el-upload怎样上传Excel文件

elemetUi 组件--el-upload实现上传Excel文件的实例

【需求】实现上传Excel文件，在上传到服务器时，还要附加一个参数，在请求上传文件接口前，先要进行文件格式判断。

【知识点】

??1、el-upload 官方文档中，主要用到了以下属性：

??2、split进行字符串截取

【分析】

<template>
 <p class="panel admin-panel">
 <p class="panel-head" id="add"><strong><span class="el-icon-edit"></span><span class="title">上传数据</span></strong></p>
 <p class="body-content">
 <el-form :model="ruleForm" ref="ruleForm" label-width="100px" class="form uploadform">
 <el-form-item label="部门" prop="name">
 <el-select v-model="form.type" placeholder="请选择" style="width: 135px">
 <el-option
 v-for="item in options"
 :key="item.value"
 :label="item.label"
 :value="item.value">
 </el-option>
 </el-select>
 </el-form-item>
 <el-form-item>
 <el-upload
 class="upload-demo"
 ref="upload"
 action="http://10.1.20.218:8088/gnh-webadmin-platfrom/api/v1/sendSalaryBillGeinihua"
 :on-preview="handlePreview"
 :before-upload="beforeAvatarUpload"
 :on-remove="handleRemove"
 :file-list="fileList"
 :auto-upload = 'false'
 :on-success = 'handleSuccess'
 :data="form"
 name="salaryBill">
 <el-button slot="trigger" size="small" type="primary">选取文件</el-button>
 <el-button style="margin-left: 10px;" size="small" type="success" @click="submitUpload">上传到服务器</el-button>
 <p slot="tip" class="el-uploadtip">只能上传xls/xlsx文件</p>
 </el-upload>
 </el-form-item>
 </el-form>
 </p>
 </p>
</template>
<script>
 export default {
 data() {
 return {
 options: [{
 value: '1',
 label: '帅哥部'
 }, {
 value: '2',
 label: '美女部'
 }],
 fileName:'',
 fileList:[],
 ruleForm: {
// name: '',
 isShow: '0'
 },
 form:{
 type:'1'
 },
 };
 },
 methods: {
 submitUpload() {
 this.$refs.upload.submit();
 },
 beforeAvatarUpload(file) {
 let Xls = file.name.split('.');
 if(Xls[1] === 'xls'||Xls[1] === 'xlsx'){
 return file
 }else {
 this.$message.error('上传文件只能是 xls/xlsx 格式!')
 return false
 }
 },
 handleRemove(file, fileList) {
 },
 handlePreview(file) {
 },
 handleSuccess(res,file,fileList){
 if(res.code===20000){
 this.$message({
 message: '上传成功！',
 type: 'success'
 });
 }else {
 this.$message({
 message: res.msg,
 type: 'error'
 });
 }
 }
 }
 }
</script>
<style scope>
 input[type="file"] {
 display: none;
 }
 .el-upload-list{
 width: 200px;
 }
 .el-select {
 width: 135px;
 }
</style>

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