neverlandandGitHub
6c37a6906f
* [bugfix] CouponList always show empty info * [bugfix] add click feedback of buttons in components * [Doc] add custom theme document * [new feature] Notice bar support more props * [bugfix] PullRefresh test cases * [bugfix] unused NoticeBar style * [bugfix] Swipe width calc error * [Doc] english document of all action components * [Doc] change document site path to /zanui/vant * [Doc] fix * [bugfix] uploader style error * [bugfix] tabs document demo * [new feature] Cell support vue-router target route * [bugfix] add cell test cases * update yarn.lock * [bugfix] Tabbar cann't display info when use icon slot * [Doc] update document title * [bugfix] Dialog should reset button text when showed * [new feature] CouponList add showCloseButton prop * [new feature] Swipe add 'initialSwipe' prop * [bugfix] NoticeBar text disappeared when page back * [new feature] ImagePreview support startPosition * fix: improve imagePreview test cases
90 lines
1.7 KiB
Markdown
90 lines
1.7 KiB
Markdown
<style>
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.demo-image-preview {
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.van-button {
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margin-left: 15px;
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}
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}
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.van-image-preview {
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img {
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pointer-events: none;
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}
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}
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</style>
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<script>
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import { ImagePreview } from 'packages';
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export default {
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methods: {
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showImagePreview(position) {
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ImagePreview([
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'https://img.yzcdn.cn/upload_files/2017/03/15/FkubrzN7AgGwLlTeb1E89-T_ZjBg.png',
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'https://img.yzcdn.cn/upload_files/2017/03/14/FmTPs0SeyQaAOSK1rRe1sL8RcwSY.jpeg',
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'https://img.yzcdn.cn/upload_files/2017/03/15/FvexrWlG_WxtCE9Omo5l27n_mAG_.jpeg'
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], typeof position === 'number' ? position : 0);
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}
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}
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};
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</script>
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## ImagePreview 图片预览
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### 使用指南
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`ImagePreview`和其他组件不同，不是通过HTML结构的方式来使用，而是通过函数调用的方式。使用前需要先引入它。
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```js
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import { ImagePreview } from 'vant';
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```
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### 代码演示
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#### 基础用法
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:::demo 基础用法
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```html
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<van-button @click="showImagePreview">预览图片</van-button>
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```
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```javascript
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export default {
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methods: {
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showImagePreview() {
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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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}
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};
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```
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:::
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#### 指定初始位置
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:::demo 指定初始位置
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```html
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<van-button @click="showImagePreview(1)">指定初始位置</van-button>
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```
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```javascript
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export default {
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methods: {
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showImagePreview(startPosition) {
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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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], startPosition);
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}
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}
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};
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```
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:::
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### 方法参数
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| 参数名 | 说明 | 类型 |
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|-----------|-----------|-----------|
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| imageUrls | 需要预览的图片 | `Array` |
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| startPosition | 图片预览起始位置索引 | `Number` |
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