336 lines
7.3 KiB
Vue
336 lines
7.3 KiB
Vue
<template>
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<view class="tui-countdown-box">
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<view class="tui-countdown-item" :style="{ background: backgroundColor, borderColor: borderColor, width: getWidth(d, width) + 'rpx', height: height + 'rpx' }" v-if="days">
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<view class="tui-countdown-time" :class="[scale ? 'tui-countdown-scale' : '']" :style="{ fontSize: size + 'rpx', color: color, lineHeight: height + 'rpx' }">
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{{ d }}
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</view>
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</view>
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<view
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class="tui-countdown-colon"
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:class="{ 'tui-colon-pad': borderColor == 'transparent' }"
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:style="{ fontSize: colonSize + 'rpx', color: colonColor }"
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v-if="days"
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>
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{{ isColon ? ':' : '天' }}
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</view>
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<view class="tui-countdown-item" :style="{ background: backgroundColor, borderColor: borderColor, width: getWidth(h, width) + 'rpx', height: height + 'rpx' }" v-if="hours">
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<view class="tui-countdown-time" :class="[scale ? 'tui-countdown-scale' : '']" :style="{ fontSize: size + 'rpx', color: color, lineHeight: height + 'rpx' }">
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{{ h }}
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</view>
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</view>
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<view
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class="tui-countdown-colon"
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:class="{ 'tui-colon-pad': borderColor == 'transparent' }"
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:style="{ fontSize: colonSize + 'rpx', color: colonColor }"
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v-if="hours"
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>
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{{ isColon ? ':' : '时' }}
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</view>
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<view
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class="tui-countdown-item"
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:style="{ background: backgroundColor, borderColor: borderColor, width: getWidth(i, width) + 'rpx', height: height + 'rpx' }"
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v-if="minutes"
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>
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<view class="tui-countdown-time" :class="[scale ? 'tui-countdown-scale' : '']" :style="{ fontSize: size + 'rpx', color: color, lineHeight: height + 'rpx' }">
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{{ i }}
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</view>
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</view>
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<view
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class="tui-countdown-colon"
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:class="{ 'tui-colon-pad': borderColor == 'transparent' }"
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:style="{ fontSize: colonSize + 'rpx', color: colonColor }"
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v-if="minutes"
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>
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{{ isColon ? ':' : '分' }}
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</view>
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<view
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class="tui-countdown-item"
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:style="{ background: backgroundColor, borderColor: borderColor, width: getWidth(s, width) + 'rpx', height: height + 'rpx' }"
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v-if="seconds"
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>
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<view class="tui-countdown-time" :class="[scale ? 'tui-countdown-scale' : '']" :style="{ fontSize: size + 'rpx', color: color, lineHeight: height + 'rpx' }">
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{{ s }}
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</view>
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</view>
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<view
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class="tui-countdown-colon"
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:class="{ 'tui-colon-pad': borderColor == 'transparent' }"
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:style="{ fontSize: colonSize + 'rpx', color: colonColor }"
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v-if="seconds && !isColon"
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>
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{{ unitEn ? 's' : '秒' }}
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</view>
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<view class="tui-countdown-colon" :style="{ lineHeight: colonSize + 'rpx', fontSize: colonSize + 'rpx', color: colonColor }" v-if="seconds && isMs && isColon">.</view>
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<view
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class="tui-countdown__ms"
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:style="{
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background: backgroundColor,
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borderColor: borderColor,
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fontSize: msSize + 'rpx',
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color: msColor,
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height: height + 'rpx',
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width: msWidth > 0 ? msWidth + 'rpx' : 'auto'
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}"
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v-if="seconds && isMs"
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>
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<view :class="{ 'tui-ms__list': ani }">
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<view class="tui-ms__item" :style="{ height: height + 'rpx' }" v-for="(item, index) in ms" :key="index">
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<view :class="[scale ? 'tui-countdown-scale' : '']">{{item}}</view>
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</view>
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</view>
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</view>
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</view>
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</template>
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<script>
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export default {
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name: 'tuiCountdown',
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props: {
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//数字框宽度
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width: {
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type: Number,
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default: 32
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},
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//数字框高度
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height: {
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type: Number,
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default: 32
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},
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//数字框border颜色
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borderColor: {
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type: String,
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default: '#333'
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},
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//数字框背景颜色
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backgroundColor: {
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type: String,
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default: '#fff'
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},
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//数字框字体大小
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size: {
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type: Number,
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default: 24
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},
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//数字框字体颜色
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color: {
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type: String,
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default: '#333'
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},
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//是否缩放 0.9
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scale: {
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type: Boolean,
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default: false
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},
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//冒号大小
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colonSize: {
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type: Number,
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default: 28
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},
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//冒号颜色
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colonColor: {
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type: String,
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default: '#333'
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},
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//剩余时间 (单位：秒)
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time: {
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type: Number,
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default: 0
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},
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//是否包含天
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days: {
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type: Boolean,
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default: false
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},
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//是否包含小时
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hours: {
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type: Boolean,
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default: true
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},
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//是否包含分钟
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minutes: {
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type: Boolean,
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default: true
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},
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//是否包含秒
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seconds: {
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type: Boolean,
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default: true
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},
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//单位用英文缩写表示 仅seconds秒数有效
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unitEn: {
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type: Boolean,
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default: false
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},
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//是否展示为冒号,false为文字
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isColon: {
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type: Boolean,
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default: true
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},
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//是否返回剩余时间
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returnTime: {
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type: Boolean,
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default: false
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},
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//是否显示毫秒
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isMs: {
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type: Boolean,
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default: false
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},
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msWidth: {
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type: Number,
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default: 32
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},
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msSize: {
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type: Number,
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default: 24
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},
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msColor: {
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type: String,
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default: '#333'
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}
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},
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watch: {
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time(val) {
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this.clearTimer();
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this.doLoop();
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}
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},
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data() {
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return {
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countdown: null,
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d: '0',
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h: '00',
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i: '00',
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s: '00',
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//此处若从9到1，结束需要特殊处理
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ms: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
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ani: false
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};
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},
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created() {
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this.clearTimer();
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this.doLoop();
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},
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beforeDestroy() {
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this.clearTimer();
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},
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methods: {
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getWidth: function(num, width) {
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return num > 99 ? (width / 2) * num.toString().length : width;
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},
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clearTimer() {
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clearInterval(this.countdown);
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this.countdown = null;
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},
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endOfTime() {
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this.ani = false;
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this.clearTimer();
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this.$emit('end', {});
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},
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doLoop: function() {
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let seconds = this.time || 0;
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this.ani = true;
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this.countDown(seconds);
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this.countdown = setInterval(() => {
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seconds--;
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if (seconds < 0) {
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this.endOfTime();
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return;
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}
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this.countDown(seconds);
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if (this.returnTime) {
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this.$emit('time', { seconds: seconds });
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}
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}, 1000);
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},
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countDown(seconds) {
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let [day, hour, minute, second] = [0, 0, 0, 0];
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if (seconds > 0) {
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day = this.days ? Math.floor(seconds / (60 * 60 * 24)) : 0;
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hour = this.hours ? Math.floor(seconds / (60 * 60)) - day * 24 : 0;
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minute = this.minutes ? Math.floor(seconds / 60) - hour * 60 - day * 24 * 60 : 0;
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second = Math.floor(seconds) - day * 24 * 60 * 60 - hour * 60 * 60 - minute * 60;
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} else {
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this.endOfTime();
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}
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hour = hour < 10 ? '0' + hour : hour;
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minute = minute < 10 ? '0' + minute : minute;
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second = second < 10 ? '0' + second : second;
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this.d = day;
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this.h = hour;
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this.i = minute;
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this.s = second;
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}
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}
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};
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</script>
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<style scoped>
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.tui-countdown-box {
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display: flex;
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align-items: center;
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}
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.tui-countdown-box {
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display: flex;
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align-items: center;
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}
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.tui-countdown-item {
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border: 1rpx solid;
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display: flex;
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align-items: center;
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justify-content: center;
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border-radius: 6rpx;
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white-space: nowrap;
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transform: translateZ(0);
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}
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.tui-countdown-time {
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margin: 0;
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padding: 0;
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}
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.tui-countdown-colon {
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display: flex;
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justify-content: center;
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padding: 0 5rpx;
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}
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.tui-colon-pad {
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padding: 0 !important;
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}
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.tui-countdown-scale {
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transform: scale(0.9);
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transform-origin: center center;
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}
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.tui-countdown__ms {
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border: 1rpx solid;
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overflow: hidden;
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border-radius: 6rpx;
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}
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/*ms使用css3代替js频繁更新操作，性能优化*/
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.tui-ms__list {
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animation: loop 1s steps(10) infinite;
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}
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@keyframes loop {
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from {
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transform: translateY(0);
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}
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to {
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transform: translateY(-100%);
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}
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}
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.tui-ms__item {
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display: flex;
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align-items: center;
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justify-content: center;
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}
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</style>
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