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uview-plus/components/u-count-down/countDown.js

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+/*
+ * @Author       : LQ
+ * @Description  :
+ * @version      : 1.0
+ * @Date         : 2021-08-20 16:44:21
+ * @LastAuthor   : LQ
+ * @lastTime     : 2021-08-20 17:11:29
+ * @FilePath     : /u-view2.0/uview-ui/libs/config/props/countDown.js
+ */
+export default {
+    // u-count-down 计时器组件
+    countDown: {
+        time: 0,
+        format: 'HH:mm:ss',
+        autoStart: true,
+        millisecond: false
+    }
+}

uview-plus/components/u-count-down/props.js

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+import { defineMixin } from '../../libs/vue'
+import defProps from '../../libs/config/props.js'
+export const props = defineMixin({
+    props: {
+        // 倒计时时长，单位ms
+        time: {
+            type: [String, Number],
+            default: () => defProps.countDown.time
+        },
+        // 时间格式，DD-日，HH-时，mm-分，ss-秒，SSS-毫秒
+        format: {
+            type: String,
+            default: () => defProps.countDown.format
+        },
+        // 是否自动开始倒计时
+        autoStart: {
+            type: Boolean,
+            default: () => defProps.countDown.autoStart
+        },
+        // 是否展示毫秒倒计时
+        millisecond: {
+            type: Boolean,
+            default: () => defProps.countDown.millisecond
+        }
+    }
+})

uview-plus/components/u-count-down/utils.js

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+// 补0，如1 -> 01
+function padZero(num, targetLength = 2) {
+    let str = `${num}`
+    while (str.length < targetLength) {
+        str = `0${str}`
+    }
+    return str
+}
+const SECOND = 1000
+const MINUTE = 60 * SECOND
+const HOUR = 60 * MINUTE
+const DAY = 24 * HOUR
+export function parseTimeData(time) {
+    const days = Math.floor(time / DAY)
+    const hours = Math.floor((time % DAY) / HOUR)
+    const minutes = Math.floor((time % HOUR) / MINUTE)
+    const seconds = Math.floor((time % MINUTE) / SECOND)
+    const milliseconds = Math.floor(time % SECOND)
+    return {
+        days,
+        hours,
+        minutes,
+        seconds,
+        milliseconds
+    }
+}
+export function parseFormat(format, timeData) {
+    let {
+        days,
+        hours,
+        minutes,
+        seconds,
+        milliseconds
+    } = timeData
+    // 如果格式化字符串中不存在DD(天)，则将天的时间转为小时中去
+    if (format.indexOf('DD') === -1) {
+        hours += days * 24
+    } else {
+        // 对天补0
+        format = format.replace('DD', padZero(days))
+    }
+    // 其他同理于DD的格式化处理方式
+    if (format.indexOf('HH') === -1) {
+        minutes += hours * 60
+    } else {
+        format = format.replace('HH', padZero(hours))
+    }
+    if (format.indexOf('mm') === -1) {
+        seconds += minutes * 60
+    } else {
+        format = format.replace('mm', padZero(minutes))
+    }
+    if (format.indexOf('ss') === -1) {
+        milliseconds += seconds * 1000
+    } else {
+        format = format.replace('ss', padZero(seconds))
+    }
+    return format.replace('SSS', padZero(milliseconds, 3))
+}
+export function isSameSecond(time1, time2) {
+    return Math.floor(time1 / 1000) === Math.floor(time2 / 1000)
+}