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							- <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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