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feat(DatePicker): Add new component
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‎example/examples/src/routes.tsx‎

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@@ -435,4 +435,12 @@ export const stackPageData: Routes[] = [
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description: 'Picker 解决 ios 与 android 和用户交互方式不同问题',
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},
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},
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{
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name: 'DatePicker',
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component: require('./routes/DatePicker').default,
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params: {
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title: 'DatePicker 日期选择器',
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description: 'DatePicker 年-月-日-时-分',
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},
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},
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];

‎example/examples/src/routes/DatePicker/index.tsx‎

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import React from 'react';
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import {Text, View} from 'react-native';
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import {DatePicker, Button} from '@uiw/react-native';
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import {ComProps} from '../../routes';
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import Layout, {Container} from '../../Layout';
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const {Header, Body, Footer} = Layout;
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export interface BadgeViewProps extends ComProps {}
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export default class BadgeView extends React.Component<BadgeViewProps> {
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state = {
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visible: false,
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};
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render() {
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const {route, navigation} = this.props;
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const description = route.params.description;
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const title = route.params.title;
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return (
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<Container scrollEnabled={false}>
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<Layout>
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<Header title={title} description={description} />
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<Body scrollEnabled={false}>
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<Button
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onPress={() => {
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this.setState({visible: true});
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}}>
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年月日
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</Button>
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<DatePicker
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visible={this.state.visible}
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onClosed={() => this.setState({visible: false})}
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precision="second"
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max="2021-11-30 23:50:50"
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/>
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</Body>
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<Footer />
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</Layout>
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</Container>
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);
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}
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}

‎example/examples/src/routes/Picker/index.tsx‎

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flexDirection: 'row',
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backgroundColor: '#fff',
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marginTop: 20,
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paddingVertical: 20,
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}}>
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<View style={{width: '50%'}}>
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<Picker data={arr as any} value={17} />

‎packages/core/src/DatePicker/README.md‎

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Picker 选择器
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---
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解决 ios 与 android 和用户交互方式不同问题.
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> 避免出现样式错乱问题, 请尽量使用统一整数数字高度。
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> 激活状态尽量不要改变高度, 只是修改颜色作为标记。
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<!--rehype:style=border-left: 8px solid #ffe564;background-color: #ffe56440;padding: 12px 16px;-->
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### 基础示例
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```jsx
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import { View } from 'react-native';
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import { Picker } from '@uiw/react-native';
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function Demo() {
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return (
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<View style={{ flex: 1 }}>
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<Picker
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date={[
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{label: '1'},
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{label: '2'},
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{label: '3'},
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{label: '4'},
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{label: '5'},
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]}
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/>
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</View>
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)
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}
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```
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### 使用自定义元素
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```jsx
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import { View, Text } from 'react-native';
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import { Picker } from '@uiw/react-native';
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function Demo() {
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return (
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<View style={{ flex: 1 }}>
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<Picker
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date={[
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{label: '1'},
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{label: '2'},
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{label: '3'},
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{label: '4'},
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{label: '5'},
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{label: '5',render: (label, record, index)=><Text>123</Text>},
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]}
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/>
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</View>
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)
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}
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```
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### Props
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```ts
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import { StyleProp, TextStyle, ViewStyle } from 'react-native';
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export interface PickerDate {
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label?: string,
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render?: (key: string, record: PickerDate, index: number)=>React.ReactNode,
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[key: string]: any
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}
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export interface PickerProps {
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/** 显示几行, 默认 3 */
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lines?: number,
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/** 指定需要显示的 key, 默认使用 data 的 label 属性 */
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key?: string,
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/** 需要渲染的数据 */
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date?: Array<PickerDate>,
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/** item 容器样式 */
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containerStyle?: {
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/** 激活的容器样式 */
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actived?: StyleProp<ViewStyle>,
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/** 未激活的容器样式 */
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unactived?: StyleProp<ViewStyle>,
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},
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/** 容器的文本样式 */
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textStyle?: {
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/** 激活的文本样式 */
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actived?: StyleProp<TextStyle>,
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/** 未激活的文本样式 */
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unactived?: StyleProp<TextStyle>,
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},
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/** 选中当前项的下标 */
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value?: number,
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/** value 改变时触发 */
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onChange?: (value: number)=>unknown,
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}
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```

‎packages/core/src/DatePicker/component/Control.tsx‎

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import React from 'react';
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import { View, StyleSheet, Text, TouchableHighlight } from 'react-native';
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export interface ControlProps {
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/** 确认时触发 */
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onConfirm?: () => void;
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/** 关闭模态框 */
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onClosed?: () => void;
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/** 确定按钮的文字 */
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okText?: string | React.ReactNode;
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/** 取消按钮的文字 */
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cancelText?: string | React.ReactNode;
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/** 确定取消按钮 当触摸处于活动状态时将显示的底层颜色 */
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underlayColor?: string;
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}
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const Control = (props: ControlProps) => {
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const { onConfirm, onClosed, okText, cancelText, underlayColor } = props;
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return (
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<View style={styles.container}>
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<TouchableHighlight style={styles.touchStyle} onPress={onClosed} underlayColor={underlayColor}>
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<Text style={styles.textStyle}>{cancelText}</Text>
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</TouchableHighlight>
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<TouchableHighlight style={styles.touchStyle} onPress={onConfirm} underlayColor={underlayColor}>
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<Text style={styles.textStyle}>{okText}</Text>
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</TouchableHighlight>
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</View>
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);
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};
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const styles = StyleSheet.create({
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container: {
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flexDirection: 'row',
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justifyContent: 'space-between',
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alignItems: 'center',
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height: 50,
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paddingVertical: 0,
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paddingHorizontal: 0,
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},
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touchStyle: {
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paddingHorizontal: 25,
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borderRadius: 5,
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paddingVertical: 0,
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height: 50,
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},
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textStyle: {
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color: '#1677ff',
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fontSize: 18,
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lineHeight: 50,
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},
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});
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export default Control;

‎packages/core/src/DatePicker/component/PickerView.tsx‎

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import React, { useState, useEffect, useRef, useMemo } from 'react';
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import { View, StyleSheet, Text, StyleProp, TextStyle } from 'react-native';
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import Picker, { PickerProps } from '../../Picker';
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// export interface PickerDate {
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// label?: string;
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// render?: (key: string, record: PickerData, index: number) => React.ReactNode;
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// [key: string]: any;
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// }
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enum DateObject {
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year = '年',
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month = '月',
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day = '日',
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hour = '时',
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minute = '分',
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second = '秒',
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}
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export type DateKey = keyof typeof DateObject;
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export interface PickerViewProps extends PickerProps {
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title: DateKey;
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showTitle?: boolean;
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titleStyle?: StyleProp<TextStyle>;
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getTypeDate: (index: number, label: string, title: DateKey) => unknown;
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renderTitle?: (text: '年' | '月' | '日' | '时' | '分' | '秒') => React.ReactNode;
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}
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const PickerView = (props: PickerViewProps) => {
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const { title, showTitle, titleStyle, renderTitle, getTypeDate, value, ...other } = props;
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const textStyle = StyleSheet.flatten([styles.textStyle, titleStyle]);
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const [state, setState] = useState<number>(0);
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useEffect(() => {
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setState(value || 0);
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}, [value]);
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useEffect(() => {
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getTypeDate(state, other.data?.[state]?.label!, title);
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}, [state]);
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return (
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<View style={{ flex: 1 }}>
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{showTitle &&
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(renderTitle ? (
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renderTitle(DateObject[title as DateKey])
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) : (
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<View style={styles.viewStyle}>
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<Text style={textStyle}>{DateObject[title as DateKey]}</Text>
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</View>
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))}
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<Picker {...other} value={state} onChange={(val) => setState(val)} />
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</View>
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);
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};
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const styles = StyleSheet.create({
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viewStyle: {
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height: 50,
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alignItems: 'center',
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justifyContent: 'center',
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borderTopWidth: 1,
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borderTopColor: '#E6E6E6',
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},
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textStyle: {
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fontSize: 18,
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color: '#000',
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paddingVertical: 0,
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paddingHorizontal: 0,
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},
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});
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export default PickerView;

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