--- category: Components group: Data Display title: Image description: Preview-able image. cols: 2 cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*FbOCS6aFMeUAAAAAAAAAAAAADrJ8AQ/original coverDark: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*LVQ3R5JjjJEAAAAAAAAAAAAADrJ8AQ/original --- ## When To Use - When you need to display pictures. - Display when loading a large image or fault tolerant handling when loading fail. ## Examples Basic Usage Fault tolerant Progressive Loading Multiple image preview Preview from one image Custom preview image Controlled Preview Custom toolbar render Custom preview render Custom preview mask nested Top progress customization when previewing multiple images Custom component token ## API Common props ref:[Common props](/docs/react/common-props) ### Image | Property | Description | Type | Default | Version | | --- | --- | --- | --- | --- | | alt | Image description | string | - | 4.6.0 | | fallback | Load failure fault-tolerant src | string | - | 4.6.0 | | height | Image height | string \| number | - | 4.6.0 | | placeholder | Load placeholder, use default placeholder when set `true` | ReactNode | - | 4.6.0 | | preview | preview config, disabled when `false` | boolean \| [PreviewType](#previewtype) | true | 4.6.0 [PreviewType](#previewtype):4.7.0 | | src | Image path | string | - | 4.6.0 | | width | Image width | string \| number | - | 4.6.0 | | onError | Load failed callback | (event: Event) => void | - | 4.12.0 | Other attributes [<img>](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img#Attributes) ### PreviewType | Property | Description | Type | Default | Version | | --- | --- | --- | --- | --- | | visible | Whether the preview dialog is visible or not | boolean | - | - | | src | Custom preview src | string | - | 4.10.0 | | getContainer | The mounted node for preview dialog but still display at fullScreen | string \| HTMLElement \| (() => HTMLElement) \| false | - | 4.8.0 | | movable | whether can be moved | boolean | true | 5.8.0 | | mask | Thumbnail mask | ReactNode | - | 4.9.0 | | maskClassName | The className of the mask | string | - | 4.11.0 | | rootClassName | The classname of the preview root DOM | string | - | 5.4.0 | | scaleStep | `1 + scaleStep` is the step to increase or decrease the scale | number | 0.5 | - | | minScale | Min scale | number | 1 | 5.7.0 | | maxScale | Max scale | number | 50 | 5.7.0 | | closeIcon | Custom close icon | React.ReactNode | - | 5.7.0 | | forceRender | Force render preview dialog | boolean | - | - | | toolbarRender | Custom toolbar render | (originalNode: React.ReactElement, info: Omit<[ToolbarRenderInfoType](#toolbarrenderinfotype), 'current' \| 'total'>) => React.ReactNode | - | 5.7.0 | | imageRender | Custom preview content | (originalNode: React.ReactElement, info: { transform: [TransformType](#transformtype) }) => React.ReactNode | - | 5.7.0 | | onTransform | Callback when the transform of image changed | { transform: [TransformType](#transformtype), action: [TransformAction](#transformaction) } | - | 5.7.0 | | onVisibleChange | Callback when `visible` changed | (visible: boolean, prevVisible: boolean) => void | - | - | ## PreviewGroup | Property | Description | Type | Default | Version | | --- | --- | --- | --- | --- | | preview | Preview config, `disabled` when false | boolean \| [PreviewGroupType](#previewgrouptype) | true | 4.6.0 [PreviewGroupType](#previewgrouptype):4.7.0 | | items | Preview items | string[] \| { src: string, crossOrigin: string, ... }[] | - | 5.7.0 | | fallback | Load failure fault-tolerant src | string | - | 5.7.0 | ### PreviewGroupType | Property | Description | Type | Default | Version | | --- | --- | --- | --- | --- | | visible | Whether the preview dialog is visible or not | boolean | - | - | | getContainer | The mounted node for preview dialog but still display at fullScreen | string \| HTMLElement \| (() => HTMLElement) \| false | - | 4.8.0 | | movable | whether can be moved | boolean | true | 5.8.0 | | current | The index of the current preview | number | - | 4.12.0 | | mask | Thumbnail mask | ReactNode | - | 4.9.0 | | maskClassName | The className of the mask | string | - | 4.11.0 | | rootClassName | The classname of the preview root DOM | string | - | 5.4.0 | | scaleStep | `1 + scaleStep` is the step to increase or decrease the scale | number | 0.5 | - | | minScale | Min scale | number | 1 | 5.7.0 | | maxScale | Max scale | number | 50 | 5.7.0 | | closeIcon | Custom close icon | React.ReactNode | - | 5.7.0 | | forceRender | Force render preview dialog | boolean | - | - | | countRender | Custom preview count content | (current: number, total: number) => React.ReactNode | - | 4.20.0 | | toolbarRender | Custom toolbar render | (originalNode: React.ReactElement, info: [ToolbarRenderInfoType](#toolbarrenderinfotype)) => React.ReactNode | - | 5.7.0 | | imageRender | Custom preview content | (originalNode: React.ReactElement, info: { transform: [TransformType](#transformtype), current: number }) => React.ReactNode | - | 5.7.0 | | onTransform | Callback when the transform of image changed | { transform: [TransformType](#transformtype), action: [TransformAction](#transformaction) } | - | 5.7.0 | | onChange | Callback when switch preview image | (current: number, prevCurrent: number) => void | - | 5.3.0 | | onVisibleChange | Callback when `visible` changed | (visible: boolean, prevVisible: boolean, current: number) => void | - | current Property 5.3.0 | ## Interface ### TransformType ```typescript { x: number; y: number; rotate: number; scale: number; flipX: boolean; flipY: boolean; } ``` ### TransformAction ```typescript type TransformAction = | 'flipY' | 'flipX' | 'rotateLeft' | 'rotateRight' | 'zoomIn' | 'zoomOut' | 'close' | 'prev' | 'next' | 'wheel' | 'doubleClick' | 'move' | 'dragRebound'; ``` ### ToolbarRenderInfoType ```typescript { icons: { flipYIcon: React.ReactNode; flipXIcon: React.ReactNode; rotateLeftIcon: React.ReactNode; rotateRightIcon: React.ReactNode; zoomOutIcon: React.ReactNode; zoomInIcon: React.ReactNode; }; actions: { onFlipY: () => void; onFlipX: () => void; onRotateLeft: () => void; onRotateRight: () => void; onZoomOut: () => void; onZoomIn: () => void; }; transform: TransformType, current: number; total: number; } ``` ## Design Token