Install related dependencies and plugins
npm install xlsx
npm install file-saver script-loader
Place the following tool js files in your tool folder
/* eslint-disable */
require('script-loader!file-saver');
require('script-loader!xlsx/dist/xlsx.core.min');
function generateArray(table) {
var out = [];
var rows = table.querySelectorAll('tr');
var ranges = [];
for (var R = 0; R < rows.length; ++R) {
var outRow = [];
var row = rows[R];
var columns = row.querySelectorAll('td');
for (var C = 0; C < columns.length; ++C) {
var cell = columns[C];
var colspan = cell.getAttribute('colspan');
var rowspan = cell.getAttribute('rowspan');
var cellValue = cell.innerText;
if (cellValue !== "" && cellValue == +cellValue) cellValue = +cellValue;
//Skip ranges
ranges.forEach(function (range) {
if (R >= range.s.r && R <= range.e.r && outRow.length >= range.s.c && outRow.length <= range.e.c) {
for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null);
}
});
//Handle Row Span
if (rowspan || colspan) {
rowspan = rowspan || 1;
colspan = colspan || 1;
ranges.push({
s: {
r: R, c: outRow.length}, e: {
r: R + rowspan - 1, c: outRow.length + colspan - 1}});
}
;
//Handle Value
outRow.push(cellValue !== "" ? cellValue : null);
//Handle Colspan
if (colspan) for (var k = 0; k < colspan - 1; ++k) outRow.push(null);
}
out.push(outRow);
}
return [out, ranges];
};
function datenum(v, date1904) {
if (date1904) v += 1462;
var epoch = Date.parse(v);
return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
}
function sheet_from_array_of_arrays(data, opts) {
var ws = {
};
var range = {
s: {
c: 10000000, r: 10000000}, e: {
c: 0, r: 0}};
for (var R = 0; R != data.length; ++R) {
for (var C = 0; C != data[R].length; ++C) {
if (range.s.r > R) range.s.r = R;
if (range.s.c > C) range.s.c = C;
if (range.e.r < R) range.e.r = R;
if (range.e.c < C) range.e.c = C;
var cell = {
v: data[R][C]};
if (cell.v == null) continue;
var cell_ref = XLSX.utils.encode_cell({
c: C, r: R});
if (typeof cell.v === 'number') cell.t = 'n';
else if (typeof cell.v === 'boolean') cell.t = 'b';
else if (cell.v instanceof Date) {
cell.t = 'n';
cell.z = XLSX.SSF._table[14];
cell.v = datenum(cell.v);
}
else cell.t = 's';
ws[cell_ref] = cell;
}
}
if (range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range);
return ws;
}
function Workbook() {
if (!(this instanceof Workbook)) return new Workbook();
this.SheetNames = [];
this.Sheets = {
};
}
function s2ab(s) {
var buf = new ArrayBuffer(s.length);
var view = new Uint8Array(buf);
for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
return buf;
}
export function export_table_to_excel(id) {
var theTable = document.getElementById(id);
var oo = generateArray(theTable);
var ranges = oo[1];
/* original data */
var data = oo[0];
var ws_name = "SheetJS";
var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
/* add ranges to worksheet */
// ws['!cols'] = ['apple', 'banan'];
ws['!merges'] = ranges;
/* add worksheet to workbook */
wb.SheetNames.push(ws_name);
wb.Sheets[ws_name] = ws;
var wbout = XLSX.write(wb, {
bookType: 'xlsx', bookSST: false, type: 'binary'});
saveAs(new Blob([s2ab(wbout)], {
type: "application/octet-stream"}), "test.xlsx")
}
function formatJson(jsonData) {
console.log(jsonData)
}
export function export_json_to_excel(th, jsonData, defaultTitle) {
/* original data */
var data = jsonData;
data.unshift(th);
var ws_name = "SheetJS";
var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
/* add worksheet to workbook */
wb.SheetNames.push(ws_name);
wb.Sheets[ws_name] = ws;
var wbout = XLSX.write(wb, {
bookType: 'xlsx', bookSST: false, type: 'binary'});
var title = defaultTitle || '列表'
saveAs(new Blob([s2ab(wbout)], {
type: "application/octet-stream"}), title + ".xlsx")
}
Used in the page: binding method in the export button
export2Excel() {
require.ensure([], () => {
const {
export_json_to_excel} = require("../utills/Export2Excel");
const tHeader = ["日期", "姓名", "地址"]; //生成Excel表格的头部标题栏
const filterVal = ["date", "name", "address"]; //生成Excel表格的内容栏（根据自己的数据内容属性填写）
const list = this.tableData; //需要导出Excel的数据
const data = this.formatJson(filterVal, list);
export_json_to_excel(tHeader, data, "用户列表"); //这里可以定义你的Excel表的默认名称
});
},
formatJson(filterVal, jsonData) {
return jsonData.map(v => filterVal.map(j => v[j]));
}
Part of the complete vue file:
<template>
<div class="container">
<el-button type="primary" @click.native="export2Excel">导出Excel</el-button>
<el-table :data="tableData" style="width: 100%" :row-class-name="tableRowClassName">
<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>
export default {
props: {
},
data() {
return {
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 1518 弄'
}, {
date: '2016-05-01',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄',
}, {
date: '2016-05-03',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄'
}, ]
}
},
created() {
},
mounted() {
},
methods: {
tableRowClassName({
row, rowIndex}) {
if (rowIndex === 1) {
return 'warning-row';
} else if (rowIndex === 3) {
return 'success-row';
}
return '';
},
export2Excel() {
require.ensure([], () => {
const {
export_json_to_excel
} = require("../utills/Export2Excel");
const tHeader = ["日期", "姓名", "地址"]; //生成Excel表格的头部标题栏
const filterVal = ["date", "name", "address"]; //生成Excel表格的内容栏（根据自己的数据内容属性填写）
const list = this.tableData; //需要导出Excel的数据
const data = this.formatJson(filterVal, list);
export_json_to_excel(tHeader, data, "订单表"); //这里可以定义你的Excel表的默认名称
});
},
formatJson(filterVal, jsonData) {
return jsonData.map(v => filterVal.map(j => v[j]));
}
},
filters: {
}
}
</script>
<style lang="scss" scoped="">
</style>
Successfully implemented the function!