const express=require('express');
const bodyParser=require('body-parser');
const multer=require('multer');
const fs=require('fs');
const pathLib=require('path');
var objMulter=multer({dest: './www/upload/'}); //multer 解析post文件 multipart/form-data
var server=express();
//错误
//server.use(bodyParser.urlencoded({extended: false}));
server.use(objMulter.any());
server.post('/', function (req, res){
//新文件名
//'./www/upload/dfb33662df86c75cf4ea8197f9d419f9' + '.png'
var newName=req.files[0].path+pathLib.parse(req.files[0].originalname).ext;
fs.rename(req.files[0].path, newName, function (err){
if(err)
res.send('上传失败');
else
res.send('成功');
});
//1.获取原始文件扩展名
//2.重命名临时文件
});
server.listen(8080);