uniapp 微信小程序 自定义日历组件

效果图

功能：可以记录当天是否有某些任务或者某些记录

具体使用：

子组件代码

<template>
	<view class="Accumulate">
		<view class="bx">
			<view class="bxx">
				<view class="plank">
				</view>
				<view class="calendar">
					<view class="calendarbx">
						<view class="calendarview flex jc ac">
							<u-icon name="arrow-left" color="#232323" size="18" @click="addmonth(1)"></u-icon>
							<view class="title">
								{{viewday}}
							</view>
							<u-icon name="arrow-right" color="#232323" size="18" @click="addmonth(2)"></u-icon>
						</view>
						<view class="week flex  ac">
							<view class="weekli" v-for="(item,index) in week">
								{{item.title}}
							</view>
						</view>
						<view class="data">
							<view class=" flex  ac flexwrap" v-if="show">
								<view class="datali flex jc ac" v-for="(item,index) in days" :key="item">
									<!-- 三层判断条件 -->
									<view class="dataliradius flex jc ac flexwrap"
										:class="newday==item&&isnewmonth&&chooseday==item?'dataliradiusc':newday==item&&isnewmonth&&chooseday!=item?'dataliradiuscc':newday!=item&&chooseday==item?'dataliradiusc':''"
										@click.stop="funchoosedayy(item)">
										{{item==newday&&isnewmonth?'今':item}}
										<view class="rounds">
											<view class="round" v-if="recordlist.includes(item)&&item!=chooseday">
											</view>
										</view>
									</view>
								</view>
							</view>
							<!-- 以下是为了防止切换闪烁而复制了一份用于展示 -->
							<view class=" flex  ac flexwrap" v-else>
								<view class="datali flex jc ac" v-for="(item,index) in days" :key="item">
									<!-- 三层判断条件 -->
									<view class="dataliradius flex jc ac flexwrap"
										:class="newday==item&&isnewmonth&&chooseday==item?'dataliradiusc':newday==item&&isnewmonth&&chooseday!=item?'dataliradiuscc':newday!=item&&chooseday==item?'dataliradiusc':''">
										{{item==newday&&isnewmonth?'今':item}}
										<view class="rounds" v-if="recordlist.includes(item)&&item!=chooseday">
											<view class="round">
											</view>
										</view>
									</view>
								</view>
							</view>
						</view>
					</view>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				day: Number(new Date()), //用于记录今天
				showday: null, //用来存储要加减的日期
				viewday: null, //页面上展示的日期
				newday: null, //当天几号
				isnewmonth: true, //是否是当月
				chooseday: null, //选中的那一天
				show: true,
				week: [{
						title: '一'
					},
					{
						title: '二'
					},
					{
						title: '三'
					},
					{
						title: '四'
					},
					{
						title: '五'
					},
					{
						title: '六'
					},
					{
						title: '日'
					}
				],
				days: [], //天数数组
				height: 0
			};
		},
props:{
			recordlist:{
				default: [], //是否有练习记录，需要每次切换月份的时候查询，那几天有练习记录，下标会记录
				stype:Array
			}
		},
		onLoad() {

		},
		onReady() {
			let time = this.yearFormat(this.day, 'obj')
			this.newday = time.day; //当天日期只用初始化一次就不用再初始化了
			this.showday = time.year + '-' + time.month + '-' + time.day; //用来存储要加减的日期
			this.viewday = this.yearFormat(this.showday) //页面上展示的日期
			this.chooseday = time.day;
			this.addmonth(0) //初始化时间
		},
		methods: {

			//选中日期
			funchoosedayy(item) {
				// console.log(item, '选中几号');
				if (item == '') {
					return
				}
				this.chooseday = item;
				let dataobj = this.showday.split('-');
				let month;
				let year;
				let day;
				let sendtime = dataobj[0] + '-' + dataobj[1] + '-' + this.chooseday;
				this.$emit('sendtime', '选中的时间:' + sendtime);
			},
			//加减月份,初始化月份
			addmonth(type) {
				this.show = false;
				setTimeout(() => {
					this.show = true;
				}, 100)
				let newmonth = this.yearFormat(this.day, 'obj')
				let dataobj = this.showday.split('-');
				let month;
				let year;
				let day;
				//加
				if (type == 2) {
					if (dataobj[1] == 12) {
						month = 1;
						year = (dataobj[0] * 1) + 1
					} else {
						year = (dataobj[0] * 1);
						month = (dataobj[1] * 1) + 1
					}
				}
				//减
				if (type == 1) {
					if (dataobj[1] == 1) {
						month = 12;
						year = (dataobj[0] * 1) - 1
					} else {
						year = (dataobj[0] * 1);
						month = (dataobj[1] * 1) - 1
					}
				}

				//初始化使用
				if (type == 0) {
					month = (dataobj[1] * 1);
					year = (dataobj[0] * 1);
				}

				let daynum = this.getDaysInYearMonth(year, month);
				this.days = daynum; //获取天数
				let week = this.getDayOfWeek(year, month, 1) //获取每个月1号星期几
				//0 相当于星期日
				let addday;
				if (week == 0) {
					addday = 6;
				} else {
					addday = (week - 1)
				}
				for (let i = 0; i < addday; i++) {
					this.days.unshift('')
					this.$forceUpdate()
				}
				//判断是否是当月,是当月的话，选中当天日期，不是则是当月1号
				if (newmonth.month == month) {
					day = dataobj[2];
					this.chooseday = newmonth.day;
					this.isnewmonth = true;
					this.showday = year + '-' + month + '-' + day;
					this.viewday = year + '年' + month + '月';
					// console.log(this.showday, '当月');
					this.$forceUpdate()
				} else {
					day = 1;
					this.chooseday = day;
					this.isnewmonth = false;
					this.showday = year + '-' + month + '-' + day;
					this.viewday = year + '年' + month + '月';
					this.$forceUpdate()
				}
				// console.log(this.days);
				this.$emit('state_sendtime', '初始化时间:' + this.showday);
				this.$forceUpdate()
			},
			//获取年月
			yearFormat(num, obj) {
				//过滤器 用于格式化时间
				let date = new Date(num); //时间戳为10位需*1000，时间戳为13位的话不需乘1000
				let year = date.getFullYear();
				let month = ("0" + (date.getMonth() + 1)).slice(-2);
				let sdate = ("0" + date.getDate()).slice(-2);
				let hour = ("0" + date.getHours()).slice(-2);
				let minute = ("0" + date.getMinutes()).slice(-2);
				let second = ("0" + date.getSeconds()).slice(-2);
				let result;
				if (obj) {
					// 拼接
					result = {
						year: year,
						month: month,
						day: sdate
					}
				} else {
					result = year + '年' + month + '月'

				}
				// 返回
				return result;
			},
			// 获取该年该月的天数
			getDaysInYearMonth(year, month) {
				// 每一次进行更新前,先清空日期数组
				month = parseInt(month, 10);
				// javascript中Date()对象的getDate()是获取时间对象对应于一个月中的某一天（1~31），当设置为0的时候，getDate()返回的就是最后一天，刚好对应我们需要的值。
				var date = new Date(year, month, 0);
				let arr = [];
				for (var i = 1; i <= date.getDate(); i++) {
					arr.push(i)
				}
				return arr;
			},
			//获取周几
			// console.log(getDayOfWeek(2023, 10, 5)); // 输出：星期四
			// 0就是 周日
			getDayOfWeek(year, month, day) {
				console.log(year, (month * 1), day);
				const date = new Date(year + '-' + (month * 1) + '-' + day).getDay(); // 注意月份是从0开始计数
				const options = {
					weekday: 'long'
				};
				//new Intl.DateTimeFormat('zh-CN', options).format(date)
				return date;
			}
		}
	}
</script>

<style lang="less" scoped>
	.Accumulate {
		// position: relative;
	}

	.back {
		width: 100%;
		height: 360rpx;
		border-radius: 0 0 60rpx 60rpx;
		background: #3366ff;
		position: absolute;
	}

	.Evaluationlist {
		margin-top: 30rpx;
		padding: 0 30rpx;
		box-sizing: border-box;
		overflow: scroll;

		.Evaluationlistli {
			padding: 30rpx 20rpx;
			box-sizing: border-box;
			border-radius: 30rpx;
			background: #fff;
			margin-bottom: 30rpx;

			.left {
				// display: block;
				width: 70%;
				max-height: 100rpx;
			}

			.right {
				padding: 10rpx 30rpx;
				height: 60rpx;
				box-sizing: border-box;
				border-radius: 20rpx;
				background: #3366ff;
				color: #fff;

			}

			.rightb {
				padding: 10rpx 30rpx;
				height: 60rpx;
				box-sizing: border-box;
				border-radius: 20rpx;
				background: #fff;
				color: #3366ff;
				border: 1rpx solid #3366ff;
			}
		}
	}

	.bx {
		width: 100%;
		// position: absolute;
		z-index: 999;

		.plank {
			width: 100%;
			height: 30rpx;
		}
	}

	.viewdata {
		width: 100%;
		height: 130rpx;
		padding: 0 30rpx;
		box-sizing: border-box;

		.viewdatali {
			width: 46%;
			height: 100%;
			border-radius: 30rpx;

			.num {
				width: 100%;
				font-size: 38rpx;
				font-weight: bold;
				text-align: center;
			}

			.title {
				width: 100%;
				font-size: 24rpx;
				margin-top: 5rpx;
				text-align: center;
			}
		}

		.viewdataliA {
			background: #f5f5f5;
			color: skyblue;
		}

		.viewdataliB {
			background: #f5f5f5;
			color: pink;
		}



	}

	.calendar {
		width: 100%;
		// padding: 30rpx 30rpx 0rpx 30rpx;
		box-sizing: border-box;

		// border-radius: 30rpx;
		.calendarbx {
			width: 100%;
			padding: 30rpx 30rpx 0rpx 30rpx;
			box-sizing: border-box;
			border-radius: 30rpx;
			background: #fff;

			.calendarview {
				background: lightgoldenrodyellow;
				padding: 10rpx 20rpx;
				box-sizing: border-box;

				.title {
					color: #232323;
					font-size: 28rpx;
					margin-left: 100rpx;
					margin-right: 100rpx;
				}
			}

			.week {
				font-size: 26rpx;
				color: #999;
				margin-top: 30rpx;

				.weekli {
					width: 12.2%;
					height: 30rpx;
					text-align: center;
					margin-right: 2.4%;
					line-height: 30rpx;
				}

				.weekli:nth-child(7n+7) {
					margin-right: 0% !important;
				}
			}

			.data {
				font-size: 28rpx;
				color: #999;
				margin-top: 40rpx;
				font-weight: bold;
				min-height: 410rpx;

				.datali {
					width: 12.2%;
					height: 50rpx;
					// text-align: center;
					margin-right: 2.4%;
					margin-bottom: 40rpx;

					.dataliradius {
						width: 50rpx;
						height: 50rpx;
						border-radius: 999%;
						background: #fff;
						line-height: 50rpx;
						color: #232323 !important;

						.rounds {
							width: 100%;
							height: 10rpx;

							.round {
								width: 10rpx;
								height: 10rpx;
								border-radius: 999%;
								background: #3366ff;
								margin: auto;
							}
						}
					}

					.dataliradiuscc {
						color: #3366ff !important;


					}

					.dataliradiusc {
						width: 50rpx;
						height: 50rpx;
						border-radius: 999%;
						background: #3366ff;
						color: #fff !important;
						line-height: 50rpx;


					}
				}

				.datali:nth-child(7n+7) {
					margin-right: 0% !important;
				}
			}
		}
	}
</style>

父组件

			<customCalendar @sendtime="sendtime" @state_sendtime="state_sendtime" :recordlist="[27, 25, 26, 29, 28]" ></customCalendar>

有需求可以自行修改。