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<!DOCTYPE html>
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<html lang="zh-cn">
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<head>
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<meta charset="UTF-8">
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<title class="title">[文件管理器]</title>
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<meta name="viewport"
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content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
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<style type="text/css">
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.content {
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background: transparent;
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}
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.btn {
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position: relative;
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top: 0;
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left: 0;
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bottom: 0;
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right: 0;
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}
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.btn .file {
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position: fixed;
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z-index: 93;
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left: 0;
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right: 0;
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top: 0;
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bottom: 0;
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width: 100%;
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opacity: 0;
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}
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</style>
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</head>
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<body>
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<div id="content" class="content">
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<div class="btn">
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<input @change="onChange" :accept="accept" ref="file" class="file" type="file" />
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</div>
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</div>
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<script type="text/javascript" src="js/vue.min.js"></script>
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<script type="text/javascript">
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let _this;
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var vm = new Vue({
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el: '#content',
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data: {
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accept: '',
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},
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mounted() {
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console.log('加载webview');
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_this = this;
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this.files = new Map();
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document.addEventListener('plusready', (e) => {
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let {
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debug,
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instantly,
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prohibited
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} = plus.webview.currentWebview();
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this.debug = debug;
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this.instantly = instantly;
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this.prohibited = prohibited;
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this.accept = prohibited.accept;
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location.href = 'callback?retype=updateOption';
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}, false);
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},
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methods: {
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toast(msg) {
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plus.nativeUI.toast(msg);
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},
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clear(name) {
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if (!name) {
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this.files.clear();
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return;
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}
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this.files.delete(name);
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},
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setData(option = '{}') {
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this.debug && console.log('更新参数：' + option);
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try {
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_this.option = JSON.parse(option);
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} catch (e) {
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console.error('参数设置错误')
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}
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},
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async upload(name = '') {
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if (name && this.files.has(name)) {
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await this.createUpload(this.files.get(name));
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} else {
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for (let item of this.files.values()) {
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if (item.type === 'waiting' || item.type === 'fail') {
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await this.createUpload(item);
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}
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}
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}
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},
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onChange(e) {
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const imgType = ['.bmp', '.jpg', '.png', '.tif', '.gif', '.pcx', '.tga', '.exif', '.fpx', '.svg',
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'.psd',
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'.cdr', '.pcd',
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'.dxf',
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'.ufo', '.eps', '.ai', '.raw', '.WMF', '.webp', '.avif', '.apng'
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]
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const videoType = ['.MPEG', '.MPEG-1', '.MPEG-2', '.MPEG-4', '.MPEG-7', '.MPEG-21', '.AVI',
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'.nAVI', '.ASF',
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'.MOV',
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'.WMV',
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'.3GP', '.RM', '.RMVB', '.FLV', '.F4V', '.MP4'
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]
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const audioType = ['.AIFF', '.AU', '.MP3', '.MIDI', '.WMA', '.RealAudio', '.VQF', '.OggVorbis',
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'.AAC',
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'.APE'
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]
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let fileDom = this.$refs.file;
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let file = fileDom.files[0];
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let name = file.name;
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fileDom.value = '';
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this.debug && console.log('文件名称', name, '大小', file.size);
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if (file) {
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// 限制文件格式
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let suffix = name.substring(name.lastIndexOf("."));
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let formats = this.prohibited.formats ? this.prohibited.formats.split(',') : [];
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let isAccept = false;
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if (!formats.length) isAccept = true;
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if (formats && formats.includes(suffix.toUpperCase())) {
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isAccept = true;
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} else if (formats === '*') {
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isAccept = true
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} else {
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let isImage = false
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let isVideo = false
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let isAudio = false
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if (formats.includes("image/*")) {
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isImage = imgType.includes(suffix.toUpperCase())
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if (isImage) {
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isAccept = true
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} else {
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if (formats.includes("video/*")) {
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isVideo = videoType.includes(suffix.toUpperCase())
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if (isVideo) {
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isAccept = true
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} else {
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if (formats.includes("audio/*")) {
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isAudio = audioType.includes(suffix.toUpperCase())
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if (isAudio) {
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isAccept = true
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}
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}
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}
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} else {
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if (formats.includes("audio/*")) {
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isAudio = audioType.includes(suffix.toUpperCase())
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if (isAudio) {
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isAccept = true
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}
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}
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}
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}
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} else if (formats.includes("video/*")) {
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isVideo = videoType.includes(suffix.toUpperCase())
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if (isVideo) {
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isAccept = true
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} else {
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if (formats.includes("audio/*")) {
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isAudio = audioType.includes(suffix.toUpperCase())
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if (isAudio) {
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isAccept = true
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}
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}
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}
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} else if (formats.includes("audio/*")) {
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isAudio = audioType.includes(suffix.toUpperCase())
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if (isAudio) {
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isAccept = true
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}
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}
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}
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if (!isAccept) {
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this.toast(`不支持上传${suffix.toUpperCase()}格式文件`);
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return false;
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}
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// 限制文件大小
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if (file.size > 1024 * 1024 * Math.abs(this.prohibited.size)) {
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this.toast(`附件大小请勿超过${this.prohibited.size}M`)
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return;
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}
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let path = URL.createObjectURL(file);
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this.files.set(file.name, {
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file,
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path,
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name: file.name,
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size: file.size,
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progress: 0,
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type: 'waiting'
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});
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this.callChange();
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this.instantly && this.upload();
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}
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},
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/**
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* @returns {Map} 已选择的文件Map集
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*/
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callChange() {
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location.href = 'callback?retype=change&files=' + escape(JSON.stringify([...this.files]));
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},
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/**
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* @returns {object} 正在处理的当前对象
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*/
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changeFilesItem(item, end = '') {
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this.files.set(item.name, item);
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location.href = 'callback?retype=progress&end=' + end + '&item=' + escape(JSON.stringify(item));
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},
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createUpload(item) {
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this.debug && console.log('准备上传,option=：' + JSON.stringify(this.option));
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item.type = 'loading';
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delete item.responseText;
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return new Promise((resolve, reject) => {
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let {
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url,
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name,
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method = 'POST',
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header = {},
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formData = {},
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data = {}
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} = this.option;
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let form = new FormData();
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for (let keys in formData) {
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form.append(keys, formData[keys])
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}
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for (let keys in data) {
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form.append(keys, data[keys])
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}
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form.append(name, item.file);
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let xmlRequest = new XMLHttpRequest();
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xmlRequest.open(method, url, true);
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for (let keys in header) {
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xmlRequest.setRequestHeader(keys, header[keys])
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}
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xmlRequest.upload.addEventListener(
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'progress',
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event => {
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if (event.lengthComputable) {
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let progress = Math.ceil((event.loaded * 100) / event.total)
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if (progress <= 100) {
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item.progress = progress;
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this.changeFilesItem(item);
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}
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}
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},
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false
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);
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xmlRequest.ontimeout = () => {
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console.error('请求超时')
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item.type = 'fail';
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this.changeFilesItem(item, true);
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return resolve(false);
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}
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xmlRequest.onreadystatechange = ev => {
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if (xmlRequest.readyState == 4) {
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if (xmlRequest.status == 200) {
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this.debug && console.log('上传完成：' + xmlRequest.responseText)
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item['responseText'] = xmlRequest.responseText;
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item.type = 'success';
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this.changeFilesItem(item, true);
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return resolve(true);
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} else if (xmlRequest.status == 0) {
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console.error(
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'status = 0 :请检查请求头Content-Type与服务端是否匹配，服务端已正确开启跨域，并且nginx未拦截阻止请求'
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)
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}
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console.error('--ERROR--：status = ' + xmlRequest.status)
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item.type = 'fail';
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this.changeFilesItem(item, true);
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return resolve(false);
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}
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}
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xmlRequest.send(form)
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});
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}
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}
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});
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</script>
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</body>
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</html>
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