4.5 KiB
4.5 KiB
category | type | title | cover |
---|---|---|---|
Components | Data Entry | Upload | https://gw.alipayobjects.com/zos/alicdn/QaeBt_ZMg/Upload.svg |
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 | Version |
---|---|---|---|---|
accept | File types that can be accepted. See input accept Attribute | string | - | |
action | Uploading URL | string|(file) => Promise |
- | |
method | http method of upload request | string | 'post' | 1.5.0 |
directory | support upload whole directory (caniuse) | 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) | - | |
disabled | disable upload button | boolean | false | |
fileList | List of files that have been uploaded (controlled). Here is a common issue #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' | |
previewFile | Customize preview file logic | (file: File | Blob) => Promise<dataURL: string> | - | 1.5.0 |
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 | |
remove | 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` | - |
transformFile | Customize transform file before request | Function(file): `string | Blob | File |
events
Events Name | Description | Arguments | Version |
---|---|---|---|
change | A callback function, can be executed when uploading state is changing. See change | Function | - |
preview | A callback function, will be executed when file link or preview icon is clicked. | Function(file) | - |
download | Click the method to download the file, pass the method to perform the method logic, do not pass the default jump to the new TAB. | Function(file): void | Jump to new TAB |
reject | A callback function, will be executed when drop files is not accept. | Function(fileList) | - |
change
The function will be called when uploading is in progress, completed or failed
When uploading state change, it returns:
{
file: { /* ... */ },
fileList: [ /* ... */ ],
event: { /* ... */ },
}
-
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 linkProps: '{"download": "image"}', // additional html props of file link xhr: 'XMLHttpRequest{ ... }', // XMLHttpRequest Header }
-
fileList
current list of files -
event
response from server, including uploading progress, supported by advanced browsers.