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* fix: Tabbar icon line-height * [new feature] progress add showPivot prop * [new feature] TabItem support vue-router * [new feature] update document header style * [Doc] add toast english ducoment * [new feature] add i18n support * feat: Extract demos from markdown * feat: Base components demos * [new feature] complete demo extract & translate * [fix] text cases * fix: add deepAssign test cases * fix: changelog detail * [new feature] AddressEdit support i18n
91 lines
2.4 KiB
Markdown
91 lines
2.4 KiB
Markdown
<script>
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export default {
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data() {
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return {
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imageList: [
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'https://img.yzcdn.cn/public_files/2017/09/05/3bd347e44233a868c99cf0fe560232be.jpg',
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'https://img.yzcdn.cn/public_files/2017/09/05/c0dab461920687911536621b345a0bc9.jpg',
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'https://img.yzcdn.cn/public_files/2017/09/05/4e3ea0898b1c2c416eec8c11c5360833.jpg',
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'https://img.yzcdn.cn/public_files/2017/09/05/fd08f07665ed67d50e11b32a21ce0682.jpg'
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],
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backgroundImageList: [
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'https://img.yzcdn.cn/public_files/2017/09/05/bac1903e863834ace25773f3554b6890.jpg',
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'https://img.yzcdn.cn/public_files/2017/09/05/138c32d4384b5e4a78dc4e1ba58e6a80.jpg'
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],
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componentImageList: [
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'https://img.yzcdn.cn/public_files/2017/09/05/100a7845756a70af2df513bdd1307d0e.jpg',
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'https://img.yzcdn.cn/public_files/2017/09/05/8a4f5be8289cb3a7434fc19a3de780a2.jpg'
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]
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};
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},
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methods: {
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handleComponentShow() {
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console.log('component show');
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}
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}
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}
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</script>
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## Lazyload
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### Install
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```js
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import Vue from 'vue';
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import { Lazyload } from 'vant';
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Vue.use(Lazyload, options);
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```
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### Usage
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#### Basic Usage
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```html
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<img v-for="img in imageList" v-lazy="img">
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```
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```javascript
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export default {
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data() {
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return {
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imageList: [
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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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}
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```
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#### Lazyload Background Image
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Use `v-lazy:background-image` to set background url, and declare the height of the container.
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```html
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<div v-for="img in imageList" v-lazy:background-image="img" />
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```
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#### Lazyload Component
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```html
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<lazy-component>
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<img v-for="img in imageList" v-lazy="img">
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</lazy-component>
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```
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### Options
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| Attribute | Description | Type | Default | Accepted Values |
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|-----------|-----------|-----------|-------------|-------------|
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| loading | Src of the image while loading | `String` | - | - |
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| error | Src of the image upon load fail | `String` | - | - |
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| preload | Proportion of pre-loading height | `String` | - | - |
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| attempt | Attempts count | `Number` | `3` | - |
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| listenEvents | Events that you want vue listen for | `Array` | `scroll`... | - |
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| adapter | Dynamically modify the attribute of element | `Object` | - | - |
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| filter | The image's listener filter | `Object` | - | - |
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| lazyComponent | Lazyload component | `Boolean` | `false` | - |
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See more：[ vue-lazyload ](https://github.com/hilongjw/vue-lazyload)
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