feat: 初始化
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George
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uni_modules/uni-ui/components/uni-countdown/uni-countdown.vue
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211
uni_modules/uni-ui/components/uni-countdown/uni-countdown.vue
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<template>
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<view class="uni-countdown">
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<text v-if="showDay" :style="{ borderColor: borderColor, color: color, backgroundColor: backgroundColor }" class="uni-countdown__number">{{ d }}</text>
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<text v-if="showDay" :style="{ color: splitorColor }" class="uni-countdown__splitor">天</text>
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<text :style="{ borderColor: borderColor, color: color, backgroundColor: backgroundColor }" class="uni-countdown__number">{{ h }}</text>
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<text :style="{ color: splitorColor }" class="uni-countdown__splitor">{{ showColon ? ':' : '时' }}</text>
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<text :style="{ borderColor: borderColor, color: color, backgroundColor: backgroundColor }" class="uni-countdown__number">{{ i }}</text>
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<text :style="{ color: splitorColor }" class="uni-countdown__splitor">{{ showColon ? ':' : '分' }}</text>
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<text :style="{ borderColor: borderColor, color: color, backgroundColor: backgroundColor }" class="uni-countdown__number">{{ s }}</text>
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<text v-if="!showColon" :style="{ color: splitorColor }" class="uni-countdown__splitor">秒</text>
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</view>
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</template>
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<script>
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/**
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* Countdown 倒计时
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* @description 倒计时组件
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* @tutorial https://ext.dcloud.net.cn/plugin?id=25
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* @property {String} backgroundColor 背景色
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* @property {String} color 文字颜色
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* @property {Number} day 天数
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* @property {Number} hour 小时
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* @property {Number} minute 分钟
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* @property {Number} second 秒
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* @property {Number} timestamp 时间戳
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* @property {Boolean} showDay = [true|false] 是否显示天数
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* @property {Boolean} showColon = [true|false] 是否以冒号为分隔符
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* @property {String} splitorColor 分割符号颜色
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* @event {Function} timeup 倒计时时间到触发事件
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* @example <uni-countdown :day="1" :hour="1" :minute="12" :second="40"></uni-countdown>
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*/
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export default {
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name: 'UniCountdown',
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props: {
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showDay: {
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type: Boolean,
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default: true
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},
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showColon: {
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type: Boolean,
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default: true
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},
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backgroundColor: {
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type: String,
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default: '#FFFFFF'
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},
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borderColor: {
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type: String,
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default: '#000000'
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},
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color: {
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type: String,
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default: '#000000'
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},
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splitorColor: {
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type: String,
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default: '#000000'
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},
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day: {
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type: Number,
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default: 0
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},
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hour: {
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type: Number,
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default: 0
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},
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minute: {
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type: Number,
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default: 0
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},
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second: {
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type: Number,
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default: 0
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},
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timestamp: {
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type: Number,
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default: 0
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}
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},
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data() {
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return {
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timer: null,
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syncFlag: false,
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d: '00',
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h: '00',
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i: '00',
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s: '00',
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leftTime: 0,
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seconds: 0
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}
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},
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watch: {
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day(val) {
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this.changeFlag()
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},
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hour(val) {
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this.changeFlag()
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},
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minute(val) {
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this.changeFlag()
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},
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second(val) {
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this.changeFlag()
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}
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},
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created: function(e) {
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this.startData();
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},
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beforeDestroy() {
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clearInterval(this.timer)
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},
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methods: {
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toSeconds(timestamp, day, hours, minutes, seconds) {
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if (timestamp) {
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return timestamp - parseInt(new Date().getTime() / 1000, 10)
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}
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return day * 60 * 60 * 24 + hours * 60 * 60 + minutes * 60 + seconds
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},
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timeUp() {
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clearInterval(this.timer)
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this.$emit('timeup')
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},
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countDown() {
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let seconds = this.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 = Math.floor(seconds / (60 * 60 * 24))
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hour = Math.floor(seconds / (60 * 60)) - (day * 24)
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minute = Math.floor(seconds / 60) - (day * 24 * 60) - (hour * 60)
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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.timeUp()
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}
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if (day < 10) {
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day = '0' + day
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}
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if (hour < 10) {
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hour = '0' + hour
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}
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if (minute < 10) {
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minute = '0' + minute
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}
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if (second < 10) {
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second = '0' + second
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}
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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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startData() {
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this.seconds = this.toSeconds(this.timestamp, this.day, this.hour, this.minute, this.second)
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if (this.seconds <= 0) {
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return
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}
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this.countDown()
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this.timer = setInterval(() => {
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this.seconds--
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if (this.seconds < 0) {
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this.timeUp()
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return
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}
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this.countDown()
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}, 1000)
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},
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changeFlag() {
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if (!this.syncFlag) {
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this.seconds = this.toSeconds(this.timestamp, this.day, this.hour, this.minute, this.second)
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this.startData();
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this.syncFlag = true;
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}
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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$countdown-height: 48rpx;
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$countdown-width: 52rpx;
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.uni-countdown {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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flex-direction: row;
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justify-content: flex-start;
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padding: 2rpx 0;
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}
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.uni-countdown__splitor {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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justify-content: center;
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line-height: $countdown-height;
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padding: 5rpx;
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font-size: $uni-font-size-sm;
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}
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.uni-countdown__number {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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justify-content: center;
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align-items: center;
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width: $countdown-width;
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height: $countdown-height;
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line-height: $countdown-height;
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margin: 5rpx;
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text-align: center;
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font-size: $uni-font-size-sm;
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}
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</style>
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