mirror of
https://gitee.com/element-plus/element-plus.git
synced 2024-12-15 09:50:58 +08:00
266 lines
8.4 KiB
Markdown
266 lines
8.4 KiB
Markdown
## Image
|
|
|
|
En plus des propriétés natives de img, ce composant supporte le lazy loading, les placeholder personnalisés, les échecs de téléchargement, etc.
|
|
|
|
### Usage basique
|
|
|
|
:::demo Indique comment l'image devrait être redimmensionnée pour s'adapter à son conteneur grâce à `fit`, identique au [object-fit](https://developer.mozilla.org/en-US/docs/Web/CSS/object-fit) natif.
|
|
```html
|
|
<div class="demo-image">
|
|
<div class="block" v-for="fit in fits" :key="fit">
|
|
<span class="demonstration">{{ fit }}</span>
|
|
<el-image
|
|
style="width: 100px; height: 100px"
|
|
:src="url"
|
|
:fit="fit"></el-image>
|
|
</div>
|
|
</div>
|
|
|
|
<script>
|
|
export default {
|
|
data() {
|
|
return {
|
|
fits: ['fill', 'contain', 'cover', 'none', 'scale-down'],
|
|
url: 'https://fuss10.elemecdn.com/e/5d/4a731a90594a4af544c0c25941171jpeg.jpeg'
|
|
}
|
|
}
|
|
}
|
|
</script>
|
|
<!--
|
|
<setup>
|
|
|
|
import { defineComponent, reactive, toRefs } from 'vue';
|
|
|
|
export default defineComponent({
|
|
setup() {
|
|
const state = reactive({
|
|
fits: ['fill', 'contain', 'cover', 'none', 'scale-down'],
|
|
url: 'https://fuss10.elemecdn.com/e/5d/4a731a90594a4af544c0c25941171jpeg.jpeg'
|
|
});
|
|
|
|
return {
|
|
...toRefs(state),
|
|
};
|
|
},
|
|
});
|
|
</setup>
|
|
-->
|
|
```
|
|
:::
|
|
|
|
### Placeholder
|
|
|
|
:::demo Placeholder personnalisé qui s'affiche lorsque l'image n'est pas encore chargée, grâce à `slot = placeholder`.
|
|
```html
|
|
<div class="demo-image__placeholder">
|
|
<div class="block">
|
|
<span class="demonstration">Défaut</span>
|
|
<el-image :src="src"></el-image>
|
|
</div>
|
|
<div class="block">
|
|
<span class="demonstration">Personnalisé</span>
|
|
<el-image :src="src">
|
|
<template #placeholder>
|
|
<div class="image-slot">
|
|
Chargement<span class="dot">...</span>
|
|
</div>
|
|
</template>
|
|
</el-image>
|
|
</div>
|
|
</div>
|
|
|
|
<script>
|
|
export default {
|
|
data() {
|
|
return {
|
|
src: 'https://cube.elemecdn.com/6/94/4d3ea53c084bad6931a56d5158a48jpeg.jpeg'
|
|
}
|
|
}
|
|
}
|
|
</script>
|
|
<!--
|
|
<setup>
|
|
|
|
import { defineComponent, ref } from 'vue';
|
|
|
|
export default defineComponent({
|
|
setup() {
|
|
const src = ref('https://cube.elemecdn.com/6/94/4d3ea53c084bad6931a56d5158a48jpeg.jpeg');
|
|
|
|
return {
|
|
src,
|
|
};
|
|
},
|
|
});
|
|
|
|
</setup>
|
|
-->
|
|
```
|
|
:::
|
|
|
|
### Échec du chargement
|
|
|
|
:::demo Contenu personnalisé qui s'affiche lorsque le chargement a échoué, grâce à `slot = error`.
|
|
```html
|
|
<div class="demo-image__error">
|
|
<div class="block">
|
|
<span class="demonstration">Défaut</span>
|
|
<el-image></el-image>
|
|
</div>
|
|
<div class="block">
|
|
<span class="demonstration">Personnalisé</span>
|
|
<el-image>
|
|
<template #error>
|
|
<div class="image-slot">
|
|
<i class="el-icon-picture-outline"></i>
|
|
</div>
|
|
</template>
|
|
</el-image>
|
|
</div>
|
|
</div>
|
|
```
|
|
:::
|
|
|
|
### Lazy Loading
|
|
|
|
:::demo Utilisez le lazy loading avec `lazy = true`. Les images ne se chargeront que lorsque le scrolling les atteindra. Vous pouvez indiquer le conteneur grâce à `scroll-container`. Si undefined, ce sera le conteneur parent le plus proche avec la propriété overflow à auto ou scroll.
|
|
```html
|
|
<div class="demo-image__lazy">
|
|
<el-image v-for="url in urls" :key="url" :src="url" lazy></el-image>
|
|
</div>
|
|
|
|
<script>
|
|
export default {
|
|
data() {
|
|
return {
|
|
urls: [
|
|
'https://fuss10.elemecdn.com/a/3f/3302e58f9a181d2509f3dc0fa68b0jpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/1/34/19aa98b1fcb2781c4fba33d850549jpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/0/6f/e35ff375812e6b0020b6b4e8f9583jpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/9/bb/e27858e973f5d7d3904835f46abbdjpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/d/e6/c4d93a3805b3ce3f323f7974e6f78jpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/3/28/bbf893f792f03a54408b3b7a7ebf0jpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/2/11/6535bcfb26e4c79b48ddde44f4b6fjpeg.jpeg'
|
|
]
|
|
}
|
|
}
|
|
}
|
|
</script>
|
|
<!--
|
|
<setup>
|
|
import { defineComponent, ref } from 'vue';
|
|
|
|
export default defineComponent({
|
|
setup() {
|
|
const urls = ref([
|
|
'https://fuss10.elemecdn.com/a/3f/3302e58f9a181d2509f3dc0fa68b0jpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/1/34/19aa98b1fcb2781c4fba33d850549jpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/0/6f/e35ff375812e6b0020b6b4e8f9583jpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/9/bb/e27858e973f5d7d3904835f46abbdjpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/d/e6/c4d93a3805b3ce3f323f7974e6f78jpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/3/28/bbf893f792f03a54408b3b7a7ebf0jpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/2/11/6535bcfb26e4c79b48ddde44f4b6fjpeg.jpeg',
|
|
]);
|
|
|
|
return {
|
|
urls,
|
|
};
|
|
},
|
|
});
|
|
|
|
</setup>
|
|
-->
|
|
```
|
|
:::
|
|
|
|
### Image Preview
|
|
|
|
:::demo allow big image preview by setting `previewSrcList` prop.
|
|
```html
|
|
<div class="demo-image__preview">
|
|
<el-image
|
|
style="width: 100px; height: 100px"
|
|
:src="url"
|
|
:preview-src-list="srcList">
|
|
</el-image>
|
|
</div>
|
|
|
|
<script>
|
|
export default {
|
|
data() {
|
|
return {
|
|
url: 'https://fuss10.elemecdn.com/e/5d/4a731a90594a4af544c0c25941171jpeg.jpeg',
|
|
srcList: [
|
|
'https://fuss10.elemecdn.com/8/27/f01c15bb73e1ef3793e64e6b7bbccjpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/1/8e/aeffeb4de74e2fde4bd74fc7b4486jpeg.jpeg'
|
|
]
|
|
}
|
|
}
|
|
}
|
|
</script>
|
|
<!--
|
|
<setup>
|
|
|
|
import { defineComponent, ref } from 'vue';
|
|
|
|
export default defineComponent({
|
|
setup() {
|
|
const url = ref('https://fuss10.elemecdn.com/e/5d/4a731a90594a4af544c0c25941171jpeg.jpeg');
|
|
const srcList = ref([
|
|
'https://fuss10.elemecdn.com/8/27/f01c15bb73e1ef3793e64e6b7bbccjpeg.jpeg',
|
|
'https://fuss10.elemecdn.com/1/8e/aeffeb4de74e2fde4bd74fc7b4486jpeg.jpeg',
|
|
]);
|
|
|
|
return {
|
|
url,
|
|
srcList,
|
|
};
|
|
},
|
|
});
|
|
|
|
</setup>
|
|
-->
|
|
```
|
|
:::
|
|
|
|
### Image Attributs
|
|
| Attribut | Description | Type | Valeurs acceptées | Défaut |
|
|
|---------- |-------- |---------- |------------- |-------- |
|
|
| alt | Attribut alt natif.| string | - | - |
|
|
| fit | Indique comment l'image devrait être redimmensionnée pour s'adapter à son conteneur, identique à [object-fit](https://developer.mozilla.org/en-US/docs/Web/CSS/object-fit) | string | fill / contain / cover / none / scale-down | - |
|
|
| hide-on-click-modal (needs translation) | When enabling preview, use this flag to control whether clicking on backdrop can exit preview mode | boolean | true / false | false |
|
|
| lazy | Si le lazy loading doit être utilisé. | boolean | — | false |
|
|
| preview-src-list | allow big image preview | Array | — | - |
|
|
| referrer-policy | Attribut referrerPolicy natif.| string | - | - |
|
|
| src | Source de l'image, identique au natif. | string | — | - |
|
|
| scroll-container | Le conteneur auquel ajouter le listener du scroll en mode lazy loading. | string / HTMLElement | — | Le conteneur parent le plus proche avec la propriété overflow à auto ou scroll. |
|
|
| z-index | set image preview z-index | Number | — | 2000 |
|
|
| 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 |
|
|
|
|
### Image Évènements
|
|
| Nom | Description | Paramètres |
|
|
|---------- |-------- |---------- |
|
|
| load | Identique au load natif. | (e: Event) |
|
|
| error | Identique au error natif. | (e: Error) |
|
|
|
|
### Image Slots
|
|
| Nom | Description |
|
|
|---------|-------------|
|
|
| placeholder | Se déclenche quand l'image charge. |
|
|
| error | Se déclenche quand le chargement de l'image a échoué. |
|
|
|
|
### ImageViewer Attributs
|
|
| 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 |
|
|
|
|
### ImageViewer Évènements
|
|
| 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 |
|