244 lines
6.8 KiB
Vue
244 lines
6.8 KiB
Vue
<template>
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<div class="upload-file">
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<el-upload
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ref="fileUpload"
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:accept="suffixArr.join(',')"
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:action="baseUrl+uploadFileUrl"
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:before-upload="handleBeforeUpload"
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:file-list="fileList"
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:headers="headers"
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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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class="upload-file-uploader"
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:multiple="multiple"
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>
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<!-- 上传按钮 -->
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<el-button size="mini" type="default" icon="el-icon-upload2">选取文件</el-button>
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<!-- 上传提示 -->
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<div v-if="showTip" slot="tip" class="el-upload__tip">
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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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<span style="color: #999;">支持扩展名：{{ suffixArr.join(' ') }}...</span>
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</div>
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</el-upload>
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<!-- 文件列表 -->
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<transition-group class="upload-file-list el-upload-list el-upload-list--text" name="el-fade-in-linear" tag="ul">
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<li v-for="(file, index) in fileList" :key="file.url" class="el-upload-list__item ele-upload-list__item-content">
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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) }} </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" type="danger" @click="handleDelete(index)">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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<script>
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import { getToken } from '@/utils/auth'
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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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// 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', 'xls', 'ppt', 'txt', 'pdf', 'apk']
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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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uploadFileUrl: {
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type: String,
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default: () => '/system/oss/zip/upload'
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},
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multiple: {
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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 + '/common/upload', // 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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watch: {
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value: {
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handler (val) {
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if (val) {
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console.log(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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suffixArr() {
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return this.fileType.map(item => {
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return `.${item}`
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})
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}
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},
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methods: {
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// 上传前校检格式和大小
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handleBeforeUpload (file) {
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// 校检文件类型
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if (this.fileType) {
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const fileName = file.name.split('.')
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const fileExt = fileName[fileName.length - 1]
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const isTypeOk = this.fileType.indexOf(fileExt.toLocaleUpperCase()) >= 0 || this.fileType.indexOf(fileExt.toLocaleLowerCase()) >= 0
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if (!isTypeOk) {
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this.$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.$modal.closeLoading()
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},
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// 上传成功回调
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handleUploadSuccess (res, file) {
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if (res.code === 200) {
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const { data } = res;
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data.name = data.url;
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this.uploadList.push(data)
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this.uploadedSuccessfully()
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} else {
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this.number--
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this.$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.$emit('input', this.listToString(this.fileList))
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this.$emit('change', this.fileList)
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this.$emit('getSize', this.fileList)
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},
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// 上传结束处理
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uploadedSuccessfully () {
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if (this.number > 0 && this.uploadList.length === this.number) {
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this.fileList = this.fileList.concat(this.uploadList)
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this.uploadList = []
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this.number = 0
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this.$emit('input', this.listToString(this.fileList))
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this.$emit('change', this.fileList)
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this.$emit('getSize', 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(file) {
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const {name, originalName} = file;
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if (originalName) return originalName;
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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 ''
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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
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}
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return strs != '' ? strs : ''
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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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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