feat: add.

timeutil/diff.go

@@ -0,0 +1,61 @@
+package util
+
+import (
+	"math"
+	"time"
+)
+
+// DayDifferenceHours 两天之间相差了多少小时
+func DayDifferenceHours(startDate, endDate string) float64 {
+	startTime, _ := time.Parse(DateLayout, startDate)
+	endTime, _ := time.Parse(DateLayout, endDate)
+
+	duration := endTime.Sub(startTime)
+
+	return duration.Hours()
+}
+
+// StringDifferenceDays 两天之间相差了多少天
+func StringDifferenceDays(startDate, endDate string) int {
+	hours := DayDifferenceHours(startDate, endDate)
+	if hours == 0 {
+		return 0
+	}
+	return int(math.Ceil(hours / 24))
+}
+
+func DayTimeDifferenceHours(startDate, endDate time.Time) float64 {
+	startTime := time.Date(startDate.Year(), startDate.Month(), startDate.Day(), 0, 0, 0, 0, time.Local)
+	endTime := time.Date(endDate.Year(), endDate.Month(), endDate.Day(), 0, 0, 0, 0, time.Local)
+
+	duration := endTime.Sub(startTime)
+
+	return duration.Hours()
+}
+
+// TimeDifferenceDays 两天之间相差了多少天
+func TimeDifferenceDays(startDate, endDate time.Time) int {
+	hours := DayTimeDifferenceHours(startDate, endDate)
+	if hours == 0 {
+		return 0
+	}
+	return int(math.Ceil(hours / 24))
+}
+
+func DaySecondsDifferenceHours(startSecond, endSecond int64) float64 {
+	startTime := time.Unix(startSecond, 0)
+	endTime := time.Unix(endSecond, 0)
+
+	duration := endTime.Sub(startTime)
+
+	return duration.Hours()
+}
+
+// SecondsDifferenceDays 两天之间相差了多少天
+func SecondsDifferenceDays(startSecond, endSecond int64) int {
+	hours := DaySecondsDifferenceHours(startSecond, endSecond)
+	if hours == 0 {
+		return 0
+	}
+	return int(math.Ceil(hours / 24))
+}