| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318 | <template>	<view class="u-countdown">		<view class="u-countdown-item" :style="[itemStyle]" v-if="showDays && (hideZeroDay || (!hideZeroDay && d != '00'))">			<view class="u-countdown-time" :style="[letterStyle]">				{{ d }}			</view>		</view>		<view			class="u-countdown-colon"			:style="{fontSize: separatorSize + 'rpx', color: separatorColor, paddingBottom: separator == 'colon' ? '4rpx' : 0}"			v-if="showDays && (hideZeroDay || (!hideZeroDay && d != '00'))"		>			{{ separator == 'colon' ? ':' : '天' }}		</view>		<view class="u-countdown-item" :style="[itemStyle]" v-if="showHours">			<view class="u-countdown-time" :style="{ fontSize: fontSize + 'rpx', color: color}">				{{ h }}			</view>		</view>		<view			class="u-countdown-colon"			:style="{fontSize: separatorSize + 'rpx', color: separatorColor, paddingBottom: separator == 'colon' ? '4rpx' : 0}"			v-if="showHours"		>			{{ separator == 'colon' ? ':' : '时' }}		</view>		<view class="u-countdown-item" :style="[itemStyle]" v-if="showMinutes">			<view class="u-countdown-time" :style="{ fontSize: fontSize + 'rpx', color: color}">				{{ i }}			</view>		</view>		<view			class="u-countdown-colon"			:style="{fontSize: separatorSize + 'rpx', color: separatorColor, paddingBottom: separator == 'colon' ? '4rpx' : 0}"			v-if="showMinutes"		>			{{ separator == 'colon' ? ':' : '分' }}		</view>		<view class="u-countdown-item" :style="[itemStyle]" v-if="showSeconds">			<view class="u-countdown-time" :style="{ fontSize: fontSize + 'rpx', color: color}">				{{ s }}			</view>		</view>		<view			class="u-countdown-colon"			:style="{fontSize: separatorSize + 'rpx', color: separatorColor, paddingBottom: separator == 'colon' ? '4rpx' : 0}"			v-if="showSeconds && separator == 'zh'"		>			秒		</view>	</view></template><script>/** * countDown 倒计时 * @description 该组件一般使用于某个活动的截止时间上,通过数字的变化,给用户明确的时间感受,提示用户进行某一个行为操作。 * @tutorial https://www.uviewui.com/components/countDown.html * @property {String Number} timestamp 倒计时,单位为秒 * @property {Boolean} autoplay 是否自动开始倒计时,如果为false,需手动调用开始方法。见官网说明(默认true) * @property {String} separator 分隔符,colon为英文冒号,zh为中文(默认colon) * @property {String Number} separator-size 分隔符的字体大小,单位rpx(默认30) * @property {String} separator-color 分隔符的颜色(默认#303133) * @property {String Number} font-size 倒计时字体大小,单位rpx(默认30) * @property {Boolean} show-border 是否显示倒计时数字的边框(默认false) * @property {Boolean} hide-zero-day 当"天"的部分为0时,隐藏该字段 (默认true) * @property {String} border-color 数字边框的颜色(默认#303133) * @property {String} bg-color 倒计时数字的背景颜色(默认#ffffff) * @property {String} color 倒计时数字的颜色(默认#303133) * @property {String} height 数字高度值(宽度等同此值),设置边框时看情况是否需要设置此值,单位rpx(默认auto) * @property {Boolean} show-days 是否显示倒计时的"天"部分(默认true) * @property {Boolean} show-hours 是否显示倒计时的"时"部分(默认true) * @property {Boolean} show-minutes 是否显示倒计时的"分"部分(默认true) * @property {Boolean} show-seconds 是否显示倒计时的"秒"部分(默认true) * @event {Function} end 倒计时结束 * @event {Function} change 每秒触发一次,回调为当前剩余的倒计秒数 * @example <u-count-down ref="uCountDown" :timestamp="86400" :autoplay="false"></u-count-down> */export default {	name: 'u-count-down',	props: {		// 倒计时的时间,秒为单位		timestamp: {			type: [Number, String],			default: 0		},		// 是否自动开始倒计时		autoplay: {			type: Boolean,			default: true		},		// 用英文冒号(colon)或者中文(zh)当做分隔符,false的时候为中文,如:"11:22"或"11时22秒"		separator: {			type: String,			default: 'colon'		},		// 分隔符的大小,单位rpx		separatorSize: {			type: [Number, String],			default: 30		},		// 分隔符颜色		separatorColor: {			type: String,			default: "#303133"		},		// 字体颜色		color: {			type: String,			default: '#303133'		},		// 字体大小,单位rpx		fontSize: {			type: [Number, String],			default: 30		},		// 背景颜色		bgColor: {			type: String,			default: '#fff'		},		// 数字框高度,单位rpx		height: {			type: [Number, String],			default: 'auto'		},		// 是否显示数字框		showBorder: {			type: Boolean,			default: false		},		// 边框颜色		borderColor: {			type: String,			default: '#303133'		},		// 是否显示秒		showSeconds: {			type: Boolean,			default: true		},		// 是否显示分钟		showMinutes: {			type: Boolean,			default: true		},		// 是否显示小时		showHours: {			type: Boolean,			default: true		},		// 是否显示“天”		showDays: {			type: Boolean,			default: true		},		// 当"天"的部分为0时,不显示		hideZeroDay: {			type: Boolean,			default: false		}	},	watch: {		// 监听时间戳的变化		timestamp(newVal, oldVal) {			// 如果倒计时间发生变化,清除定时器,重新开始倒计时			this.clearTimer();			this.start();		}	},	data() {		return {			d: '00', // 天的默认值			h: '00', // 小时的默认值			i: '00', // 分钟的默认值			s: '00', // 秒的默认值			timer: null ,// 定时器			seconds: 0, // 记录不停倒计过程中变化的秒数		};	},	computed: {		// 倒计时item的样式,item为分别的时分秒部分的数字		itemStyle() {			let style = {};			if(this.height) {				style.height = this.height + 'rpx';				style.width = this.height + 'rpx';			}			if(this.showBorder) {				style.borderStyle = 'solid';				style.borderColor = this.borderColor;				style.borderWidth = '1px';			}			if(this.bgColor) {				style.backgroundColor = this.bgColor;			}			return style;		},		// 倒计时数字的样式		letterStyle() {			let style = {};			if(this.fontSize) style.fontSize = this.fontSize +  'rpx';			if(this.color) style.color = this.color;			return style;		}	},	mounted() {		// 如果自动倒计时		this.autoplay && this.timestamp && this.start();	},	methods: {		// 倒计时		start() {			// 避免可能出现的倒计时重叠情况			this.clearTimer();			if (this.timestamp <= 0) return;			this.seconds = Number(this.timestamp);			this.formatTime(this.seconds);			this.timer = setInterval(() => {				this.seconds--;				// 发出change事件				this.$emit('change', this.seconds);				if (this.seconds < 0) {					return this.end();				}				this.formatTime(this.seconds);			}, 1000);		},		// 格式化时间		formatTime(seconds) {			// 小于等于0的话,结束倒计时			seconds <= 0 && this.end();			let [day, hour, minute, second] = [0, 0, 0, 0];			day = Math.floor(seconds / (60 * 60 * 24));			// 判断是否显示“天”参数,如果不显示,将天部分的值,加入到小时中			// hour为给后面计算秒和分等用的(基于显示天的前提下计算)			hour = Math.floor(seconds / (60 * 60)) - day * 24;			// showHour为需要显示的小时			let showHour = null;			if(this.showDays) {				showHour = hour;			} else {				// 如果不显示天数,将“天”部分的时间折算到小时中去				showHour = Math.floor(seconds / (60 * 60));			}			minute = Math.floor(seconds / 60) - hour * 60 - day * 24 * 60;			second = Math.floor(seconds) - day * 24 * 60 * 60 - hour * 60 * 60 - minute * 60;			// 如果小于10,在前面补上一个"0"			showHour = showHour < 10 ? '0' + showHour : showHour;			minute = minute < 10 ? '0' + minute : minute;			second = second < 10 ? '0' + second : second;			day = day < 10 ? '0' + day : day;			this.d = day;			this.h = showHour;			this.i = minute;			this.s = second;		},		// 停止倒计时		end() {			this.clearTimer();			this.$emit('end', {});		},		// 清除定时器		clearTimer() {			if(this.timer) {				// 清除定时器				clearInterval(this.timer);				this.timer = null;			}		}	},	beforeDestroy() {		clearInterval(this.timer);		this.timer = null;	}};</script><style scoped lang="scss">	@import "../../libs/css/style.components.scss";	.u-countdown {		/* #ifndef APP-NVUE */		display: inline-flex;				/* #endif */		align-items: center;	}	.u-countdown-item {		@include vue-flex;		align-items: center;		justify-content: center;		padding: 2rpx;		border-radius: 6rpx;		white-space: nowrap;		transform: translateZ(0);	}	.u-countdown-time {		margin: 0;		padding: 0;		line-height: 1;	}	.u-countdown-colon {		@include vue-flex;		justify-content: center;		padding: 0 5rpx;		line-height: 1;		align-items: center;		padding-bottom: 4rpx;	}	.u-countdown-scale {		transform: scale(0.9);		transform-origin: center center;	}</style>
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