241 lines
6.6 KiB
Vue
241 lines
6.6 KiB
Vue
<template>
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<div class="upload-file">
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<el-upload :action="uploadFileUrl" :before-upload="handleBeforeUpload" :file-list="fileList" :limit="limit" :on-error="handleUploadError"
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:on-exceed="handleExceed" :on-success="handleUploadSuccess" :show-file-list="true" :data="data" :headers="headers" :drag="drag" ref="upload"
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:auto-upload="autoUpload">
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<!-- 拖拽上传文件 -->
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<i class="el-icon-upload" v-if="drag"></i>
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<div class="el-upload__text" v-if="drag">将文件拖到此处，或<em>点击上传</em></div>
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<!-- 选择文件按钮 -->
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<el-button size="mini" icon="el-icon-upload" v-if="!drag">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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<span v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </span>
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<span v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </span>
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的文件
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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 :key="file.uid" class="el-upload-list__item ele-upload-list__item-content" v-for="(file, index) in fileList">
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<el-link :href="`${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 @click="handleDelete(index)" type="danger">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: 1
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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', 'json']
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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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// 上传地址
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uploadUrl: {
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type: String,
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default: process.env.VUE_APP_UPLOAD_URL
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},
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// form 列名
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column: [String],
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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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// 是否拖拽
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drag: {
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type: Boolean,
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default: false
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},
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// 自动上传
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autoUpload: {
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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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baseUrl: process.env.VUE_APP_BASE_API,
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uploadFileUrl: process.env.VUE_APP_BASE_API + this.uploadUrl, // 上传的图片服务器地址
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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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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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uploadUrl: {
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handler(val) {
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this.uploadFileUrl = process.env.VUE_APP_BASE_API + val
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},
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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 && this.fileType.length > 0) {
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let fileExtension = ''
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if (file.name.lastIndexOf('.') > -1) {
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fileExtension = file.name.slice(file.name.lastIndexOf('.') + 1)
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}
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const isTypeOk = this.fileType.some((type) => {
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if (file.type.indexOf(type) > -1) return true
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if (fileExtension && fileExtension.indexOf(type) > -1) return true
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return false
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})
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if (!isTypeOk) {
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this.msgError(
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`文件格式不正确, 请上传${this.fileType.join('/')}格式文件!`
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)
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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.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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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.msgError(`上传文件数量不能超过 ${this.limit} 个!`)
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},
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// 上传失败
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handleUploadError(err) {
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this.msgError('上传失败, 请重试')
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this.fileList = []
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},
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// 上传成功回调
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handleUploadSuccess(res, file) {
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if (res.code != 200) {
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this.fileList = []
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this.msgError(`上传失败，原因:${res.msg}!`)
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return
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}
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this.msgSuccess('上传成功')
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this.fileList.push({
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name: res.data.fileName,
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url: res.data.url,
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path: res.data.path
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})
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this.$emit(
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'input',
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this.column,
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this.listToString(this.fileList),
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res.data
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)
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},
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// 删除文件
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handleDelete(index) {
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this.fileList.splice(index, 1)
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this.$emit('input', this.column, this.listToString(this.fileList))
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},
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// 获取文件名称
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getFileName(name) {
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if (name.lastIndexOf('/') > -1) {
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return name.slice(name.lastIndexOf('/') + 1).toLowerCase()
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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 (const 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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// 提交上传
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submitUpload() {
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console.log(this.fileList)
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this.$refs.upload.submit()
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}
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}
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}
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</script>
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<style scoped lang="scss">
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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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::v-deep .el-upload-dragger {
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width: 270px;
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height: 150px;
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}
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</style> |