2024-12-25 17:03:45 +08:00
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// // 新建 @/utils/excel.ts
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//
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// import saveAs from 'file-saver'; // https://www.npmjs.com/package/file-saver
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// import ExcelJS from 'exceljs'; // https://github.com/exceljs/exceljs/blob/master/README_zh.md
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// import * as XLSX from 'xlsx'; // https://www.npmjs.com/package/xlsx
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// import { Message } from '@arco-design/web-vue'; // https://arco.design/vue/component/message
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// import { FileItem } from '@arco-design/web-vue/es/upload/interfaces'; // arco类型
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//
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// export interface DownloadExcelPrams {
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// columns: { title: string; key: string }[];
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// rows: object[];
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// name: string;
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// }
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//
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// // 导出下载文件
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// export function downloadExcel({
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// columns,
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// rows,
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// name = '未命名文件',
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// }: DownloadExcelPrams) {
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// const workbook = new ExcelJS.Workbook();
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// workbook.creator = 'Start-front';
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// workbook.lastModifiedBy = 'Start-front';
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// workbook.created = new Date(1985, 8, 30);
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// workbook.modified = new Date();
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// workbook.lastPrinted = new Date(2016, 9, 27);
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//
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// // 将工作簿添加一个sheet页sheet1
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// const sheet1 = workbook.addWorksheet(name);
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// // 表头数据添加
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// sheet1.columns = columns.map((item) => ({
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// header: item.title,
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// key: item.key,
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// width: 20,
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// }));
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// // 表格内容添加
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// rows.map((item) => sheet1.addRow(item));
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// workbook.xlsx.writeBuffer().then((buffer) => {
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// saveAs(
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// new Blob([buffer], { type: 'application/octet-stream' }),
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// `${name}.xlsx`
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// );
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// });
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// }
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//
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// // 读取文件为json格式
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// export function readExcle(fileItem: FileItem) {
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// return new Promise((resove, reject) => {
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// try {
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// let workbook: XLSX.Sheet;
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// const reader = new FileReader();
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// reader.readAsBinaryString(fileItem.file as File); // 发起异步请求
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// reader.onload = function (ev) {
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// const data = ev.target?.result;
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// workbook = XLSX.read(data, { type: 'binary' });
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// const sheetNames = workbook.SheetNames; // 工作表名称集合
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// sheetNames.forEach((name: string) => {
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// const worksheet = workbook.Sheets[name]; // 只能通过工作表名称来获取指定工作表
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// const jsonres = XLSX.utils.sheet_to_json(worksheet);
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// resove(jsonres);
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// });
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// }; // onload
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// } catch (error) {
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// Message.error('读取失败,请选择正确文件');
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// reject(error);
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// }
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// });
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// }
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