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136 lines
3.0 KiB
Markdown
136 lines
3.0 KiB
Markdown
## ImagePreview
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### Install
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```js
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import { ImagePreview } from 'vant';
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Vue.use(ImagePreview);
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```
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### Usage
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#### Basic Usage
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```javascript
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ImagePreview([
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'https://img.yzcdn.cn/1.jpg',
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'https://img.yzcdn.cn/2.jpg'
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]);
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```
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#### Custom config
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```javascript
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ImagePreview({
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images: [
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'https://img.yzcdn.cn/1.jpg',
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'https://img.yzcdn.cn/2.jpg'
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],
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startPosition: 1,
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onClose() {
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// do something
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}
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});
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```
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#### Async Close
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```javascript
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const instance = ImagePreview({
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images: [
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'https://img.yzcdn.cn/1.jpg',
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'https://img.yzcdn.cn/2.jpg'
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],
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asyncClose: true
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});
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setTimeout(() => {
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instance.close();
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}, 1000);
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```
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#### Component Call
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```html
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<van-image-preview
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v-model="show"
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:images="images"
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@change="onChange"
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>
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<template v-slot:index>Page: { index }</template>
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</van-image-preview>
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```
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```js
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export default {
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data() {
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return {
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show: false,
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index: 0,
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images: [
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'https://img.yzcdn.cn/1.jpg',
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'https://img.yzcdn.cn/2.jpg'
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]
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};
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},
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methods: {
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onChange(index) {
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this.index = index;
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}
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}
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}
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```
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### Options
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| Attribute | Description | Type | Default |
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|------|------|------|------|
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| images | Images URL list | `Array` | `[]` |
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| startPosition | Start position | `Number` | `0` |
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| showIndex | Whether to show index | `Boolean` | `true` |
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| showIndicators | Whether to show indicators | `Boolean` | `false` |
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| loop | Whether to enable loop | `Boolean` | `true` |
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| onClose | Close callback | `Function` | - |
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| asyncClose | Whether to enable async close | `Boolean` | `false` |
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| className | Custom className | `String | Array | Object` | - |
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| lazyLoad | Whether to enable thumb lazy load，should register [Lazyload](#/en-US/lazyload) component | `Boolean` | `false` |
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| maxZoom | Max zoom | `Number` | `3` |
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| minZoom | Min zoom | `Number` | `1/3` |
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### Props
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| Attribute | Description | Type | Default |
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|------|------|------|------|
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| images | Images URL list | `Array` | `[]` |
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| start-position | Start position | `Number` | `0` |
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| show-index | Whether to show index | `Boolean` | `true` |
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| show-indicators | Whether to show indicators | `Boolean` | `false` |
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| loop | Whether to enable loop | `Boolean` | `true` |
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| async-close | Whether to enable async close | `Boolean` | `false` |
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| class-name | Custom className | `String | Array | Object` | - |
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| lazy-load | Whether to enable thumb lazy load，should register [Lazyload](#/en-US/lazyload) component | `Boolean` | `false` |
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| max-zoom | Max zoom | `Number` | `3` |
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| min-zoom | Min zoom | `Number` | `1/3` |
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### Event
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| Event | Description | Parameters |
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|------|------|------|
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| close | Triggered when close | { index, url } |
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| change | Triggered when current image change | index: index of current image |
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### Slot
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| name | Description |
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|------|------|
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| index | Custom index |
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### onClose Parematers
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| Attribute | Description | Type |
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|------|------|------|
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| url | Url of current image | `Number` |
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| index | Index of current image | `String` |
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