https://segmentfault.com/a/1190000011424511
file元素的name=uploadExcel必须设置
建立public/files目录
const formidable = require('formidable');
const path = require('path');
var form = new formidable.IncomingForm();
var targetFile = path.join(__dirname,'../public/files');
form.uploadDir = targetFile;
form.parse(req,function(err,fields,files){});
获取方法
files.uploadExcel.path
解析excel
var xlsx = require('node-xlsx');
var obj = xlsx.parse(path);//配置excel文件的路径
var excelObj=obj[0].data;