问题描述
我正在尝试console.log使用强大输入在输入中键入的数字。我收到一个错误，提示TypeError: Cannot read property 'content-length' of undefined。我尝试将fs.readFile添加到代码中，但将无法正常工作。
这是我的app.js
const express = require('express');
const http = require('http');
const formidable = require('formidable');
const fs = require('fs');
const ejs = require('ejs');
const path = require('path');
const multer = require('multer');
const upload = multer({ dest: 'upload/'});
const type = upload.fields([{ name: 'gradeNumber',maxCount: 10 }]);
const app = express();
app.use(express.static(__dirname + '/public'));
app.set('view engine','ejs');
app.get('/fileupload',function (req,res) {
res.render("upload")
});
app.post('/fileupload',res) {
const form = new formidable.IncomingForm();
form.parse(function (err,fields,files) {
console.log(fields.gradeNumber);
const oldpath = files.filetoupload.path;
const newpath = 'C:/Users/Shubh Computer/Desktop/VSCode/Grades/1/' + files.filetoupload.name;
fs.rename(oldpath,newpath,function (err) {
if (err) throw err;
res.write('File uploaded and moved!');
res.end();
});
});
});
app.listen(3000);
upload.ejs
<!DOCTYPE html>
<html>
<head>
<title>Upload File</title>
</head>
<body>
<form action="fileupload" method="post" enctype="multipart/form-data">
<input type="file" name="filetoupload"><br>
<label>What Grade</label><input type="text" name="gradeNumber"><br>
<input type="submit">
</form>
</body>
</html>
我正在尝试使用名称“ gradeNumber”记录输入。如果有人可以帮助我，我将非常感激，因为对此我感到非常沮丧。
解决方法
form.parse（）方法中的“ req”参数被省略。
（方法）IncomingForm.parse（要求：IncomingMessage，回调？：（错误：任何，字段：字段，文件：文件）=>任何）：无效
尝试如下更改代码。
app.post('/fileupload',function (req,res) {
const form = new formidable.IncomingForm();
form.parse(req,function (err,fields,files) {
console.log(fields.gradeNumber);
const oldpath = files.filetoupload.path;
const newpath = 'C:/Users/Shubh Computer/Desktop/VSCode/Grades/1/' + files.filetoupload.name;
fs.rename(oldpath,newpath,function (err) {
if (err) throw err;
res.write('File uploaded and moved!');
res.end();
});
});
});