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

category	type	english
Components	Form Controls	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

Property	Description	Type	Default
name	Optional. The name of uploading file	String	file
defaultFileList	Optional. Default list of files that have been uploaded.	Array[Object]	-
fileList	Optional. List of files that have been uploaded.	Array[Object]	-
action	Required. Uploading URL	String	-
data	Optional. Uploading params or function which can return uploading params.	Object or function(file)	-
headers	Optional. Set request headers, valid above IE10.	Object	-
showUploadList	Optional. Whether to show uploadList.	Boolean	true
multiple	Optional. 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	Optional. File types that can be accepted. See input accept Attribute	String	-
beforeUpload	Optional. Hook function which takes an argument: the uploaded file, 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。	Function	-
onChange	Optional. A callback function, can be executed when uploading state is changing. See onChange	Function	-
listType	Optional. Built-in stylesheets, support for two types: text or picture	String	'text'
onPreview	A callback function, will be executed when file link is clicked.	Function(file)	-
onRemove	A callback function, will be executed when removing file button is clicked	Function(file)	-
supportServerRender	Need to be turned on while the server side is rendering.	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
   }
   

   If multiple files are uploaded, this parameter will be Array Object [file, ...]

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

IE note

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