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@hi-ui/cascader

v4.2.0

Published

A sub-package for @hi-ui/hiui.

Downloads

364

Readme

Cascader 级联选择

一种接收数据的容器,为用户提供选择一部分数据的能力

何时使用

需要从大量的离散型数据中选择一部分时使用

备选项数量 5 个以上时

不需要将全部备选项都展示给用户时

使用示例

Props

| 参数 | 说明 | 类型 | 可选值 | 默认值 | | ----------------- | -------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------- | ------------------ | ------------------------------------------------------- | | disabled | 是否禁止使用 | boolean | true | false | false | | placeholder | 输入框占位 | string | - | '请选择' | | searchPlaceholder | 搜索输入框占位 | string | - | '搜索' | | emptyContent | 设置选项为空时展示的内容 | ReactNode | - | '无匹配数据' | | loadingContent | 设置加载中时展示的内容 | ReactNode | - | '数据加载中...' | | overlayClassName | 下拉根元素的类名称 | string | - | - | | searchable | 是否可搜索 | boolean | true | false | false | | clearable | 是否可清空 | boolean | true | false | true | | overlay | 自定义控制弹出层 popper 行为 | PopperOverlayProps | - | - | | fieldNames | 设置 data 中 label, value, children 对应的 key | object | - | { label: 'label', value: 'value', children: 'children'} | | data | 设置选择项数据源 | CascaderDataItem[] | - | - | | value | 设置当前选中值 | ReactText[] | - | [] | | defaultValue | 设置当前选中值默认值 | ReactText[] | - | [] | | displayRender | 自定义选择后展示的内容 | (value: string[]) => string | - | - | | expandTrigger | 次级菜单的展开方式,可选 'click' 和 'hover' | string | 'click' | 'hover' | 'click' | | filterOption | 第一个参数为输入的关键字,第二个为数据项,返回值为 true 时将出现在结果项。仅在 searchable 为 true 时有效 | (keyword: string, item: DataItem) => boolean | - | - | | changeOnSelect | 是否启用选择即改变功能 | boolean | true | false | false | | flatted | 将选项拍平展示,不支持 onLoadChildren 异步加载交互 | true | false | false | | upMatch | 开启全量搜索,默认只对开启对可选的选项进行搜索,不向上查找路径 | true | false | false | | render | 自定义渲染节点的 title 内容径 | (item: CascaderItemEventData) => React.ReactNode | - | | filterOption | 自定义搜索过滤器,仅在 searchable 为 true 时有效。第一个参数为输入的关键字,第二个为数据项,返回值为 true 时将出现在结果项 | (keyword: string, item: CascaderItemEventData) => boolean | - | | appearance | 设置展现形式 | 'line' | 'unset' | 'filled' | 'line' |

Events

| 名称 | 说明 | 类型 | 参数 | 返回值 | | ------------------ | ------------------ | -------------------------------------------------------------------------- | ------------------ | ------ | | onChange | 选择后的回调 | (values: ReactText[]) => void | values: 选中项集合 | - | | onActiveItemChange | 选中项改变时的回调 | (values: string[]) => void | values: 选中项集合 | - | | onOpen | 下拉菜单打开时回调 | () => void | - | - | | onClose | 下拉菜单关闭时回调 | () => void | - | - | | onLoadChildren | 异步请求更新数据 | (item: CascaderItemEventData) => Promise<CascaderItem[] | void> | void | - | - |

Type

CascaderDataItem

| 参数 | 说明 | 类型 | 可选值 | 默认值 | | -------- | ---------------- | --------- | ------------- | ------ | | id | 下拉选择项唯一值 | ReactText | - | - | | title | 下拉选择项标题 | string | - | - | | disabled | 是否禁用 | boolean | true | false | false |

CascaderItemEventData

| 参数 | 说明 | 类型 | 可选值 | 默认值 | | -------- | -------------------------------- | -------- | ------------- | ------ | | id | 选择项值 | string | - | - | | title | 选择项 | string | - | - | | disabled | 是否禁用 | boolean | true | false | false | | depth | 选项的层级,根节点层级为 0 | number | - | - | | raw | 原始数据,包括约定模型之外的数据 | object | - | - | | parent | 选项的父级节点数据 | object | - | - | | children | 选项的孩子节点列表数据 | object[] | - | - | | selected | 节点是否被选中 | boolean | true | false | - | | loading | 节点是否在异步加载子项数据中 | boolean | true | false | - |

DataSource

继承 Axios 的 api

| 参数 | 说明 | 类型 | 可选值 | 默认值 | | ----------------- | ---------------------------------- | -------------------------------- | ------------- | ------ | | url | 请求的 url | string | - | - | | method | 请求方法 | string | get | post | get | | data | post 请求时请求体参数 | object | - | - | | params | url 查询参数 | object | - | - | | headers | 请求头 | object | - | - | | withCredentials | 上传请求时是否携带 cookie | boolean | true | false | false | | transformResponse | 成功时的回调,用于对数据进行预处理 | (response: object) => DataItem[] | - | - | | error | 请求发生异常的回调方法 | (error: object) => void | - | - |

CHANGELOG

| 参数 | 变更类型 | 变更内容 | 解决的问题 | | ------------------ | ------------------------------- | --------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------ | | propName | feature | deprecated | update | 变更了什么 | 之前是什么样子,解决什么问题 | | ---- | ---- | ---- | ---- | | value | update | 类型 string[] => string[] | number[] | 对于表单控件 id 值的控制,均使用 React.ReactText(即 string 和 number 都支持) | | defaultValue | update | 类型 string[] => string[] | number[] | 对于表单控件 id 值的控制,均使用 React.ReactText(即 string 和 number 都支持) | | id | update | 类型 string => string | number | 对于表单控件 id 值的控制,均使用 React.ReactText(即 string 和 number 都支持) | | bordered | deprecated | 字段 bordered => appearance | 对于 Picker 类型的组件,统一使用 appearance 设置外形(线\面\无边框)值 | | content | deprecated | 字段 content => title | 对于 DataItem 模型数据,统一使用 title | | searchPlaceholder | feature | - | Picker 类型组件统一支持 | | loadingContent | feature | - | Picker 类型组件统一支持,适配新 UI | | overlay | feature | - | Picker 类型组件统一支持,聚合管理。比如: placement,之前有的加了有的没加 | | onLoadChildren | feature | - | 树形数据懒加载统一方案,并强化返回值 Promise 功能,保持一致,替代 onActiveItemChange | | onActiveItemChange | deprecated | - | 使用 onLoadChildren 替代 | | render | feature | (item: CascaderItemEventData) => React.ReactNode | 统一支持自定义渲染每一项 | | filterOption | feature | (keyword: string, item: CascaderItemEventData) => boolean | 统一支持自定义过滤 | | appearance | feature | 'line' | 'unset' | 'filled' | 统一支持:线性\面性\无边框 | | displayRender | feature | (value: string[]) => string -> (item: CascaderItemEventData, items: CascaderItemEventData[]) => React.ReactNode | 支持自定义节点渲染 |