web前端之uniApp实现选择时间功能

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1、孙子组件

1.1、html部分

<template>
	<view>
		<checkbox-group @change="checkboxChange">
			<view class="check_number_box">
				<view class="check_number_item" v-for="(item, i) in checkNumberData" :key="i">
					<view>
						
						<checkbox :value="item.toString()" :checked="item == defaultValue[0]" />
					view>
					<text>{{ item }}text>
				view>
			view>
		checkbox-group>
	view>
template>
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---

1.2、JavaScript部分

export default {
	props: {
		checkNumberData: {
			type: Number,
			default: () => {
				return 7
			},
		}
	},

	data() {
		return {
			defaultValue: [1]
		}
	},

	methods: {
		checkboxChange(event) {
			this.defaultValue = event.detail.value;
		}
	}
}
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---

1.3、css部分

* {
	margin: 0;
	padding: 0;
}

.check_number_box {
	box-sizing: border-box;
	padding: 10rpx 50rpx;
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	grid-gap: 10rpx 10rpx;
}

.check_number_item {
	display: flex;
	justify-content: flex-start;
	align-items: center;
	font-size: 30rpx;
}

.check_number_item>text {
	margin-left: 6rpx;
}
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---

2、子组件

2.1、html部分

<template>
	<view>
		<view class="set_cycle_box">
			<radio-group @change="radioChange">
				<view class="cycle_box">
					
					<view class="cycle_item">
						<view>每日view>
						<view>
							<radio value="1" checked="true" />
						view>
					view>

					
					<view class="cycle_item">
						<view>每周view>
						<view>
							<radio value="2" />
						view>
					view>
					<checkNumber :checkNumberData="weekCycle" v-show="current == 2" ref="weekData">checkNumber>

					
					<view class="cycle_item">
						<view>每月view>
						<view>
							<radio value="3" />
						view>
					view>
					<checkNumber :checkNumberData="dayCycle" v-show="current == 3" ref="dayData">checkNumber>

					
					<view class="cycle_item">
						<view>自定义view>
						<view>
							<radio value="4" />
						view>
					view>
					<view class="set_cycle_title" v-show="current == 4">
						请选择月份
					view>
					<checkNumber :checkNumberData="monthCycle" v-show="current == 4" ref="monthCustomaData">checkNumber>
					<view class="set_cycle_title" v-show="current == 4">
						请选择日期
					view>
					<checkNumber :checkNumberData="dayCycle" v-show="current == 4" ref="dayCustomaData">checkNumber>
				view>
			radio-group>

			<view class="submit" @click="submitBtn">
				确认
			view>
		view>
	view>
template>
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---

2.2、JavaScript部分

import checkNumber from '@/components/checkNumber/checkNumber.vue'

export default {
	components: {
		checkNumber
	},
	
	data() {
		return {
			current: 1,
			// 给孙子组件传递参数（start）
			weekCycle: 7,
			dayCycle: 31,
			monthCycle: 12,
			// 给孙子组件传递参数（end）
		}
	},

	methods: {
		// 单选状态
		radioChange(event) {
			let i = event.detail.value;
			this.current = i;
		},

		// 确认
		submitBtn() {
			let i = this.current;
			i = Number(i);

			let submitData = {};

			switch (i) {
				case 2:
					submitData.type = i;
					submitData.submitWeek = this.$refs.weekData.defaultValue;
					break;
				case 3:
					submitData.type = i;
					submitData.submitDay = this.$refs.dayData.defaultValue;
					break;
				case 4:
					submitData.type = i;
					submitData.submitCustomaMonth = this.$refs.monthCustomaData.defaultValue;
					submitData.submitCustomaDay = this.$refs.dayCustomaData.defaultValue;
					break;
				default:
					submitData.type = i;
					submitData.submitDay = [1];
			}

			this.$emit('clickSetCycle', submitData)
		}
	}
}
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---

2.3、css部分

.set_cycle_box {
	margin-top: 60rpx;
}

.cycle_box {
	padding: 0 50rpx;
	font-size: 30rpx;
	font-weight: 600;
}

.cycle_item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin: 16rpx 0;
}

.submit {
	background-color: #007AFF;
	color: #FFFFFF;
	font-size: 32rpx;
	font-weight: 600;
	width: 30%;
	line-height: 50rpx;
	text-align: center;
	border-radius: 10rpx;
	position: relative;
	left: 50%;
	transform: translate(-50%);
	margin: 60rpx 0;
}

.set_cycle_title {
	margin: 16rpx 0;
	font-size: 26rpx;
	color: #888888;
	padding-left: 50rpx;
}
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---

3、父组件

3.1、html部分

<template>
	<view>
		<setCycle @clickSetCycle="cycleControl">setCycle>
	view>
template>
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3.2、JavaScript部分

import setCycle from '../../components/setCycle/setCycle.vue'

export default {
	comments: {
		setCycle
	},

	data() {
		return {
			
		}
	},

	methods: {
		cycleControl(data) {
			console.log(data);
			// 
		},
	}
}
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4、效果图