<template>
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<div class="upload-file-wrapper">
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<!-- 上传文件组件 -->
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<uploader class="uploader-app" ref="uploader" :options="options" :autoStart="false" :fileStatusText="fileStatusText"
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@files-added="handleFilesAdded" @file-success="handleFileSuccess" @file-error="handleFileError">
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<uploader-unsupport></uploader-unsupport>
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<!-- 选择按钮 在这里隐藏 -->
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<uploader-btn class="select-file-btn" :attrs="attrs" ref="uploadBtn">选择文件</uploader-btn>
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<uploader-btn class="select-file-btn" :attrs="attrs" :directory="true" ref="uploadDirBtn">选择目录</uploader-btn>
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</uploader>
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<!-- <el-dialog title="提示" style="z-index: 30;" :visible.sync="dialogVisible" width="30%" :before-close="handleClose">
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<span>这是一段信息</span>
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<span slot="footer" class="dialog-footer">
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<el-button @click="dialogVisible = false">取 消</el-button>
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<el-button type="primary" @click="dialogVisible = false">确 定</el-button>
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</span>
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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 store from '@/store/index.js'
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import { ACCESS_TOKEN } from "@/store/mutation-types"
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import SparkMD5 from 'spark-md5'
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import Vue from 'vue'
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export default {
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data() {
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return {
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dialogVisible: false,
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// 上传组件配置项
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options: {
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target: `${window._CONFIG['domianURL']}/document/compareFile`, // 上传文件-目标 URL
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chunkSize: 1024 * 1024, // 每个分片的大小
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fileParameterName: 'file', // 上传文件时文件的参数名，默认 file
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maxChunkRetries: 3, // 并发上传数，默认 3
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testChunks: false, // 是否开启分片已存在于服务器的校验
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// 服务器分片校验函数，秒传及断点续传基础
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checkChunkUploadedByResponse: function (chunk, message) {
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// console.log("chunk:::", chunk);
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// console.log("message:::", message);
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let objMessage = JSON.parse(message)
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if (objMessage.success) {
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let data = objMessage.result
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if (data.skipUpload) {
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// 分片已存在于服务器中
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return true
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}
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return (data.uploaded || []).indexOf(chunk.offset + 1) >= 0
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} else {
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console.log(objMessage.message)
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return true
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}
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},
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headers: {
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'X-Access-Token': Vue.ls.get(ACCESS_TOKEN)
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},
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query() { }
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},
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// 文件状态文案映射
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fileStatusText: {
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success: '上传成功',
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error: 'error',
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uploading: '上传中',
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paused: '暂停中',
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waiting: '等待中'
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},
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attrs: {
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accept: '*'
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},
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panelShow: false, // 上传文件面板是否显示
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collapse: false, // 上传文件面板是否折叠
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dropBoxShow: false, // 拖拽上传是否显示
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// 粘贴图片的信息
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pasteImg: {
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src: '',
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name: ''
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},
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pasteImgObj: null, // 粘贴图片 File 对象
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filesLength: 0 // 上传的文件个数
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}
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},
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computed: {
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// Uploader 上传组件实例
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uploaderInstance() {
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return this.$refs.uploader.uploader
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},
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// 剩余存储空间
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remainderStorageValue() {
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return store.getters.remainderStorageValue
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}
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},
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methods: {
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handleClose(done) {
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this.$confirm('确认关闭？')
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.then(_ => {
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done();
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})
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.catch(_ => { });
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},
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/**
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* 上传组件预处理
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*/
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handlePrepareUpload() {
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console.log("上传组件预处理");
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this.options.headers['X-Access-Token'] = Vue.ls.get(ACCESS_TOKEN)
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console.log("this.uploadWay", this.uploadWay);
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switch (this.uploadWay) {
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case "1": {
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console.log("this.$refs.uploadBtn", this.$refs.uploadBtn);
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this.$refs.uploadBtn.$el.click()
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break
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}
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case "2": {
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this.$refs.uploadDirBtn.$el.click()
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break
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}
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case "3": {
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this.pasteImg.src = ''
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this.pasteImg.name = ''
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this.pasteImgObj = null
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this.dropBoxShow = true
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break
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}
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}
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},
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/**
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* 添加批量文件的回调函数
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* @description 对单个或批量文件都按此逻辑处理
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* @param {object} files 批量文件信息
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*/
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handleFilesAdded(files) {
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console.log("批量添加文件：：：：", files);
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// 批量选择的文件的总体大小
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const filesTotalSize = files
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.map((item) => item.size)
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.reduce((pre, next) => {
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return pre + next
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}, 0)
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if (this.remainderStorageValue < filesTotalSize) {
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// 批量选择的文件超出剩余存储空间
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this.$message.warning(
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`剩余存储空间不足，请重新选择${files.length > 1 ? '批量' : ''}文件`
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)
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// https://github.com/simple-uploader/vue-uploader/blob/master/README_zh-CN.md#%E4%BA%8B%E4%BB%B6
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files.ignored = true // 本次选择的文件过滤掉
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} else {
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// 批量或单个选择的文件未超出剩余存储空间，正常上传
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this.filesLength += files.length
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files.forEach((file) => {
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this.dropBoxShow = false
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this.panelShow = true
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this.collapse = false
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this.computeMD5(file)
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})
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}
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},
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/**
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* 文件上传成功 回调函数
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* @param {object} rootFile 成功上传的文件所属的根 Uploader.File 对象，它应该包含或者等于成功上传文件
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* @param {object} file 当前成功的 Uploader.File 对象本身
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* @param {string} response 服务端响应内容，永远都是字符串
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*/
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handleFileSuccess(rootFile, file, response) {
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if (response == '') {
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file.statusStr = '上传失败'
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this.callback(false)
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return
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}
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let result = JSON.parse(response)
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console.log(`output->result`, result)
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if (result.success) {
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// this.dialogVisible = true;
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store.commit('changeCompareModal', true)
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store.commit('addCompareList', result.result)
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file.statusStr = ''
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if (this.filesLength === 1) {
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// 本次所有的文件均已上传完毕
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this.$message.success(`对比完毕`)
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// callType 调用此服务的方式：1 - 顶部栏，2 - 右键菜单
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// if (this.callType === 1) {
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// this.serviceEl.$emit('reloadPathTree')
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// //this.serviceEl.$emit('searchFileList')
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// } else {
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// this.serviceEl.$emit('reloadPathTree')
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// //this.serviceEl.getTableDataByType()
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// }
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//this.serviceEl.$store.dispatch('showStorage')
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this.callback(true)
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}
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} else {
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this.$message.error(result.message)
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file.statusStr = '上传失败'
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}
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this.filesLength--
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},
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/**
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* 文件上传失败 回调函数
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* @param {object} rootFile 成功上传的文件所属的根 Uploader.File 对象，它应该包含或者等于成功上传文件
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* @param {object} file 当前成功的 Uploader.File 对象本身
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* @param {string} response 服务端响应内容，永远都是字符串
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*/
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handleFileError(rootFile, file, response) {
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this.$message({
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message: response,
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type: 'error'
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})
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},
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/**
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* 计算md5，实现断点续传及秒传
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* @param {object} file 文件信息
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*/
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computeMD5(file) {
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let fileReader = new FileReader()
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let blobSlice =
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File.prototype.slice ||
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File.prototype.mozSlice ||
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File.prototype.webkitSlice
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let currentChunk = 0
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const chunkSize = 1 * 1024 * 1024
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let chunks = Math.ceil(file.size / chunkSize)
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let spark = new SparkMD5.ArrayBuffer()
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// 文件状态设为"计算MD5"
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file.statusStr = '计算MD5'
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file.pause()
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loadNext()
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fileReader.onload = (e) => {
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spark.append(e.target.result)
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if (currentChunk < chunks) {
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currentChunk++
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loadNext()
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// 实时展示MD5的计算进度
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file.statusStr = `校验MD5 ${((currentChunk / chunks) * 100).toFixed(
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0
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)}%`
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} else {
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let md5 = spark.end()
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this.calculateFileMD5End(md5, file)
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}
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}
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fileReader.onerror = function () {
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this.$notify({
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title: '错误',
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message: `文件${file.name}读取出错，请检查该文件`,
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type: 'error',
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duration: 2000
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})
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file.cancel()
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}
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function loadNext() {
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let start = currentChunk * chunkSize
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let end = start + chunkSize >= file.size ? file.size : start + chunkSize
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fileReader.readAsArrayBuffer(blobSlice.call(file.file, start, end))
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}
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},
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/**
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* 文件MD5计算结束
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* @param {string} md5 文件 MD5 值
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* @param {object} file 文件对象
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*/
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calculateFileMD5End(md5, file) {
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// 将自定义参数直接加载uploader实例的opts上
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Object.assign(this.uploaderInstance.opts, {
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query: {
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...this.params
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}
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})
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file.uniqueIdentifier = md5
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file.resume()
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// 移除自定义状态
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file.statusStr = ''
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},
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/**
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* 关闭上传面板，并停止上传
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*/
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handleClosePanel() {
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this.uploaderInstance.cancel()
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this.panelShow = false
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this.callback('cancel')
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}
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}
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}
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</script>
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<style lang="less" scoped>
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@import '~@assets/file/less/varibles.less';
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@import '~@assets/file/less/mixins.less';
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.upload-file-wrapper {
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position: fixed;
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z-index: 20;
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right: 16px;
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bottom: 16px;
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.drop-box {
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position: fixed;
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z-index: 19;
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top: 0;
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left: 0;
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border: 5px dashed #8091a5 !important;
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background: #ffffffd9;
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color: #8091a5 !important;
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text-align: center;
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box-sizing: border-box;
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height: 100%;
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line-height: 100%;
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width: 100%;
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.text {
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position: absolute;
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top: 50%;
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left: 50%;
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width: 100%;
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transform: translate(-50%, -50%);
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font-size: 30px;
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}
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.upload-icon {
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position: absolute;
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right: 176px;
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top: 16px;
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cursor: pointer;
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&:hover {
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color: @Primary;
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}
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}
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.delete-icon {
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position: absolute;
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right: 80px;
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top: 16px;
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cursor: pointer;
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&:hover {
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color: @Danger;
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}
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}
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.close-icon {
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position: absolute;
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right: 16px;
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top: 16px;
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cursor: pointer;
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&:hover {
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color: @Success;
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}
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}
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.paste-img-wrapper {
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width: 100%;
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height: 100%;
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}
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.paste-img {
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margin-top: 16px;
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max-width: 90%;
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max-height: 80%;
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}
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.paste-name {
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height: 24px;
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line-height: 24px;
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font-size: 18px;
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color: @PrimaryText;
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}
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}
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.uploader-app {
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width: 560px;
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}
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.file-panel {
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background-color: #fff;
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border: 1px solid #e2e2e2;
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border-radius: 7px 7px 0 0;
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box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
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.file-title {
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display: flex;
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height: 40px;
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line-height: 40px;
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padding: 0 15px;
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border-bottom: 1px solid #ddd;
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.title-span {
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padding-left: 0;
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margin-bottom: 0;
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font-size: 16px;
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.count {
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color: @SecondaryText;
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}
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}
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.operate {
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flex: 1;
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text-align: right;
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/deep/ .el-button--text {
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color: @PrimaryText;
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i[class^=el-icon-] {
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font-weight: 600;
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}
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&:hover {
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.el-icon-full-screen,
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.el-icon-minus {
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color: @Success;
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}
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.el-icon-close {
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color: @Danger;
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}
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}
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}
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}
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}
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.file-list {
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position: relative;
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height: 240px;
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overflow-x: hidden;
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overflow-y: auto;
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background-color: #fff;
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font-size: 12px;
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list-style: none;
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padding: 0px;
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.setScrollbar(6px, #EBEEF5, #C0C4CC);
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.file-item {
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position: relative;
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background-color: #fff;
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width: 558px;
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/deep/ .uploader-file {
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height: 40px;
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line-height: 40px;
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.uploader-file-progress {
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border: 1px solid @Success;
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border-right: none;
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border-left: none;
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background: #e1f3d8;
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}
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.uploader-file-name {
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width: 44%;
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}
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.uploader-file-size {
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width: 16%;
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}
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.uploader-file-meta {
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display: none;
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}
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.uploader-file-status {
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width: 30%;
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text-indent: 0;
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}
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.uploader-file-actions>span {
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margin-top: 12px;
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}
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}
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/deep/ .uploader-file[status='success'] {
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.uploader-file-progress {
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border: none;
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}
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}
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}
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.file-item.custom-status-item {
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/deep/ .uploader-file-status {
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visibility: hidden;
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}
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.custom-status {
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position: absolute;
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top: 0;
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right: 10%;
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width: 24%;
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height: 40px;
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line-height: 40px;
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}
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}
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}
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&.collapse {
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.file-title {
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background-color: #E7ECF2;
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}
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}
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}
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.no-file {
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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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font-size: 16px;
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}
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/deep/.uploader-file-icon {
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display: none;
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}
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/deep/.uploader-file-actions>span {
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margin-right: 6px;
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}
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}
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/* 隐藏上传按钮 */
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.select-file-btn {
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display: none;
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}
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</style>
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