820 lines
18 KiB
Vue
820 lines
18 KiB
Vue
<template>
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<div class="courses-page">
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<!-- 页面头部横幅 -->
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<div class="page-header">
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<div class="header-content">
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<h1 class="page-title">粉丝</h1>
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<p class="page-subtitle">7832</p>
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</div>
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<div class="header-content">
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<h1 class="page-title">课程</h1>
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<p class="page-subtitle">12</p>
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</div>
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<div class="header-content">
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<h1 class="page-title">播放量</h1>
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<p class="page-subtitle">12.3万</p>
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</div>
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</div>
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<div class="title-lecturer">
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<img src="/images/Teachers/师资力量1.png" alt="">
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<h3>汪波</h3>
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<p>云南师范大学教授、平台签约讲师</p>
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<button :class="{ 'disabled': isFollowing }" @click="toggleFollow">
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{{ isFollowing ? '已关注' : '+ 关注' }}
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</button>
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</div>
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<!-- 主要内容区域 -->
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<div class="main-content">
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<div class="container">
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<!-- 课程导航 -->
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<div class="text-wrapper_8 flex-row">
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<span class="text_24">全部课程</span>
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<div class="sort-options">
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<span class="text_25" :class="{ 'active': sortType === 'hot' }" @click="selectSortType('hot')">最热</span>
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<span class="text_26" :class="{ 'active': sortType === 'new' }" @click="selectSortType('new')">最新</span>
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</div>
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</div>
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<!-- 加载状态 -->
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<div class="loading-state" v-if="loading">
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<div class="loading-content">
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<p>正在加载课程...</p>
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</div>
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</div>
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<!-- 课程网格 -->
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<div class="courses-grid" v-else-if="allCourses.length > 0">
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<div class="course-card" v-for="course in allCourses" :key="course.id">
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<div class="course-image">
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<img :src="course.thumbnail" :alt="course.title" />
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</div>
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<div class="course-info">
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<h3 class="course-title">{{ getCourseTitle(course) }}</h3>
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<div class="course-meta">
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<div class="course-chapters">
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<img src="/images/Teachers/chapter.png" alt="课程章节" class="meta-icon">
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<span>共9章54节</span>
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</div>
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<div class="course-duration">
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<img src="/images/Teachers/duration.png" alt="课程时长" class="meta-icon">
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<span>12小时43分钟</span>
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</div>
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</div>
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<div class="course-footer">
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<div class="course-stats">
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<span class="course-students">讲师: 刘莹</span>
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</div>
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<button class="enroll-btn" @click="goToCourseDetail(course)">去学习</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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<!-- 空状态 -->
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<div class="empty-state" v-else>
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<div class="empty-content">
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<p>暂无符合条件的课程</p>
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<button class="clear-filters-btn" @click="clearAllFilters">清除筛选条件</button>
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</div>
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</div>
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<!-- 分页组件 -->
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<div class="pagination">
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<span class="pagination-info">{{ currentPageText }} / 共{{ totalPages }}页 ({{ totalItems }}条数据)</span>
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<span class="pagination-link prev" @click="goToPrevPage" :class="{ disabled: currentPage === 1 }">上一页</span>
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<!-- 第一页 -->
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<button v-if="totalPages > 0" class="pagination-btn page-num" :class="{ active: currentPage === 1 }"
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@click="goToPage(1)">1</button>
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<!-- 左侧省略号 -->
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<span v-if="currentPage > 4" class="pagination-dots">...</span>
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<!-- 当前页附近的页码 -->
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<template v-for="page in visiblePages" :key="page">
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<button v-if="page !== 1 && page !== totalPages" class="pagination-btn page-num"
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:class="{ active: currentPage === page }" @click="goToPage(page)">{{ page }}</button>
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</template>
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<!-- 右侧省略号 -->
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<span v-if="currentPage < totalPages - 3" class="pagination-dots">...</span>
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<!-- 最后一页 -->
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<button v-if="totalPages > 1" class="pagination-btn page-num" :class="{ active: currentPage === totalPages }"
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@click="goToPage(totalPages)">{{ totalPages }}</button>
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<span class="pagination-link next" @click="goToNextPage"
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:class="{ disabled: currentPage === totalPages }">下一页</span>
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<span class="pagination-link last" @click="goToPage(totalPages)">尾页</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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</template>
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<script setup lang="ts">
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import { ref, computed, onMounted } from 'vue'
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// 关注状态
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const isFollowing = ref(false)
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// 切换关注状态
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const toggleFollow = () => {
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isFollowing.value = !isFollowing.value
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}
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import { useRouter } from 'vue-router'
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import type { Course } from '@/api/types'
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import { mockCourses } from '@/data/mockCourses'
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const router = useRouter()
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// 课程数据和加载状态
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const courses = ref<Course[]>([])
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const loading = ref(false)
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const total = ref(0)
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// 筛选和排序状态
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const selectedSubject = ref('全部')
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const selectedMajor = ref('全部')
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const selectedDifficulty = ref('全部')
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const sortType = ref('all') // all: 全部课程, hot: 最热, new: 最新
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// 分页相关状态
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const currentPage = ref(1)
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const itemsPerPage = 20
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const totalItems = computed(() => total.value)
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const totalPages = computed(() => Math.ceil(totalItems.value / itemsPerPage))
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// 已移除未使用的广告显隐逻辑，避免构建时报未使用错误
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// 数字转中文
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const numberToChinese = (num: number): string => {
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const chineseNumbers = ['', '一', '二', '三', '四', '五', '六', '七', '八', '九', '十']
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if (num <= 10) {
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return chineseNumbers[num]
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} else if (num < 20) {
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return '十' + chineseNumbers[num - 10]
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} else if (num < 100) {
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const tens = Math.floor(num / 10)
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const ones = num % 10
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return chineseNumbers[tens] + '十' + (ones > 0 ? chineseNumbers[ones] : '')
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}
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return num.toString()
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}
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// 当前页面文本
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const currentPageText = computed(() => {
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if (currentPage.value === 1) {
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return '首页'
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} else {
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return `第${numberToChinese(currentPage.value)}页`
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}
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})
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// 可见的页码范围
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const visiblePages = computed(() => {
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const pages = []
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const current = currentPage.value
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const total = totalPages.value
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// 显示当前页前后2页
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const start = Math.max(2, current - 2)
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const end = Math.min(total - 1, current + 2)
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for (let i = start; i <= end; i++) {
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pages.push(i)
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}
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return pages
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})
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// 加载课程数据（使用模拟数据）
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const loadCourses = async () => {
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try {
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loading.value = true
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// 模拟网络延迟
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await new Promise(resolve => setTimeout(resolve, 500))
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// 筛选逻辑
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let filteredCourses = [...mockCourses]
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// 按学科筛选
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if (selectedSubject.value !== '全部') {
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filteredCourses = filteredCourses.filter(course => {
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switch (selectedSubject.value) {
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case '计算机':
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return course.category.name === '编程开发' || course.category.name === '前端开发' || course.category.name === '后端开发'
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case '教育学':
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return course.category.name === '教育培训'
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default:
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return true
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}
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})
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}
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// 排序逻辑
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if (sortType.value === 'hot') {
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// 按热度排序（假设课程有studentsCount字段表示学生数量）
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filteredCourses.sort((a, b) => {
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const studentsA = a.studentsCount || 0;
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const studentsB = b.studentsCount || 0;
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return studentsB - studentsA;
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});
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} else if (sortType.value === 'new') {
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// 按最新排序（假设课程有createdAt字段表示创建时间）
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filteredCourses.sort((a, b) => {
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const dateA = new Date(a.createdAt || 0);
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const dateB = new Date(b.createdAt || 0);
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return dateB.getTime() - dateA.getTime();
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});
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} else {
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// 默认排序（按课程ID）
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filteredCourses.sort((a, b) => a.id - b.id);
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}
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// 按专业筛选
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if (selectedMajor.value !== '全部') {
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filteredCourses = filteredCourses.filter(course =>
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course.title.includes(selectedMajor.value) ||
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course.description.includes(selectedMajor.value) ||
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course.tags.some(tag => tag.includes(selectedMajor.value))
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)
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}
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// 按难度筛选
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if (selectedDifficulty.value !== '全部') {
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const difficultyMap: { [key: string]: string } = {
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'初级': 'beginner',
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'中级': 'intermediate',
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'高级': 'advanced'
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}
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const targetLevel = difficultyMap[selectedDifficulty.value]
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if (targetLevel) {
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filteredCourses = filteredCourses.filter(course => course.level === targetLevel)
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}
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}
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// 分页处理
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total.value = filteredCourses.length
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const startIndex = (currentPage.value - 1) * itemsPerPage
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const endIndex = startIndex + itemsPerPage
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courses.value = filteredCourses.slice(startIndex, endIndex)
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console.log('课程加载成功:', courses.value.length, '条课程，总计:', total.value)
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} catch (error) {
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console.error('加载课程失败:', error)
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courses.value = []
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total.value = 0
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} finally {
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loading.value = false
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}
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}
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// 根据学科获取分类ID（这里需要根据实际后端分类来映射）
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// const getCategoryIdBySubject = (subject: string): number | undefined => {
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// const categoryMap: Record<string, number> = {
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// '必修课': 1,
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// '高分课': 2,
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// '名师课堂': 3,
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// '训练营': 4,
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// '无考试': 5,
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// '专题讲座': 6
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// }
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// return categoryMap[subject]
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// }
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// 跳转到指定页面
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const goToPage = (page: number) => {
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if (page >= 1 && page <= totalPages.value) {
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currentPage.value = page
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loadCourses()
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}
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}
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// 上一页
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const goToPrevPage = () => {
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if (currentPage.value > 1) {
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goToPage(currentPage.value - 1)
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}
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}
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// 下一页
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const goToNextPage = () => {
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if (currentPage.value < totalPages.value) {
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goToPage(currentPage.value + 1)
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}
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}
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// 清除所有筛选条件
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const clearAllFilters = () => {
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selectedSubject.value = '全部'
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selectedMajor.value = '全部'
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selectedDifficulty.value = '全部'
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currentPage.value = 1
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loadCourses()
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}
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// 已移除未使用的筛选函数，避免构建时报未使用错误
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// 排序功能
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const selectSortType = (type: string) => {
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sortType.value = type
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currentPage.value = 1 // 重置到第一页
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loadCourses()
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}
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// 当前页显示的课程数据（直接使用从API获取的数据）
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const allCourses = computed(() => {
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return courses.value
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})
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// 获取课程标题的函数
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const getCourseTitle = (course: Course) => {
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return course.title
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}
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// 跳转到课程详情页
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const goToCourseDetail = (course: Course) => {
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router.push({
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name: 'CourseDetail',
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params: { id: course.id }
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})
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}
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// 组件挂载时加载数据
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onMounted(() => {
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loadCourses()
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})
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</script>
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<style scoped>
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.courses-page {
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min-height: 100vh;
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background: #fff;
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}
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.page-header {
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background-image: url('/images/Teachers/teacher-bg.png');
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background-size: cover;
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background-position: center;
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text-align: center;
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color: #000;
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position: relative;
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overflow: hidden;
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display: flex;
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justify-content: flex-end;
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align-items: center;
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padding-right: 320px;
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height: 165px;
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}
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.page-header::before {
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content: '';
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position: absolute;
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top: 0;
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right: 0;
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width: 300px;
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height: 100%;
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background: url('/images/header-decoration.png') no-repeat center right;
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background-size: contain;
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opacity: 0.3;
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}
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.header-content {
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height: 40px;
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padding: 0 20px;
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position: relative;
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z-index: 1;
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border-right: 1px solid #D8D8D8;
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}
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/* 最后一个 */
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.header-content:last-child {
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border-right: none;
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}
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.page-title {
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font-size: 16px;
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margin: -10px 0 5px 0;
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text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
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}
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.page-subtitle {
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font-size: 24px;
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opacity: 0.9;
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margin-bottom: 35px;
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font-weight: 700;
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}
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.main-content {
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padding: 40px 0;
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}
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.container {
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max-width: 1420px;
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margin: 0 auto;
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padding: 0 0;
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box-sizing: border-box;
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}
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.text-wrapper_8 {
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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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margin-bottom: 20px;
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}
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.flex-row {
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flex-direction: row;
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}
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.sort-options {
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display: flex;
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justify-content: flex-end;
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}
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.text_24 {
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font-size: 24px;
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color: #333;
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margin-right: 0;
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}
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.text_25,
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.text_26 {
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margin-left: 30px;
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cursor: pointer;
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font-size: 14px;
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padding-bottom: 5px;
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position: relative;
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color: #666;
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}
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.text_25.active,
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.text_26.active {
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color: #1890ff;
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font-weight: 500;
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}
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.text_25.active::after,
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.text_26.active::after {
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content: '';
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position: absolute;
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bottom: 0;
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left: 0;
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width: 100%;
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height: 2px;
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background-color: #1890ff;
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}
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.text_25,
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.text_26 {
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color: #666;
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}
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.text_25:hover,
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.text_26:hover {
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color: #1890ff;
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}
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.sort-tab.active {
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color: #1890ff;
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border-bottom-color: #1890ff;
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font-weight: 500;
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}
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.courses-grid {
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display: grid;
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grid-template-columns: repeat(5, 1fr);
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gap: 20px;
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margin-bottom: 40px;
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width: 100%;
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box-sizing: border-box;
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}
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.course-card {
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background: white;
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border-radius: 2px;
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overflow: hidden;
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transition: transform 0.2s, box-shadow 0.2s;
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cursor: pointer;
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min-height: 350px;
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box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
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}
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.course-image {
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width: 100%;
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height: 200px;
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overflow: hidden;
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border-radius: 5px 5px 0 0;
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}
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.course-image 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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.course-info {
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padding: 16px;
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}
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.course-title {
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font-size: 16px;
|
||
font-weight: 500;
|
||
color: #333;
|
||
margin: 0 0 12px 0;
|
||
line-height: 1.4;
|
||
display: -webkit-box;
|
||
-webkit-line-clamp: 2;
|
||
line-clamp: 2;
|
||
-webkit-box-orient: vertical;
|
||
overflow: hidden;
|
||
}
|
||
|
||
.course-meta {
|
||
display: flex;
|
||
justify-content: left;
|
||
gap: 10px;
|
||
font-size: 12px;
|
||
color: #999;
|
||
margin-bottom: 16px;
|
||
}
|
||
|
||
.course-duration {
|
||
color: #666;
|
||
}
|
||
|
||
.course-price {
|
||
color: #ff4d4f;
|
||
font-weight: 500;
|
||
}
|
||
|
||
.course-stats {
|
||
display: flex;
|
||
align-items: center;
|
||
}
|
||
|
||
.course-students {
|
||
color: #999;
|
||
font-size: 14px;
|
||
}
|
||
|
||
.course-footer {
|
||
display: flex;
|
||
justify-content: space-between;
|
||
align-items: center;
|
||
}
|
||
|
||
.course-chapters,
|
||
.course-duration {
|
||
display: flex;
|
||
align-items: center;
|
||
font-size: 14px;
|
||
color: #666;
|
||
}
|
||
|
||
.meta-icon {
|
||
width: 16px;
|
||
height: 16px;
|
||
margin-right: 4px;
|
||
vertical-align: middle;
|
||
}
|
||
|
||
.course-teacher {
|
||
font-size: 12px;
|
||
color: #999;
|
||
margin-bottom: 12px;
|
||
}
|
||
|
||
.course-tags {
|
||
display: flex;
|
||
gap: 8px;
|
||
flex-wrap: wrap;
|
||
}
|
||
|
||
.course-tag {
|
||
background: transparent;
|
||
color: #999;
|
||
padding: 0;
|
||
border-radius: 0;
|
||
font-size: 12px;
|
||
white-space: nowrap;
|
||
}
|
||
|
||
.enroll-btn {
|
||
background: #0286D5;
|
||
color: white;
|
||
border: none;
|
||
padding: 6px 10px;
|
||
border-radius: 20px;
|
||
cursor: pointer;
|
||
font-size: 12px;
|
||
transition: background 0.2s;
|
||
white-space: nowrap;
|
||
}
|
||
|
||
.enroll-btn:hover {
|
||
background: #40a9ff;
|
||
}
|
||
|
||
.pagination {
|
||
display: flex;
|
||
justify-content: center;
|
||
align-items: center;
|
||
padding: 20px 0;
|
||
margin-top: 40px;
|
||
}
|
||
|
||
.pagination-info {
|
||
color: #666;
|
||
font-size: 14px;
|
||
margin-right: 20px;
|
||
}
|
||
|
||
.pagination-btn {
|
||
padding: 8px 12px;
|
||
border: 1px solid #d9d9d9;
|
||
background: white;
|
||
color: #666;
|
||
border-radius: 4px;
|
||
cursor: pointer;
|
||
font-size: 14px;
|
||
transition: all 0.2s;
|
||
min-width: 40px;
|
||
text-align: center;
|
||
margin: 0 6px;
|
||
}
|
||
|
||
.pagination-btn:hover {
|
||
border-color: #1890ff;
|
||
color: #1890ff;
|
||
}
|
||
|
||
.pagination-btn.active {
|
||
background: #1890ff;
|
||
border-color: #1890ff;
|
||
color: white;
|
||
}
|
||
|
||
/* 移除了 .pagination-btn.last 样式，因为现在尾页是文本链接 */
|
||
|
||
.pagination-btn:disabled {
|
||
background: #f5f5f5;
|
||
color: #ccc;
|
||
border-color: #e6e6e6;
|
||
cursor: not-allowed;
|
||
}
|
||
|
||
.pagination-btn:disabled:hover {
|
||
background: #f5f5f5;
|
||
color: #ccc;
|
||
border-color: #e6e6e6;
|
||
}
|
||
|
||
.pagination-link {
|
||
color: #666;
|
||
font-size: 14px;
|
||
cursor: pointer;
|
||
padding: 8px 12px;
|
||
margin: 0 6px;
|
||
transition: color 0.2s;
|
||
user-select: none;
|
||
}
|
||
|
||
.pagination-link:hover {
|
||
color: #1890ff;
|
||
}
|
||
|
||
.pagination-link.disabled {
|
||
color: #ccc;
|
||
cursor: not-allowed;
|
||
}
|
||
|
||
.pagination-link.disabled:hover {
|
||
color: #ccc;
|
||
}
|
||
|
||
.pagination-dots {
|
||
color: #999;
|
||
padding: 0 8px;
|
||
font-size: 14px;
|
||
margin: 0 6px;
|
||
}
|
||
|
||
.stats-grid {
|
||
display: flex;
|
||
align-items: center;
|
||
width: 100%;
|
||
margin: 0 auto;
|
||
padding: 0 247px;
|
||
}
|
||
|
||
.stat-item {
|
||
flex: 1;
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 20px;
|
||
padding: 0 45px 0 25px;
|
||
}
|
||
|
||
.stat-item:last-child {
|
||
border-right: none;
|
||
}
|
||
|
||
.stat-item:last-child {
|
||
border-right: none;
|
||
}
|
||
|
||
.line {
|
||
width: 1px;
|
||
height: 50px;
|
||
background: #D0E8F5;
|
||
}
|
||
|
||
.stat-icon {
|
||
flex-shrink: 0;
|
||
width: 74px;
|
||
height: 74px;
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
}
|
||
|
||
.stat-icon img {
|
||
width: 74px;
|
||
height: 74px;
|
||
object-fit: contain;
|
||
display: block;
|
||
}
|
||
|
||
.title-lecturer {
|
||
position: relative;
|
||
text-align: center;
|
||
}
|
||
|
||
.title-lecturer img {
|
||
position: absolute;
|
||
left: 50%;
|
||
top: -32%;
|
||
transform: translateX(-50%);
|
||
width: 128px;
|
||
height: 128px;
|
||
border-radius: 50%;
|
||
}
|
||
|
||
.title-lecturer h3 {
|
||
padding-top: 80px;
|
||
font-size: 24px;
|
||
font-weight: 600;
|
||
}
|
||
|
||
.title-lecturer p {
|
||
font-size: 14px;
|
||
color: #999;
|
||
margin-bottom: 20px;
|
||
}
|
||
|
||
.title-lecturer button {
|
||
width: 96px;
|
||
height: 40px;
|
||
background: #0088D1;
|
||
border: none;
|
||
border-radius: 5px;
|
||
font-size: 16px;
|
||
color: white;
|
||
}
|
||
|
||
.title-lecturer .disabled {
|
||
border: 1px solid #0088D1;
|
||
background-color: #E2F5FF;
|
||
color: #0088D1;
|
||
}
|
||
|
||
@media (max-width: 768px) {
|
||
.container {
|
||
margin: 0 20px;
|
||
}
|
||
}
|
||
|
||
@media (max-width: 480px) {
|
||
.courses-grid {
|
||
grid-template-columns: 1fr;
|
||
}
|
||
|
||
.container {
|
||
margin: 0 16px;
|
||
}
|
||
|
||
.filter-section {
|
||
padding: 16px;
|
||
}
|
||
}
|
||
</style>
|