199 lines
6.0 KiB
HTML
199 lines
6.0 KiB
HTML
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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" 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 {background: transparent;}
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.btn {position: relative;top: 0;left: 0;bottom: 0;right: 0;}
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.btn .file {position: fixed;z-index: 93;left: 0;right: 0;top: 0;bottom: 0;width: 100%;opacity: 0;}
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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 :multiple="multiple" @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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multiple: true,
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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 {debug,instantly,prohibited} = 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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if (prohibited.multiple === 'false') {
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prohibited.multiple = false;
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}
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this.multiple = prohibited.multiple;
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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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}
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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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let fileDom = this.$refs.file;
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for (let file of fileDom.files) {
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if (this.files.size >= this.prohibited.count) {
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this.toast(`只允许上传${this.prohibited.count}个文件`);
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fileDom.value = '';
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break;
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}
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this.addFile(file);
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}
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this.uploadAfter();
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fileDom.value = '';
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},
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addFile(file) {
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if (file) {
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let name = file.name;
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this.debug&&console.log('文件名称',name,'大小',file.size);
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// 限制文件格式
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let suffix = name.substring(name.lastIndexOf(".")+1).toLowerCase();
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let formats = this.prohibited.formats.toLowerCase();
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if (formats&&!formats.includes(suffix)) {
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this.toast(`不支持上传${suffix.toUpperCase()}格式文件`);
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return;
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}
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// 限制文件大小
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if (file.size > 1024 * 1024 * Math.abs(this.prohibited.size)) {
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this.toast(`附件大小请勿超过${this.prohibited.size}M`)
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return;
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}
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// let itemBlob = new Blob([file]);
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let path = URL.createObjectURL(file);
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this.files.set(file.name,{file,path,name: file.name,size: file.size,progress: 0,type: 'waiting'});
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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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uploadAfter() {
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this.callChange();
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setTimeout(()=>{
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this.instantly&&this.upload();
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},1000)
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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 {url,name,method='POST',header={},formData={}} = 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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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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this.debug && console.log('接口是否支持跨域',xmlRequest.withCredentials);
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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('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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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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