<template>
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<div id="recordDownload" >
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<el-dialog :title="title" v-if="showDialog" width="45rem" :append-to-body="true" :close-on-click-modal="false" :visible.sync="showDialog" :destroy-on-close="true" @close="close()" center>
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<el-row>
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<el-col :span="18" style="padding-top: 7px;">
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<el-progress :percentage="percentage"></el-progress>
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</el-col>
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<el-col :span="6" >
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<el-button icon="el-icon-download" v-if="percentage < 100" size="mini" title="点击下载可将以缓存部分下载到本地" @click="download()">停止缓存并下载</el-button>
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<el-button icon="el-icon-download" v-if="downloadFile" size="mini" title="点击下载" @click="downloadFileClientEvent()">点击下载</el-button>
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</el-col>
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</el-row>
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</el-dialog>
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</div>
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</template>
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<script>
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import moment from "moment";
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export default {
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name: 'recordDownload',
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created() {
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window.addEventListener('beforeunload', this.stopDownloadRecord)
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},
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data() {
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return {
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title: "四倍速下载中...",
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deviceId: "",
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channelId: "",
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app: "",
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stream: "",
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mediaServerId: "",
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showDialog: false,
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scale: 1,
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percentage: 0.00,
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streamInfo: null,
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taskId: null,
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getProgressRun: false,
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getProgressForFileRun: false,
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timer: null,
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downloadFile: null,
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};
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},
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methods: {
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openDialog: function (deviceId, channelId, app, stream, mediaServerId) {
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this.deviceId = deviceId;
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this.channelId = channelId;
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this.app = app;
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this.stream = stream;
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this.mediaServerId = mediaServerId;
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this.showDialog = true;
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this.getProgressRun = true;
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this.percentage = 0.0;
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this.getProgressTimer()
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},
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getProgressTimer: function (){
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if (!this.getProgressRun) {
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return;
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}
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if (this.percentage == 100 ) {
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this.getFileDownload();
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return;
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}
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setTimeout( ()=>{
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if (!this.showDialog) return;
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this.getProgress(this.getProgressTimer())
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}, 5000)
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},
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getProgress: function (callback){
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this.$axios({
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method: 'get',
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url: `/api/gb_record/download/progress/${this.deviceId}/${this.channelId}/${this.stream}`
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}).then((res)=> {
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console.log(res)
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if (res.data.code === 0) {
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this.streamInfo = res.data.data;
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if (parseFloat(res.data.progress) == 1) {
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this.percentage = 100;
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}else {
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this.percentage = (parseFloat(res.data.data.progress)*100).toFixed(1);
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}
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if (callback)callback();
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}else {
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this.$message({
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showClose: true,
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message: res.data.msg,
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type: "error",
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});
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this.close();
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}
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}).catch((e) =>{
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console.log(e)
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});
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},
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close: function (){
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if (this.streamInfo.progress < 1) {
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this.stopDownloadRecord();
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}
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if (this.timer !== null) {
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window.clearTimeout(this.timer);
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this.timer = null;
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}
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this.showDialog=false;
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this.getProgressRun = false;
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this.getProgressForFileRun = false;
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},
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gbScale: function (scale){
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this.scale = scale;
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},
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download: function (){
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this.getProgressRun = false;
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if (this.streamInfo != null ) {
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if (this.streamInfo.progress < 1) {
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// 发送停止缓存
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this.stopDownloadRecord((res)=>{
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this.getFileDownload()
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})
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}else {
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this.getFileDownload()
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}
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}
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},
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stopDownloadRecord: function (callback) {
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this.$axios({
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method: 'get',
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url: '/api/gb_record/download/stop/' + this.deviceId + "/" + this.channelId+ "/" + this.stream
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}).then((res)=> {
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if (callback) callback(res)
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});
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},
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getFileDownload: function (){
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this.$axios({
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method: 'get',
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url:`/record_proxy/${this.mediaServerId}/api/record/file/download/task/add`,
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params: {
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app: this.app,
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stream: this.stream,
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startTime: null,
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endTime: null,
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}
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}).then((res) =>{
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if (res.data.code === 0 ) {
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// 查询进度
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this.title = "录像文件处理中..."
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this.taskId = res.data.data;
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this.percentage = 0.0;
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this.getProgressForFileRun = true;
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this.getProgressForFileTimer();
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}
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}).catch(function (error) {
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console.log(error);
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});
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},
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getProgressForFileTimer: function (){
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if (!this.getProgressForFileRun || this.percentage == 100) {
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return;
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}
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setTimeout( ()=>{
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if (!this.showDialog) return;
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this.getProgressForFile(this.getProgressForFileTimer)
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}, 1000)
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},
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getProgressForFile: function (callback){
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this.$axios({
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method: 'get',
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url:`/record_proxy/${this.mediaServerId}/api/record/file/download/task/list`,
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params: {
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app: this.app,
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stream: this.stream,
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taskId: this.taskId,
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isEnd: true,
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}
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}).then((res) => {
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console.log(res)
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if (res.data.code === 0) {
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if (res.data.data.length === 0){
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this.percentage = 0
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// 往往在多次请求后（实验五分钟的视频是三次请求），才会返回数据，第一次请求通常是返回空数组
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if (callback)callback()
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return
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}
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// res.data.data应是数组类型
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this.percentage = parseFloat(res.data.data[0].percentage)*100
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if (res.data.data[0].percentage === '1') {
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this.getProgressForFileRun = false;
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this.downloadFile = res.data.data[0].downloadFile
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this.title = "文件处理完成，点击按扭下载"
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// window.open(res.data.data[0].downloadFile)
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}else {
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if (callback)callback()
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}
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}
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}).catch(function (error) {
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console.log(error);
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});
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},
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downloadFileClientEvent: function (){
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window.open(this.downloadFile )
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}
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},
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destroyed() {
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window.removeEventListener('beforeunload', this.stopDownloadRecord)
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}
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};
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</script>
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<style>
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</style>
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