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Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
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---
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order: 6
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iframe: 250
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title:
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zh-CN: 顶部公告
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en-US: Banner
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---
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## zh-CN
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页面顶部通告形式，默认有图标且`type` 为 'warning'。
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## en-US
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Display Alert as a banner at top of page.
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````jsx
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import { Alert } from 'antd';
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ReactDOM.render(
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<div>
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<Alert message="Warning text" banner />
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<br />
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<Alert message="Very long warning text warning text text text text text text text" banner closable />
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<br />
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<Alert showIcon={false} message="Warning text without icon" banner />
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<br />
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<Alert type="error" message="Error text" banner />
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</div>
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, mountNode);
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````
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