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This commit is contained in:
cansnow
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<template>
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<view>
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<view class="video_message_container" @click="clickMediaItem">
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<u--image
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:showLoading="true"
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:src="src"
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:width="imgWidth"
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:height="maxHeight"
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mode="widthFix"
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@load="onLoaded"
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@click="clickMediaItem">
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<template v-slot:loading>
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<u-loading-icon color="red"></u-loading-icon>
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</template>
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</u--image>
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<!-- 覆盖层：显示封面下载状态/视频下载入口/播放按钮 -->
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<view class="download-overlay" @click.stop="onOverlayClick">
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<view v-if="videoDownloading" class="progress-box">
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<view class="progress-bar">
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<view class="progress-fill" :style="{ width: videoDownloadProgress + '%' }"></view>
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</view>
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<text class="progress-text">{{ videoDownloadProgress }}%</text>
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</view>
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<u-icon v-else-if="videoExists" class="play_icon" name="play-circle" size="48" color="#fff"></u-icon>
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<uni-icons v-else class="play_icon" type="cloud-download" size="48" color="#fff"></uni-icons>
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</view>
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</view>
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<!-- 视频播放器组件 -->
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<videoPlayer :previewVideoFlag="previewVideoFlag" :previewVideoSrc="previewVideoSrc" @quitPlay="previewVideoFlag=false"></videoPlayer>
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</view>
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</template>
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<script>
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/*
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{
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"clientMsgID": "d9a596f3e665e84559821a8aa5fb9f16",
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"serverMsgID": "76a56965a5fba40df213da2acb331517",
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"createTime": 1765413732786,
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"sendTime": 1765413733732,
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"sessionType": 1,
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"sendID": "100003",
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"recvID": "100004",
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"msgFrom": 100,
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"contentType": 104,
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"senderPlatformID": 2,
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"senderNickname": "131****2222",
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"senderFaceUrl": "/static/img/avatar.png",
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"seq": 22,
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"isRead": false,
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"status": 2,
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"videoElem": {
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"videoPath": "/storage/emulated/0/Movies/顺网云电脑 2025-10-21 04-26-04-converted.mp4",
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"videoUrl": "http://www.axzc.xyz/object/100003/msg_video_d9a596f3e665e84559821a8aa5fb9f16.mp4",
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"videoType": "mp4",
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"videoSize": 3751005,
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"duration": 44,
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"snapshotPath": "/storage/emulated/0/Android/data/hk.huisheng.im/apps/__UNI__CA458BA/doc/video_cover_2ea1c8ec.jpg",
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"snapshotSize": 36974,
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"snapshotUrl": "http://www.axzc.xyz/object/100003/msg_videoSnapshot_d9a596f3e665e84559821a8aa5fb9f16.jpg",
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"snapshotWidth": 1087,
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"snapshotHeight": 726
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},
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"attachedInfoElem": {
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"groupHasReadInfo": {
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"hasReadCount": 0,
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"groupMemberCount": 0
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},
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"isPrivateChat": false,
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"burnDuration": 0,
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"hasReadTime": 0,
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"isEncryption": false,
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"inEncryptStatus": false
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}
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}
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*/
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const imgWidth = 240;
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import md5 from "md5";
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import videoPlayer from "@/components/videoPlayer.vue";
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import util from "@/util"
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export default {
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name: "VideoMessageContainer",
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components: {
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videoPlayer,
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},
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props: {
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message: Object,
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conversationID:String,
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},
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data() {
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return {
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loadingWidth: imgWidth+"px",
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imgWidth:imgWidth,
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isDownloading: false,
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downloadProgress: 0,
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coverDownloading: false,
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coverDownloadProgress: 0,
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videoDownloading: false,
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videoDownloadProgress: 0,
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coverExists: false,
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videoExists: false,
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coverCachePath:"",
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videoCachePath:"",
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previewVideoFlag: false,
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previewVideoSrc: "",
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src:"",
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};
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},
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computed: {
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maxHeight() {
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const imageHeight = this.message.videoElem.snapshotHeight;
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const imageWidth = this.message.videoElem.snapshotWidth;
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const aspectRatio = imageHeight / imageWidth;
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return imgWidth * aspectRatio;
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}
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},
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async created(){
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this.init();
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},
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methods: {
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async init(){
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// 如果有远程 snapshotUrl，则下载到 coverCachePath
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const snapshotUrl = this.message?.videoElem?.snapshotUrl;
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const key = md5(this.message?.videoElem?.videoUrl || '');
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this.coverCachePath = `_doc/${this.conversationID}/cover_${key}.jpg`;
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this.videoCachePath = `_doc/${this.conversationID}/${key}.mp4`;
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const coverExists = await util.fileExsit(this.coverCachePath);
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// 自动缓存封面到 this.coverCachePath
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const self = this;
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if (typeof plus === 'undefined' || !this.coverCachePath) return;
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try {
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// 检查封面是否存在
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const coverExists = await util.fileExsit(self.coverCachePath);
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this.coverExists = !!coverExists;
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// 同时检查视频缓存是否存在
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const vidExists = await util.fileExsit(self.videoCachePath);
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this.videoExists = !!vidExists;
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if (this.coverExists) {
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this.src = this.coverCachePath;
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return;
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}
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if (!snapshotUrl) {
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this.src="/static/images/sync_error.png";
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return;
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}
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this.coverDownloading = true;
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await new Promise((resolve, reject) => {
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util.downloadFile(snapshotUrl, self.coverCachePath, function(localPath) {
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self.coverDownloading = false;
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self.coverExists = true;
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resolve(localPath);
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}, function(err) {
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self.coverDownloading = false;
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reject(err);
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}, function(progress) {
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self.coverDownloadProgress = progress;
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});
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});
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} catch (e) {
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this.coverDownloading = false;
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}
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},
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clickMediaItem() {
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uni.previewImage({
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current: 0,
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urls: [this.message.videoElem?.snapshotUrl],
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indicator: "none",
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});
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},
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async onLoaded() {
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this.loadingWidth = "auto";
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},
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onOverlayClick() {
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// 点击覆盖层：如果视频已缓存则直接播放，否则开始下载
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if (this.videoExists) {
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this.playVideo(this.videoCachePath);
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return;
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}
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const url = this.message?.videoElem?.videoUrl || this.message?.videoElem?.videoPath;
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if (!url) {
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uni.showToast({ title: '无可下载的视频' });
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return;
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}
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this.videoDownloading = true;
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this.videoDownloadProgress = 0;
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util.downloadFile(url, this.videoCachePath, (localPath) => {
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this.videoDownloading = false;
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this.videoExists = true;
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this.playVideo(localPath);
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}, (err) => {
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this.videoDownloading = false;
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uni.showToast({ title: '下载失败' });
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}, (prog) => {
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this.videoDownloadProgress = prog;
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});
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},
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playVideo(localPath) {
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if (!localPath) return;
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this.previewVideoSrc = localPath;
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this.previewVideoFlag = true;
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},
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},
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};
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</script>
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<style lang="scss" scoped>
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.video_message_container {
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position: relative;
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border-radius: 16rpx;
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overflow: hidden;
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.play_icon {
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width: 48px;
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height: 48px;
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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}
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.video_duration {
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position: absolute;
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bottom: 12rpx;
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right: 24rpx;
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color: #fff;
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}
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}
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.download-overlay {
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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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bottom: 0;
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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: rgba(0,0,0,0.35);
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}
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.progress-box {
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width: 70%;
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max-width: 240px;
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text-align: center;
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}
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.progress-bar {
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width: 100%;
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height: 8px;
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background: rgba(255,255,255,0.25);
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border-radius: 4px;
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overflow: hidden;
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}
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.progress-fill {
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height: 100%;
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background: #4caf50;
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width: 0%;
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}
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.progress-text {
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display: block;
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color: #fff;
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margin-top: 8px;
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font-size: 12px;
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}
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</style>
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