188 lines
3.7 KiB
Vue
188 lines
3.7 KiB
Vue
<template>
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<view class="course-info">
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<!-- 课程封面 -->
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<view class="course-cover">
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<image
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:src="course.image || '/static/nobg.jpg'"
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mode="widthFix"
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class="cover-image"
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/>
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</view>
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<!-- 课程标题 -->
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<view class="course-title">
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<text class="title-text">{{ course.title }}</text>
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</view>
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<!-- 课程简介 -->
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<view v-if="course.content && course.content !== ''" class="course-content">
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<view class="content-wrapper">
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<view
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:class="['content-html', isCollapsed ? 'collapsed' : '']"
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v-html="parsedContent"
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/>
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<!-- 图片列表 -->
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<view v-if="images.length > 0" class="content-images">
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<image
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v-for="(img, index) in images"
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:key="index"
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:src="img"
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mode="widthFix"
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class="content-image"
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@click="previewImage(img, index)"
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/>
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</view>
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<!-- 展开/收起按钮 -->
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<view class="toggle-btn" @click="toggleContent">
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<text>{{ isCollapsed ? '展开' : '收起' }}</text>
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</view>
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</view>
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</view>
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</view>
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</template>
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<script setup lang="ts">
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import { ref, watch } from 'vue'
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import type { ICourseDetail } from '@/types/course'
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interface Props {
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course: ICourseDetail
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}
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const props = defineProps<Props>()
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const isCollapsed = ref(true)
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const parsedContent = ref('')
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const images = ref<string[]>([])
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/**
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* 解析课程内容，分离文本和图片
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*/
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const parseContent = () => {
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if (!props.course.content) {
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parsedContent.value = ''
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images.value = []
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return
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}
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// 提取图片URL
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const imgRegex = /<img[^>]+src="([^"]+)"[^>]*>/g
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const imgUrls: string[] = []
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let match
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while ((match = imgRegex.exec(props.course.content)) !== null) {
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imgUrls.push(match[1])
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}
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// 移除图片标签，保留文本内容
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const cleanText = props.course.content.replace(/<img[^>]*>/g, '')
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parsedContent.value = cleanText
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images.value = imgUrls
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}
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/**
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* 切换展开/收起
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*/
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const toggleContent = () => {
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isCollapsed.value = !isCollapsed.value
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}
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/**
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* 预览图片
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*/
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const previewImage = (current: string, index: number) => {
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uni.previewImage({
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current,
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urls: images.value,
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currentIndex: index
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})
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}
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// 监听课程变化，重新解析内容
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watch(() => props.course, () => {
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parseContent()
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}, { immediate: true, deep: true })
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</script>
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<style lang="scss" scoped>
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.course-info {
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background-color: #fff;
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}
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.course-cover {
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width: 100%;
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.cover-image {
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width: 100%;
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display: block;
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}
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}
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.course-title {
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padding: 30rpx 20rpx;
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.title-text {
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font-size: 36rpx;
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font-weight: bold;
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color: #333;
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line-height: 1.4;
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}
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}
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.course-content {
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padding: 0 20rpx 20rpx;
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.content-wrapper {
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position: relative;
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.content-html {
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font-size: 28rpx;
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line-height: 1.8;
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color: #666;
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text-align: justify;
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word-break: break-all;
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&.collapsed {
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max-height: 200rpx;
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overflow: hidden;
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position: relative;
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&::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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right: 0;
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height: 60rpx;
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background: linear-gradient(to bottom, transparent, #fff);
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}
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}
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}
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.content-images {
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margin-top: 20rpx;
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.content-image {
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width: 100%;
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display: block;
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margin-bottom: 20rpx;
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border-radius: 8rpx;
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}
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}
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.toggle-btn {
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text-align: right;
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padding: 20rpx 0 0;
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text {
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color: #838588;
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font-size: 26rpx;
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}
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}
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}
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}
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</style>
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