这是我的问题,我有一个表单,我可以插入文件和字段,但我只收到文件,而不是参数test
!为什么呢?
这是我的代码:
app.js:
var express = require('express');
var bodyParser = require('body-parser');
var app = express();
var port = 8000;
var multer = require('multer'); // v1.0.5
var storage = multer.diskStorage({
destination: function (req, file, callback) {
callback(null, './uploads');
},
filename: function (req, file, callback) {
callback(null, file.originalname.substring(0,file.originalname.lastIndexOf('.')) + '-' + Date.now() + file.originalname.substring(file.originalname.lastIndexOf('.'),file.originalname.length));
}
});
var upload = multer({ storage : storage}).single('fileUpload');
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: true}));
app.post('/api/upload',function(req,res){
console.log(req.body);
upload(req,res,function(err) {
if(err) {
return res.end("Error uploading file.");
}
res.end("File is uploaded");
});
});
app.listen(port, function () {
console.log('Express server inizializzato sulla porta ' + port);
});
的index.html:
<html>
<head>
<title>Test upload</title>
</head>
<body>
<form name="form" action="http://localhost:8000/api/upload" method="post" enctype="multipart/form-data">
<input type="text" name="test" />
<input type="file" name="fileUpload" />
<input type="submit" value="invia" />
</form>
</body>
</html>
有人可以帮助我吗?
答案 0 :(得分:23)
2017年更新
请注意,req.body可能尚未完全填充。这取决于客户端将字段和文件传输到服务器的顺序。
我通过颠倒前端表单对象属性的顺序解决了我的问题:
var newFormObj = new FormData();
newFormObj.append('internalUserID', internalUserID);
newFormObj.append('listingImage', this.binaryImages[image]);
在后端:
var storage = multer.diskStorage({
destination: function (req, file, cb) {
console.log(req.body.internalUserID) // YAY, IT'S POPULATED
cb(null, 'listing-pics/')
},
filename: function (req, file, cb) {
cb(null, file.fieldname + '-' + Date.now())
}
});
var upload = multer({ storage: storage });
答案 1 :(得分:5)
我决定在帖子功能结束时移动req.body
:
app.post('/api/upload?:test',function(req,res){
upload(req,res,function(err) {
if(err) {
return res.end("Error uploading file.");
}
res.end("File is uploaded");
console.log(req.body);
});
});
如果有人能告诉我为什么我会乐于学习新事物!但是,就目前而言,我已经解决了!
答案 2 :(得分:4)