | null>(null);
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const isCollected = ref(false);
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const isEnrolled = ref(false);
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const learningProgress = ref<LearningRecord | null>(null);
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const activeChapters = ref<number[]>([0]); // 默认展开第一章
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const defaultCover = new URL('@/assets/imgs/article-default.png', import.meta.url).href;
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// 进度条颜色
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const progressColor = computed(() => {
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const progress = learningProgress.value?.progress || 0;
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if (progress >= 80) return '#67c23a';
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if (progress >= 50) return '#409eff';
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return '#e6a23c';
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});
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watch(() => props.courseId, (newId) => {
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if (newId) {
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loadCourseDetail();
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checkCollectionStatus();
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loadLearningProgress();
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}
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}, { immediate: true });
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// 加载课程详情
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async function loadCourseDetail() {
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loading.value = true;
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try {
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// 增加浏览次数
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courseApi.incrementViewCount(props.courseId);
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const res = await courseApi.getCourseById(props.courseId);
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if (res.success && res.data) {
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courseVO.value = res.data;
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// 确保数据结构完整
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if (!courseVO.value.courseChapters) {
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courseVO.value.courseChapters = [];
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}
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if (!courseVO.value.courseTags) {
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courseVO.value.courseTags = [];
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}
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courseVO.value.courseChapters.forEach((chapter) => {
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if (!chapter.nodes) {
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chapter.nodes = [];
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}
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});
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} else {
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ElMessage.error('加载课程失败');
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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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} finally {
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loading.value = false;
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}
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}
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// 检查收藏状态
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async function checkCollectionStatus() {
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if (!authStore.value.userInfo?.userID) return;
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try {
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const res = await userCollectionApi.isCollected(
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authStore.value.userInfo.userID,
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CollectionType.COURSE,
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props.courseId
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);
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if (res.success) {
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isCollected.value = res.data || false;
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}
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} catch (error) {
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console.error('检查收藏状态失败:', error);
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}
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}
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// 加载学习进度
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async function loadLearningProgress() {
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if (!authStore.value.userInfo?.userID) return;
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try {
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const res = await learningRecordApi.getRecordList({
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userID: authStore.value.userInfo.userID,
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resourceType: 2, // 课程类型
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resourceID: props.courseId
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});
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if (res.success && res.dataList && res.dataList.length > 0) {
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learningProgress.value = res.dataList[0];
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isEnrolled.value = true;
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}
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} catch (error) {
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console.error('加载学习进度失败:', error);
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}
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}
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// 处理收藏
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async function handleCollect() {
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if (!authStore.value.userInfo?.userID) {
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ElMessage.warning('请先登录');
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router.push('/login');
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return;
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}
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try {
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if (isCollected.value) {
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// 取消收藏
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const res = await userCollectionApi.removeCollection(
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authStore.value.userInfo.userID,
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CollectionType.COURSE,
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props.courseId
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);
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if (res.success) {
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isCollected.value = false;
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ElMessage.success('已取消收藏');
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}
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} else {
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// 添加收藏
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const res = await userCollectionApi.addCollection({
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userID: authStore.value.userInfo.userID,
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collectionType: CollectionType.COURSE,
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collectionID: props.courseId
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});
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if (res.success) {
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isCollected.value = true;
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ElMessage.success('收藏成功');
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}
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}
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} catch (error) {
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console.error('收藏操作失败:', error);
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ElMessage.error('操作失败');
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}
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}
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// 开始学习
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async function handleStartLearning() {
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if (!authStore.value.userInfo?.userID) {
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ElMessage.warning('请先登录');
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router.push('/login');
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return;
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}
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if (!courseVO.value || courseVO.value.courseChapters.length === 0) {
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ElMessage.warning('课程暂无内容');
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return;
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}
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enrolling.value = true;
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try {
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// 如果未报名，创建学习记录
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if (!isEnrolled.value) {
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await courseApi.incrementLearnCount(props.courseId);
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await learningRecordApi.createRecord({
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userID: authStore.value.userInfo.userID,
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resourceType: 2, // 课程
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resourceID: props.courseId,
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progress: 0,
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duration: 0,
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isComplete: false
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});
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isEnrolled.value = true;
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}
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// 跳转到学习页面，默认从第一章第一节开始
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emit('start-learning', props.courseId, 0, 0);
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} catch (error) {
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console.error('开始学习失败:', error);
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ElMessage.error('开始学习失败');
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} finally {
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enrolling.value = false;
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}
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}
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// 点击节点
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function handleNodeClick(chapterIndex: number, nodeIndex: number) {
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if (!authStore.value.userInfo?.userID) {
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ElMessage.warning('请先登录');
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router.push('/login');
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return;
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}
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emit('start-learning', props.courseId, chapterIndex, nodeIndex);
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}
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// 返回
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function handleBack() {
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emit('back');
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}
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// 格式化时长
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function formatDuration(minutes?: number): string {
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if (!minutes) return '0分钟';
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const hours = Math.floor(minutes / 60);
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const mins = minutes % 60;
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if (hours > 0) {
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return `${hours}小时${mins}分钟`;
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}
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return `${mins}分钟`;
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}
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</script>
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<style lang="scss" scoped>
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.course-detail {
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min-height: 100vh;
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background: #f5f7fa;
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padding-bottom: 60px;
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}
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.page-header {
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padding: 16px 24px;
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background: #fff;
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border-bottom: 1px solid #e4e7ed;
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position: sticky;
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top: 0;
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z-index: 10;
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}
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.loading {
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padding: 24px;
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background: #fff;
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margin: 16px;
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border-radius: 8px;
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}
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.course-content {
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max-width: 1200px;
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margin: 0 auto;
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padding: 24px;
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}
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.course-header {
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background: #fff;
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border-radius: 8px;
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padding: 24px;
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margin-bottom: 24px;
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display: flex;
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gap: 24px;
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box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
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@media (max-width: 768px) {
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flex-direction: column;
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}
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}
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.cover-section {
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flex-shrink: 0;
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.cover-image {
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width: 320px;
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height: 240px;
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object-fit: cover;
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border-radius: 8px;
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@media (max-width: 768px) {
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width: 100%;
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height: auto;
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}
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}
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}
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.info-section {
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flex: 1;
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display: flex;
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flex-direction: column;
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gap: 16px;
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}
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.course-title {
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font-size: 28px;
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font-weight: 600;
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color: #303133;
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margin: 0;
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line-height: 1.4;
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}
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.course-meta {
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display: flex;
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flex-wrap: wrap;
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gap: 24px;
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.meta-item {
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display: flex;
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align-items: center;
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gap: 8px;
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color: #606266;
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font-size: 14px;
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.el-icon {
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color: #909399;
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}
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}
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}
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.course-description {
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color: #606266;
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font-size: 14px;
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line-height: 1.8;
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p {
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margin: 0;
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}
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}
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.action-buttons {
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display: flex;
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gap: 16px;
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margin-top: 8px;
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}
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.learning-progress {
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padding: 16px;
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background: #f5f7fa;
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border-radius: 8px;
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.progress-header {
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display: flex;
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justify-content: space-between;
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margin-bottom: 12px;
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font-size: 14px;
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.progress-text {
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color: #409eff;
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font-weight: 600;
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}
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}
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}
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.chapter-card {
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:deep(.el-card__header) {
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background: #fafafa;
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}
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.card-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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font-size: 18px;
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font-weight: 600;
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.chapter-count {
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font-size: 14px;
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color: #909399;
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font-weight: normal;
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}
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}
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}
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.chapter-title-bar {
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display: flex;
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justify-content: space-between;
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align-items: center;
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width: 100%;
|
||
padding-right: 20px;
|
||
|
||
.chapter-name {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 8px;
|
||
font-size: 16px;
|
||
font-weight: 500;
|
||
}
|
||
|
||
.chapter-meta {
|
||
font-size: 14px;
|
||
color: #909399;
|
||
}
|
||
}
|
||
|
||
.node-list {
|
||
padding: 8px 0;
|
||
}
|
||
|
||
.node-item {
|
||
display: flex;
|
||
justify-content: space-between;
|
||
align-items: center;
|
||
padding: 12px 16px;
|
||
margin: 8px 0;
|
||
background: #fafafa;
|
||
border-radius: 6px;
|
||
cursor: pointer;
|
||
transition: all 0.3s;
|
||
|
||
&:hover {
|
||
background: #f0f2f5;
|
||
transform: translateX(4px);
|
||
}
|
||
|
||
.node-info {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 12px;
|
||
flex: 1;
|
||
|
||
.node-icon {
|
||
color: #409eff;
|
||
font-size: 18px;
|
||
}
|
||
|
||
.node-name {
|
||
font-size: 14px;
|
||
color: #303133;
|
||
}
|
||
}
|
||
|
||
.node-meta {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 12px;
|
||
|
||
.node-duration {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 4px;
|
||
font-size: 13px;
|
||
color: #909399;
|
||
}
|
||
|
||
.arrow-icon {
|
||
color: #c0c4cc;
|
||
transition: transform 0.3s;
|
||
}
|
||
}
|
||
|
||
&:hover .arrow-icon {
|
||
transform: translateX(4px);
|
||
}
|
||
}
|
||
|
||
.empty-tip {
|
||
text-align: center;
|
||
padding: 40px;
|
||
color: #909399;
|
||
font-size: 14px;
|
||
}
|
||
|
||
.error-tip {
|
||
padding: 40px;
|
||
}
|
||
|
||
.floating-collect {
|
||
position: fixed;
|
||
bottom: 80px;
|
||
right: 40px;
|
||
z-index: 100;
|
||
|
||
@media (max-width: 768px) {
|
||
bottom: 60px;
|
||
right: 20px;
|
||
}
|
||
}
|
||
</style>
|
||
|