mirror of
https://github.com/crmeb/CRMEB.git
synced 2026-10-29 22:10:49 +00:00
79 lines
2.6 KiB
JavaScript
79 lines
2.6 KiB
JavaScript
// +----------------------------------------------------------------------
|
||
// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
|
||
// +----------------------------------------------------------------------
|
||
// | Copyright (c) 2016~2023 https://www.crmeb.com All rights reserved.
|
||
// +----------------------------------------------------------------------
|
||
// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
|
||
// +----------------------------------------------------------------------
|
||
// | Author: CRMEB Team <admin@crmeb.com>
|
||
// +----------------------------------------------------------------------
|
||
|
||
import { saveAs } from 'file-saver';
|
||
import XLSX from 'xlsx';
|
||
|
||
function datenum(v, date1904) {
|
||
if (date1904) v += 1462;
|
||
let epoch = Date.parse(v);
|
||
return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
|
||
}
|
||
|
||
function data2ws(data) {
|
||
const ws = {};
|
||
const range = { s: { c: 10000000, r: 10000000 }, e: { c: 0, r: 0 } };
|
||
for (let R = 0; R !== data.length; ++R) {
|
||
for (let 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;
|
||
const cell = { v: data[R][C] };
|
||
if (cell.v == null) continue;
|
||
const cellRef = 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[cellRef] = 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) {
|
||
const buf = new ArrayBuffer(s.length);
|
||
const view = new Uint8Array(buf);
|
||
for (let i = 0; i !== s.length; ++i) view[i] = s.charCodeAt(i) & 0xff;
|
||
return buf;
|
||
}
|
||
|
||
/*
|
||
* th => 表头
|
||
* data => 数据
|
||
* fileName => 文件名
|
||
* fileType => 文件类型
|
||
* sheetName => sheet页名
|
||
*/
|
||
export default function toExcel({ th, data, fileName, fileType, sheetName }) {
|
||
data.unshift(th);
|
||
let wb = new Workbook();
|
||
let ws = data2ws(data);
|
||
sheetName = sheetName || 'sheet1';
|
||
wb.SheetNames.push(sheetName);
|
||
wb.Sheets[sheetName] = ws;
|
||
fileType = fileType || 'xlsx';
|
||
let wbout = XLSX.write(wb, { bookType: fileType, bookSST: false, type: 'binary' });
|
||
fileName = fileName || '列表';
|
||
saveAs(new Blob([s2ab(wbout)], { type: 'application/octet-stream' }), `${fileName}.${fileType}`);
|
||
}
|