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| <template>
| <view class="uni-countdown">
| <text v-if="showDay" :style="[timeStyle]" class="uni-countdown__number">{{ d }}</text>
| <text v-if="showDay" :style="[splitorStyle]" class="uni-countdown__splitor">{{dayText}}</text>
| <text :style="[timeStyle]" class="uni-countdown__number">{{ h }}</text>
| <text :style="[splitorStyle]" class="uni-countdown__splitor">{{ showColon ? ':' : hourText }}</text>
| <text :style="[timeStyle]" class="uni-countdown__number">{{ i }}</text>
| <text :style="[splitorStyle]" class="uni-countdown__splitor">{{ showColon ? ':' : minuteText }}</text>
| <text :style="[timeStyle]" class="uni-countdown__number">{{ s }}</text>
| <text v-if="!showColon" :style="[splitorStyle]" class="uni-countdown__splitor">{{secondText}}</text>
| </view>
| </template>
| <script>
| import {
| initVueI18n
| } from '@dcloudio/uni-i18n'
| import messages from './i18n/index.js'
| const {
| t
| } = initVueI18n(messages)
| /**
| * Countdown 倒计时
| * @description 倒计时组件
| * @tutorial https://ext.dcloud.net.cn/plugin?id=25
| * @property {String} backgroundColor 背景色
| * @property {String} color 文字颜色
| * @property {Number} day 天数
| * @property {Number} hour 小时
| * @property {Number} minute 分钟
| * @property {Number} second 秒
| * @property {Number} timestamp 时间戳
| * @property {Boolean} showDay = [true|false] 是否显示天数
| * @property {Boolean} show-colon = [true|false] 是否以冒号为分隔符
| * @property {String} splitorColor 分割符号颜色
| * @event {Function} timeup 倒计时时间到触发事件
| * @example <uni-countdown :day="1" :hour="1" :minute="12" :second="40"></uni-countdown>
| */
| export default {
| name: 'UniCountdown',
| emits: ['timeup'],
| props: {
| showDay: {
| type: Boolean,
| default: true
| },
| showColon: {
| type: Boolean,
| default: true
| },
| start: {
| type: Boolean,
| default: true
| },
| backgroundColor: {
| type: String,
| default: ''
| },
| color: {
| type: String,
| default: '#333'
| },
| fontSize: {
| type: Number,
| default: 14
| },
| splitorColor: {
| type: String,
| default: '#333'
| },
| day: {
| type: Number,
| default: 0
| },
| hour: {
| type: Number,
| default: 0
| },
| minute: {
| type: Number,
| default: 0
| },
| second: {
| type: Number,
| default: 0
| },
| timestamp: {
| type: Number,
| default: 0
| }
| },
| data() {
| return {
| timer: null,
| syncFlag: false,
| d: '00',
| h: '00',
| i: '00',
| s: '00',
| leftTime: 0,
| seconds: 0
| }
| },
| computed: {
| dayText() {
| return t("uni-countdown.day")
| },
| hourText(val) {
| return t("uni-countdown.h")
| },
| minuteText(val) {
| return t("uni-countdown.m")
| },
| secondText(val) {
| return t("uni-countdown.s")
| },
| timeStyle() {
| const {
| color,
| backgroundColor,
| fontSize
| } = this
| return {
| color,
| backgroundColor,
| fontSize: `${fontSize}px`,
| width: `${fontSize * 22 / 14}px`, // 按字体大小为 14px 时的比例缩放
| lineHeight: `${fontSize * 20 / 14}px`,
| borderRadius: `${fontSize * 3 / 14}px`,
| }
| },
| splitorStyle() {
| const { splitorColor, fontSize, backgroundColor } = this
| return {
| color: splitorColor,
| fontSize: `${fontSize * 12 / 14}px`,
| margin: backgroundColor ? `${fontSize * 4 / 14}px` : ''
| }
| }
| },
| watch: {
| day(val) {
| this.changeFlag()
| },
| hour(val) {
| this.changeFlag()
| },
| minute(val) {
| this.changeFlag()
| },
| second(val) {
| this.changeFlag()
| },
| start: {
| immediate: true,
| handler(newVal, oldVal) {
| if (newVal) {
| this.startData();
| } else {
| if (!oldVal) return
| clearInterval(this.timer)
| }
| }
|
| }
| },
| created: function(e) {
| this.seconds = this.toSeconds(this.timestamp, this.day, this.hour, this.minute, this.second)
| this.countDown()
| },
| // #ifndef VUE3
| destroyed() {
| clearInterval(this.timer)
| },
| // #endif
| // #ifdef VUE3
| unmounted() {
| clearInterval(this.timer)
| },
| // #endif
| methods: {
| toSeconds(timestamp, day, hours, minutes, seconds) {
| if (timestamp) {
| return timestamp - parseInt(new Date().getTime() / 1000, 10)
| }
| return day * 60 * 60 * 24 + hours * 60 * 60 + minutes * 60 + seconds
| },
| timeUp() {
| clearInterval(this.timer)
| this.$emit('timeup')
| },
| countDown() {
| let seconds = this.seconds
| let [day, hour, minute, second] = [0, 0, 0, 0]
| if (seconds > 0) {
| day = Math.floor(seconds / (60 * 60 * 24))
| hour = Math.floor(seconds / (60 * 60)) - (day * 24)
| minute = Math.floor(seconds / 60) - (day * 24 * 60) - (hour * 60)
| second = Math.floor(seconds) - (day * 24 * 60 * 60) - (hour * 60 * 60) - (minute * 60)
| } else {
| this.timeUp()
| }
| if (day < 10) {
| day = '0' + day
| }
| if (hour < 10) {
| hour = '0' + hour
| }
| if (minute < 10) {
| minute = '0' + minute
| }
| if (second < 10) {
| second = '0' + second
| }
| this.d = day
| this.h = hour
| this.i = minute
| this.s = second
| },
| startData() {
| this.seconds = this.toSeconds(this.timestamp, this.day, this.hour, this.minute, this.second)
| if (this.seconds <= 0) {
| this.seconds = this.toSeconds(0, 0, 0, 0, 0)
| this.countDown()
| return
| }
| clearInterval(this.timer)
| this.countDown()
| this.timer = setInterval(() => {
| this.seconds--
| if (this.seconds < 0) {
| this.timeUp()
| return
| }
| this.countDown()
| }, 1000)
| },
| update(){
| this.startData();
| },
| changeFlag() {
| if (!this.syncFlag) {
| this.seconds = this.toSeconds(this.timestamp, this.day, this.hour, this.minute, this.second)
| this.startData();
| this.syncFlag = true;
| }
| }
| }
| }
| </script>
| <style lang="scss" scoped>
| $font-size: 14px;
|
| .uni-countdown {
| display: flex;
| flex-direction: row;
| justify-content: flex-start;
| align-items: center;
|
| &__splitor {
| margin: 0 2px;
| font-size: $font-size;
| color: #333;
| }
|
| &__number {
| border-radius: 3px;
| text-align: center;
| font-size: $font-size;
| }
| }
| </style>
|
|
