javascript - Multer TypeError: fields.forEach is not a function -
i using multer in node.js express on c9, trying create metadata reader. i've searched quite time, , can't find has run error. error is:
typeerror: fields.foreach not function @ multer.setup (/home/ubuntu/workspace/node_modules/multer/index.js:29:12) @ multermiddleware (/home/ubuntu/workspace/node_modules/multer/lib/make-middleware.js:20:19) @ layer.handle [as handle_request] (/home/ubuntu/workspace/node_modules/express/lib/router/layer.js:95:5) @ next (/home/ubuntu/workspace/node_modules/express/lib/router/route.js:131:13) @ route.dispatch (/home/ubuntu/workspace/node_modules/express/lib/router/route.js:112:3) @ layer.handle [as handle_request] (/home/ubuntu/workspace/node_modules/express/lib/router/layer.js:95:5) @ /home/ubuntu/workspace/node_modules/express/lib/router/index.js:277:22 @ function.process_params (/home/ubuntu/workspace/node_modules/express/lib/router/index.js:330:12) @ next (/home/ubuntu/workspace/node_modules/express/lib/router/index.js:271:10) @ servestatic (/home/ubuntu/workspace/node_modules/express/node_modules/serve-static/index.js:74:16) and after trying submit file upload. assume means didn't install correctly, i've tried re-installing in few ways. looks up-to-date:
{ "name": "workspace", "version": "0.0.0", "private": true, "scripts": { "start": "node ./bin/www" }, "dependencies": { "body-parser": "^1.15.2", "cookie-parser": "~1.4.3", "debug": "~2.2.0", "express": "~4.13.4", "jade": "~1.11.0", "morgan": "~1.7.0", "multer": "^1.2.0", "serve-favicon": "~2.3.0" } } here code:
app.js
var express = require('express'); var app = express(); var path = require('path'); var multer = require('multer'); var upload = multer({ dest: __dirname + '/public/uploads/'}); var bodyparser = require('body-parser'); app.use(bodyparser.json()); app.use(express.static(path.join(__dirname, 'public'))); app.get('/', function (req, res) { res.sendfile(path.join(__dirname, 'index.html')); }); app.post('/file-upload', upload.fields('files'), function (req, res, next) { console.log(req.files); console.log(req.body); }); app.listen(process.env.port, function () { console.log('app listening on port ' + process.env.port ); }); and front end:
<!doctype html> <html> <head> <meta charset="utf-8"> <meta http-equiv="x-ua-compatible" content="ie=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <script src="https://code.jquery.com/jquery-2.1.4.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script> <html> <body> <div align='center'> <form method="post" enctype="multipart/form-data" action="/file-upload" name="upload"> <h1>upload file</h1> <input type="file" id="fileupload"></input> <h2>view metadata</h2> <button type="submit" value="submit" id="submit">submit</button> </form> </div> </body> </html> removing 'files' upload.fields() gives error
typeerror: cannot read property 'foreach' of undefined i trying upload single file, if use
app.post('/file-upload', upload.single('file'), function (req, res, next) { console.log(req.file); console.log(req.body); }); // or upload.single() my console outputs
undefined {} i'm hoping i'm missing simple. i've referenced of these topics, , haven't yet found solution has worked me:
express-multer-cannot-read-property-profileimage-of-undefined
multer-node-eacces-error-on-c9-io
was simple. found 5 minutes after posting. i'll leave here in case makes same mistake.
the problem in front end:
<input type="file" id="fileupload"></input> needed be
<input type="file" id="file"></input> 
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