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index.tsx
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import Taro, { Component } from '@tarojs/taro'
import {Picker, View} from "@tarojs/components";
// eslint-disable-next-line no-unused-vars
import * as React from "react";
import {AtListItem} from "taro-ui";
// @ts-ignore
import myStyle from "./scss/index.module.scss"
// 选择器属性
interface MyPickerProps {
/**
* 选择器类型
*/
mode: any,
/**
* value 改变时触发 change 事件,event.detail = {value}
*/
onChange: any,
/**
* 列改变时触发
*/
onColumnChange?: any,
/**
* 表示选择了 range 中的第几个(下标从 0 开始)
*/
value: any,
/**
* mode为 selector 或 multiSelector 时,range 有效
*/
range?: any,
/**
* 当 range 是一个 Object Array 时,通过 rangeKey 来指定 Object 中 key 的值作为选择器显示内容
*/
rangeKey?: any,
/**
* 元素的标题
*/
title?: string,
/**
* 额外信息的文本
*/
extraText?: string,
/**
* 箭头的方向
*/
arrow?: 'up' | 'down' | 'right',
/**
* 是否必填
*/
required?: boolean,
}
// 选择器组件
class MyPicker extends Component<MyPickerProps>{
defaultProps={
required: false,
};
render() {
const { required, mode, onChange, onColumnChange, value, range, rangeKey, title, extraText, arrow } = this.props;
const leftMarginRequired = '-7px';
const leftMargin = '4px';
return (
<View className='at-row'>
{
required && <View className={`${myStyle.picker_title}`} />
}
<View className='at-col-12'>
<Picker mode={mode} onChange={onChange} onColumnChange={onColumnChange} value={value} range={range} rangeKey={rangeKey}>
<View style={{marginLeft: required ? leftMarginRequired : leftMargin}}>
<AtListItem
className={`${required ? myStyle.picker_item_required : myStyle.picker_item}`}
title={title}
extraText={extraText}
arrow={arrow}
/>
</View>
</Picker>
</View>
</View>
);
}
}
export default MyPicker;