四零语境前端代码仓库
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<template>
<view class="book-container">
<!-- 自定义顶部导航栏 -->
<uv-status-bar></uv-status-bar>
<view class="custom-navbar" :class="{ 'navbar-hidden': !showNavbar }">
<uv-status-bar></uv-status-bar>
<view class="navbar-content">
<view class="navbar-left" @click="goBack">
<uv-icon name="arrow-left" size="20" color="#262626"></uv-icon>
</view>
<view class="navbar-title">{{ currentPageTitle }}</view>
</view>
</view>
<!-- Swiper内容区域 -->
<swiper
class="content-swiper"
:current="currentPage - 1"
:disable-touch="isAudioLoading"
@change="onSwiperChange"
>
<swiper-item
v-for="(page, index) in bookPages"
:key="index"
class="swiper-item"
>
<view class="content-area" @click="toggleNavbar">
<!-- 图片卡片页面 -->
<view v-for="(item, index) in page" :key="index">
<view v-if="item.type === 'card'" class="card-content">
<view class="card-line">
<image src="/static/划重点图标.png" class="card-line-image" mode="aspectFill" />
<text class="card-line-text">划线重点</text>
</view>
<image class="card-image" :src="item.image" mode="aspectFill"></image>
<text class="english-text" user-select @longpress="showWordMeaning(item.wordMeaning)">{{ item.englishText }}</text>
<text class="chinese-text" user-select>{{ item.chineseText }}</text>
</view>
<!-- 文本页面 -->
<view v-else-if="item.type === 'text'" class="text-content" >
<view :class="{ 'text-highlight': isTextHighlighted(page, index) }">
<text
class="content-text"
user-select
>
{{ item.content }}
</text>
</view>
</view>
<!-- 文本页面 -->
<view v-else-if="item.type === 'image'" class="image-container">
<image class="content-image" :src="item.imageUrl" mode="aspectFill"></image>
</view>
<!-- 视频页面 -->
<view v-else-if="item.type === 'video'" class="video-content">
<video :src="item.video" class="video-player" controls :poster="item.poster"></video>
</view>
<!-- 会员限制页面 -->
<view v-else-if="item.type === 'member'" class="member-content">
<text class="member-title">{{ item.title }}</text>
<view class="member-button" @click="unlockBook">
<text class="member-button-text">{{ item.buttonText }}</text>
</view>
</view>
</view>
</view>
</swiper-item>
</swiper>
<!-- 自定义底部控制栏 -->
<view class="custom-tabbar" :class="{ 'tabbar-hidden': !showNavbar }">
<!-- 音频控制栏 -->
<!-- 获取音频按钮 -->
<view v-if="!hasAudioData && !isAudioLoading && isTextPage" class="audio-get-button-container">
<view class="get-audio-btn" @click="handleGetAudio">
<uv-icon name="play-circle" size="24" color="#06DADC"></uv-icon>
<text class="get-audio-text">获取第{{currentPage}}页音频</text>
</view>
</view>
<!-- 音频加载状态 -->
<view v-else-if="isAudioLoading && isTextPage" class="audio-loading-container">
<uv-loading-icon mode="spinner" size="30" color="#06DADC"></uv-loading-icon>
<text class="loading-text">正在加载第{{currentPage}}页音频...</text>
</view>
<!-- 正常音频控制栏 -->
<view v-else-if="hasAudioData" class="audio-controls" :class="{ 'audio-hidden': !isTextPage }">
<view class="audio-time">
<text class="time-text">{{ formatTime(currentTime) }}</text>
<view class="progress-container">
<view class="progress-bar">
<view class="progress-fill" :style="{ width: progressPercent + '%' }"></view>
<view class="progress-thumb" :style="{ left: progressPercent + '%' }"></view>
</view>
</view>
<text class="time-text">{{ formatTime(totalTime) }}</text>
</view>
<view class="audio-controls-row">
<view class="control-btn" @click="toggleLoop">
<uv-icon name="reload" size="20" :color="isLoop ? '#06DADC' : '#999'"></uv-icon>
<text class="control-text">循环</text>
</view>
<view class="control-btn" @click="previousPage">
<text class="control-text">上一页</text>
</view>
<view class="play-btn" @click="togglePlay">
<uv-icon :name="isPlaying ? 'pause-circle-fill' : 'play-circle-fill'" size="40" color="#666"></uv-icon>
</view>
<view class="control-btn" @click="nextPage">
<text class="control-text">下一页</text>
</view>
<view class="control-btn" @click="toggleSpeed">
<text class="control-text">{{ playSpeed }}x</text>
</view>
</view>
</view>
<view style="background-color: #fff;position: relative;z-index: 100" >
<view class="tabbar-content">
<view class="tabbar-left">
<view class="tab-button" @click="toggleCoursePopup">
<image src="/static/课程图标.png" class="tab-icon" />
<text class="tab-text">课程</text>
</view>
<view class="tab-button" @click="toggleSound">
<image src="/static/音色切换图标.png" class="tab-icon" />
<text class="tab-text">音色切换</text>
</view>
</view>
<view class="tabbar-right">
<view class="page-controls">
<view class="page-numbers">
<view
v-for="(page, index) in bookPages"
:key="index"
class="page-number"
:class="{ 'active': (index + 1) === currentPage }"
@click="goToPage(index + 1)"
>
{{ index + 1 }}
</view>
</view>
</view>
</view>
</view>
<uv-safe-bottom></uv-safe-bottom>
</view>
</view>
<!-- 课程选择弹出窗 -->
<uv-popup
mode="bottom"
ref="coursePopup"
round="32rpx"
bg-color="#f8f8f8"
>
<view class="course-popup">
<view class="popup-header">
<view>
<uv-icon name="arrow-down" color="black" size="20"></uv-icon>
</view>
<view class="popup-title">课程</view>
<view class="popup-title" @click="toggleSort">
倒序
</view>
</view>
<view class="course-list">
<view
v-for="(course, index) in displayCourseList"
:key="course.id"
class="course-item"
:class="{ 'active': course.id === currentCourse }"
@click="selectCourse(course.id)"
>
<view class="course-number " :class="{ 'highlight': course.id === currentCourse }">{{ String(course.index).padStart(2, '0') }}</view>
<view class="course-content">
<view class="course-english" :class="{ 'highlight': course.id === currentCourse }">{{ course.english }}</view>
<view class="course-chinese" :class="{ 'highlight': course.id === currentCourse }">{{ course.chinese }}</view>
</view>
</view>
</view>
</view>
</uv-popup>
<!-- 释义弹出窗 -->
<uv-popup
mode="bottom"
ref="meaningPopup"
round="32rpx"
bg-color="#FFFFFF"
:overlay="true"
>
<view class="meaning-popup" v-if="currentWordMeaning">
<view class="meaning-header">
<view class="close-btn" @click="closeMeaningPopup">
<text class="close-text">关闭</text>
</view>
<view class="meaning-title">释义</view>
<view style="width: 80rpx;"></view>
</view>
<view class="meaning-content">
<image class="meaning-image" src="/static/默认图片.png" mode="aspectFill"></image>
<view class="word-info">
<view class="word-main">
<text class="word-text">{{ currentWordMeaning.word }}</text>
</view>
<view class="phonetic-container">
<uv-icon name="volume-fill" size="16" color="#000"></uv-icon>
<text class="phonetic-text">{{ currentWordMeaning.phonetic }}</text>
</view>
<view class="word-meaning">
<text class="part-of-speech">{{ currentWordMeaning.partOfSpeech }}</text>
<text class="meaning-text">{{ currentWordMeaning.meaning }}</text>
</view>
</view>
<view class="knowledge-gain">
<view class="knowledge-header">
<image src="/static/知识收获图标.png" class="knowledge-icon" mode="aspectFill" />
<text class="knowledge-title">知识收获</text>
</view>
<text class="knowledge-content">{{ currentWordMeaning.knowledgeGain }}</text>
</view>
</view>
</view>
</uv-popup>
</view>
</template>
<script>
export default {
data() {
return {
voiceId: '',
courseId: '',
showNavbar: true,
currentPage: 1,
currentCourse: 1, // 当前课程索引
currentWordMeaning: null, // 当前显示的单词释义
isReversed: false, // 是否倒序显示
// 音频控制相关数据
isPlaying: false,
currentTime: 0,
totalTime: 0,
isLoop: false,
playSpeed: 1.0,
speedOptions: [1.0, 1.25, 1.5, 2.0],
// 音频数组管理
currentPageAudios: [], // 当前页面的音频数组
currentAudioIndex: 0, // 当前播放的音频索引
audioContext: null, // 音频上下文
currentAudio: null, // 当前音频实例
// 音频缓存管理
audioCache: {}, // 页面音频缓存 {pageIndex: {audios: [], totalDuration: 0}}
// 音频加载状态
isAudioLoading: false, // 音频是否正在加载
hasAudioData: false, // 当前页面是否已有音频数据
// 文本高亮相关
currentHighlightIndex: -1, // 当前高亮的文本索引
courseIdList: [],
bookTitle: '',
courseList: [
],
// 二维数组 代表每个页面
bookPages: [
],
// 存储每个页面的标题
pageTitles: [],
}
},
computed: {
displayCourseList() {
return this.isReversed ? [...this.courseList].reverse() : this.courseList;
},
// 判断当前页面是否为文字类型
isTextPage() {
const currentPageData = this.bookPages[this.currentPage - 1];
// currentPageData是一个数组 其中的一个元素的type是text就会返回true
return currentPageData && currentPageData.some(item => item.type === 'text');
},
// 计算音频播放进度百分比
progressPercent() {
return this.totalTime > 0 ? (this.currentTime / this.totalTime) * 100 : 0;
},
// 动态页面标题
currentPageTitle() {
return this.pageTitles[this.currentPage - 1] || this.bookTitle;
}
},
methods: {
// 获取当前页面的音频内容
async getCurrentPageAudio() {
// 检查缓存中是否已有当前页面的音频数据
const cacheKey = `${this.courseId}_${this.currentPage}`;
if (this.audioCache[cacheKey]) {
console.log('从缓存加载音频数据:', cacheKey);
// 从缓存加载音频数据
this.currentPageAudios = this.audioCache[cacheKey].audios;
this.totalTime = this.audioCache[cacheKey].totalDuration;
this.currentAudioIndex = 0;
this.isPlaying = false;
this.currentTime = 0;
return;
}
// 开始加载状态
this.isAudioLoading = true;
// 清空当前页面音频数组
this.currentPageAudios = [];
this.currentAudioIndex = 0;
this.isPlaying = false;
this.currentTime = 0;
this.totalTime = 0;
// 对着当前页面的每一个[]元素进行切割 如果是文本text类型则进行音频请求
const currentPageData = this.bookPages[this.currentPage - 1];
if (currentPageData) {
// 收集所有text类型的元素
const textItems = currentPageData.filter(item => item.type === 'text');
if (textItems.length > 0) {
// 并行发送所有音频请求
const audioPromises = textItems.map(async (item, index) => {
try {
// 进行音频请求 - 修正字段名:使用content而不是text
const radioRes = await this.$api.music.textToVoice({
text: item.content,
voiceId: this.voiceId,
});
console.log(`音频请求响应 ${index + 1}:`, radioRes);
if(radioRes.code === 200){
// API返回的是Base64编码的WAV音频数据,在uniapp环境中需要特殊处理
const base64Data = radioRes.result;
// 在uniapp中,可以直接使用base64数据作为音频源
const audioUrl = `data:audio/wav;base64,${base64Data}`;
// 同时保存到原始数据中以保持兼容性
item.audioUrl = audioUrl;
console.log(`音频URL设置成功 ${index + 1}:`, audioUrl);
return {
url: audioUrl,
text: item.content,
duration: 0, // 音频时长,需要在加载后获取
index: index // 保持原始顺序
};
} else {
console.error(`音频请求失败 ${index + 1}:`, radioRes);
return null;
}
} catch (error) {
console.error(`音频请求异常 ${index + 1}:`, error);
return null;
}
});
// 等待所有音频请求完成
const audioResults = await Promise.all(audioPromises);
// 按原始顺序添加到音频数组中,过滤掉失败的请求
this.currentPageAudios = audioResults
.filter(result => result !== null)
.sort((a, b) => a.index - b.index)
.map(result => ({
url: result.url,
text: result.text,
duration: result.duration
}));
console.log('所有音频请求完成,共获取', this.currentPageAudios.length, '个音频');
}
// 如果有音频,计算总时长
if (this.currentPageAudios.length > 0) {
await this.calculateTotalDuration();
// 将音频数据保存到缓存中
const cacheKey = `${this.courseId}_${this.currentPage}`;
this.audioCache[cacheKey] = {
audios: [...this.currentPageAudios], // 深拷贝音频数组
totalDuration: this.totalTime
};
console.log('音频数据已缓存:', cacheKey, this.audioCache[cacheKey]);
// 限制缓存大小
this.limitCacheSize(10);
}
}
// 结束加载状态
this.isAudioLoading = false;
// 设置音频数据状态
this.hasAudioData = this.currentPageAudios.length > 0;
},
// 重置音频状态
resetAudioState() {
// 检查当前页面是否已有缓存的音频数据
const pageKey = `${this.courseId}_${this.currentPage}`;
const cachedAudio = this.audioCache[pageKey];
if (cachedAudio && cachedAudio.audios && cachedAudio.audios.length > 0) {
// 如果有缓存的音频数据,恢复音频状态
this.currentPageAudios = cachedAudio.audios;
this.totalTime = cachedAudio.totalDuration || 0;
this.hasAudioData = true;
} else {
// 如果没有缓存的音频数据,重置为初始状态
this.currentPageAudios = [];
this.totalTime = 0;
this.hasAudioData = false;
}
// 重置播放状态
this.currentAudioIndex = 0;
this.isPlaying = false;
this.currentTime = 0;
this.isAudioLoading = false;
this.currentHighlightIndex = -1;
},
// 手动获取音频
async handleGetAudio() {
// 检查是否有音色ID
if (!this.voiceId) {
uni.showToast({
title: '音色未加载,请稍后重试',
icon: 'none'
});
return;
}
// 检查当前页面是否有文本内容
if (!this.isTextPage) {
uni.showToast({
title: '当前页面没有文本内容',
icon: 'none'
});
return;
}
// 检查是否正在加载
if (this.isAudioLoading) {
return;
}
// 调用获取音频方法
await this.getCurrentPageAudio();
},
// 获取音色列表 拿第一个做默认的音色id
async getVoiceList() {
const voiceRes = await this.$api.music.list()
if(voiceRes.code === 200){
this.voiceId = voiceRes.result[0].id
console.log('获取默认音色ID:', this.voiceId);
}
},
toggleNavbar() {
this.showNavbar = !this.showNavbar
},
goBack() {
uni.navigateBack()
},
toggleCoursePopup() {
if (this.$refs.coursePopup) {
this.$refs.coursePopup.open()
}
// console.log('123123123');
},
toggleSort() {
this.isReversed = !this.isReversed
},
selectCourse(courseId) {
this.currentCourse = courseId
if (this.$refs.coursePopup) {
this.$refs.coursePopup.close()
}
// 这里可以添加切换课程的逻辑
// console.log('选择课程:', courseId)
this.getCourseList(courseId)
},
showWordMeaning(wordMeaning) {
if (wordMeaning) {
this.currentWordMeaning = wordMeaning
if (this.$refs.meaningPopup) {
this.$refs.meaningPopup.open()
}
}
},
closeMeaningPopup() {
if (this.$refs.meaningPopup) {
this.$refs.meaningPopup.close()
}
this.currentWordMeaning = null
},
// 计算音频总时长
async calculateTotalDuration() {
let totalDuration = 0;
for (let i = 0; i < this.currentPageAudios.length; i++) {
const audio = this.currentPageAudios[i];
try {
const duration = await this.getAudioDuration(audio.url);
audio.duration = duration;
totalDuration += duration;
} catch (error) {
console.error('获取音频时长失败:', error);
// 如果无法获取时长,估算一个默认值(假设每100字符约5秒)
const estimatedDuration = Math.max(5, audio.text.length / 20);
audio.duration = estimatedDuration;
totalDuration += estimatedDuration;
}
}
this.totalTime = totalDuration;
console.log('音频总时长:', totalDuration, '秒');
},
// 获取音频时长
getAudioDuration(audioUrl) {
return new Promise((resolve, reject) => {
const audio = uni.createInnerAudioContext();
audio.src = audioUrl;
audio.onCanplay(() => {
resolve(audio.duration || 5); // 如果无法获取时长,默认5秒
audio.destroy();
});
audio.onError((error) => {
console.error('音频加载失败:', error);
reject(error);
audio.destroy();
});
// 设置超时
setTimeout(() => {
reject(new Error('获取音频时长超时'));
audio.destroy();
}, 3000);
});
},
// 音频控制方法
togglePlay() {
if (this.currentPageAudios.length === 0) {
uni.showToast({
title: '当前页面没有音频内容',
icon: 'none'
});
return;
}
if (this.isPlaying) {
this.pauseAudio();
} else {
this.playAudio();
}
},
// 播放音频
playAudio() {
if (this.currentPageAudios.length === 0) return;
// 如果没有当前音频实例或者需要切换音频
if (!this.currentAudio || this.currentAudio.src !== this.currentPageAudios[this.currentAudioIndex].url) {
this.createAudioInstance();
}
this.currentAudio.play();
this.isPlaying = true;
// 更新高亮状态
this.updateHighlightIndex();
},
// 暂停音频
pauseAudio() {
if (this.currentAudio) {
this.currentAudio.pause();
}
this.isPlaying = false;
// 暂停时清除高亮
this.currentHighlightIndex = -1;
},
// 创建音频实例
createAudioInstance() {
// 销毁之前的音频实例
if (this.currentAudio) {
this.currentAudio.destroy();
}
const audio = uni.createInnerAudioContext();
audio.src = this.currentPageAudios[this.currentAudioIndex].url;
audio.playbackRate = this.playSpeed;
// 音频事件监听
audio.onPlay(() => {
console.log('音频开始播放');
this.isPlaying = true;
});
audio.onPause(() => {
console.log('音频暂停');
this.isPlaying = false;
});
audio.onTimeUpdate(() => {
this.updateCurrentTime();
});
audio.onEnded(() => {
console.log('当前音频播放结束');
this.onAudioEnded();
});
audio.onError((error) => {
console.error('音频播放错误:', error);
this.isPlaying = false;
uni.showToast({
title: '音频播放失败',
icon: 'none'
});
});
this.currentAudio = audio;
},
// 更新当前播放时间
updateCurrentTime() {
if (!this.currentAudio) return;
let totalTime = 0;
// 计算之前音频的总时长
for (let i = 0; i < this.currentAudioIndex; i++) {
totalTime += this.currentPageAudios[i].duration;
}
// 加上当前音频的播放时间
totalTime += this.currentAudio.currentTime;
this.currentTime = totalTime;
// 更新当前高亮的文本索引
this.updateHighlightIndex();
},
// 更新高亮文本索引
updateHighlightIndex() {
if (!this.isPlaying || this.currentPageAudios.length === 0) {
this.currentHighlightIndex = -1;
return;
}
// 根据当前播放的音频索引设置高亮
this.currentHighlightIndex = this.currentAudioIndex;
console.log('更新高亮索引:', this.currentHighlightIndex, '当前音频索引:', this.currentAudioIndex);
},
// 判断当前文本是否应该高亮
isTextHighlighted(page, index) {
// 只有当前页面且是文本类型才可能高亮
if (page !== this.bookPages[this.currentPage - 1]) return false;
// 计算当前页面中text类型元素的索引
let textIndex = 0;
for (let i = 0; i <= index; i++) {
if (page[i].type === 'text') {
if (i === index) {
const shouldHighlight = textIndex === this.currentHighlightIndex;
if (shouldHighlight) {
console.log('高亮文本:', textIndex, '当前高亮索引:', this.currentHighlightIndex);
}
return shouldHighlight;
}
textIndex++;
}
}
return false;
},
// 音频播放结束处理
onAudioEnded() {
if (this.currentAudioIndex < this.currentPageAudios.length - 1) {
// 播放下一个音频
this.currentAudioIndex++;
this.playAudio();
} else {
// 所有音频播放完毕
if (this.isLoop) {
// 循环播放
this.currentAudioIndex = 0;
this.playAudio();
} else {
// 停止播放
this.isPlaying = false;
this.currentTime = this.totalTime;
this.currentHighlightIndex = -1;
}
}
},
toggleLoop() {
this.isLoop = !this.isLoop;
},
toggleSpeed() {
const currentIndex = this.speedOptions.indexOf(this.playSpeed);
const nextIndex = (currentIndex + 1) % this.speedOptions.length;
this.playSpeed = this.speedOptions[nextIndex];
// 如果当前有音频在播放,更新播放速度
if (this.currentAudio) {
this.currentAudio.playbackRate = this.playSpeed;
}
},
// 上一个音频
previousAudio() {
// 如果正在加载音频,禁止切换
if (this.isAudioLoading) {
return;
}
if (this.currentPageAudios.length === 0) return;
if (this.currentAudioIndex > 0) {
this.currentAudioIndex--;
if (this.isPlaying) {
this.playAudio();
}
}
},
// 下一个音频
nextAudio() {
// 如果正在加载音频,禁止切换
if (this.isAudioLoading) {
return;
}
if (this.currentPageAudios.length === 0) return;
if (this.currentAudioIndex < this.currentPageAudios.length - 1) {
this.currentAudioIndex++;
if (this.isPlaying) {
this.playAudio();
}
}
},
async previousPage() {
// 如果正在加载音频,禁止翻页
if (this.isAudioLoading) {
return;
}
if (this.currentPage > 1) {
// 停止当前音频播放
this.pauseAudio();
this.currentPage--;
// 获取对应页面的数据(如果还没有获取过)
if (this.courseIdList[this.currentPage - 1] && this.bookPages[this.currentPage - 1].length === 0) {
await this.getBookPages(this.courseIdList[this.currentPage - 1]);
}
// 清空当前音频状态
this.resetAudioState();
}
},
async nextPage() {
// 如果正在加载音频,禁止翻页
if (this.isAudioLoading) {
return;
}
if (this.currentPage < this.bookPages.length) {
// 停止当前音频播放
this.pauseAudio();
this.currentPage++;
// 获取对应页面的数据(如果还没有获取过)
if (this.courseIdList[this.currentPage - 1] && this.bookPages[this.currentPage - 1].length === 0) {
await this.getBookPages(this.courseIdList[this.currentPage - 1]);
}
// 清空当前音频状态
this.resetAudioState();
}
},
formatTime(seconds) {
const mins = Math.floor(seconds / 60);
const secs = Math.floor(seconds % 60);
return `${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`;
},
toggleSound() {
console.log('音色切换')
uni.navigateTo({
url: '/subPages/home/music?voiceId=' + this.voiceId
})
},
unlockBook() {
console.log('解锁全书')
// 这里可以跳转到会员页面或者调用解锁接口
uni.navigateTo({
url: '/pages/index/member'
})
},
async goToPage(page) {
// 如果正在加载音频,禁止翻页
if (this.isAudioLoading) {
return;
}
// 停止当前音频播放
this.pauseAudio();
this.currentPage = page
console.log('跳转到页面:', page)
// 获取对应页面的数据(如果还没有获取过)
if (this.courseIdList[this.currentPage - 1] && this.bookPages[this.currentPage - 1].length === 0) {
await this.getBookPages(this.courseIdList[this.currentPage - 1]);
}
// 清空当前音频状态
this.resetAudioState();
},
async onSwiperChange(e) {
// 如果正在加载音频,禁止翻页
if (this.isAudioLoading) {
return;
}
// 停止当前音频播放
this.pauseAudio();
this.currentPage = e.detail.current + 1
// 获取对应页面的数据(如果还没有获取过)
if (this.courseIdList[this.currentPage - 1] && this.bookPages[this.currentPage - 1].length === 0) {
await this.getBookPages(this.courseIdList[this.currentPage - 1]);
}
// 清空当前音频状态
this.resetAudioState();
},
async getCourseList(id) {
const res = await this.$api.book.coursePage({
id: id
})
if (res.code === 200) {
this.courseIdList = res.result.map(item => item.id)
// 初始化二维数组 换一种方式
this.bookPages = this.courseIdList.map(() => [])
// 初始化标题数组
this.pageTitles = this.courseIdList.map(() => '')
// 重置音频状态
this.resetAudioState()
// 初始化第一页
if (this.courseIdList.length > 0) {
await this.getBookPages(this.courseIdList[0])
}
}
},
async getBookPages(id) {
const res = await this.$api.book.coursesPageDetail({
id: id
})
if (res.code === 200) {
// 使用$set确保响应式更新
// 确保当前页面存在
if (this.currentPage - 1 < this.bookPages.length) {
this.$set(this.bookPages, this.currentPage - 1, JSON.parse(res.result.content))
// 保存页面标题
this.$set(this.pageTitles, this.currentPage - 1, res.result.title || '')
}
}
},
// 获取课程列表
async getCoursePageList (bookId) {
const res = await this.$api.book.course({
id: bookId
})
if (res.code === 200) {
this.courseList = res.result.records
// 打上序列号
this.courseList = this.courseList.map((item, index) => ({
...item,
index,
}))
}
},
// 清理音频缓存
clearAudioCache() {
this.audioCache = {};
console.log('音频缓存已清理');
},
// 限制缓存大小,保留最近访问的页面
limitCacheSize(maxSize = 10) {
const cacheKeys = Object.keys(this.audioCache);
if (cacheKeys.length > maxSize) {
// 删除最旧的缓存项
const keysToDelete = cacheKeys.slice(0, cacheKeys.length - maxSize);
keysToDelete.forEach(key => {
delete this.audioCache[key];
});
console.log('缓存大小已限制,删除了', keysToDelete.length, '个缓存项');
}
}
},
async onLoad(args) {
uni.$on('selectVoice', (voiceId) => {
// console.log('收到音色选择:', voiceId);
this.voiceId = voiceId
})
this.courseId = args.courseId
// 重置音频状态
this.resetAudioState()
// 先获取点进来的课程的页面列表
await Promise.all([this.getCourseList(this.courseId), this.getCoursePageList(args.bookId)])
await this.getVoiceList()
},
// 页面卸载时清理音频资源
onUnload() {
uni.$off('selectVoice')
if (this.currentAudio) {
this.currentAudio.destroy();
this.currentAudio = null;
}
this.isPlaying = false;
// 清理音频缓存
this.clearAudioCache();
},
// 页面隐藏时暂停音频
onHide() {
this.pauseAudio();
}
}
</script>
<style lang="scss" scoped>
.book-container {
width: 100%;
height: 100vh;
background-color: #F8F8F8;
position: relative;
overflow: hidden;
}
.custom-navbar {
position: fixed;
top: 0;
left: 0;
right: 0;
background-color: #F8F8F8;
z-index: 1000;
transition: transform 0.3s ease;
&.navbar-hidden {
transform: translateY(-100%);
}
}
.navbar-content {
display: flex;
align-items: center;
justify-content: space-between;
padding: 20rpx 32rpx;
// padding-top: calc(20rpx + var(--status-bar-height, 0));
height: 60rpx;
}
.navbar-left,
.navbar-right {
width: 80rpx;
display: flex;
align-items: center;
}
.navbar-right {
justify-content: flex-end;
flex: 1;
}
.navbar-title {
transform: translateX(-50rpx);
flex: 1;
text-align: center;
font-family: PingFang SC;
font-weight: 500;
font-size: 32rpx;
color: #262626;
line-height: 48rpx;
}
.content-swiper {
flex: 1;
height: calc(100vh - 100rpx);
// margin-top: 100rpx;
margin-bottom: 100rpx;
}
.swiper-item {
height: 100%;
}
.content-area {
flex: 1;
padding: 0 40rpx;
padding-top: 100rpx;
// background: linear-gradient(180deg, #DEFFFF 0%, #FBFEFF 22.65%, #F0FBFF 100%);
height: 100%;
box-sizing: border-box;
overflow-y: auto;
}
.card-content {
background: linear-gradient(180deg, #DEFFFF 0%, #FBFEFF 22.65%, #F0FBFF 100%);
display: flex;
flex-direction: column;
gap: 32rpx;
height: 1172rpx;
margin-top: 20rpx;
border-radius: 32rpx;
// height: 100%;
padding: 40rpx;
// margin: 0
border: 1px solid #FFFFFF;
box-sizing: border-box;
.card-line {
display: flex;
align-items: center;
// margin-bottom: 20rpx;
}
.card-line-image {
width: 48rpx;
height: 48rpx;
margin-right: 16rpx;
}
.card-line-text {
font-family: PingFang SC;
font-weight: 600;
font-size: 30rpx;
line-height: 48rpx;
color: #3B3D3D;
}
.card-image {
width: 590rpx;
height: 268rpx;
border-radius: 24rpx;
// margin-bottom: 20rpx;
}
.english-text {
display: block;
font-family: PingFang SC;
font-weight: 600;
font-size: 32rpx;
line-height: 48rpx;
color: #3B3D3D;
// margin-bottom: 16rpx;
}
.chinese-text {
display: block;
font-family: PingFang SC;
font-weight: 400;
font-size: 28rpx;
line-height: 48rpx;
color: #4F4F4F;
}
}
/* 会员限制页面样式 */
.member-content {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
height: 90%;
background-color: #F8F8F8;
padding: 40rpx;
margin: -40rpx;
box-sizing: border-box;
}
.member-title {
font-family: PingFang SC;
font-weight: 500;
font-size: 40rpx;
line-height: 1;
color: #6f6f6f;
text-align: center;
margin-bottom: 48rpx;
}
.member-button {
width: 670rpx;
height: 72rpx;
background: #06DADC;
border-radius: 200rpx;
display: flex;
align-items: center;
justify-content: center;
}
.member-button-text {
font-family: PingFang SC;
font-weight: 400;
font-size: 30rpx;
color: #FFFFFF;
}
.video-content {
width: 100vw;
margin: 200rpx -40rpx 0;
height: 500rpx;
background-color: #FFFFFF;
// padding: 40rpx;
border-radius: 24rpx;
display: flex;
align-items: center;
justify-content: center;
.video-player{
width: 670rpx;
margin: 0 auto;
height: 376rpx;
}
}
.text-content {
width: 100vw;
background-color: #F6F6F6;
height: 100%;
padding: 40rpx;
margin: -40rpx;
box-sizing: border-box;
}
.content-text {
font-family: PingFang SC;
// font-weight: 400;
font-size: 28rpx;
color: #3B3D3D;
line-height: 48rpx;
letter-spacing: 0;
text-align: justify;
word-break: break-all;
transition: all 0.3s ease;
}
.text-highlight {
background-color: $primary-color;
// color: #fff;
// padding: 8rpx 16rpx;
// border-radius: 8rpx;
// box-shadow: 0 2rpx 8rpx rgba(6, 218, 220, 0.3);
}
.custom-tabbar {
position: fixed;
bottom: 0;
left: 0;
right: 0;
// background-color: #fff;
border-top: 1rpx solid #EEEEEE;
z-index: 1000;
transition: transform 0.3s ease;
&.tabbar-hidden {
transform: translateY(100%);
}
}
.tabbar-content {
display: flex;
align-items: center;
justify-content: space-between;
padding: 24rpx 62rpx;
// z-index: 100;
// position: relative;
// background-color: #fff;
// padding-bottom: calc(24rpx + env(safe-area-inset-bottom));
height: 88rpx;
}
.tabbar-left {
display: flex;
align-items: center;
gap: 35rpx;
}
.tab-button {
display: flex;
align-items: center;
flex-direction: column;
gap: 8rpx;
}
.tab-icon {
width: 52rpx;
height: 52rpx;
}
.tab-text {
font-family: PingFang SC;
// font-weight: 400;
font-size: 22rpx;
color: #999;
line-height: 24rpx;
}
.tabbar-right {
flex: 1;
display: flex;
justify-content: flex-end;
}
.page-controls {
display: flex;
align-items: center;
}
.page-numbers {
display: flex;
align-items: center;
gap: 8rpx;
overflow-x: auto;
max-width: 400rpx;
&::-webkit-scrollbar {
display: none;
}
}
.page-number {
min-width: 84rpx;
height: 58rpx;
display: flex;
align-items: center;
justify-content: center;
border-radius: 100rpx;
font-family: PingFang SC;
// font-weight: 400;
font-size: 30rpx;
color: #3B3D3D;
background-color: transparent;
border: 1px solid #3B3D3D;
transition: all 0.3s ease;
&.active {
border: 1px solid $primary-color;
color: $primary-color;
}
}
/* 课程弹出窗样式 */
.course-popup {
padding: 0 32rpx;
max-height: 80vh;
}
.popup-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 20rpx 0;
border-bottom: 2rpx solid #EEEEEE
// margin-bottom: 40rpx;
}
.popup-title {
font-family: PingFang SC;
font-weight: 500;
font-size: 34rpx;
color: #181818;
}
.course-list {
max-height: 60vh;
overflow-y: auto;
}
.course-item {
display: flex;
align-items: center;
gap: 24rpx;
padding-top: 24rpx;
padding-right: 8rpx;
padding-bottom: 24rpx;
padding-left: 8rpx;
border-bottom: 1px solid #EEEEEE;
cursor: pointer;
&:last-child {
border-bottom: none;
}
}
.course-number {
width: 80rpx;
font-family: PingFang SC;
// font-weight: 400;
font-size: 36rpx;
color: #999;
&.highlight {
color: $primary-color;
}
// margin-right: 24rpx;
}
.course-content {
flex: 1;
}
.course-english {
font-family: PingFang SC;
font-weight: 600;
font-size: 36rpx;
line-height: 44rpx;
color: #252545;
margin-bottom: 8rpx;
&.highlight {
color: $primary-color;
}
}
.course-chinese {
font-size: 28rpx;
line-height: 48rpx;
color: #3B3D3D;
&.highlight {
color: $primary-color;
}
}
/* 释义弹窗样式 */
.meaning-popup {
// width: 670rpx;
background-color: #FFFFFF;
// border-radius: 32rpx;
overflow: hidden;
}
.meaning-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 32rpx;
border-bottom: 2rpx solid #EEEEEE;
}
.close-btn {
width: 80rpx;
}
.close-text {
font-family: PingFang SC;
font-size: 32rpx;
color: #8b8b8b;
}
.meaning-title {
font-family: PingFang SC;
font-weight: 500;
font-size: 34rpx;
color: #181818;
}
.meaning-content {
padding: 32rpx;
}
.meaning-image {
width: 670rpx;
height: 268rpx;
border-radius: 24rpx;
margin-bottom: 32rpx;
}
.word-info {
margin-bottom: 32rpx;
}
.word-main {
display: flex;
align-items: center;
gap: 16rpx;
margin-bottom: 8rpx;
}
.word-text {
font-family: PingFang SC;
font-weight: 500;
font-size: 40rpx;
color: #181818;
}
.phonetic-container{
display: flex;
gap: 24rpx;
.phonetic-text {
font-family: PingFang SC;
font-size: 28rpx;
color: #262626;
margin-bottom: 16rpx;
}
}
.word-meaning {
display: flex;
gap: 16rpx;
}
.part-of-speech {
font-family: PingFang SC;
font-size: 28rpx;
color: #262626;
}
.meaning-text {
font-family: PingFang SC;
font-size: 28rpx;
color: #181818;
flex: 1;
}
.knowledge-gain {
background: linear-gradient(180deg, #DEFFFF 0%, #FBFEFF 22.65%, #F0FBFF 100%);
border-radius: 24rpx;
padding: 32rpx 40rpx;
}
.knowledge-header {
display: flex;
align-items: center;
gap: 16rpx;
margin-bottom: 20rpx;
}
.knowledge-icon {
width: 48rpx;
height: 48rpx;
}
.knowledge-title {
font-family: PingFang SC;
font-weight: 600;
font-size: 30rpx;
color: #3B3D3D;
}
.knowledge-content {
font-family: PingFang SC;
font-size: 28rpx;
color: #4f4f4f;
line-height: 48rpx;
}
/* 音频控制栏样式 */
.audio-controls {
background: #fff;
padding: 20rpx 40rpx;
border-bottom: 1rpx solid #eee;
transition: transform 0.3s ease;
position: relative;
z-index: 10;
&.audio-hidden {
transform: translateY(100%);
}
}
.audio-time {
display: flex;
align-items: center;
margin-bottom: 20rpx;
}
.time-text {
font-size: 28rpx;
color: #999;
min-width: 80rpx;
}
.progress-container {
flex: 1;
margin: 0 20rpx;
}
.progress-bar {
position: relative;
height: 6rpx;
background: #f0f0f0;
border-radius: 3rpx;
}
.progress-fill {
position: absolute;
left: 0;
top: 0;
height: 100%;
background: #06DADC;
border-radius: 3rpx;
transition: width 0.1s ease;
}
.progress-thumb {
position: absolute;
top: 50%;
width: 16rpx;
height: 16rpx;
background: #06DADC;
border-radius: 50%;
transform: translate(-50%, -50%);
transition: left 0.1s ease;
}
.audio-controls-row {
display: flex;
align-items: center;
justify-content: space-between;
}
.control-btn {
display: flex;
// flex-direction: column;
align-items: center;
padding: 10rpx;
gap: 8rpx;
}
.control-text {
font-size: 28rpx;
color: #4A4A4A;
// margin-top: 8rpx;
}
.play-btn {
display: flex;
align-items: center;
justify-content: center;
padding: 10rpx;
}
/* 音频加载状态样式 */
.audio-loading-container {
background: #fff;
padding: 40rpx;
border-bottom: 1rpx solid #eee;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
gap: 20rpx;
position: relative;
z-index: 10;
}
.loading-text {
font-size: 28rpx;
color: #999;
}
/* 获取音频按钮样式 */
.audio-get-button-container {
background: rgba(255, 255, 255, 0.95);
backdrop-filter: blur(10px);
padding: 30rpx;
border-radius: 20rpx;
border: 2rpx solid #E5E5E5;
transition: all 0.3s ease;
position: relative;
z-index: 10;
}
.get-audio-btn {
display: flex;
align-items: center;
justify-content: center;
gap: 16rpx;
padding: 20rpx 40rpx;
background: linear-gradient(135deg, #06DADC 0%, #04B8BA 100%);
border-radius: 50rpx;
box-shadow: 0 8rpx 20rpx rgba(6, 218, 220, 0.3);
transition: all 0.3s ease;
}
.get-audio-btn:active {
transform: scale(0.95);
box-shadow: 0 4rpx 10rpx rgba(6, 218, 220, 0.2);
}
.get-audio-text {
font-size: 32rpx;
color: #FFFFFF;
font-weight: 500;
}
</style>