技術標籤：vuevue.js

安裝相關依賴及外掛

npm install xlsx
npm install file-saver script-loader

將以下工具js檔案放置在自己的工具資料夾下

/* 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")
}

頁面中使用：在匯出按鈕繫結方法

export2Excel() {
	require.ensure([], () => {
		const {	export_json_to_excel} = require("../utills/Export2Excel");
		const tHeader = ["日期", "姓名", "地址"]; //生成Excel表格的頭部標題欄
		const filterVal = ["date", "name", "address"]; //生成Excel表格的內容欄（根據自己的資料內容屬性填寫）
		const list = this.tableData; //需要匯出Excel的資料
		const data = this.formatJson(filterVal, list);
		export_json_to_excel(tHeader, data, "使用者列表"); //這裡可以定義你的Excel表的預設名稱
	});
},
formatJson(filterVal, jsonData) {
	return jsonData.map(v => filterVal.map(j => v[j]));
}

完整vue檔案部分：

<template>
	<div class="container">
		<el-button type="primary" @click.native="export2Excel">匯出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: '上海市普陀區金沙江路 1518 弄',
				}, {
					date: '2016-05-04',
					name: '王小虎',
					address: '上海市普陀區金沙江路 1518 弄'
				}, {
					date: '2016-05-01',
					name: '王小虎',
					address: '上海市普陀區金沙江路 1518 弄',
				}, {
					date: '2016-05-03',
					name: '王小虎',
					address: '上海市普陀區金沙江路 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表格的頭部標題欄
					const filterVal = ["date", "name", "address"]; //生成Excel表格的內容欄（根據自己的資料內容屬性填寫）
					const list = this.tableData; //需要匯出Excel的資料
					const data = this.formatJson(filterVal, list);
					export_json_to_excel(tHeader, data, "訂單表"); //這裡可以定義你的Excel表的預設名稱
				});
			},
			formatJson(filterVal, jsonData) {
				return jsonData.map(v => filterVal.map(j => v[j]));
			}
		},
		filters: {}
	}
</script>

<style lang="scss" scoped="">
</style>

成功實現功能！