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uxcore-cascade-select

v0.9.4

Published

Cascade select field

Downloads

67

Readme

uxcore-cascade-select

React cascade select

NPM version build status Test Coverage Dependency Status devDependency Status NPM downloads

Sauce Test Status

Development

git clone https://github.com/uxcore/uxcore-cascade-select
cd uxcore-cascade-select
npm install
npm run server

if you'd like to save your install time,you can use uxcore-tools globally.

npm install uxcore-tools -g
git clone https://github.com/uxcore/uxcore-cascade-select
cd uxcore-cascade-select
npm install
npm run dep
npm run start

Test Case

npm run test

Coverage

npm run coverage

Demo

http://uxcore.github.io/components/cascade-select

Contribute

Yes please! See the CONTRIBUTING for details.

API

import CascadeSelect from 'uxcore-cascade-select'
import { render } from 'react-dom'

render(<CascadeSelect />, document.getElementById('root'))

Props

| Name | Type | Required | Default | Comments | |---|---|---|---|---| | prefixCls | string | false | 'kuma-cascader' | 默认的类名前缀 | | className | string | false | '' | 自定义类名 | | options | array | false | [] | 选项数据源,格式可见下方Demo | | value | array | false | [] | 可由外部控制的值 | | defaultValue | array | false | [] | 初始默认值 | | dropdownClassName | string | false | '' | dropdown 容器的自定义样式 | placeholder | string | false | 'Please Select' or '请选择' | placeholder | | onChange | function | false | function(value, selectedOptions) | 选择完成后回调 | | disabled | boolean | false | false | 是否禁用 | | clearable | boolean | false | false | 是否支持清除 | | changeOnSelect | boolean | false | false | 是否将每次选择立刻显示在控件中 | | expandTrigger | string | false | 'click' | 次级菜单展开方式,支持 clickhover | | beforeRender | function | false | (value, selectedOptions) => selectedOptions.map(o => o && o.label).join(' / ') | 处理要显示的内容 | | cascadeSize | number | false | 3 | 级联的层级数 | | getPopupContainer | function():HTMLElement | false | / | 返回一个 html 元素用作 Popup 面板的容器,默认是插在body 中的一个 div | | locale | string | false | 'zh-cn' | 'en-us' | miniMode | boolean | false | true | 是否是简洁显示风格 | columnWidth | number | false | null | dropdown中每一列的宽度, 如为空,整体宽度等于input输入框的宽度 | displayMode | string | false | dropdown | select 或者 dropdown 或者 search(已废弃) | getSelectPlaceholder | func | false | function(idx){ return '请选择' } | select显示模式下的placeholder生成函数 | size | string | false | large | 尺寸,枚举值:large, middle, small | isMustSelectLeaf | bool | false | false | 是否必须选择到叶子节点 | onSelect | function | false | null | 异步加载层级,需要 return 一个数组,具体用法参考下方 demo | onlyStringValue | boolean | false | false | 选中数据之后的值,直接给字符串而不是级联结构 | searchOption | function | false | null | (已废弃) 开启关键词搜索的配置,当 dispalyMode 为 search 时启用,具体配置方式参考下方 | showSearch | boolean | false | false | 是否开启搜索模式 | onSearch | function | false | null | 开启关键词过滤模式,可以通过外部重新设置 options,onSearch 不能与 optionFilterProps 和 optionFilterCount 一起使用,onSearch 优先级更高 | optionFilterProps | string[] | false | ['label'] | showSearch=true 时,optionFilterProp 为 options[i] 中的属性名称,此时搜索会进行过滤 | optionFilterCount | number | false | 20 | 当使用过滤功能时 dropdown 里最多显示的条数 | cascaderHeight | number | false | null | 级联选择区域的高度 | useFullPathValue | boolean | false | false | 使用全路径值匹配模式,该模式允许父子级,不同子级的 ID 一致

Demos

props.options

const options = [{
  value: 'zhejiang',
  label: '浙江',
  children: [{
    value: 'hangzhou',
    label: '杭州',
    children: [{
      value: 'xihu',
      label: '西湖',
    }],
  }],
}, {
  value: 'jiangsu',
  label: '江苏',
  children: [{
    value: 'nanjing',
    label: '南京',
    children: [{
      value: 'zhonghuamen',
      label: '中华门',
    }],
  }],
}];

当不指定 dropdown 宽度时,还可以使用css来定制dropdown宽度

.kuma-cascader-submenu-empty,
.kuma-dropdown-menu-submenu {
  width: 400px; // 你想要的 dropdown 宽度
}

props.onSelect

<CascadeSelect
  /**
   * @param resolve 请求成功了调用resolve()
   * @param reject 请求失败则调用reject()
   * @param key key为父级的value
   * @param level level为父级所在的层数,如上面的options的['zhengjiang'], level为1
   */ 
  showSearch={true}
  onSelect={(resolve, reject, key, level) => {
    ajax({
      url: 'xxx/xx.json',
      data: {
        key
      },
      success(content) {
        resolve(content); // content必须为array
      },
      error() {
        reject();
      }
    })
  }}
/>

props.searchOption

{
  doSearch(keyword, afterSearch) { // 异步搜索函数
    // keyword 为搜索的关键词
    // afterSearch 为搜索完成之后需要将结果显示在页面中,afterSearch 接收的参数为 [{ label, value }, ...]
    Fetch('/search?keyword=' + keyword).then(result => afterSearch(result))
  }
}

props.optionFilterProp

<CascadeSelect
  options={this.state.options}
  showSearch={true}
  optionFilterProps={['label']}
  optionFilterCount={10}
/>

只用面板

只是用面板时 props.value 必须是受控模式

<CascadeSelect.CascadeSubmenu
  options={options}
  value={this.state.value}
  onChange={(value) => {
    this.setState({ value });
  }}
  renderCustomItem={(item) => {
    return <span style={{ color: 'red' }}>{item.label}</span>
  }}
/>

CascadeSelect.CascadeSubmenu.props

| Name | Type | Required | Default | Comments | | --- | --- | --- | --- | --- | | value | array | Yes | [] | 受控值 | options | array | Yes | [] | 候选集,格式参考上方 | onChange | function | Yes | null | value 改变的回调函数 | columnWidth | number | No | null | 每一列的宽度 | cascaderHeight | number | NO | null | 级联选择区域的高度 | renderCustomItem | function | No | null | 自定义渲染选项