mirror of
https://github.com/ant-design/ant-design.git
synced 2024-12-29 03:48:26 +08:00
89 lines
4.4 KiB
Markdown
89 lines
4.4 KiB
Markdown
---
|
||
category: Components
|
||
type: Data Entry
|
||
title: 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 |
|
||
| -------- | ----------- | ---- | ------- |
|
||
| accept | File types that can be accepted. See [input accept Attribute](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file#accept) | string | - |
|
||
| action | Uploading URL | string\|(file) => `Promise` | - |
|
||
| directory | support upload whole directory ([caniuse](https://caniuse.com/#feat=input-file-directory)) | boolean | false |
|
||
| 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 in IE9**。 | (file, fileList) => `boolean | Promise` | - |
|
||
| customRequest | override for the default xhr behavior allowing for additional customization and ability to implement your own XMLHttpRequest | Function | - |
|
||
| data | Uploading params or function which can return uploading params. | object\|function(file) | - |
|
||
| defaultFileList | Default list of files that have been uploaded. | object\[] | - |
|
||
| disabled | disable upload button | boolean | false |
|
||
| fileList | List of files that have been uploaded (controlled). Here is a common issue [#2423](https://github.com/ant-design/ant-design/issues/2423) when using it | object\[] | - |
|
||
| headers | Set request headers, valid above IE10. | object | - |
|
||
| listType | Built-in stylesheets, support for three types: `text`, `picture` or `picture-card` | string | 'text' |
|
||
| 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 |
|
||
| name | The name of uploading file | string | 'file' |
|
||
| showUploadList | Whether to show default upload list, could be an object to specify `showPreviewIcon` and `showRemoveIcon` individually | Boolean or { showPreviewIcon?: boolean, showRemoveIcon?: boolean } | true |
|
||
| supportServerRender | Need to be turned on while the server side is rendering | boolean | false |
|
||
| withCredentials | ajax upload with cookie sent | boolean | false |
|
||
| openFileDialogOnClick | click open file dialog | boolean | true |
|
||
| onChange | A callback function, can be executed when uploading state is changing, see [onChange](#onChange) | Function | - |
|
||
| 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` or a Promise which resolve(false) or reject | Function(file): `boolean | Promise` | - |
|
||
|
||
### onChange
|
||
|
||
> The function will be called when uploading is in progress, completed or failed.
|
||
|
||
When uploading state change, it returns:
|
||
|
||
```js
|
||
{
|
||
file: { /* ... */ },
|
||
fileList: [ /* ... */ ],
|
||
event: { /* ... */ },
|
||
}
|
||
```
|
||
|
||
1. `file` File object for the current operation.
|
||
|
||
```js
|
||
{
|
||
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
|
||
linkProps: '{"download": "image"}', // additional html props of file link
|
||
}
|
||
```
|
||
|
||
2. `fileList` current list of files
|
||
3. `event` response from server, including uploading progress, supported by advanced browsers.
|
||
|
||
## FAQ
|
||
|
||
### How to implement upload server side?
|
||
|
||
- You can consult [jQuery-File-Upload](https://github.com/blueimp/jQuery-File-Upload/wiki#server-side) about how to implement server side upload interface.
|
||
- There is a mock example of [express](https://github.com/react-component/upload/blob/master/server.js) in rc-upload.
|
||
|
||
### I want to display download links.
|
||
|
||
Please set property `url` of each item in `fileList` to control content of link.
|
||
|
||
### How to use `customRequest`?
|
||
|
||
See <https://github.com/react-component/upload#customrequest>.
|
||
|
||
### IE8/9 Note
|
||
|
||
See <https://github.com/react-component/upload#ie89-note>.
|