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react-slidepicker

v1.0.3

Published

a react picker component for mobile

Downloads

13

Readme

React Native 版本- > react-native-slidepicker

react-slidepicker

Document

用于移动端的React选择器组件,使用TypeScript完成

  • 自定义条目高度,背景色,文字样式,自定义选择器头部
  • 支持使用级联选择和平行选择两种方式
  • 自定义显示方式,可在 Modal 或绝对定位中使用

使用

安装:

npm install react-slidepicker

使用yarn :

yarn add react-slidepicker

引入:

//Cascade data
import { CascadePicker } from "react-slidepicker";

//Parallel data
import { ParallelPicker } from "react-slidepicker";

如果需要带有弹出层,使用withModal:

import { withModal, parallelPicker } from "react-slidepicker";
const ModalParPicker = withModal(ParallelPicker);

例子

import { CascadePicker, withModal } from "../react-slidepicker/index.ts";
import Data from "./json/slidethree.json";

const ModalCasPicker = withModal(CascadePicker);

export default function App() {
  const [showName, setShowName] = useState(0);
  return (
    <div>
      <ModalCasPicker
        confirm={(arr) => {...}}
        cancel={() => setShowName(0)}
        show={showName === 1}
        dataSource={Data}
        pickerDeep={3}
        pickerStyle={{...}}
        headOptions={{ borderTopRadius: 10, backgroundColor: "#fff" }}
      >
        <span onClick={() => setShowName(1)}>选择地区</span>
      </ModalCasPicker>
....

属性 (props)

show : boolean

表示是否显示Modal,如果使用了widthModal,就需要指定这个属性。

dataSource : array

必须,选择器的数据源。

namelist 是数据源的关键字 , name 会显示在组件中, list 是子列表数据。

数据源的格式

pickerDeep : number

用于嵌套级联的选择器中,表示选择器的层级,在级联选择器中必须

confirm : (dataArray) => { }

如果没有使用customHead,那么就应该指定这个函数用作 确认 按钮的点击事件,用于接收确认选择的结果,返回一个结果数组。

cancel : () => { }

如果没有使用customHead,那么就应该指定这个函数,用于 取消 按钮的点击事件。

pickerStyle : object

选择器的样式属性,可以指定如下属性:

| Key | Type | Default Value | Description | | --------------- | --------------- | ------------- | -------------------- | | itemHeight | number | 40 | 每一项的高度 | | visibleNum | number | 5 | 显示的行数 | | activeBgColor | string (color) | "#FFF" | 选中项的背景色 | | activeBgOpacity | number | 1 | 选中项的背景透明度 | | activeFontSize | Number | 18 | 选中项的字体大小 | | activeFontColor | string (color) | "#F00" | 选中项的字体颜色 | | normalBgColor | string (color) | "#FFF" | 未选中项的背景色 | | normalBgOpacity | number (0-1) | 0.4 | 未选中项的背景透明度 | | normalFontSize | number | 16 | 未选中项的字体大小 | | normalFontColor | string:(color) | "#333" | 未选中项的字体颜色 |

headOptions : object

头部配置,文字和样式。接收如下属性

| key | Type | Default Value | Description | | --------------- | -------------- | ----------------- | ---------------- | | confirmText | string | Confirm | 确认按钮文本 | | cancelText | string | Cancel | 取消按钮文本 | | headHeight | number | 50 | 头部高度 | | borderTopRadius | number | 0 | 头部的顶部圆角 | | backgroundColor | string(color) | #fff | 背景色 | | confirmStyle | object (style) | {padding: '10px'} | 确认按钮文本样式 | | cancelStyle | object (style) | {padding: '10px'} | 取消按钮文本样式 |

customHead : view

自定义头部,即滑动选择块上面的一部分内容,非必要参数。自定义头部会替换掉默认的包含「确认」,「取消」按钮的 View。

如果你需要在自定义的头部 View 中通过点击事件获取到结果,即达到「确认」按钮的效果,那就需要给当前picker组件指定一个 Ref,再通过getResult方法得到结果,详情参考下面的getResult方法

方法

如果你使用了自定义头部,且包含了「确认」「取消」按钮,那么就需要为 picker 组件设置 ref。然后将 ref 上的方法绑定到你的确事件上才能获取到选择结果。


getResult()

除非你使用自定义头部,否则都应该使用 confirm 方法 表示选定, 而不是使用这个方法。

通过设置ref,可以实时获取到已选择的数据,如下:

export default function App() {
  const [showName, setShowName] = useState(0);
  const pickerRef = useRef();
  return(
    <ModalParPicker
        ref={pickerRef}
        show={showName === 2}
        dataSource={Spec})
        ...
         customHead={
          <MyHead
            confirm={() => {
              const data = pickerRef.current.getResult();
              console.info("data2", data);
              setShowName(0);
            }}
          />
        }
    </ModalCasPicker>

实验性功能

onceChange : (dataArray) => { }

每次选择改变发生都会执行,返回当前的实时结果。

defaultValueIndexes

默认选中值,待完善

其他

数据源格式

级联数据:

[
  {
    "name": "Asia",
    "id": 1,
    "list": [
      {
        "name": "China",
        "id": 100,
        "list": [
          {
            "name": "Beijing",
            "id": 1101
          }
        ]
      },
      {
        "name": "South Korea",
        "id": 200,
        "list": []
      }
    ]
  }
]

平行数据 ( 一个二维数组 ):

[
  [
    {
      "name": "2015",
      "id": 11
    }
  ],
  [
    {
      "name": "july",
      "id": 201
    },
    {
      "name": "August",
      "id": 202
    }
  ],
  [
    {
      "name": "1st",
      "id": 2101
    }
  ]
]