2020-07-28 10:03:53 +08:00
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---
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title: Carousel 轮播图
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2020-07-29 16:20:21 +08:00
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description:
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2020-07-28 10:03:53 +08:00
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type: 0
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group: ⚙ 组件
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menuName: Carousel 幻灯片
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2020-07-29 16:20:21 +08:00
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icon:
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2020-07-28 10:03:53 +08:00
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order: 33
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---
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2020-07-29 16:20:21 +08:00
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2020-07-28 10:03:53 +08:00
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## 基本用法
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2021-01-07 23:35:03 +08:00
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```schema: scope="body"
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2020-07-28 10:03:53 +08:00
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{
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"type": "carousel",
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2021-08-19 15:06:29 +08:00
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"auto": false,
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"thumbMode": "cover",
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"animation": "slide",
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"height": 300,
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2020-07-28 10:03:53 +08:00
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"options": [
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{
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"image": "https://internal-amis-res.cdn.bcebos.com/images/2019-12/1577157239810/da6376bf988c.png"
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},
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{
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"html": "<div style=\"width: 100%; height: 300px; background: #e3e3e3; text-align: center; line-height: 300px;\">carousel data</div>"
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},
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{
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"thumbMode": "contain",
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2020-07-28 10:03:53 +08:00
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"image": "https://ss0.bdstatic.com/70cFvHSh_Q1YnxGkpoWK1HF6hhy/it/u=3893101144,2877209892&fm=23&gp=0.jpg"
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}
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]
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}
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```
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2021-03-11 17:18:26 +08:00
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## 动态列表
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轮播图组件目前没有获取数据的配置,因此需要依赖 `service` 来获取数据。
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```schema: scope="body"
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{
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"type": "page",
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"body": {
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"type": "service",
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2021-08-09 18:05:01 +08:00
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"api": "/api/mock2/options/carousel",
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2021-03-11 17:18:26 +08:00
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"body": {
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"type": "carousel",
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"name": "imageList"
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}
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}
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}
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```
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目前数据关联是通过 name 的方式,因此 api 返回应该是类似这样的:
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```
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{
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status: 0,
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msg: '',
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data: {
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imageList: [{
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"image": "https://internal-amis-res.cdn.bcebos.com/images/2019-12/1577157239810/da6376bf988c.png"
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}]
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}
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}
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```
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其中的 `imageList` 要和配置的 `name` 值对应。
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2021-10-09 13:23:23 +08:00
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## 点击图片打开外部链接
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> 1.3.3 及以上版本
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需要放回的字段中除了前面的 image,还有 href 属性
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```schema: scope="body"
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{
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"type": "page",
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"data": {
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"imageList": [
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{
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"image": "https://internal-amis-res.cdn.bcebos.com/images/2019-12/1577157239810/da6376bf988c.png",
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"href": "https://github.com/baidu/amis"
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}
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]
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},
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"body": {
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"type": "carousel",
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"name": "imageList"
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}
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}
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```
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2021-03-11 17:18:26 +08:00
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## 自定义轮播图的展现
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通过配置 `itemSchema` 可以自定义轮播图的展现,比如图片默认背景配置是 contain,可以改成 cover:
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```
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itemSchema: {
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type: 'tpl',
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tpl: '<div style="background-image: url('<%= data.image %>'); background-size: cover; background-repeat: no-repeat; background-position: center center;" class="image <%= data.imageClassName %>"></div>'
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}
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```
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2020-07-28 10:03:53 +08:00
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## 属性表
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2021-08-19 15:06:29 +08:00
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| 属性名 | 类型 | 默认值 | 说明 |
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| ---------------------------- | --------- | ---------------------- | ------------------------------------------------------- |
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| type | `string` | `"carousel"` | 指定为 Carousel 渲染器 |
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| className | `string` | `"panel-default"` | 外层 Dom 的类名 |
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| options | `array` | `[]` | 轮播面板数据 |
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| options.image | `string` | | 图片链接 |
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| options.href | `string` | | 图片打开网址的链接 |
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| options.imageClassName | `string` | | 图片类名 |
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| options.title | `string` | | 图片标题 |
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| options.titleClassName | `string` | | 图片标题类名 |
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| options.description | `string` | | 图片描述 |
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| options.descriptionClassName | `string` | | 图片描述类名 |
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| options.html | `string` | | HTML 自定义,同[Tpl](./tpl)一致 |
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| itemSchema | `object` | | 自定义`schema`来展示数据 |
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| auto | `boolean` | `true` | 是否自动轮播 |
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| interval | `string` | `5s` | 切换动画间隔 |
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| duration | `string` | `0.5s` | 切换动画时长 |
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| width | `string` | `auto` | 宽度 |
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| height | `string` | `200px` | 高度 |
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| controls | `array` | `['dots', 'arrows']` | 显示左右箭头、底部圆点索引 |
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| controlsTheme | `string` | `light` | 左右箭头、底部圆点索引颜色,默认`light`,另有`dark`模式 |
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| animation | `string` | fade | 切换动画效果,默认`fade`,另有`slide`模式 |
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| thumbMode | `string` | `"cover" \| "contain"` | 图片默认缩放模式 |
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2020-07-28 10:03:53 +08:00
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- `type` 请设置成 `carousel`
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- `className` 外层 Dom 的类名
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- `options` 轮播面板数据,默认`[]`,支持以下模式
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- 图片
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- `image` 图片链接
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- `imageClassName` 图片类名
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- `title` 图片标题
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- `titleClassName` 图片标题类名
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- `description` 图片描述
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- `descriptionClassName` 图片描述类名
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- `html` HTML 自定义,同[Tpl](./Tpl.md)一致
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- `itemSchema` 自定义`schema`来展示数据
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- `auto` 是否自动轮播,默认`true`
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- `interval` 切换动画间隔,默认`5s`
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- `duration` 切换动画时长,默认`0.5s`
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- `width` 宽度,默认`auto`
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- `height` 高度,默认`200px`
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- `controls` 显示左右箭头、底部圆点索引,默认`['dots', 'arrows']`
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- `controlsTheme` 左右箭头、底部圆点索引颜色,默认`light`,另有`dark`模式
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- `animation` 切换动画效果,默认`fade`,另有`slide`模式
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2021-08-19 15:06:29 +08:00
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- `thumbMode` 图片默认缩放模式,可以配置 `"cover" | "contain"`
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