或者报错
export 'default' (imported as 'XLSX') was not found in 'xlsx' (possible exports: CFB, SSF, parse_xlscfb, parse_zip, read, readFile, readFileSync, set_cptable, set_fs, stream, utils, version, write, writeFile, writeFileAsync, writeFileSync, writeFileXLSX, writeXLSX)
解决方法: 将import引入 修改一下就可以了
// import XLSX from 'xlsx'
import * as XLSX from 'xlsx/xlsx.mjs'