时间处理辅助函数

utils/times/helper.go

@@ -0,0 +1,61 @@
+package times
+
+import "time"
+
+// GetMonthDays 获取一个时间当月共有多少天
+func GetMonthDays(t time.Time) int {
+	t = GetToday(t)
+	year, month, _ := t.Date()
+	if month != 2 {
+		if month == 4 || month == 6 || month == 9 || month == 11 {
+			return 30
+		}
+		return 31
+	}
+
+	if ((year%4 == 0) && (year%100 != 0)) || year%400 == 0 {
+		return 29
+	}
+
+	return 28
+}
+
+// WeekDay 获取一个时间是星期几
+//   - 1 ~ 7
+func WeekDay(t time.Time) int {
+	t = GetToday(t)
+	week := int(t.Weekday())
+	if week == 0 {
+		week = 7
+	}
+
+	return week
+}
+
+// GetToday 获取一个时间的今天
+func GetToday(t time.Time) time.Time {
+	return time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, time.Local)
+}
+
+// GetSecond 获取共有多少秒
+func GetSecond(d time.Duration) int {
+	return int(d / time.Second)
+}
+
+// IsSameDay 两个时间是否是同一天
+func IsSameDay(t1, t2 time.Time) bool {
+	t1, t2 = GetToday(t1), GetToday(t2)
+	return t1.Unix() == t2.Unix()
+}
+
+// IsSameHour 两个时间是否是同一小时
+func IsSameHour(t1, t2 time.Time) bool {
+	return t1.Hour() == t2.Hour() && t1.Day() == t2.Day() && t1.Month() == t2.Month() && t1.Year() == t2.Year()
+}
+
+// GetMondayZero 获取本周一零点
+func GetMondayZero(t time.Time) time.Time {
+	t = GetToday(t)
+	weekDay := WeekDay(t)
+	return t.AddDate(0, 0, 1-weekDay)
+}