!69 Vue3重构：公众号统计

Merge pull request !69 from kinlon92/dev

src/utils/dateUtils.ts

+/**
+ * 将毫秒，转换成时间字符串。例如说，xx 分钟
+ *
+ * @param ms 毫秒
+ * @returns {string} 字符串
+ */
+export function getDate(ms) {
+  const day = Math.floor(ms / (24 * 60 * 60 * 1000))
+  const hour = Math.floor(ms / (60 * 60 * 1000) - day * 24)
+  const minute = Math.floor(ms / (60 * 1000) - day * 24 * 60 - hour * 60)
+  const second = Math.floor(ms / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - minute * 60)
+  if (day > 0) {
+    return day + '天' + hour + '小时' + minute + '分钟'
+  }
+  if (hour > 0) {
+    return hour + '小时' + minute + '分钟'
+  }
+  if (minute > 0) {
+    return minute + '分钟'
+  }
+  if (second > 0) {
+    return second + '秒'
+  } else {
+    return 0 + '秒'
+  }
+}
+
+export function beginOfDay(date) {
+  return new Date(date.getFullYear(), date.getMonth(), date.getDate())
+}
+
+export function endOfDay(date) {
+  return new Date(date.getFullYear(), date.getMonth(), date.getDate(), 23, 59, 59, 999)
+}
+
+export function betweenDay(date1, date2) {
+  date1 = convertDate(date1)
+  date2 = convertDate(date2)
+  // 计算差值
+  return Math.floor((date2.getTime() - date1.getTime()) / (24 * 3600 * 1000))
+}
+
+export function formatDate(date, fmt) {
+  date = convertDate(date)
+  const o = {
+    'M+': date.getMonth() + 1, //月份
+    'd+': date.getDate(), //日
+    'H+': date.getHours(), //小时
+    'm+': date.getMinutes(), //分
+    's+': date.getSeconds(), //秒
+    'q+': Math.floor((date.getMonth() + 3) / 3), //季度
+    S: date.getMilliseconds() //毫秒
+  }
+  if (/(y+)/.test(fmt)) {
+    // 年份
+    fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
+  }
+  for (const k in o) {
+    if (new RegExp('(' + k + ')').test(fmt)) {
+      fmt = fmt.replace(
+        RegExp.$1,
+        RegExp.$1.length === 1 ? o[k] : ('00' + o[k]).substr(('' + o[k]).length)
+      )
+    }
+  }
+  return fmt
+}
+
+export function addTime(date, time) {
+  date = convertDate(date)
+  return new Date(date.getTime() + time)
+}
+
+export function convertDate(date) {
+  if (typeof date === 'string') {
+    return new Date(date)
+  }
+  return date
+}