What is Angular FormData?
The FormData API allows you to create a set of key/value elements that correspond to form fields and their values. This can be sent to the server using Angular HttpClient. Note: An instance of FormData is equivalent to an HTML form submitted with multipart/form-data encoding.
Table of Contents
How do I upload multiple images to ionic?
Steps to use this repository.
- cd load-multiple-image-files-in-Ionic-3-4.
- npm install.
- cordova ionic platform add android for android.
- cordova ionic platform add ios for ios.
- In src/pages/home/home. ts there is a function called uploadImageAndFile(). You have a variable called url and your API url in there.
How do I use FormData in angular 11?
These are the methods available on FormData objects:
- append() : Used to add a key-value pair to the object.
- delete() : used to delete a key-value pair,
- entries() : returns an Iterator object that you can use to iterate through the list of key value pairs in the object,
- get() : used to return the value of a key.
What does reorderfiles do in ionic uploader?
The reorderFiles method is only used to reorder the list showing the files that have been uploaded. We make sure to move the files in the uploader queue so that the reordering changes are reflected in the actual files that will be uploaded.
How to upload an image file to ionic server?
This tutorial shows you how to upload file to server in Ionic 3 and Cordova using Ionic’s native file transfer plugin. You can store any type of file on the server depending on the file types allowed by the server, but this time we’ll use an image file that was taken from the device’s camera or document folder.
Why do we need a formdata object in ionic?
Manually creating this FormData object essentially mimics the way data would be sent through a standard if its encoding type was set to multipart/form-data. This allows us to programmatically assemble all the data we want to send into a set of key/value pairs.
What do we need in ionic 3 and Cordova apps?
What we need in our Ionic 3 and Cordova apps is the feature to fetch or grab an image file and then send or upload it to the server. To achieve this, we use the combination of camera, file and file transfer plugin. All that plugin are native Ionic plugins.