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34 lines
664 B
Markdown
34 lines
664 B
Markdown
# 文件列表限制
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- order: 3
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`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。
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---
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````jsx
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var Upload = antd.Upload;
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var props = {
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description: '支持扩展名为: .rar .zip ...',
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action: '/upload.do',
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data: {},
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accept: '',
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uploadTip: '',
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limit: 1,
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onStart(file){
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console.log(file.uid);
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}
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};
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React.render(
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<Upload {...props}>
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<button className="ant-btn ant-btn-ghost">
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<i className="anticon anticon-upload"></i> 点击上传，只支持一个文件
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</button>
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</Upload>,
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document.getElementById('components-upload-demo-limit')
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);
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````
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