mirror of
https://github.com/ant-design/ant-design.git
synced 2024-11-26 20:20:00 +08:00
31 lines
583 B
Markdown
31 lines
583 B
Markdown
# 限制用户上传的文件
|
|
|
|
- order: 7
|
|
|
|
可以通过 `beforeUpload` 在文件上传之前进行干预，如限制用户只能上传 JPG 文件。
|
|
|
|
---
|
|
|
|
````jsx
|
|
import { Upload, Button, Icon, message } from 'antd';
|
|
|
|
const props = {
|
|
action: '/upload.do',
|
|
beforeUpload(file) {
|
|
const isJPG = file.type === 'image/jpeg';
|
|
if (!isJPG) {
|
|
message.error('只能上传 JPG 文件哦！');
|
|
}
|
|
return isJPG;
|
|
}
|
|
};
|
|
|
|
ReactDOM.render(
|
|
<Upload {...props}>
|
|
<Button type="ghost">
|
|
<Icon type="upload" /> 点击上传
|
|
</Button>
|
|
</Upload>
|
|
, mountNode);
|
|
````
|