form-data

I saw other questions, but thats not what i want, i dont want to upload an image to a server, i dont want to convert to base64... I only want to post a file in a form data or something else and get the returned info. i have this, but has not work: void onTakePictureButtonPressed() { takePicture().then((String filePath) { if (mounted) { setState(() { imagePath = filePath; videoController?.dispose(); videoController = null; }); http.post('http://ip:8082/composer/predict', headers: { "Content-type": "multipart/form-data", }, body: { "image": filePath, }).then((response) { print("Response status:

Somehow my req.body is always empty, maybe you have an idea: here is my server code: const Express = require('express'); const bodyParser = require('body-parser'); const app = new Express(); app.use(bodyParser.urlencoded({ extended: true })); app.use(bodyParser.json()); app.post('/save', (req, res) => { console.log(req.body) // => {} res.send(req.body); }); const env = process.env.NODE_ENV || 'production'; app.listen(3000, err => { if (err) { return console.error(err); } console.info(`Server running on http://localhost:${port} [${env}]`); }); When I try to send formdata with javascript the req

I have been working with the HTML5 FormData object and I can't seem to figure out how to find what data it holds. I need to access it for debugging purposes. https://developer.mozilla.org/en-US/docs/Web/API/FormData 1 There are functions like FormData::get([name]); but I don't know the names. It would be nice to have something like the following: FormData::dumpData(); What is a good way to view all of the data in a FormData object? Update Here is an example of the FormData object: All the functions for FormData aren't available in all browsers by default. However, you can enable them in some.

I am trying to submit a form via ajax using the post method and a FormData object. Here is a simplified version of the JavaScript: var form=…; // form element var url=…; // action form['update'].onclick=function(event) { // button name="update" var xhr=new XMLHttpRequest(); xhr.open('post',url,true); xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); var formData=new FormData(form); formData.append('update', true); // makes no difference xhr.send(formData); xhr.onload=function() { alert(this.response); }; }; The form has: a button ( type="button" name="update" ) to run

I select 2 images and again I select 3 images second time before upload, the first two gets removed from input type file and last 3 images are still there. I know it's the default behavior of input type file, that it replaces the new files with new selected ones, but I want to keep all the files user selects multiple times before upload. How is it possible? I am using ajax and formdata. I have face same problem like you now i have found solution for that <input type="file" id="attachfile" name="replyFiles" multiple> <!--File Element for multiple intput--> <div id="#filelist"></div> <script>