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+<template>
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+ <div class="upload-file">
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+ <el-upload
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+ multiple
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+ :action="uploadFileUrl"
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+ :before-upload="handleBeforeUpload"
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+ :file-list="fileList"
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+ :data="data"
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+ :limit="limit"
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+ :on-error="handleUploadError"
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+ :on-exceed="handleExceed"
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+ :on-success="handleUploadSuccess"
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+ :show-file-list="false"
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+ :headers="headers"
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+ class="upload-file-uploader"
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+ ref="fileUpload"
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+ v-if="!disabled"
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+ >
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+ <!-- 上传按钮 -->
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+ <el-button size="mini" type="primary">选取文件</el-button>
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+ <!-- 上传提示 -->
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+ <div class="el-upload__tip" slot="tip" v-if="showTip">
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+ 请上传
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+ <template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </template>
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+ <template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </template>
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+ 的文件
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+ </div>
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+ </el-upload>
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+
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+ <!-- 文件列表 -->
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+ <transition-group ref="uploadFileList" class="upload-file-list el-upload-list el-upload-list--text" name="el-fade-in-linear" tag="ul">
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+ <li :key="file.url" class="el-upload-list__item ele-upload-list__item-content" v-for="(file, index) in fileList">
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+ <el-link :href="`${baseUrl}${file.url}`" :underline="false" target="_blank">
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+ <span class="el-icon-document"> {{ getFileName(file.name) }} </span>
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+ </el-link>
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+ <div class="ele-upload-list__item-content-action">
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+ <el-link :underline="false" @click="handleDelete(index)" type="danger" v-if="!disabled">删除</el-link>
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+ </div>
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+ </li>
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+ </transition-group>
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+ </div>
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+</template>
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+
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+<script>
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+import { getToken } from "@/utils/auth"
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+import Sortable from 'sortablejs'
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+
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+export default {
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+ name: "FileUpload",
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+ props: {
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+ // 值
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+ value: [String, Object, Array],
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+ // 上传接口地址
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+ action: {
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+ type: String,
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+ default: "/common/upload"
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+ },
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+ // 上传携带的参数
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+ data: {
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+ type: Object
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+ },
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+ // 数量限制
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+ limit: {
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+ type: Number,
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+ default: 5
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+ },
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+ // 大小限制(MB)
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+ fileSize: {
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+ type: Number,
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+ default: 5
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+ },
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+ // 文件类型, 例如['png', 'jpg', 'jpeg']
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+ fileType: {
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+ type: Array,
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+ default: () => ["doc", "docx", "xls", "xlsx", "ppt", "pptx", "txt", "pdf"]
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+ },
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+ // 是否显示提示
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+ isShowTip: {
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+ type: Boolean,
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+ default: true
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+ },
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+ // 禁用组件（仅查看文件）
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+ disabled: {
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+ type: Boolean,
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+ default: false
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+ },
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+ // 拖动排序
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+ drag: {
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+ type: Boolean,
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+ default: true
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+ }
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+ },
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+ data() {
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+ return {
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+ number: 0,
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+ uploadList: [],
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+ baseUrl: process.env.VUE_APP_BASE_API,
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+ uploadFileUrl: process.env.VUE_APP_BASE_API + this.action, // 上传文件服务器地址
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+ headers: {
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+ Authorization: "Bearer " + getToken(),
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+ },
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+ fileList: []
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+ }
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+ },
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+ mounted() {
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+ if (this.drag && !this.disabled) {
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+ this.$nextTick(() => {
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+ const element = this.$refs.uploadFileList?.$el || this.$refs.uploadFileList
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+ Sortable.create(element, {
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+ ghostClass: 'file-upload-darg',
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+ onEnd: (evt) => {
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+ const movedItem = this.fileList.splice(evt.oldIndex, 1)[0]
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+ this.fileList.splice(evt.newIndex, 0, movedItem)
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+ this.$emit("input", this.listToString(this.fileList))
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+ }
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+ })
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+ })
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+ }
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+ },
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+ watch: {
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+ value: {
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+ handler(val) {
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+ if (val) {
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+ let temp = 1
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+ // 首先将值转为数组
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+ const list = Array.isArray(val) ? val : this.value.split(',')
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+ // 然后将数组转为对象数组
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+ this.fileList = list.map(item => {
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+ if (typeof item === "string") {
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+ item = { name: item, url: item }
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+ }
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+ item.uid = item.uid || new Date().getTime() + temp++
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+ return item
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+ })
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+ } else {
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+ this.fileList = []
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+ return []
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+ }
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+ },
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+ deep: true,
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+ immediate: true
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+ }
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+ },
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+ computed: {
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+ // 是否显示提示
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+ showTip() {
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+ return this.isShowTip && (this.fileType || this.fileSize)
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+ },
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+ },
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+ methods: {
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+ // 上传前校检格式和大小
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+ handleBeforeUpload(file) {
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+ // 校检文件类型
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+ if (this.fileType) {
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+ const fileName = file.name.split('.')
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+ const fileExt = fileName[fileName.length - 1]
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+ const isTypeOk = this.fileType.indexOf(fileExt) >= 0
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+ if (!isTypeOk) {
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+ this.$modal.msgError(`文件格式不正确，请上传${this.fileType.join("/")}格式文件!`)
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+ return false
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+ }
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+ }
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+ // 校检文件名是否包含特殊字符
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+ if (file.name.includes(',')) {
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+ this.$modal.msgError('文件名不正确，不能包含英文逗号!')
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+ return false
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+ }
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+ // 校检文件大小
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+ if (this.fileSize) {
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+ const isLt = file.size / 1024 / 1024 < this.fileSize
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+ if (!isLt) {
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+ this.$modal.msgError(`上传文件大小不能超过 ${this.fileSize} MB!`)
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+ return false
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+ }
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+ }
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+ this.$modal.loading("正在上传文件，请稍候...")
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+ this.number++
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+ return true
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+ },
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+ // 文件个数超出
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+ handleExceed() {
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+ this.$modal.msgError(`上传文件数量不能超过 ${this.limit} 个!`)
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+ },
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+ // 上传失败
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+ handleUploadError(err) {
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+ this.$modal.msgError("上传文件失败，请重试")
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+ this.$modal.closeLoading()
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+ },
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+ // 上传成功回调
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+ handleUploadSuccess(res, file) {
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+ if (res.code === 200) {
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+ this.uploadList.push({ name: res.fileName, url: res.fileName })
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+ this.uploadedSuccessfully()
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+ } else {
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+ this.number--
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+ this.$modal.closeLoading()
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+ this.$modal.msgError(res.msg)
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+ this.$refs.fileUpload.handleRemove(file)
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+ this.uploadedSuccessfully()
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+ }
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+ },
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+ // 删除文件
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+ handleDelete(index) {
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+ this.fileList.splice(index, 1)
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+ this.$emit("input", this.listToString(this.fileList))
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+ },
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+ // 上传结束处理
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+ uploadedSuccessfully() {
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+ if (this.number > 0 && this.uploadList.length === this.number) {
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+ this.fileList = this.fileList.concat(this.uploadList)
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+ this.uploadList = []
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+ this.number = 0
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+ this.$emit("input", this.listToString(this.fileList))
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+ this.$modal.closeLoading()
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+ }
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+ },
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+ // 获取文件名称
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+ getFileName(name) {
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+ // 如果是url那么取最后的名字 如果不是直接返回
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+ if (name.lastIndexOf("/") > -1) {
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+ return name.slice(name.lastIndexOf("/") + 1)
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+ } else {
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+ return name
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+ }
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+ },
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+ // 对象转成指定字符串分隔
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+ listToString(list, separator) {
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+ let strs = ""
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+ separator = separator || ","
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+ for (let i in list) {
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+ strs += list[i].url + separator
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+ }
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+ return strs != '' ? strs.substr(0, strs.length - 1) : ''
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+ }
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+ }
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+}
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+</script>
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+
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+<style scoped lang="scss">
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+.file-upload-darg {
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+ opacity: 0.5;
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+ background: #c8ebfb;
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+}
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+.upload-file-uploader {
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+ margin-bottom: 5px;
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+}
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+.upload-file-list .el-upload-list__item {
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+ border: 1px solid #e4e7ed;
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+ line-height: 2;
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+ margin-bottom: 10px;
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+ position: relative;
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+}
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+.upload-file-list .ele-upload-list__item-content {
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+ display: flex;
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+ justify-content: space-between;
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+ align-items: center;
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+ color: inherit;
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+}
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+.ele-upload-list__item-content-action .el-link {
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+ margin-right: 10px;
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+}
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+</style>
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wangmengwei