898 lines
21 KiB
Vue
898 lines
21 KiB
Vue
<template>
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<div class="course-detail">
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<!-- 返回按钮（可选） -->
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<div v-if="showBackButton" class="back-header">
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<el-button @click="handleBack" :icon="ArrowLeft">{{ backButtonText }}</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="courseItemVO" class="course-content">
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<!-- 课程信息看板 -->
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<div class="course-info-panel">
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<div class="panel-container">
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<!-- 左侧：课程封面 -->
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<div class="course-cover">
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<img
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:src="courseItemVO.coverImage ? FILE_DOWNLOAD_URL + courseItemVO.coverImage : defaultCover"
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:alt="courseItemVO.name"
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@error="handleImageError"
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/>
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</div>
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<!-- 右侧：课程信息 -->
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<div class="course-info">
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<div class="info-content">
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<!-- 课程标题 -->
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<h1 class="course-title">{{ courseItemVO.name }}</h1>
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<!-- 课程简介 -->
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<p class="course-desc">{{ courseItemVO.description || '暂无简介' }}</p>
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<!-- 课程元信息 -->
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<div class="course-meta">
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<div class="meta-item">
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<el-avatar :size="24" :src="getTeacherAvatar()" />
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<span>{{ courseItemVO.teacher || '课程讲师' }}</span>
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</div>
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<div class="meta-divider"></div>
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<div class="meta-item">
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<img src="@/assets/imgs/clock.svg" alt="time" />
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<span>{{ formatDuration(courseItemVO.duration) }}</span>
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</div>
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<div class="meta-divider"></div>
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<div class="meta-item">
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<img src="@/assets/imgs/book-read.svg" alt="learning" />
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<span>{{ courseItemVO.learnCount || 0 }}人学习</span>
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</div>
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</div>
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</div>
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<!-- 进度条区域 -->
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<div v-if="learningProgress" class="progress-section">
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<span class="progress-label">课程进度</span>
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<div class="progress-bar-wrapper">
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<div class="progress-bar">
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<div class="progress-fill" :style="{ width: learningProgress.progress + '%' }"></div>
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</div>
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<span class="progress-percent">{{ learningProgress.progress }}%</span>
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</div>
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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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{{ 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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:plain="!isCollected"
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@click="handleCollect"
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>
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<el-icon><Star /></el-icon>
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收藏课程
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</el-button>
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</div>
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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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<div class="chapter-section">
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<!-- 标题 -->
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<div class="section-title">
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<div class="title-bar"></div>
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<span class="title-text">课程目录</span>
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</div>
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<!-- 章节列表 -->
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<div v-if="!courseItemVO.chapters || courseItemVO.chapters.length === 0" class="empty-tip">
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暂无章节内容
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</div>
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<div v-else class="chapter-list">
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<div
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v-for="(chapterItem, chapterIndex) in courseItemVO.chapters"
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:key="chapterIndex"
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class="chapter-item"
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>
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<!-- 章节标题 -->
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<div class="chapter-header" @click="toggleChapter(chapterIndex)">
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<div class="chapter-title">
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<img src="@/assets/imgs/arrow-down.svg" alt="arrow" class="chevron-icon" :class="{ 'expanded': activeChapters.includes(chapterIndex) }"/>
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<span class="chapter-name">
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第{{ chapterIndex + 1 }}章 {{ chapterItem.name }}（{{ getChapterNodes(chapterIndex).length }}小节）
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</span>
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</div>
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</div>
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<!-- 节点列表 -->
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<div v-show="activeChapters.includes(chapterIndex)" class="node-list">
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<div v-if="getChapterNodes(chapterIndex).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
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v-else
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v-for="(node, nodeIndex) in getChapterNodes(chapterIndex)"
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:key="nodeIndex"
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class="node-item"
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:class="{ 'completed': isNodeCompleted(chapterIndex, nodeIndex) }"
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@click="handleNodeClick(chapterIndex, nodeIndex)"
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>
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<div class="node-left">
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<span class="node-number">第{{ nodeIndex + 1 }}节</span>
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<div class="node-info">
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<img v-if="node.nodeType === 2" src="@/assets/imgs/video.svg" alt="video" class="node-icon" />
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<img v-else src="@/assets/imgs/article.svg" alt="article" class="node-icon" />
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<span class="node-name">{{ node.name }}</span>
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</div>
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</div>
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<div class="node-right">
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<span class="node-status">
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{{ getNodeStatusText(node, chapterIndex, nodeIndex) }}
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</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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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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Star,
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StarFilled
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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 { CourseItemVO, LearningRecord } from '@/types';
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import { CollectionType } from '@/types';
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import { FILE_DOWNLOAD_URL } from '@/config';
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defineOptions({
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name: 'CourseDetail'
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});
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interface Props {
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courseId: string;
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showBackButton?: boolean;
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backButtonText?: string;
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}
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const props = withDefaults(defineProps<Props>(), {
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showBackButton: false,
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backButtonText: '返回'
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});
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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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// 从 store 获取用户信息
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const userInfo = computed(() => store.getters['auth/user']);
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const loading = ref(false);
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const enrolling = ref(false);
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const courseItemVO = ref<CourseItemVO | 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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// 辅助函数：获取章节的节点列表
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function getChapterNodes(chapterIndex: number): CourseItemVO[] {
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if (!courseItemVO.value) return [];
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const chapter = courseItemVO.value.chapters?.[chapterIndex];
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if (!chapter?.chapterID) return [];
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return courseItemVO.value.chapterNodes?.[chapter.chapterID] || [];
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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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courseItemVO.value = res.data;
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// 确保数据结构完整
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if (!courseItemVO.value.chapters) {
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courseItemVO.value.chapters = [];
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}
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if (!courseItemVO.value.chapterNodes) {
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courseItemVO.value.chapterNodes = {};
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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 (!userInfo.value?.id) return;
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try {
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const res = await userCollectionApi.isCollected(
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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 (!userInfo.value?.id) return;
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try {
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const res = await learningRecordApi.getCourseLearningRecord({
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userID: userInfo.value.id,
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resourceType: 2, // 课程
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courseID: 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 (!userInfo.value?.id) {
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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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userID: userInfo.value.id,
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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 = 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: userInfo.value.id,
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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 (!userInfo.value?.id) {
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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 (!courseItemVO.value || !courseItemVO.value.chapters || courseItemVO.value.chapters.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: userInfo.value.id,
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resourceType: 2, // 课程
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courseID: props.courseId, // 使用courseID而不是resourceID
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resourceID: props.courseId, // 保留resourceID以兼容
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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 (!userInfo.value?.id) {
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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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// 切换章节展开/收起
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function toggleChapter(chapterIndex: number) {
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const index = activeChapters.value.indexOf(chapterIndex);
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if (index > -1) {
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activeChapters.value.splice(index, 1);
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} else {
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activeChapters.value.push(chapterIndex);
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}
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}
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// 判断节点是否完成
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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function isNodeCompleted(chapterIndex: number, nodeIndex: number): boolean {
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// TODO: 实际应该从学习记录中判断
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return false;
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}
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// 获取节点状态文本
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function getNodeStatusText(node: any, chapterIndex: number, nodeIndex: number): string {
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const isCompleted = isNodeCompleted(chapterIndex, nodeIndex);
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if (isCompleted) {
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if (node.nodeType === 0) {
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// 文章类型，显示字数
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return '已学完';
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} else if (node.nodeType === 2 && node.duration) {
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// 视频类型，显示时长
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return `${node.duration}分钟｜已学完`;
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}
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return '已学完';
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} else {
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if (node.nodeType === 0) {
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// 文章类型
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return '200字';
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} else if (node.nodeType === 2 && node.duration) {
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// 视频类型，显示时长和学习进度
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return `${node.duration}分钟`;
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}
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return '未学习';
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}
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}
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// 获取讲师头像
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function getTeacherAvatar(): string {
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return 'https://cube.elemecdn.com/0/88/03b0d39583f48206768a7534e55bcpng.png';
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}
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// 图片加载失败处理
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function handleImageError(event: Event) {
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const target = event.target as HTMLImageElement;
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target.src = defaultCover;
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}
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function formatDuration(minutes?: number): string {
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if (!minutes) return '0小时0分';
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const hours = Math.floor(minutes / 60);
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const mins = minutes % 60;
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return `${hours}小时${mins}分`;
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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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.back-header {
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position: sticky;
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top: 0;
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z-index: 100;
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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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margin-bottom: 0;
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box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
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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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// 课程信息看板
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.course-info-panel {
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margin-bottom: 24px;
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.panel-container {
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display: flex;
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gap: 40px;
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padding: 40px 60px;
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background: #FFFFFF;
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border-radius: 10px;
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box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
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}
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}
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.course-cover {
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width: 478px;
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height: 237px;
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flex-shrink: 0;
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border-radius: 10px;
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overflow: hidden;
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img {
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width: 100%;
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height: 100%;
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object-fit: cover;
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}
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}
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.course-info {
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flex: 1;
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display: flex;
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flex-direction: column;
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gap: 20px;
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.info-content {
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display: flex;
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flex-direction: column;
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gap: 10px;
|
||
}
|
||
|
||
.course-title {
|
||
font-family: 'PingFang SC';
|
||
font-weight: 600;
|
||
font-size: 20px;
|
||
line-height: 1.4;
|
||
color: #141F38;
|
||
margin: 0;
|
||
}
|
||
|
||
.course-desc {
|
||
font-family: 'PingFang SC';
|
||
font-weight: 400;
|
||
font-size: 14px;
|
||
line-height: 1.57;
|
||
color: rgba(0, 0, 0, 0.3);
|
||
margin: 0;
|
||
display: -webkit-box;
|
||
-webkit-line-clamp: 2;
|
||
line-clamp: 2;
|
||
-webkit-box-orient: vertical;
|
||
overflow: hidden;
|
||
}
|
||
|
||
.course-meta {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 7px;
|
||
|
||
.meta-item {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 7px;
|
||
|
||
img {
|
||
width: 18px;
|
||
height: 18px;
|
||
}
|
||
|
||
span {
|
||
font-family: 'PingFang SC';
|
||
font-weight: 400;
|
||
font-size: 14px;
|
||
line-height: 1.57;
|
||
color: #4E5969;
|
||
}
|
||
}
|
||
|
||
.meta-divider {
|
||
width: 1px;
|
||
height: 14px;
|
||
background: #F1F5F9;
|
||
}
|
||
}
|
||
}
|
||
|
||
.progress-section {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 14px;
|
||
|
||
.progress-label {
|
||
font-family: 'PingFang SC';
|
||
font-weight: 500;
|
||
font-size: 14px;
|
||
line-height: 1.71;
|
||
color: #86909C;
|
||
}
|
||
|
||
.progress-bar-wrapper {
|
||
flex: 1;
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 9px;
|
||
}
|
||
|
||
.progress-bar {
|
||
flex: 1;
|
||
height: 6px;
|
||
background: #EAEAEA;
|
||
border-radius: 27px;
|
||
overflow: hidden;
|
||
|
||
.progress-fill {
|
||
height: 100%;
|
||
background: #10A5A1;
|
||
border-radius: 27px;
|
||
transition: width 0.3s ease;
|
||
}
|
||
}
|
||
|
||
.progress-percent {
|
||
font-family: 'PingFang SC';
|
||
font-weight: 500;
|
||
font-size: 14px;
|
||
line-height: 1.71;
|
||
color: #86909C;
|
||
text-align: right;
|
||
}
|
||
}
|
||
|
||
.action-buttons {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 27px;
|
||
|
||
:deep(.el-button) {
|
||
height: 42px;
|
||
border-radius: 8px;
|
||
font-family: 'PingFang SC';
|
||
font-weight: 500;
|
||
font-size: 16px;
|
||
padding: 8px 24px;
|
||
|
||
&.el-button--primary {
|
||
width: 180px;
|
||
background: #C62828;
|
||
border-color: #C62828;
|
||
|
||
&:hover {
|
||
background: #d32f2f;
|
||
border-color: #d32f2f;
|
||
}
|
||
}
|
||
|
||
&.el-button--default {
|
||
width: 125px;
|
||
border-color: #86909C;
|
||
color: #86909C;
|
||
|
||
img {
|
||
width: 20px;
|
||
height: 20px;
|
||
margin-right: 4px;
|
||
}
|
||
|
||
.el-icon {
|
||
margin-right: 4px;
|
||
}
|
||
|
||
&.is-plain {
|
||
background: #FFFFFF;
|
||
|
||
&:hover {
|
||
background: #f5f7fa;
|
||
}
|
||
}
|
||
|
||
&:not(.is-plain) {
|
||
background: #C62828;
|
||
border-color: #C62828;
|
||
color: #FFFFFF;
|
||
|
||
&:hover {
|
||
background: #d32f2f;
|
||
border-color: #d32f2f;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
.learning-progress {
|
||
.progress-header {
|
||
display: flex;
|
||
justify-content: space-between;
|
||
margin-bottom: 12px;
|
||
font-size: 14px;
|
||
|
||
.progress-text {
|
||
color: #409eff;
|
||
font-weight: 600;
|
||
}
|
||
}
|
||
}
|
||
|
||
// 课程章节区域
|
||
.chapter-section {
|
||
background: #FFFFFF;
|
||
border-radius: 10px;
|
||
padding: 20px;
|
||
box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
|
||
}
|
||
|
||
.section-title {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 4px;
|
||
height: 25px;
|
||
margin-bottom: 24px;
|
||
|
||
.title-bar {
|
||
width: 3px;
|
||
height: 14px;
|
||
background: #C62828;
|
||
border-radius: 2px;
|
||
}
|
||
|
||
.title-text {
|
||
font-family: 'PingFang SC';
|
||
font-weight: 600;
|
||
font-size: 16px;
|
||
line-height: 1.5;
|
||
color: #1E293B;
|
||
}
|
||
}
|
||
|
||
.chapter-list {
|
||
display: flex;
|
||
flex-direction: column;
|
||
gap: 8px;
|
||
}
|
||
|
||
.chapter-item {
|
||
.chapter-header {
|
||
background: #F6F7F8;
|
||
border-radius: 6px;
|
||
padding: 18px 16px;
|
||
cursor: pointer;
|
||
transition: background 0.3s;
|
||
|
||
&:hover {
|
||
background: #eef0f2;
|
||
}
|
||
}
|
||
|
||
.chapter-title {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 4px;
|
||
|
||
.chevron-icon {
|
||
width: 12px;
|
||
height: 12px;
|
||
flex-shrink: 0;
|
||
transition: transform 0.3s;
|
||
transform: rotate(-90deg);
|
||
|
||
&.expanded {
|
||
transform: rotate(0deg);
|
||
}
|
||
}
|
||
|
||
.chapter-name {
|
||
font-family: 'PingFang SC';
|
||
font-weight: 500;
|
||
font-size: 16px;
|
||
line-height: 1.5;
|
||
color: #000000;
|
||
}
|
||
}
|
||
}
|
||
|
||
.node-list {
|
||
display: flex;
|
||
flex-direction: column;
|
||
}
|
||
|
||
.node-item {
|
||
display: flex;
|
||
justify-content: space-between;
|
||
align-items: center;
|
||
padding: 20px 30px;
|
||
border-bottom: 1px solid #F1F5F9;
|
||
cursor: pointer;
|
||
transition: background 0.3s;
|
||
|
||
&:hover {
|
||
background: #fafbfc;
|
||
}
|
||
|
||
.node-left {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 16px;
|
||
flex: 1;
|
||
|
||
.node-number {
|
||
font-family: 'PingFang SC';
|
||
font-weight: 400;
|
||
font-size: 14px;
|
||
line-height: 1.57;
|
||
color: #C62828;
|
||
flex-shrink: 0;
|
||
}
|
||
|
||
.node-info {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 6px;
|
||
|
||
.node-icon {
|
||
flex-shrink: 0;
|
||
stroke: currentColor;
|
||
}
|
||
|
||
.node-name {
|
||
font-family: 'PingFang SC';
|
||
font-weight: 400;
|
||
font-size: 14px;
|
||
line-height: 1.57;
|
||
color: #C62828;
|
||
}
|
||
}
|
||
}
|
||
|
||
.node-right {
|
||
.node-status {
|
||
font-family: 'PingFang SC';
|
||
font-weight: 400;
|
||
font-size: 14px;
|
||
line-height: 1.57;
|
||
color: #C62828;
|
||
text-align: right;
|
||
}
|
||
}
|
||
|
||
// 已完成的节点样式
|
||
&.completed {
|
||
.node-left {
|
||
.node-number {
|
||
color: #4E5969;
|
||
}
|
||
|
||
.node-info {
|
||
.node-icon {
|
||
stroke: currentColor;
|
||
}
|
||
|
||
.node-name {
|
||
color: #4E5969;
|
||
}
|
||
}
|
||
}
|
||
|
||
.node-right {
|
||
.node-status {
|
||
color: #4E5969;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
.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>
|
||
|