forked from angelo/web-retail-h5
				
			
		
			
	
	
		
			385 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Vue
		
	
	
	
		
		
			
		
	
	
			385 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Vue
		
	
	
	
|  | <template> | |||
|  | 	<u-popup | |||
|  | 		:show="show" | |||
|  | 		mode="bottom" | |||
|  | 		closeable | |||
|  | 		@close="close" | |||
|  | 		:round="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" | |||
|  | 				:scroll-top="scrollTop" | |||
|  | 				:scrollIntoView="scrollIntoView" | |||
|  | 			> | |||
|  | 				<uMonth | |||
|  | 					:color="color" | |||
|  | 					:rowHeight="rowHeight" | |||
|  | 					:showMark="showMark" | |||
|  | 					:months="months" | |||
|  | 					:mode="mode" | |||
|  | 					:maxCount="maxCount" | |||
|  | 					:startText="startText" | |||
|  | 					:endText="endText" | |||
|  | 					:defaultDate="defaultDate" | |||
|  | 					:minDate="innerMinDate" | |||
|  | 					:maxDate="innerMaxDate" | |||
|  | 					:maxMonth="monthNum" | |||
|  | 					: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 ) | |||
|  |  * @property {Number|String}	    round				圆角值,默认无圆角  (默认 0 ) | |||
|  |  * @property {Number|String}	    monthNum			最多展示的月份数量  (默认 3 ) | |||
|  |  * | |||
|  |  * @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.$u.mixin, props], | |||
|  | 	components: { | |||
|  | 		uHeader, | |||
|  | 		uMonth | |||
|  | 	}, | |||
|  | 	data() { | |||
|  | 		return { | |||
|  | 			// 需要显示的月份的数组
 | |||
|  | 			months: [], | |||
|  | 			// 在月份滚动区域中,当前视图中月份的index索引
 | |||
|  | 			monthIndex: 0, | |||
|  | 			// 月份滚动区域的高度
 | |||
|  | 			listHeight: 0, | |||
|  | 			// month组件中选择的日期数组
 | |||
|  | 			selected: [], | |||
|  | 			scrollIntoView: '', | |||
|  | 			scrollTop:0, | |||
|  | 			// 过滤处理方法
 | |||
|  | 			innerFormatter: (value) => value | |||
|  | 		} | |||
|  | 	}, | |||
|  | 	watch: { | |||
|  | 		selectedChange: { | |||
|  | 			immediate: true, | |||
|  | 			handler(n) { | |||
|  | 				this.setMonth() | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		// 打开弹窗时,设置月份数据
 | |||
|  | 		show: { | |||
|  | 			immediate: true, | |||
|  | 			handler(n) { | |||
|  | 				this.setMonth() | |||
|  | 			} | |||
|  | 		} | |||
|  | 	}, | |||
|  | 	computed: { | |||
|  | 		// 由于maxDate和minDate可以为字符串(2021-10-10),或者数值(时间戳),但是dayjs如果接受字符串形式的时间戳会有问题,这里进行处理
 | |||
|  | 		innerMaxDate() { | |||
|  | 			return uni.$u.test.number(this.maxDate) | |||
|  | 				? Number(this.maxDate) | |||
|  | 				: this.maxDate | |||
|  | 		}, | |||
|  | 		innerMinDate() { | |||
|  | 			return uni.$u.test.number(this.minDate) | |||
|  | 				? Number(this.minDate) | |||
|  | 				: this.minDate | |||
|  | 		}, | |||
|  | 		// 多个条件的变化,会引起选中日期的变化,这里统一管理监听
 | |||
|  | 		selectedChange() { | |||
|  | 			return [this.innerMinDate, this.innerMaxDate, this.defaultDate] | |||
|  | 		}, | |||
|  | 		subtitle() { | |||
|  | 			// 初始化时,this.months为空数组,所以需要特别判断处理
 | |||
|  | 			if (this.months.length) { | |||
|  | 				return `${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() { | |||
|  | 			// 校验maxDate,不能小于minDate
 | |||
|  | 			if ( | |||
|  | 				this.innerMaxDate && | |||
|  | 				this.innerMinDate && | |||
|  | 				new Date(this.innerMaxDate).getTime() < new Date(this.innerMinDate).getTime() | |||
|  | 			) { | |||
|  | 				return uni.$u.error('maxDate不能小于minDate') | |||
|  | 			} | |||
|  | 			// 滚动区域的高度
 | |||
|  | 			this.listHeight = this.rowHeight * 5 + 30 | |||
|  | 			this.setMonth() | |||
|  | 		}, | |||
|  | 		close() { | |||
|  | 			this.$emit('close') | |||
|  | 		}, | |||
|  | 		// 点击确定按钮
 | |||
|  | 		confirm() { | |||
|  | 			if (!this.buttonDisabled) { | |||
|  | 				this.$emit('confirm', this.selected) | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		// 获得两个日期之间的月份数
 | |||
|  | 		getMonths(minDate, maxDate) { | |||
|  | 			const minYear = dayjs(minDate).year() | |||
|  | 			const minMonth = dayjs(minDate).month() + 1 | |||
|  | 			const maxYear = dayjs(maxDate).year() | |||
|  | 			const maxMonth = dayjs(maxDate).month() + 1 | |||
|  | 			return (maxYear - minYear) * 12 + (maxMonth - minMonth) + 1 | |||
|  | 		}, | |||
|  | 		// 设置月份数据
 | |||
|  | 		setMonth() { | |||
|  | 			// 最小日期的毫秒数
 | |||
|  | 			const minDate = this.innerMinDate || dayjs().valueOf() | |||
|  | 			// 如果没有指定最大日期,则往后推3个月
 | |||
|  | 			const maxDate = | |||
|  | 				this.innerMaxDate || | |||
|  | 				dayjs(minDate) | |||
|  | 					.add(this.monthNum - 1, 'month') | |||
|  | 					.valueOf() | |||
|  | 			// 最大最小月份之间的共有多少个月份,
 | |||
|  | 			const months = uni.$u.range( | |||
|  | 				1, | |||
|  | 				this.monthNum, | |||
|  | 				this.getMonths(minDate, maxDate) | |||
|  | 			) | |||
|  | 			// 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() | |||
|  | 				}) | |||
|  | 			} | |||
|  | 
 | |||
|  | 		}, | |||
|  | 		// 滚动到默认设置的月份
 | |||
|  | 		scrollIntoDefaultMonth(selected) { | |||
|  | 			// 查询默认日期在可选列表的下标
 | |||
|  | 			const _index = this.months.findIndex(({ | |||
|  | 				  year, | |||
|  | 				  month | |||
|  | 			  }) => { | |||
|  | 				month = uni.$u.padZero(month) | |||
|  | 				return `${year}-${month}` === selected | |||
|  | 			}) | |||
|  | 			if (_index !== -1) { | |||
|  | 				// #ifndef MP-WEIXIN
 | |||
|  | 				this.$nextTick(() => { | |||
|  | 					this.scrollIntoView = `month-${_index}` | |||
|  | 				}) | |||
|  | 				// #endif
 | |||
|  | 				// #ifdef MP-WEIXIN
 | |||
|  | 				this.scrollTop = this.months[_index].top || 0; | |||
|  | 				// #endif
 | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		// scroll-view滚动监听
 | |||
|  | 		onScroll(event) { | |||
|  | 			// 不允许小于0的滚动值,如果scroll-view到顶了,继续下拉,会出现负数值
 | |||
|  | 			const scrollTop = Math.max(0, event.detail.scrollTop) | |||
|  | 			// 将当前滚动条数值,除以滚动区域的高度,可以得出当前滚动到了哪一个月份的索引
 | |||
|  | 			for (let i = 0; i < this.months.length; i++) { | |||
|  | 				if (scrollTop >= (this.months[i].top || this.listHeight)) { | |||
|  | 					this.monthIndex = i | |||
|  | 				} | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		// 更新月份的top值
 | |||
|  | 		updateMonthTop(topArr = []) { | |||
|  | 			// 设置对应月份的top值,用于onScroll方法更新月份
 | |||
|  | 			topArr.map((item, index) => { | |||
|  | 				this.months[index].top = item | |||
|  | 			}) | |||
|  | 
 | |||
|  | 			// 获取默认日期的下标
 | |||
|  | 			if (!this.defaultDate) { | |||
|  | 				// 如果没有设置默认日期,则将当天日期设置为默认选中的日期
 | |||
|  | 				const selected = dayjs().format("YYYY-MM") | |||
|  | 				this.scrollIntoDefaultMonth(selected) | |||
|  | 				return | |||
|  | 			} | |||
|  | 			let selected = dayjs().format("YYYY-MM"); | |||
|  | 			// 单选模式,可以是字符串或数组,Date对象等
 | |||
|  | 			if (!uni.$u.test.array(this.defaultDate)) { | |||
|  | 				selected = dayjs(this.defaultDate).format("YYYY-MM") | |||
|  | 			} else { | |||
|  | 				selected = dayjs(this.defaultDate[0]).format("YYYY-MM"); | |||
|  | 			} | |||
|  | 			this.scrollIntoDefaultMonth(selected) | |||
|  | 		} | |||
|  | 	} | |||
|  | } | |||
|  | </script> | |||
|  | 
 | |||
|  | <style lang="scss" scoped> | |||
|  | @import '../../libs/css/components.scss'; | |||
|  | 
 | |||
|  | .u-calendar { | |||
|  | 	&__confirm { | |||
|  | 		padding: 7px 18px; | |||
|  | 	} | |||
|  | } | |||
|  | </style> |