countdown

countdown 倒计时：时分秒倒计时，支持设置大小，颜色等

组件结构

<template>
    <view class="tui-countdown-class tui-countdown-box">
        <view class="tui-countdown-item" :style="{background:bgcolor,borderColor:bcolor,minWidth:minwidth+'rpx',minHeight:minheight+'rpx'}"
         v-if="hours">
            <view :class="[scale?'tui-countdown-scale':'']" :style="{fontSize:size+'rpx',color:color,lineHeight:size +'rpx'}">{{h}}</view>
        </view>
        <view class="tui-countdown-colon" :style="{lineHeight:colonsize+'rpx',fontSize:colonsize+'rpx',color:coloncolor}"
         v-if="hours">:</view>
        <view class="tui-countdown-item" :style="{background:bgcolor,borderColor:bcolor,minWidth:minwidth+'rpx',minHeight:minheight+'rpx'}">
            <view :class="[scale?'tui-countdown-scale':'']" :style="{fontSize:size+'rpx',color:color,lineHeight:size +'rpx'}">{{i}}</view>
        </view>
        <view class="tui-countdown-colon" :style="{lineHeight:colonsize+'rpx',fontSize:colonsize+'rpx',color:coloncolor}">:</view>
        <view class="tui-countdown-item" :style="{background:bgcolor,borderColor:bcolor,minWidth:minwidth+'rpx',minHeight:minheight+'rpx'}">
            <view :class="[scale?'tui-countdown-scale':'']" :style="{fontSize:size+'rpx',color:color,lineHeight:size +'rpx'}">{{s}}</view>
        </view>
    </view>
</template>

组件脚本

<script>
    export default {
        name: "tuiCountdown",
        props: {
            //数字框最小宽度
            minwidth: {
                type: Number,
                default: 26
            },
            //数字框最小高度
            minheight: {
                type: Number,
                default: 26
            },
            //数字框border颜色
            bcolor: {
                type: String,
                default: "#333"
            },
            //数字框背景颜色
            bgcolor: {
                type: String,
                default: "#fff"
            },
            //数字框字体大小
            size: {
                type: Number,
                default: 24
            },
            //数字框字体颜色
            color: {
                type: String,
                default: "#333"
            },
            //是否缩放 0.8
            scale: {
                type: Boolean,
                default: false
            },
            //冒号大小
            colonsize: {
                type: Number,
                default: 28
            },
            //冒号颜色
            coloncolor: {
                type: String,
                default: "#333"
            },
            //剩余时间 
            time: {
                type: Object,
                default: {
                        hours: 0,
                        minute: 0,
                        second: 0
                    }
            },
            //是否包含小时
            hours: {
                type: Boolean,
                default: true
            }
        },
        data() {
            return {
                countdown: null,
                h: '00',
                i: '00',
                s: '00'
            };
        },
        created() {
            this.doLoop()
        },
        destroyed() {
            clearInterval(this.countdown)
            this.countdown = null
        },
        methods: {
            toSeconds(hours, minutes, seconds) {
                return (hours * 60 * 60) + (minutes * 60) + seconds
            },
            endOfTime() {
                clearInterval(this.countdown)
                this.countdown = null;
                this.$emit('end', {});
            },
            doLoop: function() {
                let seconds = this.toSeconds(this.time.hours || 0, this.time.minute || 0, this.time.second)
                this.countDown(seconds)
                this.countdown = setInterval(() => {
                    seconds--
                    if (seconds < 0) {
                        this.endOfTime()
                        return
                    }
                    this.countDown(seconds)
                }, 1000)
            },
            countDown(seconds) {
                let [hour, minute, second] = [0, 0, 0]
                if (seconds > 0) {
                    hour = Math.floor(seconds / (60 * 60))
                    minute = Math.floor(seconds / 60) - (hour * 60)
                    second = Math.floor(seconds) - (hour * 60 * 60) - (minute * 60)
                } else {
                    this.endOfTime()
                }
                hour = hour < 10 ? ('0' + hour) : hour
                minute = minute < 10 ? ('0' + minute) : minute
                second = second < 10 ? ('0' + second) : second
                this.h = hour;
                this.i = minute;
                this.s = second
            }
        }
    }
</script>

组件样式

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脚本说明

 props: 
     "minwidth" : 数字框最小宽度,类型:"Number",默认值:26
     "minheight" : 数字框最小高度,类型:"Number",默认值:26
     "bcolor" : 数字框border颜色,类型:"String",默认值:"#333"
     "bgcolor" : 数字框背景颜色,类型:"String",默认值:"#fff"
     "size" : 数字框字体大小,类型:"Number",默认值:24
     "color" : 数字框字体颜色,类型:"String",默认值:"#333"
     "scale" : 是否缩放数字 0.8,类型:"Boolean",默认值:false
     "colonsize" : 冒号大小,类型:"Number",默认值:28
     "coloncolor" : 冒号颜色,类型:"String",默认值:"#333"
     "time" : 剩余时间,类型:"Object",默认值:
              {
                hours: 0,
                minute: 0,
                second: 0
             }
     "hours" : 是否包含小时,类型:"Boolean",默认值:true

 methods:
   "toSeconds":将时间转化成秒
   "endOfTime":倒计时结束事件
   "doLoop":倒计时方法
   "countDown":倒计时时间显示处理

示例

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