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			289 lines
		
	
	
		
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			Vue
		
	
	
	
	
	
		
		
			
		
	
	
			289 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
|   | <template> | |||
|  | 	<u-popup | |||
|  | 		:show="show" | |||
|  | 		mode="bottom" | |||
|  | 		closeable | |||
|  | 		@close="close" | |||
|  | 		round | |||
|  | 		:closeOnClickOverlay="closeOnClickOverlay" | |||
|  | 	> | |||
|  | 		<view class="u-calendar"> | |||
|  | 			<uHeader | |||
|  | 				:title="title" | |||
|  | 				:subtitle="subtitle" | |||
|  | 				:showSubtitle="showSubtitle" | |||
|  | 				:showTitle="showTitle" | |||
|  | 			></uHeader> | |||
|  | 			<scroll-view | |||
|  | 				:style="{ | |||
|  | 					height: $u.addUnit(listHeight) | |||
|  | 				}" | |||
|  | 				scroll-y | |||
|  | 				@scroll="onScroll" | |||
|  | 				:scrollIntoView="scrollIntoView" | |||
|  | 			> | |||
|  | 				<uMonth | |||
|  | 					:color="color" | |||
|  | 					:rowHeight="rowHeight" | |||
|  | 					:showMark="showMark" | |||
|  | 					:months="months" | |||
|  | 					:mode="mode" | |||
|  | 					:maxCount="maxCount" | |||
|  | 					:startText="startText" | |||
|  | 					:endText="endText" | |||
|  | 					:defaultDate="defaultDate" | |||
|  | 					:minDate="minDate" | |||
|  | 					:maxDate="maxDate" | |||
|  | 					:maxMonth="maxMonth" | |||
|  | 					:readonly="readonly" | |||
|  | 					:maxRange="maxRange" | |||
|  | 					:rangePrompt="rangePrompt" | |||
|  | 					:showRangePrompt="showRangePrompt" | |||
|  | 					:allowSameDay="allowSameDay" | |||
|  | 					ref="month" | |||
|  | 					@monthSelected="monthSelected" | |||
|  | 					@updateMonthTop="updateMonthTop" | |||
|  | 				></uMonth> | |||
|  | 			</scroll-view> | |||
|  | 			<slot name="footer" v-if="showConfirm"> | |||
|  | 				<view class="u-calendar__confirm"> | |||
|  | 					<u-button | |||
|  | 						shape="circle" | |||
|  | 						:text="buttonDisabled ? confirmDisabledText : confirmText" | |||
|  | 						:color="color" | |||
|  | 						@click="confirm" | |||
|  | 						:disabled="buttonDisabled" | |||
|  | 					></u-button> | |||
|  | 				</view> | |||
|  | 			</slot> | |||
|  | 		</view> | |||
|  | 	</u-popup> | |||
|  | </template> | |||
|  | 
 | |||
|  | <script> | |||
|  | 	import uHeader from './header.vue'; | |||
|  | 	import uMonth from './month.vue'; | |||
|  | 	import props from './props.js'; | |||
|  | 	import util from './util.js'; | |||
|  | 	import dayjs from '../../libs/util/dayjs.js'; | |||
|  | 	import Calendar from '../../libs/util/calendar.js'; | |||
|  | 	/** | |||
|  | 	 * Calendar 日历 | |||
|  | 	 * @description  此组件用于单个选择日期,范围选择日期等,日历被包裹在底部弹起的容器中. | |||
|  | 	 * @tutorial https://www.uviewui.com/components/calendar.html
 | |||
|  | 	 *  | |||
|  | 	 * @property {String}				title				标题内容 (默认 日期选择 ) | |||
|  | 	 * @property {Boolean}				showTitle			是否显示标题  (默认 true ) | |||
|  | 	 * @property {Boolean}				showSubtitle		是否显示副标题	(默认 true ) | |||
|  | 	 * @property {String}				mode				日期类型选择  single-选择单个日期,multiple-可以选择多个日期,range-选择日期范围 ( 默认 'single' ) | |||
|  | 	 * @property {String}				startText			mode=range时,第一个日期底部的提示文字  (默认 '开始' ) | |||
|  | 	 * @property {String}				endText				mode=range时,最后一个日期底部的提示文字 (默认 '结束' ) | |||
|  | 	 * @property {Array}				customList			自定义列表  | |||
|  | 	 * @property {String}				color				主题色,对底部按钮和选中日期有效  (默认 ‘#3c9cff' ) | |||
|  | 	 * @property {String | Number}		minDate				最小的可选日期	 (默认 0 ) | |||
|  | 	 * @property {String | Number}		maxDate				最大可选日期  (默认 0 ) | |||
|  | 	 * @property {Array | String| Date}	defaultDate			默认选中的日期,mode为multiple或range是必须为数组格式  | |||
|  | 	 * @property {String | Number}		maxCount			mode=multiple时,最多可选多少个日期  (默认 	Number.MAX_SAFE_INTEGER  ) | |||
|  | 	 * @property {String | Number}		rowHeight			日期行高 (默认 56 ) | |||
|  | 	 * @property {Function}				formatter			日期格式化函数 | |||
|  | 	 * @property {Boolean}				showLunar			是否显示农历  (默认 false ) | |||
|  | 	 * @property {Boolean}				showMark			是否显示月份背景色 (默认 true ) | |||
|  | 	 * @property {String}				confirmText			确定按钮的文字 (默认 '确定' ) | |||
|  | 	 * @property {String}				confirmDisabledText	确认按钮处于禁用状态时的文字 (默认 '确定' ) | |||
|  | 	 * @property {Boolean}				show				是否显示日历弹窗 (默认 false ) | |||
|  | 	 * @property {Boolean}				closeOnClickOverlay	是否允许点击遮罩关闭日历 (默认 false ) | |||
|  | 	 * @property {Boolean}				readonly	        是否为只读状态,只读状态下禁止选择日期 (默认 false ) | |||
|  | 	 * @property {String | Number}		maxRange	        日期区间最多可选天数,默认无限制,mode = range时有效 | |||
|  | 	 * @property {String}				rangePrompt	        范围选择超过最多可选天数时的提示文案,mode = range时有效 | |||
|  | 	 * @property {Boolean}				showRangePrompt	    范围选择超过最多可选天数时,是否展示提示文案,mode = range时有效 (默认 true ) | |||
|  | 	 * @property {Boolean}				allowSameDay	    是否允许日期范围的起止时间为同一天,mode = range时有效 (默认 false ) | |||
|  | 	 *  | |||
|  | 	 * @event {Function()} confirm 		点击确定按钮时触发		选择日期相关的返回参数 | |||
|  | 	 * @event {Function()} close 		日历关闭时触发			可定义页面关闭时的回调事件 | |||
|  | 	 * @example <u-calendar  :defaultDate="defaultDateMultiple" :show="show" mode="multiple" @confirm="confirm"> | |||
|  | 	</u-calendar> | |||
|  | 	 * */  | |||
|  | 	export default { | |||
|  | 		name: 'u-calendar', | |||
|  | 		mixins: [uni.$u.mpMixin, uni.$u.mixin, props], | |||
|  | 		components: { | |||
|  | 			uHeader, | |||
|  | 			uMonth | |||
|  | 		}, | |||
|  | 		data() { | |||
|  | 			return { | |||
|  | 				// 需要显示的月份的数组
 | |||
|  | 				months: [], | |||
|  | 				// 在月份滚动区域中,当前视图中月份的index索引
 | |||
|  | 				monthIndex: 0, | |||
|  | 				// 月份滚动区域的高度
 | |||
|  | 				listHeight: 0, | |||
|  | 				// month组件中选择的日期数组
 | |||
|  | 				selected: [], | |||
|  | 				// 如果没有设置最大可选日期,默认为往后推3个月
 | |||
|  | 				maxMonth: 3, | |||
|  | 				scrollIntoView: '', | |||
|  | 				// 过滤处理方法
 | |||
|  | 				innerFormatter: value => value | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		watch: { | |||
|  | 			selectedChange: { | |||
|  | 				immediate: true, | |||
|  | 				handler(n) { | |||
|  | 					this.setMonth() | |||
|  | 				} | |||
|  | 			}, | |||
|  | 			// 打开弹窗时,设置月份数据
 | |||
|  | 			show: { | |||
|  | 				immediate: true, | |||
|  | 				handler(n) { | |||
|  | 					this.setMonth() | |||
|  | 				} | |||
|  | 			}, | |||
|  | 		}, | |||
|  | 		computed: { | |||
|  | 			// 多个条件的变化,会引起选中日期的变化,这里统一管理监听
 | |||
|  | 			selectedChange() { | |||
|  | 				return [this.minDate, this.maxDate, this.defaultDate] | |||
|  | 			}, | |||
|  | 			subtitle() { | |||
|  | 				// 初始化时,this.months为空数组,所以需要特别判断处理
 | |||
|  | 				if (this.months.length) { | |||
|  | 					return `${this.months[this.monthIndex].year}年${this.months[this.monthIndex].month}月` | |||
|  | 				} else { | |||
|  | 					return '' | |||
|  | 				} | |||
|  | 			}, | |||
|  | 			buttonDisabled() { | |||
|  | 				// 如果为range类型,且选择的日期个数不足1个时,让底部的按钮出于disabled状态
 | |||
|  | 				if (this.mode === 'range') { | |||
|  | 					if (this.selected.length <= 1) { | |||
|  | 						return true | |||
|  | 					} else { | |||
|  | 						return false | |||
|  | 					} | |||
|  | 				} else { | |||
|  | 					return false | |||
|  | 				} | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		mounted() { | |||
|  | 			this.start = Date.now() | |||
|  | 			this.init() | |||
|  | 		}, | |||
|  | 		methods: { | |||
|  | 			// 在微信小程序中,不支持将函数当做props参数,故只能通过ref形式调用
 | |||
|  | 			setFormatter(e) { | |||
|  | 				this.innerFormatter = e | |||
|  | 			}, | |||
|  | 			// month组件内部选择日期后,通过事件通知给父组件
 | |||
|  | 			monthSelected(e) { | |||
|  | 				this.selected = e | |||
|  | 				if(!this.showConfirm) { | |||
|  | 					// 在不需要确认按钮的情况下,如果为单选,或者范围多选且已选长度大于2,则直接进行返还
 | |||
|  | 					if (this.mode === 'multiple' || this.mode === 'single' || this.mode === 'range' && this.selected.length >= 2) { | |||
|  | 						this.$emit('confirm', this.selected) | |||
|  | 					} | |||
|  | 				} | |||
|  | 			}, | |||
|  | 			init() { | |||
|  | 				// 滚动区域的高度
 | |||
|  | 				this.listHeight = this.rowHeight * 5 + 30 | |||
|  | 				this.setMonth() | |||
|  | 			}, | |||
|  | 			close() { | |||
|  | 				this.$emit('close') | |||
|  | 			}, | |||
|  | 			// 点击确定按钮
 | |||
|  | 			confirm() { | |||
|  | 				if (!this.buttonDisabled) { | |||
|  | 					this.$emit('confirm', this.selected) | |||
|  | 				} | |||
|  | 			}, | |||
|  | 			// 设置月份数据
 | |||
|  | 			setMonth() { | |||
|  | 				// 最小日期的毫秒数
 | |||
|  | 				const minDate = this.minDate || dayjs().valueOf() | |||
|  | 				// 如果没有指定最大日期,则往后推3个月
 | |||
|  | 				const maxDate = this.maxDate || dayjs(minDate).add(this.maxMonth - 1, 'month').valueOf() | |||
|  | 				// 最小与最大月份
 | |||
|  | 				let minMonth = dayjs(minDate).month() + 1 | |||
|  | 				let maxMonth = dayjs(maxDate).month() + 1 | |||
|  | 				// 如果maxMonth小于minMonth,则意味着maxMonth为下一年的月份,需要加上12,为的是计算出两个月份之间间隔着多少月份
 | |||
|  | 				maxMonth = minMonth > maxMonth ? maxMonth + 12 : maxMonth | |||
|  | 				// 最大最小月份之间的共有多少个月份
 | |||
|  | 				const months = Math.abs(minMonth - maxMonth) | |||
|  | 				// 先清空数组
 | |||
|  | 				this.months = [] | |||
|  | 				for (let i = 0; i <= months; i++) { | |||
|  | 					this.months.push({ | |||
|  | 						date: new Array(dayjs(minDate).add(i, 'month').daysInMonth()).fill(1).map((item, | |||
|  | 							index) => { | |||
|  | 							// 日期,取值1-31
 | |||
|  | 							let day = index + 1 | |||
|  | 							// 星期,0-6,0为周日
 | |||
|  | 							const week = dayjs(minDate).add(i, "month").date(day).day() | |||
|  | 							const date = dayjs(minDate).add(i, "month").date(day).format("YYYY-MM-DD") | |||
|  | 							let bottomInfo = '' | |||
|  | 							if (this.showLunar) { | |||
|  | 								// 将日期转为农历格式
 | |||
|  | 								const lunar = Calendar.solar2lunar(dayjs(date).year(), dayjs(date) | |||
|  | 									.month() + 1, dayjs(date).date()) | |||
|  | 								bottomInfo = lunar.IDayCn | |||
|  | 							} | |||
|  | 							let config = { | |||
|  | 								day, | |||
|  | 								week, | |||
|  | 								// 小于最小允许的日期,或者大于最大的日期,则设置为disabled状态
 | |||
|  | 								disabled: dayjs(date).isBefore(dayjs(minDate).format("YYYY-MM-DD")) || | |||
|  | 									dayjs(date).isAfter(dayjs(maxDate).format("YYYY-MM-DD")), | |||
|  | 								// 返回一个日期对象,供外部的formatter获取当前日期的年月日等信息,进行加工处理
 | |||
|  | 								date: new Date(date), | |||
|  | 								bottomInfo, | |||
|  | 								dot: false, | |||
|  | 								month: dayjs(minDate).add(i, "month").month() + 1 | |||
|  | 							} | |||
|  | 							const formatter = this.formatter || this.innerFormatter | |||
|  | 							return formatter(config) | |||
|  | 						}), | |||
|  | 						// 当前所属的月份
 | |||
|  | 						month: dayjs(minDate).add(i, "month").month() + 1, | |||
|  | 						// 当前年份
 | |||
|  | 						year: dayjs(minDate).add(i, "month").year() | |||
|  | 					}); | |||
|  | 				} | |||
|  | 			}, | |||
|  | 			// scroll-view滚动监听
 | |||
|  | 			onScroll(event) { | |||
|  | 				// 不允许小于0的滚动值,如果scroll-view到顶了,继续下拉,会出现负数值
 | |||
|  | 				const scrollTop = Math.max(0, event.detail.scrollTop) | |||
|  | 				// 将当前滚动条数值,除以滚动区域的高度,可以得出当前滚动到了哪一个月份的索引
 | |||
|  | 				for (let i = 0; i < this.months.length; i++) { | |||
|  | 					if (scrollTop >= (this.months[i].top || this.listHeight)) { | |||
|  | 						this.monthIndex = i | |||
|  | 					} | |||
|  | 				} | |||
|  | 			}, | |||
|  | 			// 更新月份的top值
 | |||
|  | 			updateMonthTop(topArr = []) { | |||
|  | 				// 设置对应月份的top值,用于onScroll方法更新月份
 | |||
|  | 				topArr.map((item, index) => { | |||
|  | 					this.months[index].top = item | |||
|  | 				})  | |||
|  | 			} | |||
|  | 		}, | |||
|  | 	} | |||
|  | </script> | |||
|  | 
 | |||
|  | <style lang="scss" scoped> | |||
|  | 	@import "../../libs/css/components.scss"; | |||
|  | 
 | |||
|  | 	.u-calendar { | |||
|  | 
 | |||
|  | 		&__confirm { | |||
|  | 			padding: 7px 18px; | |||
|  | 		} | |||
|  | 	} | |||
|  | </style> |