8.5 KiB
| title | lang |
|---|---|
| Image | en-US |
Image
Besides the native features of img, support lazy load, custom placeholder and load failure, etc.
Basic Usage
:::demo Indicate how the image should be resized to fit its container by fit, same as native object-fit。
image/basic-usage
:::
Placeholder
:::demo Custom placeholder content when image hasn't loaded yet by slot = placeholder
image/placeholder
:::
Load Failed
:::demo Custom failed content when error occurs to image load by slot = error
image/load-failed
:::
Lazy Load
:::demo Use lazy load by lazy = true. Image will load until scroll into view when set. You can indicate scroll container that adds scroll listener to by scroll-container. If undefined, will be the nearest parent container whose overflow property is auto or scroll.
image/lazy-load
:::
Image Preview
:::demo allow big image preview by setting previewSrcList prop. You can initialize the position of the first picture previewed by initial-index. The default initial position is 0.
image/image-preview
:::
Image Attributes
| Attribute | Description | Type | Accepted values | Default |
|---|---|---|---|---|
| alt | Native alt | string | - | - |
| fit | Indicate how the image should be resized to fit its container, same as object-fit | string | fill / contain / cover / none / scale-down | - |
| hide-on-click-modal | When enabling preview, use this flag to control whether clicking on backdrop can exit preview mode | boolean | true / false | false |
| initial-index | The initial preview image index, less than the length of url-list |
number | int | 0 |
| lazy | Whether to use lazy load | boolean | — | false |
| preview-src-list | allow big image preview | Array | — | - |
| referrer-policy | Native referrerPolicy | string | - | - |
| src | Image source, same as native | string | — | - |
| scroll-container | The container to add scroll listener when using lazy load | string / HTMLElement | — | The nearest parent container whose overflow property is auto or scroll |
| z-index | set image preview z-index | Number | — | 2000 |
Image Events
| Event Name | Description | Parameters |
|---|---|---|
| load | Same as native load | (e: Event) |
| error | Same as native error | (e: Error) |
Image Slots
| Name | Description |
|---|---|
| placeholder | Triggers when image load |
| error | Triggers when image load failed |
ImageViewer Attributes
| Attribute | Description | Type | Acceptable Value | Default |
|---|---|---|---|---|
| url-list | Preview link list | Array<string> | - | [] |
| z-index | Preview backdrop z-index | number / string | int / string<int> | 2000 |
| initial-index | The initial preview image index, less than or equal to the length of url-list |
number | int | 0 |
| infinite | Whether preview is infinite | boolean | true / false | true |
| hide-on-click-modal | Whether user can emit close event when clicking backdrop | boolean | true / false | false |
| append-to-body | whether to append image itself to body. A nested parent element attribute transform should have this attribute set to true |
boolean | — | false |
ImageViewer Events
| Event name | Description | Callback parameter |
|---|---|---|
| close | Emitted when clicking on X button or when hide-on-click-modal enabled clicking on backdrop |
None |
| switch | When switching images | (val: number) switching target index |