ant-design/components/upload/index.en-US.md

category	type	title
Components	Data Entry	Upload

Upload file by selecting or dragging.

When To Use

Uploading is the process of publishing information (web pages, text, pictures, video, etc.) to a remote server via a web page or upload tool.

• When you need to upload one or more files.
• When you need to show the process of uploading.
• When you need to upload files by dragging and dropping.

API

You can consult jQuery-File-Upload about how to implement server side upload interface.

Property	Description	Type	Default
name	The name of uploading file	string	'file'
defaultFileList	Default list of files that have been uploaded.	object[]	-
fileList	List of files that have been uploaded (controlled). Here is a common issue #2423 when using it	object[]	-
action	Required. Uploading URL	string	-
data	Uploading params or function which can return uploading params.	object|function(file)	-
headers	Set request headers, valid above IE10.	object	-
showUploadList	Whether to show default upload list, could be an object to specify showPreviewIcon and showRemoveIcon individually	Boolean or { showPreviewIcon?: boolean, showRemoveIcon?: boolean }	true
multiple	Whether to support selected multiple file. IE10+ supported. You can select multiple files with CTRL holding down while multiple is set to be true	boolean	false
accept	File types that can be accepted. See input accept Attribute	string	-
beforeUpload	Hook function which will be executed before uploading. Uploading will be stopped with false or a rejected Promise returned. Warning：this function is not supported by old IE。	(file, fileList) => `boolean	Promise`
customRequest	override for the default xhr behavior allowing for additional customization and ability to implement your own XMLHttpRequest	Function	-
onChange	A callback function, can be executed when uploading state is changing. See onChange	Function	-
listType	Built-in stylesheets, support for two types: text or picture	string	'text'
onPreview	A callback function, will be executed when file link or preview icon is clicked.	Function(file)	-
onRemove	A callback function, will be executed when removing file button is clicked, remove event will be prevented when return value is false	Function(file): boolean	-
supportServerRender	Need to be turned on while the server side is rendering.	boolean	false
disabled	disable upload button	boolean	false
withCredentials	ajax upload with cookie sent	boolean	false

onChange

The function will be called when uploading is in progress, completed or failed

When uploading state change, it returns:

{
  file: { /* ... */ },
  fileList: [ /* ... */ ],
  event: { /* ... */ },
}

1. file File object for the current operation.

   {
      uid: 'uid',      // unique identifier，negative is recommend，to prevent interference with internal generated id
      name: 'xx.png'   // file name
      status: 'done',  // options：uploading, done, error, removed
      response: '{"status": "success"}',  // response from server
   }
   

   Before antd@1.9.0, this parameter will be Array Object [file, ...] in multiple mode, while in antd@1.9.0+, it will always be an Object.

2. fileList current list of files

3. event response from server, including uploading progress, supported by advanced browsers.

show download links

Please set property url of property fileList to control content of link

customRequest

• https://github.com/react-component/upload#customrequest

IE note

• https://github.com/react-component/upload#ie89-note