安装依赖

npm install file-saver --save
npm install xlsx@0.17.0 --save

html

<template>
    <div id="app">
        <el-button type="primary" @click="exportExcel('表格下载','table')">下载</el-button>
        <el-table :data="tableData" stripe style="width: 100%" id="table">
            <el-table-column prop="date" label="日期" width="180">
            </el-table-column>
            <el-table-column prop="name" label="姓名" width="180">
            </el-table-column>
            <el-table-column prop="address" label="地址">
            </el-table-column>
        </el-table>

    </div>
</template>

js

<script>
    import FileSaver from 'file-saver'
    import XLSX from 'xlsx'
    import {Message} from 'element-ui'
    export default {
        name: 'app',
        data() {
            return {
                msg: 'hello word',
                tableData: [{
                    date: '2016-05-02',
                    name: '王小虎',
                    address: '上海市普陀区金沙江路 1518 弄'
                }, {
                    date: '2016-05-04',
                    name: '王小虎',
                    address: '上海市普陀区金沙江路 1517 弄'
                }, {
                    date: '2016-05-01',
                    name: '王小虎',
                    address: '上海市普陀区金沙江路 1519 弄'
                }, {
                    date: '2016-05-03',
                    name: '王小虎',
                    address: '上海市普陀区金沙江路 1516 弄'
                }]
            }
        },
        methods: {
            exportExcel(name, id) {
                var wb = XLSX.utils.table_to_book(document.querySelector('#' + id))
                var wbout = XLSX.write(wb, {
                    bookType: 'xlsx',
                    bookSST: true,
                    type: 'array'
                })
                try {
                    FileSaver.saveAs(new Blob([wbout], {
                        type: 'application/octet-stream'
                    }), name + '.xlsx')
                    Message.success('导出成功！')
                } catch (e) {
                    if (typeof console !== 'undefined') console.log(e, wbout)
                    Message.warning("导出失败！")
                }
                return wbout
            }

        },
    }
</script>

完整代码

<template>
    <div id="app">
        <el-button type="primary" @click="exportExcel('表格下载','table')">下载</el-button>
        <el-table :data="tableData" stripe style="width: 100%" id="table">
            <el-table-column prop="date" label="日期" width="180">
            </el-table-column>
            <el-table-column prop="name" label="姓名" width="180">
            </el-table-column>
            <el-table-column prop="address" label="地址">
            </el-table-column>
        </el-table>

    </div>
</template>

<script>
    import FileSaver from 'file-saver'
    import XLSX from 'xlsx'
    import {Message} from 'element-ui'
    export default {
        name: 'app',
        data() {
            return {
                msg: 'hello word',
                tableData: [{
                    date: '2016-05-02',
                    name: '王小虎',
                    address: '上海市普陀区金沙江路 1518 弄'
                }, {
                    date: '2016-05-04',
                    name: '王小虎',
                    address: '上海市普陀区金沙江路 1517 弄'
                }, {
                    date: '2016-05-01',
                    name: '王小虎',
                    address: '上海市普陀区金沙江路 1519 弄'
                }, {
                    date: '2016-05-03',
                    name: '王小虎',
                    address: '上海市普陀区金沙江路 1516 弄'
                }]
            }
        },
        methods: {
            exportExcel(name, id) {
                var wb = XLSX.utils.table_to_book(document.querySelector('#' + id))
                var wbout = XLSX.write(wb, {
                    bookType: 'xlsx',
                    bookSST: true,
                    type: 'array'
                })
                try {
                    FileSaver.saveAs(new Blob([wbout], {
                        type: 'application/octet-stream'
                    }), name + '.xlsx')
                    Message.success('导出成功！')
                } catch (e) {
                    if (typeof console !== 'undefined') console.log(e, wbout)
                    Message.warning("导出失败！")
                }
                return wbout
            }

        },
    }
</script>

<style>
    #app {
        font-family: 'Avenir', Helvetica, Arial, sans-serif;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        /* text-align: center; */
        color: #2c3e50;
        margin-top: 60px;
    }
</style>

image.png

image.png