2020-08-22 22:02:20 +08:00
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---
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category: Components
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2022-11-09 12:28:04 +08:00
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group: Data Display
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2020-08-22 22:02:20 +08:00
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title: Image
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cols: 2
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2022-11-30 20:14:41 +08:00
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cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*FbOCS6aFMeUAAAAAAAAAAAAADrJ8AQ/original
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2020-08-22 22:02:20 +08:00
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---
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Previewable image.
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## When To Use
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- When you need to display pictures.
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- Display when loading a large image or fault tolerant handling when loading fail.
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2022-11-09 12:28:04 +08:00
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## Examples
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2022-11-17 17:31:26 +08:00
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<!-- prettier-ignore -->
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2022-11-09 12:28:04 +08:00
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<code src="./demo/basic.tsx">Basic Usage</code>
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<code src="./demo/fallback.tsx">Fault tolerant</code>
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<code src="./demo/placeholder.tsx">Progressive Loading</code>
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<code src="./demo/preview-group.tsx">Multiple image preview</code>
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<code src="./demo/preview-group-visible.tsx">Preview from one image</code>
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<code src="./demo/previewSrc.tsx">Custom preview image</code>
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<code src="./demo/controlled-preview.tsx">Controlled Preview</code>
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<code src="./demo/preview-mask.tsx" debug>Custom preview mask</code>
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<code src="./demo/preview-group-top-progress.tsx" debug>Top progress customization when previewing multiple images</code>
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2020-08-22 22:02:20 +08:00
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## API
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| alt | Image description | string | - | 4.6.0 |
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| fallback | Load failure fault-tolerant src | string | - | 4.6.0 |
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| height | Image height | string \| number | - | 4.6.0 |
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| placeholder | Load placeholder, use default placeholder when set `true` | ReactNode | - | 4.6.0 |
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2020-09-28 14:15:23 +08:00
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| preview | preview config, disabled when `false` | boolean \| [previewType](#previewType) | true | 4.6.0 [previewType](#previewType):4.7.0 |
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2020-08-22 22:02:20 +08:00
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| src | Image path | string | - | 4.6.0 |
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| width | Image width | string \| number | - | 4.6.0 |
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2021-02-02 13:35:37 +08:00
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| onError | Load failed callback | (event: Event) => void | - | 4.12.0 |
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2022-03-19 18:44:43 +08:00
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| rootClassName | add custom className for image root DOM and preview mode root DOM | string | - | 4.20.0 |
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2020-08-22 22:02:20 +08:00
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2020-09-28 14:15:23 +08:00
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### previewType
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2020-10-10 15:26:05 +08:00
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```js
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2020-09-28 14:15:23 +08:00
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{
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2020-10-10 15:26:05 +08:00
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visible?: boolean;
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onVisibleChange?: (visible, prevVisible) => void;
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2022-04-18 11:16:23 +08:00
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getContainer?: string | HTMLElement | (() => HTMLElement); // v4.8.0
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src?: string; // v4.10.0
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mask?: ReactNode; // v4.9.0
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maskClassName?: string; // v4.11.0
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current?: number; // v4.12.0 Only support PreviewGroup
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countRender?: (current: number, total: number) => string // v4.20.0 Only support PreviewGroup
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2022-09-24 19:51:26 +08:00
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scaleStep?: number;
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2020-09-28 14:15:23 +08:00
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}
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```
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2020-10-21 10:33:43 +08:00
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Other attributes [<img>](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img#Attributes)
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