<template>
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<div class="upload-container">
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<a :href="template.url" ref="template"></a>
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<div class="button-group">
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<el-upload
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style="float: left"
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ref="uploadFile"
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:max-size="maxSize"
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:on-change="clearMsg"
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:before-upload="beforeUpload"
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:action="url"
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>
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<el-button size="small"
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><i class="el-icon-folder-opened"></i>选择文件</el-button
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>
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</el-upload>
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<el-button
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v-if="template.url"
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style="margin-left: 10px"
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type="primary"
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size="small"
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@click="dowloadTemplate"
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:loading="loadingStatus"
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>
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<i class="el-icon-bottom"></i>
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下载模板</el-button
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>
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<el-button
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type="success"
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size="small"
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@click="upload"
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:loading="loadingStatus"
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>
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<i class="el-icon-top"></i>
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上传文件</el-button
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>
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</div>
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<div class="alert">
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<el-alert title="上传说明" type="warning" :closable="false" show-icon
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>只能上传excel文件,文件大小不超过{{ maxSize }}M</el-alert
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>
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</div>
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<div v-if="file">
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<h3>文件列表</h3>
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<div class="file-info">
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<span>文件名：{{ file.name }}</span>
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<span>大小{{ (file.size / 1024).toFixed(2) }}KB</span>
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</div>
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</div>
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<div v-show="message" class="v-r-message">
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<h3 class="title">上传结果</h3>
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<div class="text" :class="resultClass" v-html="message"></div>
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</div>
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<slot></slot>
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</div>
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</template>
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<script>
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//目前只支持单个Excel上传，其他功能开发中...
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export default {
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components: {},
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props: {
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url: {
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type: String,
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default: ''
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},
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template: {
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//下载模板配置
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type: Object,
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default: () => {
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return {
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url: '', //模板下载路径，如果没有模板路径，则不显示下载模板功能
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fileName: '未定义文件名' //下载模板的文件名
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};
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}
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},
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importExcelBefore: {
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type: Function,
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default: (file) => {
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return true;
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}
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}
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},
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data() {
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return {
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maxSize: 100,
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model: true,
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file: null,
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loadingStatus: false,
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message: '',
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resultClass: ''
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};
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},
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methods: {
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clearMsg() {
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this.message = '';
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},
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reset() {
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this.file = null;
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this.message = '';
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this.resultClass = '';
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},
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getFileType() {
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let fileName =
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this.file.name
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.split('.')
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.pop()
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.toLocaleLowerCase() || '';
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if (['numbers', 'csv', 'xls', 'xlsx'].indexOf(fileName) == -1) {
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this.$Message.error('只能选择excel文件');
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return false;
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}
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return true;
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},
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beforeUpload(file) {
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this.file = file;
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if (!this.getFileType()) {
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return false;
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}
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return false;
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},
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upload() {
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let _url = this.url;
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if (!_url) {
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return this.$Message.error('没有配置好Url');
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}
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if (!this.file) {
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return this.$Message.error('请选择文件');
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}
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var formData = new FormData();
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formData.append('fileInput', this.file);
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if (!this.importExcelBefore(formData)) {
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return;
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}
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this.loadingStatus = true;
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this.http.post(_url, formData).then(
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(x) => {
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// this.$refs.uploadFile.clearFiles();
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this.loadingStatus = false;
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this.file = null;
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if (x.status) {
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this.$emit('importExcelAfter', x);
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}
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this.message = x.message;
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this.resultClass = x.status ? 'v-r-success' : 'v-r-error';
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},
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(error) => {
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this.loadingStatus = false;
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}
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);
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},
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dowloadTemplate() {
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let url = this.template.url;
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let xmlResquest = new XMLHttpRequest();
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xmlResquest.open('GET', url, true);
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xmlResquest.setRequestHeader('Content-type', 'application/json');
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xmlResquest.setRequestHeader(
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'Authorization',
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this.$store.getters.getToken()
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);
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let fileName = this.template.fileName + '.xlsx';
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let elink = this.$refs.template;
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xmlResquest.responseType = 'blob';
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let $_vue = this;
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this.loadingStatus = true;
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xmlResquest.onload = function(oEvent) {
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$_vue.loadingStatus = false;
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if (xmlResquest.response.type == 'application/json') {
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return $_vue.message.error('未找到下载文件');
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}
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let content = xmlResquest.response;
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elink.download = fileName;
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let blob = new Blob([content]);
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elink.href = URL.createObjectURL(blob);
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elink.click();
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};
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xmlResquest.send();
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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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.upload-container {
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min-height: 270px !important;
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display: inline-block;
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width: 100%;
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padding: 10px;
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border: 1px dashed #989898;
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min-height: 250px;
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border-radius: 5px;
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.alert {
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margin-top: 12px;
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}
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.el-button-group > * {
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display: flex;
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}
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h3 {
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margin: 9px 0px;
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}
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.file-info > span {
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margin-right: 20px;
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}
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.v-r-message {
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margin-top: 10px;
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.title {
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margin-bottom: 2px;
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}
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> .text {
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font-size: 13px;
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}
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.v-r-success {
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color: #02b702;
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}
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.v-r-error {
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color: #dc0909;
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}
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}
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}
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</style>
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