更新：课程视频播放改成原生video组件
This commit is contained in:
519
components/video-player/index.vue
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519
components/video-player/index.vue
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<template>
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<view class="video-player-container">
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<!-- 视频播放器 -->
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<view class="video-wrapper">
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<video
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v-if="!player.showError.value && player.videoUrl.value"
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:id="videoId"
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:src="player.videoUrl.value"
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:poster="player.posterUrl.value"
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:controls="true"
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:page-gesture="true"
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:vslide-gesture="true"
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:vslide-gesture-in-fullscreen="true"
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:show-center-play-btn="true"
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:show-fullscreen-btn="true"
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:show-play-btn="true"
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:show-progress="true"
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:enable-play-gesture="true"
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:enable-progress-gesture="true"
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:object-fit="objectFit"
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:autoplay="true"
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:initial-time="initialTime"
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class="video-element"
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@play="play"
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@pause="pause"
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@ended="ended"
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@timeupdate="timeupdate"
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@error="error"
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@fullscreenchange="fullscreenChange"
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@waiting="waiting"
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@loadedmetadata="loadedmetadata"
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/>
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<!-- 倒计时遮罩 - 使用 cover-view 在 APP 中显示 -->
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<cover-view v-if="showCountdown" class="countdown-overlay">
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<cover-view class="countdown-content">
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<cover-view class="countdown-timer">
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<cover-view class="countdown-number">{{ countdownRemaining }}</cover-view>
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<cover-view class="countdown-text">秒后播放下一个视频</cover-view>
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</cover-view>
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<cover-view class="countdown-actions">
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<cover-view class="btn-cancel" @click="cancelCountdown">取消</cover-view>
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<cover-view class="btn-replay" @click="replayVideo">重新播放</cover-view>
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<cover-view class="btn-next" @click="playNext">立即播放</cover-view>
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</cover-view>
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</cover-view>
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</cover-view>
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<!-- 错误显示 -->
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<view v-if="player.showError.value" class="error-display">
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<view class="error-content">
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<view class="error-message">{{ player.errorMessage.value }}</view>
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<button v-if="player.canRetry.value" class="btn-retry" @click="retry">重试</button>
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</view>
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</view>
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<!-- 加载中 -->
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<view v-if="player.isLoading.value" class="loading-display">
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<view class="loading-spinner"></view>
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<text class="loading-text">加载中...</text>
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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, onMounted, onUnmounted, nextTick } from 'vue'
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import { useVideoPlayer } from './composables/useVideoPlayer'
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import { videoStorage } from '@/utils/videoStorage'
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import type { IVideoPlayerProps, IVideoInfo } from '@/types/video'
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// 页面生命周期
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// @ts-ignore
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const onHide = typeof uni !== 'undefined' ? uni.onHide || (() => {}) : () => {}
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// Props
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const props = withDefaults(defineProps<IVideoPlayerProps>(), {
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countdownSeconds: 5,
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showWatermark: false,
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watermarkText: '本课程版权归天津众妙之门科技有限公司所有，翻版必究!'
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})
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// Emits
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const emit = defineEmits<{
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play: [videoInfo: IVideoInfo]
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pause: [position: number]
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fullscreen: [isFullscreen: boolean]
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error: [error: { type: string; message: string }]
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ended: [videoInfo: IVideoInfo]
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timeupdate: [data: { currentTime: number; duration: number }]
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'video-change': [newIndex: number]
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'update:current-index': [newIndex: number]
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'countdown-start': []
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'countdown-cancel': []
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}>()
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// 使用 composables
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const player = useVideoPlayer(props)
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// 视频相关状态
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const videoId = 'video-player-' + Date.now()
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const videoContext = ref<any>(null)
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const duration = ref(0)
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const isPlaying = ref(false)
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const isFullScreen = ref(false)
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const showCountdown = ref(false)
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const countdownRemaining = ref(props.countdownSeconds)
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const objectFit = ref<'contain' | 'cover'>('contain')
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const initialTime = ref(0)
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let countdownTimer: any = null
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// 生命周期
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onMounted(async () => {
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// 初始化视频上下文
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videoContext.value = uni.createVideoContext(videoId)
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// 加载视频信息
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const videoInfo = await player.loadVideo(props.currentIndex)
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if (videoInfo) {
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// 设置初始播放位置（loadVideo 内部已经调用过 getInitialPosition）
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// 这里再次获取是为了确保 initialTime 和 video 组件同步
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const position = player.videoProgress.getInitialPosition(videoInfo)
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initialTime.value = position
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console.log('Set initial time:', position, 'for video:', videoInfo.id)
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// 如果有历史进度，使用 seek 跳转（因为 initial-time 可能不生效）
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if (position > 0) {
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setTimeout(() => {
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videoContext.value?.seek(position)
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console.log('Seek to position:', position)
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}, 500) // 延迟 500ms 确保视频已加载
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}
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// 开始保存进度
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player.videoProgress.startSaving(videoInfo)
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}
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})
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// 页面隐藏时保存进度
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onHide(() => {
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console.log('Page hidden, saving progress...')
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if (player.currentVideoData.value && player.videoProgress.currentTime.value > 0) {
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// 立即保存到本地
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videoStorage.saveVideoPosition(
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player.currentVideoData.value.id,
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Math.floor(player.videoProgress.currentTime.value),
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player.currentVideoData.value
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)
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// 保存到服务器
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player.videoProgress.saveToServer(
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player.currentVideoData.value.id,
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Math.floor(player.videoProgress.currentTime.value)
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)
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}
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})
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onUnmounted(() => {
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console.log('Component unmounting, saving progress...')
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// 停止进度保存
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player.videoProgress.stopSaving()
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// 立即保存当前播放进度（同步保存到本地，异步保存到服务器）
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if (player.currentVideoData.value && player.videoProgress.currentTime.value > 0) {
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// 立即保存到本地
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videoStorage.saveVideoPosition(
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player.currentVideoData.value.id,
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Math.floor(player.videoProgress.currentTime.value),
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player.currentVideoData.value
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)
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// 保存到服务器（不等待完成）
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player.videoProgress.saveToServer(
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player.currentVideoData.value.id,
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Math.floor(player.videoProgress.currentTime.value)
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)
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}
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// 清除倒计时
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if (countdownTimer) {
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clearInterval(countdownTimer)
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}
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// 恢复竖屏
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// #ifdef APP-PLUS
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plus.screen.lockOrientation('portrait-primary')
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// #endif
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})
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// 监听 currentIndex 变化（仅当外部主动修改时才触发）
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watch(
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() => props.currentIndex,
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async (newIndex, oldIndex) => {
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// 只有当新值与组件内部维护的索引不同时才处理
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// 这样可以避免组件内部切换视频时触发 watch
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if (newIndex !== player.currentIndex.value) {
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await player.changeVideo(newIndex)
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}
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}
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)
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// 事件处理
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const play = () => {
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isPlaying.value = true
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if (player.currentVideoData.value) {
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emit('play', player.currentVideoData.value)
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}
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}
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const pause = () => {
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isPlaying.value = false
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emit('pause', player.videoProgress.currentTime.value)
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// 暂停时保存进度
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if (player.currentVideoData.value && player.videoProgress.currentTime.value > 0) {
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videoStorage.saveVideoPosition(
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player.currentVideoData.value.id,
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Math.floor(player.videoProgress.currentTime.value),
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player.currentVideoData.value
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)
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player.videoProgress.saveToServer(
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player.currentVideoData.value.id,
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Math.floor(player.videoProgress.currentTime.value)
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)
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}
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}
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const ended = () => {
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if (player.currentVideoData.value) {
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emit('ended', player.currentVideoData.value)
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// 检查是否有下一个视频
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if (player.currentIndex.value < props.videoList.length - 1) {
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startCountdown()
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}
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}
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}
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const timeupdate = (e: any) => {
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const currentTime = e.detail.currentTime
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const videoDuration = e.detail.duration
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player.videoProgress.updateCurrentTime(currentTime)
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duration.value = videoDuration
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emit('timeupdate', {
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currentTime,
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duration: videoDuration
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})
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}
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const error = (e: any) => {
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console.error('Video error:', e)
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player.showError.value = true
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player.errorMessage.value = '视频播放出错，请稍后重试'
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player.canRetry.value = true
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emit('error', {
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type: 'VIDEO_LOAD_ERROR',
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message: '视频播放出错'
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})
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}
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const fullscreenChange = (e: any) => {
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isFullScreen.value = e.detail.fullScreen
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// #ifdef APP-PLUS
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if (e.detail.fullScreen) {
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// 进入全屏，锁定横屏
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setTimeout(() => {
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plus.screen.lockOrientation('landscape-primary')
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}, 100)
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} else {
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// 退出全屏，恢复竖屏
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setTimeout(() => {
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plus.screen.lockOrientation('portrait-primary')
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}, 100)
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}
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// #endif
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emit('fullscreen', isFullScreen.value)
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}
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const waiting = () => {
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// 视频缓冲中
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console.log('Video waiting...')
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}
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const loadedmetadata = (e: any) => {
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duration.value = e.detail.duration
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console.log('Video metadata loaded, duration:', duration.value)
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}
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// 倒计时相关
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const startCountdown = () => {
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showCountdown.value = true
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countdownRemaining.value = props.countdownSeconds
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emit('countdown-start')
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countdownTimer = setInterval(() => {
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countdownRemaining.value--
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if (countdownRemaining.value <= 0) {
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clearInterval(countdownTimer)
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playNext()
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}
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}, 1000)
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}
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const cancelCountdown = () => {
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if (countdownTimer) {
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clearInterval(countdownTimer)
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countdownTimer = null
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}
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showCountdown.value = false
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emit('countdown-cancel')
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}
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const replayVideo = () => {
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cancelCountdown()
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// 重置播放位置并播放
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initialTime.value = 0
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player.videoProgress.updateCurrentTime(0)
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// 重新加载当前视频
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player.loadVideo(player.currentIndex.value)
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}
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const playNext = async () => {
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cancelCountdown()
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const nextIndex = player.currentIndex.value + 1
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if (nextIndex < props.videoList.length) {
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await player.changeVideo(nextIndex)
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// 通知父组件更新 currentIndex
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emit('update:current-index', nextIndex)
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emit('video-change', nextIndex)
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// 获取新视频的初始播放位置
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if (player.currentVideoData.value) {
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initialTime.value = player.videoProgress.getInitialPosition(player.currentVideoData.value)
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player.videoProgress.startSaving(player.currentVideoData.value)
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}
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}
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}
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const retry = () => {
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player.retry()
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}
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</script>
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<style lang="scss" scoped>
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.video-player-container {
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width: 100%;
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height: 100%;
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position: relative;
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background-color: #000;
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}
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.video-wrapper {
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width: 100%;
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height: 100%;
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position: relative;
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}
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.video-element {
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width: 100%;
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height: 400rpx;
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}
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.error-display {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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background-color: rgba(0, 0, 0, 0.8);
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}
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.error-content {
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text-align: center;
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padding: 40rpx;
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}
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.error-icon {
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font-size: 80rpx;
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margin-bottom: 20rpx;
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}
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.error-message {
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color: #fff;
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font-size: 28rpx;
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line-height: 1.6;
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margin-bottom: 30rpx;
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}
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.btn-retry {
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background-color: #1989fa;
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color: #fff;
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border: none;
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padding: 20rpx 40rpx;
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border-radius: 8rpx;
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font-size: 28rpx;
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}
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.loading-display {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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background-color: rgba(0, 0, 0, 0.5);
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}
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.loading-spinner {
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width: 60rpx;
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height: 60rpx;
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border: 4rpx solid rgba(255, 255, 255, 0.3);
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border-top-color: #fff;
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border-radius: 50%;
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animation: spin 1s linear infinite;
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}
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@keyframes spin {
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to {
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transform: rotate(360deg);
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}
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}
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.loading-text {
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color: #fff;
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font-size: 28rpx;
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margin-top: 20rpx;
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}
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.countdown-overlay {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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background-color: rgba(0, 0, 0, 0.8);
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z-index: 9999;
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}
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.countdown-content {
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position: absolute;
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top: 50%;
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left: 50%;
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width: 600rpx;
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margin-left: -300rpx;
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margin-top: -150rpx;
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text-align: center;
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}
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.countdown-timer {
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margin-bottom: 60rpx;
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}
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.countdown-number {
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color: #fff;
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font-size: 32px;
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font-weight: bold;
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line-height: 1.2;
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text-align: center;
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}
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.countdown-text {
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color: #fff;
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font-size: 16px;
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line-height: 50rpx;
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text-align: center;
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margin-top: 20rpx;
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}
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.countdown-actions {
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display: flex;
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flex-direction: row;
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justify-content: center;
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align-items: center;
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width: 100%;
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}
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.btn-cancel,
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.btn-replay,
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.btn-next {
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padding: 0 20px;
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text-align: center;
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border-radius: 4px;
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font-size: 14px;
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height: 26px;
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line-height: 26px;
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color: #fff;
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margin: 0 5px;
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background-color: #666;
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}
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// .btn-cancel {
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// background-color: #666;
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// }
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// .btn-replay {
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// background-color: #ff9800;
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// }
|
||||
|
||||
// .btn-next {
|
||||
// background-color: #1989fa;
|
||||
// }
|
||||
</style>
|
||||
Reference in New Issue
Block a user