form-data

问题 I have created a front-end application in angular, and using HTTP service methods to send request to a server (containing node.js code). At front-end, I have created a csv file which is saved in the same directory of the angular component. I want to send the file to the server (containing node.js code) using HTTP service methods. I have created following code: Code of client side (front-end side), developed in angular.js: uploadCSVFileOnServer(){ let file = new File([""], "./abc.csv")); let

问题 When I try to make a request.post with form-data for attachments I am getting the following error. The error is coming from the form-data library. var filename = options.filename || value.name || value.path; ^ TypeError: Cannot read property 'name' of null This is what my form construction and appending looks like. I am basically attaching a JSON Web Token and an image file. var formData = new FormData(); formData.append('jwt', jwt); var imgToAttach = fs.createReadStream(path.join(__dirname,

问题 Postman formdata is working perfectly, but this returns following http 500 error. what is wrong with this block. Response {type: "default", status: 500, ok: false, statusText: undefined, headers: Headers, …}headers: Headers {map: {…}}ok: falsestatus: 500statusText: undefinedtype: "default"url: "http://cupdes.com/api/v1/create-user"_bodyInit: ""_bodyText: "" proto : Object "rtghj" import React, {Component} from 'react'; import {Platform, StyleSheet,View,Image,ScrollView,TextInput

问题 My view is HTML 5. I'm using FormData to make a AJAX 2 POST to a Servlet. Inside the servlet i'm trying to read request parameters. I can't see any parameters. However, Google Chrome Dev console shows the request payload. How can I get the same in Servlet code? Any help will be appreciated. Here's the code. JS code var xhr = new XMLHttpRequest(); var formData = new FormData(); formData.append('firstName', 'ABC'); formData.append('lastName', 'XYZ'); xhr.open("POST", targetLocation, true); xhr

问题 I have a basic messaging service on a web Node / Express web app, and I'm trying to submit the form via Ajax, using the FormData object. If I submit the form without AJAX, then everything works fine, but with AJAX the req.body. are all undefined. On the server, I need to look for the data somewhere other than req.body when using AJAX?? Creating the FormData object: var ajaxData = new FormData; ajaxData.append('newMessage', $('.new-message').val()) // I've console.logged these, and their

问题 What is the best practices in angularjs when submitting file without a submit button. Here is my sample code. <form method="post" enctype="multipart/form-data" action=""> <input type="file" name="file"> </form> I already tried using onchange, very useful also but what i want is after selecting a file it will make an ajax call (without submit button). 回答1: i have used ngpload module for it. ngpload please refer the document from the link this will definitely help you a lot 来源： https:/

问题 I am trying to convert JSON data as formURL encoded data but still, it isn't working. My HTTP post $http.post(API_ENDPOINT.login, credentials, { transformRequest: transformRequestAsFormPost }) My transform request 'use strict'; define(['app-module'], function(app) { $app.info('transformRequest initialized'); return app.factory('transformRequestAsFormPost', function() { function transformRequest(data, getHeaders) { var headers = getHeaders(); headers["Content-Type"] = "application/x-www-form

问题 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

问题 I have a view and serializer: class UserView(generics.RetrieveUpdateAPIView): model = get_user_model() serializer_class = UserProfileSerializer permission_classes = (permissions.IsAuthenticated,) def get_object(self, *args, **kwargs): return self.request.user class UserImageSerializer(serializers.ModelSerializer): class Meta: model = get_user_model() fields = ('image',) They work great with httpie: http -f put localhost:8000/accounts/api/image/ "Authorization: Token mytoken" image@~/Downloads

问题 I'm simply looking for a way to get all the values from a <form> . I searched the Web for a while, stumbling across FormData, which seems quite what I'm looking for. However its API is not available on any browser, so I need an alternative. What I need in my specific case is an object of key/value pairs. For example: <form> <input type="text" name="firstname" value="John" /> <input type="text" name="surname" value="doe" /> <input type="email" name="email" value="" /> <input type="radio" name=