form-data

问题 I am trying to upload files using Dropzone and send these files to java back end API from React JS. Here React is sending the document to express back end and adding some keys and then sending the final form data to back end java endpoint. But not able to get the files and request part in the back end side. The express is getting the wrong format of the data Appreciate any help. UploadMyFiles.jsx const UploadMyFiles = () => { const [selectedFiles, setSelectedFiles]= useState(null) const

问题 I received the file from the front-end no problem but then when I try to send it to another server, I get a "413 Request Entity Too Large" in the best case scenario. Does anyone have an idea what I'm doing wrong? I have also tried with axios... getting the same issue Thanks, Guys index.js app.use((req, res, next) => { res.setHeader('Access-Control-Allow-Origin', '*'); res.setHeader('Access-Control-Allow-Methods', 'GET, POST, DELETE, PUT, PATCH, OPTIONS'); res.setHeader('Access-Control-Allow

问题 I have written a React-component which should be used for all forms in my application. When a certain button is clicked I make some validation and finally I want to post the form to the server. This is what this part currently looks like: // get what should be submitted const formData = new FormData(theForm)); // theForm is the DOM-element // post the form-data element fetch(theForm.action, { credentials: "include", //pass cookies, for authentication method: theForm.method, headers: { "Accept

问题 I have a form that uses fetch() to AJAX with a route on NodeJS. When the AJAX POST hits the route, req.body shows an empty object {}. Here's the code: // in app.js app.use(bodyParser.json()); app.use(bodyParser.urlencoded({ extended: true })); // in form.js form.getElementById('form__option').addEventListener('submit', e => { e.preventDefault() const form = $('form')[0] fetch('/polls/create', { method: 'POST', body: new FormData(form) }) }) // in appRoute.js exports.createPost = (req, res,

问题 I have a form that uses fetch() to AJAX with a route on NodeJS. When the AJAX POST hits the route, req.body shows an empty object {}. Here's the code: // in app.js app.use(bodyParser.json()); app.use(bodyParser.urlencoded({ extended: true })); // in form.js form.getElementById('form__option').addEventListener('submit', e => { e.preventDefault() const form = $('form')[0] fetch('/polls/create', { method: 'POST', body: new FormData(form) }) }) // in appRoute.js exports.createPost = (req, res,

问题 I have a form that uses fetch() to AJAX with a route on NodeJS. When the AJAX POST hits the route, req.body shows an empty object {}. Here's the code: // in app.js app.use(bodyParser.json()); app.use(bodyParser.urlencoded({ extended: true })); // in form.js form.getElementById('form__option').addEventListener('submit', e => { e.preventDefault() const form = $('form')[0] fetch('/polls/create', { method: 'POST', body: new FormData(form) }) }) // in appRoute.js exports.createPost = (req, res,

问题 I have a form that uses fetch() to AJAX with a route on NodeJS. When the AJAX POST hits the route, req.body shows an empty object {}. Here's the code: // in app.js app.use(bodyParser.json()); app.use(bodyParser.urlencoded({ extended: true })); // in form.js form.getElementById('form__option').addEventListener('submit', e => { e.preventDefault() const form = $('form')[0] fetch('/polls/create', { method: 'POST', body: new FormData(form) }) }) // in appRoute.js exports.createPost = (req, res,

来源： https://stackoverflow.com/questions/41080211/react-native-formdata-upload-does-not-send-the-right-data

来源： https://stackoverflow.com/questions/41080211/react-native-formdata-upload-does-not-send-the-right-data

来源： https://stackoverflow.com/questions/41080211/react-native-formdata-upload-does-not-send-the-right-data