424 lines
11 KiB
Vue
424 lines
11 KiB
Vue
<template>
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<!-- 上传短视频 -->
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<view class="upload-content">
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<view class="progress-box" v-if="showProgress">
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<text class="progress-text">{{progress}}%</text>
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<text class="progress-lable">上传中</text>
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<progress :percent="progress"></progress>
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</view>
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<view v-if="video" class="video-preview">
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<video
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:src="'https://app.mrrweb.com.cn' + video"
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ref="videoPlayer"
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v-if="video"
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class="preview-video"
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:controls="false"
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object-fit="cover"
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:autoplay="true"
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:muted="true"
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:initial-time="1"
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:show-center-play-btn="false"
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:show-loading="false"
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:enable-progress-gesture="false"
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:show-fullscreen-btn="false"
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:show-play-btn="false"
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@play="onPlay"
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></video>
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<!-- 备用提示 -->
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<view v-if="showFallback" class="video-fallback">
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<text>视频加载失败，请尝试刷新或更换视频源</text>
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</view>
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<view class="delete-btn" @click="deleteVideo">×</view>
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</view>
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<view v-else class="upload-btn" @click="chooseVideo">
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<text class="plus-icon">+</text>
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</view>
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</view>
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</template>
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<script>
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import request from '../../utils/request';
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import sparkMD5 from 'spark-md5'; // 引入MD5计算库
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export default {
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name:"upload-video",
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props: {
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video: {
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type: String,
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default: ''
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},
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videoNum: {
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type: Number,
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default: 1
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},
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},
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data() {
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return {
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autoplay: false,
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showProgress: false,
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progress: 0,
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showFallback: false,
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finalVideoUrl: '',
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platformAutoplay: true,
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autoplayMuted: true,
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};
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},
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// watch: {
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// video: {
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// handler(newValue) {
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// this.video = newValue
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// },
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// deep: true
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// }
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// },
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methods: {
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// 获取文件 (兼容各平台)
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getFile() {
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return new Promise((resolve, reject) => {
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// #ifdef H5
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const input = document.createElement('input')
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input.type = 'file'
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input.accept = this.accept
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input.onchange = (e) => {
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// resolve(e.target.files[0])
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resolve(e)
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}
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input.click()
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// #endif
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// #ifndef H5
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uni.chooseVideo({
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count: 1,
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sourceType: ['album', 'camera'],
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compressed: false,
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maxDuration: 180,
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camera: 'back',
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success: (res) => {
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// resolve(res.tempFiles[0])
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resolve(res)
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},
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fail: (err) => {
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reject(err)
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}
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})
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// #endif
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})
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},
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// 上传视频区域
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async chooseVideo() {
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// 选择文件（添加类型校验）
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// const res = await uni.chooseVideo({
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// sourceType: ['album', 'camera'],
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// compressed: false,
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// maxDuration: 180,
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// camera: 'back'
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// });
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const res = await this.getFile();
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console.log(res,';;;;;;;;;;;;;;;;;;;;;;;;;;;')
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this.showProgress = true;
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let size = res.size;
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if(size > 5*1024*1024) {
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// 统一获取文件列表
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const files = res.tempFile || res;
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const file = res.tempFile || res;
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console.log('file',file)
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// if (!files || files.length === 0) {
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// uni.showToast({ title: '文件选择取消', icon: 'none' });
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// return;
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// }
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if (!file) {
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uni.showToast({ title: '视频选择取消', icon: 'none' });
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return;
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}
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progress: (res) => {
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console.log(`分片${index}进度: ${res.progress}%`);
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}
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// 通过 tempFiles 获取文件（UniApp规范）
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// const file = files[0];
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// 计算文件MD5（优化大文件计算）
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const md5 = await this.calculateFileMD5(file);
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// 分片大小（2MB）
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const chunkSize = 1 * 1024 * 1024;
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const totalChunks = Math.ceil(file.size / chunkSize);
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// 分片上传
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for (let index = 0; index < totalChunks; index++) {
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const start = index * chunkSize;
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const end = Math.min(file.size, start + chunkSize);
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// #ifdef H5
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// 浏览器环境使用标准的 slice 方法
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const chunk = file.slice(start, end);
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// 上传分片
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await this.uploadChunk(chunk, index, totalChunks, md5);
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// #endif
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// #ifndef H5
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// 非浏览器环境使用 Uniapp API
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const fs = uni.getFileSystemManager();
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const arrayBuffer = fs.readFileSync({
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filePath: file,
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position: start,
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length: end - start
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});
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// 上传分片
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await this.uploadChunk(arrayBuffer, index, totalChunks, md5);
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// #endif
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// 上传分片
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// await this.uploadChunk(chunk, index, totalChunks, md5);
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this.progress = parseInt((index+1)/totalChunks*100)
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}
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// 合并请求
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await this.mergeChunks(md5, file.name);
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}else {
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let item = {
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filePath: res.tempFilePath,
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type: 'video'
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}
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this.uploadVideo(item)
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}
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},
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uploadVideo(item) {
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request.uploadVideo('/user/uploadvideo',item.filePath,'video',{type: item.type}).then(res=>{
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this.$emit('addVideo',res.path)
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// this.initVideo();
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this.showProgress = false;
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})
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},
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// 计算文件MD5（分块计算）
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calculateFileMD5(file) {
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return new Promise((resolve) => {
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const chunkSize = 1 * 1024 * 1024;
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const chunks = Math.ceil(file.size / chunkSize);
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const spark = new sparkMD5.ArrayBuffer();
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let currentChunk = 0;
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const loadNext = () => {
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const start = currentChunk * chunkSize;
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const end = start + chunkSize >= file.size ? file.size : start + chunkSize;
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let reader;
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// #ifdef H5
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reader = new FileReader();
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// #endif
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// #ifndef H5
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reader = uni.getfilesystem;
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// #endif
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reader.onload = (e) => {
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spark.append(e.target.result);
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currentChunk++;
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if (currentChunk < chunks) {
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loadNext();
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} else {
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resolve(spark.end());
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}
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};
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reader.readAsArrayBuffer(file.slice(start, end));
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};
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loadNext();
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});
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},
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async uploadChunk(chunk, index, totalChunks, md5) {
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let that = this;
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try {
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// 获取ArrayBuffer
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const arrayBuffer = await new Promise((resolve) => {
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let reader;
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// #ifdef H5
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reader = new FileReader();
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// #endif
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// #ifndef H5
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reader = uni.getfilesystem;
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// #endif
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reader.onload = () => resolve(reader.result);
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reader.readAsArrayBuffer(chunk);
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});
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// 平台差异化处理
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let tempFilePath = '';
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// 微信小程序/App端写入临时文件
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// #ifdef MP-WEIXIN || APP-PLUS
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const fs = uni.getFileSystemManager();
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tempFilePath = `${getTempDir()}${md5}_${Date.now()}_${index}.tmp`;
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await new Promise((resolve, reject) => {
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fs.writeFile({
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filePath: tempFilePath,
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data: arrayBuffer,
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encoding: 'binary',
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success: resolve,
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fail: (err) => reject(`文件写入失败: ${JSON.stringify(err)}`)
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});
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});
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// #endif
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// H5端特殊处理
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// #ifdef H5
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const blob = new Blob([arrayBuffer], { type: chunk.type });
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const file = new File([blob], `${md5}_${index}.bin`, {
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type: chunk.type,
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lastModified: Date.now()
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});
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tempFilePath = file;
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// #endif
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const uploadTask = await request.uploadTask('/user/uploadvideoother',tempFilePath,'file',{chunkIndex: index,totalChunks: totalChunks,md5: md5});
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// 上传后清理临时文件（非H5）
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// #ifdef MP-WEIXIN || APP-PLUS
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fs.unlink({ filePath: tempFilePath });
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// #endif
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return uploadTask;
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} catch (error) {
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console.error('分片上传失败:', error);
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throw new Error(`分片${index}上传失败: ${error.message}`);
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}
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},
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// 合并请求
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mergeChunks(md5, fileName) {
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let that = this;
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request.post('/user/uploadvideomerge',{md5: md5,filename: fileName}).then(res=>{
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that.$emit('addVideo',res.path)
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// that.initVideo();
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that.showProgress = false;
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})
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},
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// 上传视频结束区域
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// 删除视频
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deleteVideo() {
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this.$emit('deleteVideo')
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},
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initVideo() {
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// 平台自动播放处理
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this.platformAutoplay = this.autoplay;
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// iOS自动播放必须静音
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// #ifdef APP-PLUS
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if (plus.os.name === 'iOS' && this.autoplay) {
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this.autoplayMuted = true;
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}
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// #endif
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// 路径处理
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this.processVideoUrl();
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},
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processVideoUrl() {
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if (!this.video) return;
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// 处理APP本地路径
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if (this.video.startsWith('file://') || this.video.startsWith('/storage')) {
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// #ifdef APP-PLUS
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this.finalVideoUrl = plus.io.convertLocalFileSystemURL(this.video);
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// #endif
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// #ifdef MP-WEIXIN || H5
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this.finalVideoUrl = this.video;
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// #endif
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} else {
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this.finalVideoUrl = this.video;
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}
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},
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onPlay() {
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console.log('视频开始播放');
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this.platformAutoplay = true;
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this.showFallback = false;
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},
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onError(e) {
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console.error('视频播放错误:', e);
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this.showFallback = true;
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// 尝试备用方案
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this.tryFallbackSource();
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},
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tryFallbackSource() {
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// 可以在这里实现备用视频源逻辑
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}
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}
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}
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</script>
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<style>
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.upload-content {
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display: flex;
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flex-wrap: wrap;
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position: relative;
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}
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.progress-box {
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width: 204rpx;
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height: 204rpx;
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background-color: rgba(0 ,0 ,0 , 0.5);
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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z-index: 99;
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display: flex;
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flex-flow: column nowrap;
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justify-content: center;
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align-items: center;
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}
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.progress-text {
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font-size: 42rpx;
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color: #FFFFFF;
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font-weight: 500;
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}
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.progress-lable {
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font-size: 28rpx;
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color: #FFFFFF;
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}
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.progress-box progress {
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/* width: 204rpx; */
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position: absolute;
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left: 0;
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right: 0;
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bottom: 0;
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}
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.video-preview,
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.upload-btn {
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width: 200rpx;
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height: 200rpx;
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margin-right: 10rpx;
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margin-bottom: 20rpx;
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position: relative;
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}
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.preview-video {
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width: 200rpx;
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height: 200rpx;
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border-radius: 8rpx;
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}
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.upload-btn {
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border: 2rpx dashed #DDDDDD;
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border-radius: 8rpx;
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display: flex;
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justify-content: center;
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align-items: center;
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}
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.plus-icon {
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font-size: 60rpx;
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color: #999999;
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}
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.delete-btn {
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position: absolute;
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top: -20rpx;
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right: -20rpx;
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width: 40rpx;
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height: 40rpx;
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background-color: rgba(0, 0, 0, 0.5);
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border-radius: 50%;
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color: #FFFFFF;
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display: flex;
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justify-content: center;
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align-items: center;
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font-size: 32rpx;
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}
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</style>
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