ant-design/components/upload/demo/limit.md

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2015-08-31 12:13:55 +08:00
# 文件列表限制
- order: 3
`limit` 属性控制文件列表数的上限。如设为 1 时,表示只能上传一个文件,新文件会顶掉旧文件。
---
````jsx
var Upload = antd.Upload;
var props = {
description: '支持扩展名为: .rar .zip ...',
action: '/upload.do',
data: {},
accept: '',
uploadTip: '',
limit: 1,
onStart(file){
console.log(file.uid);
}
};
React.render(
<Upload {...props}>
<button className="ant-btn ant-btn-ghost">
<i className="anticon anticon-upload"></i> 点击上传,只支持一个文件
</button>
</Upload>,
document.getElementById('components-upload-demo-limit')
);
````