amis/docs/zh-CN/components/list.md

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---
title: List 列表
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description:
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type: 0
group: ⚙ 组件
menuName: List
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icon:
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order: 56
---
列表展示,不支持配置初始化接口初始化数据域,所以需要搭配类似像`Service`这样的,具有配置接口初始化数据域功能的组件,或者手动进行数据域初始化,然后通过`source`属性,获取数据链中的数据,完成数据展示。
## 基本用法
```schema: scope="body"
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{
"type": "service",
"api": "/api/mock2/sample?perPage=5",
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"body": [
{
"type": "list",
"source": "$rows",
"listItem": {
"body": [
{
"type": "hbox",
"columns": [
{
"label": "Engine",
"name": "engine"
},
{
"name": "version",
"label": "Version"
}
]
}
],
"actions": [
{
"type": "button",
"level": "link",
"label": "查看详情",
"actionType": "dialog",
"dialog": {
"title": "查看详情",
"body": {
"type": "form",
"body": [
{
"label": "Engine",
"name": "engine",
"type": "static"
},
{
"name": "version",
"label": "Version",
"type": "static"
}
]
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}
}
}
]
}
}
]
}
```
## 选择模式
设置`"selectable": true`, 列表开启多选模式
```schema: scope="body"
{
"type": "service",
"api": "/api/mock2/sample?perPage=5",
"body": [
{
"type": "list",
"selectable": true,
"source": "$rows",
"listItem": {
"body": [
{
"type": "hbox",
"columns": [
{
"label": "Engine",
"name": "engine"
},
{
"name": "version",
"label": "Version"
}
]
}
]
}
}
]
}
```
列表默认支持多选,设置`"multiple": false`开启单选模式
```schema: scope="body"
{
"type": "service",
"api": "/api/mock2/sample?perPage=5",
"body": [
{
"type": "list",
"selectable": true,
"multiple": false,
"source": "$rows",
"listItem": {
"body": [
{
"type": "hbox",
"columns": [
{
"label": "Engine",
"name": "engine"
},
{
"name": "version",
"label": "Version"
}
]
}
]
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}
}
]
}
```
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或者你也可以使用 CRUD 的 [list 模式](./crud#list-%E5%88%97%E8%A1%A8%E6%A8%A1%E5%BC%8F)
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## 单行点击操作
> 1.4.0 及以上版本
配置 itemAction 可以实现点击某一行后进行操作,支持 [action](./action) 里的所有配置,比如弹框、刷新其它组件等。
```schema: scope="body"
{
"type": "service",
"api": "/api/mock2/sample?perPage=5",
"body": [
{
"type": "list",
"source": "$rows",
"itemAction": {
"type": "button",
"actionType": "dialog",
"dialog": {
"title": "详情",
"body": "当前行的数据 browser: ${browser}, version: ${version}"
}
},
"listItem": {
"body": [
{
"type": "hbox",
"columns": [
{
"label": "Engine",
"name": "engine"
},
{
"name": "version",
"label": "Version"
}
]
}
],
"actions": [
{
"type": "button",
"level": "link",
"label": "查看详情",
"actionType": "dialog",
"dialog": {
"title": "查看详情",
"body": {
"type": "form",
"body": [
{
"label": "Engine",
"name": "engine",
"type": "static"
},
{
"name": "version",
"label": "Version",
"type": "static"
}
]
}
}
}
]
}
}
]
}
```
## 设置组件的 CSS 类
`className`属性会添加到组件外层 DOM 节点上,如果要在组件当前层级添加 CSS 类,请设置`innerClassName`属性
```schema: scope="body"
{
"type": "service",
"api": "/api/mock2/sample?perPage=5",
"body": [
{
"type": "list",
"source": "$rows",
"listItem": {
"body": {
"type": "wrapper",
"className": "border-4 border-solid border-primary",
"innerClassName": "border-4 border-solid border-success",
"body": [
{
"type": "tpl",
"tpl": "Lorem Ipsum is simply dummy text of the printing and typesetting industry."
}
]
}
}
}
]
}
```
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## 属性表
| 属性名 | 类型 | 默认值 | 说明 |
| ------------------------ | ------------------------------------ | --------------------- | ---------------------------------------------------------------------------- |
| type | `string` | | `"list"` 指定为列表展示。 |
| title | `string` | | 标题 |
| source | `string` | `${items}` | 数据源, 获取当前数据域变量,支持[数据映射](../../docs/concepts/data-mapping) |
| placeholder | `string` | ‘暂无数据’ | 当没数据的时候的文字提示 |
| selectable | `boolean` | `false` | 列表是否可选 |
| multiple | `boolean` | `true` | 列表是否为多选 |
| className | `string` | | 外层 CSS 类名 |
| headerClassName | `string` | `amis-list-header` | 顶部外层 CSS 类名 |
| footerClassName | `string` | `amis-list-footer` | 底部外层 CSS 类名 |
| listItem | `Array` | | 配置单条信息 |
| listItem.title | [模板](../../docs/concepts/template) | | 标题 |
| listItem.titleClassName | `string` | `h5` | 标题 CSS 类名 |
| listItem.subTitle | [模板](../../docs/concepts/template) | | 副标题 |
| listItem.avatar | [模板](../../docs/concepts/template) | | 图片地址 |
| listItem.avatarClassName | `string` | `thumb-sm avatar m-r` | 图片 CSS 类名 |
| listItem.desc | [模板](../../docs/concepts/template) | | 描述 |
| listItem.body | `ListBodyField[]` | | 内容容器,主要用来放置非表单项组件 |
| listItem.actions | Array<[Action](./action)> | | 按钮区域 |
| listItem.actionsPosition | 'left' or 'right' | 默认在右侧 | 按钮位置 |
### ListBodyField
```typescript
interface ListBodyField {
/* 列标题 */
label?: string;
/* 外层DOM的CSS类名 */
className?: string;
/* label的CSS类名 */
labelClassName?: string;
/* 内层组件的CSS类名className属性会添加到外层DOM如果要在组件层级添加CSS类请设置当前属性 */
innerClassName?: string;
/* 绑定字段名 */
name?: string;
/* 配置查看详情功能 */
popOver?: SchemaPopOver;
/* 配置快速编辑功能 */
quickEdit?: SchemaQuickEdit;
/* 配置点击复制功能 */
copyable?: SchemaCopyable;
}
```
## 事件表
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当前组件会对外派发以下事件,可以通过`onEvent`来监听这些事件,并通过`actions`来配置执行的动作,在`actions`中可以通过`${事件参数名}`或`${event.data.[事件参数名]}`来获取事件产生的数据,详细请查看[事件动作](../../docs/concepts/event-action)。
> `[name]`表示当前组件绑定的名称,即`name`属性,如果没有配置`name`属性,则通过`value`取值。
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| 事件名称 | 事件参数 | 说明 | 版本 |
| --------- | ------------- | ---------------------------------------------------------------------------------------------------------------------------- | ------- |
| itemClick | `item: IItem` | 单行被点击时触发,`IItem`为点击行的信息。注意`itemAction`和`onEvent`是互斥的List 组件中的`onEvent`会覆盖`itemAction`的行为 | `2.4.0` |
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**IItem**
| 属性名 | 类型 | 默认值 | 说明 |
| ------ | --------------------- | ------ | ------------------- |
| data | `Record<string, any>` | | 当前行所在数据域 |
| index | `number` | | 行索引值,从 0 开始 |
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### itemClick
```schema: scope="body"
{
"type": "service",
"api": "/api/mock2/sample?perPage=5",
"body": [
{
"type": "list",
"source": "$rows",
"listItem": {
"body": [
{
"type": "hbox",
"columns": [
{
"label": "Engine",
"name": "engine"
},
{
"name": "version",
"label": "Version"
}
]
}
]
},
"onEvent": {
"itemClick": {
"actions": [
{
"actionType": "toast",
"args": {
"msgType": "info",
"msg": "${event.data.item.index} ${event.data.item.data.engine}"
}
}
]
}
}
}
]
}
```