Go語言中使用import關鍵字導入包,包的名字使用雙引號("")包裹起來。
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golang判斷當前時間是第幾周:
func main() { l, _ := time.LoadLocation("Asia/Shanghai") startTime,_ := time.ParseInLocation("2006-01-02", "2018-12-22", l) endTime,_ := time.ParseInLocation("2006-01-02", "2019-05-17", l) datas := GroupByWeekDate(startTime, endTime) for _, d := range datas { fmt.Println(d) } } //判斷時間是當年的第幾周 func WeekByDate(t time.Time) string { yearDay := t.YearDay() yearFirstDay := t.AddDate(0, 0, -yearDay+1) firstDayInWeek := int(yearFirstDay.Weekday()) //今年第一周有幾天 firstWeekDays := 1 if firstDayInWeek != 0 { firstWeekDays = 7 - firstDayInWeek + 1 } var week int if yearDay <= firstWeekDays { week = 1 } else { week = (yearDay-firstWeekDays)/7 + 2 } return fmt.Sprintf("%d第%d周", t.Year(), week) } type WeekDate struct { WeekTh string StartTime time.Time EndTime time.Time } // 將開始時間和結束時間分割為周為單位 func GroupByWeekDate(startTime, endTime time.Time) []WeekDate { weekDate := make([]WeekDate, 0) diffDuration := endTime.Sub(startTime) days := int(math.Ceil(float64(diffDuration / (time.Hour * 24))))+1 currentWeekDate := WeekDate{} currentWeekDate.WeekTh = WeekByDate(endTime) currentWeekDate.EndTime = endTime currentWeekDay := int(endTime.Weekday()) if currentWeekDay == 0 { currentWeekDay = 7 } currentWeekDate.StartTime = endTime.AddDate(0, 0, -currentWeekDay+1) nextWeekEndTime := currentWeekDate.StartTime weekDate = append(weekDate, currentWeekDate) for i := 0; i < (days-currentWeekDay)/7; i++ { weekData := WeekDate{} weekData.EndTime = nextWeekEndTime weekData.StartTime = nextWeekEndTime.AddDate(0, 0, -7) weekData.WeekTh = WeekByDate(weekData.StartTime) nextWeekEndTime = weekData.StartTime weekDate = append(weekDate, weekData) } if lastDays := (days - currentWeekDay) % 7; lastDays > 0 { lastData := WeekDate{} lastData.EndTime = nextWeekEndTime lastData.StartTime = nextWeekEndTime.AddDate(0, 0, - lastDays) lastData.WeekTh = WeekByDate(lastData.StartTime) weekDate = append(weekDate, lastData) } return weekDate }
結果:
{2019第20周 2019-05-13 00:00:00 +0800 CST 2019-05-17 00:00:00 +0800 CST} {2019第19周 2019-05-06 00:00:00 +0800 CST 2019-05-13 00:00:00 +0800 CST} {2019第18周 2019-04-29 00:00:00 +0800 CST 2019-05-06 00:00:00 +0800 CST} {2019第17周 2019-04-22 00:00:00 +0800 CST 2019-04-29 00:00:00 +0800 CST} {2019第16周 2019-04-15 00:00:00 +0800 CST 2019-04-22 00:00:00 +0800 CST} {2019第15周 2019-04-08 00:00:00 +0800 CST 2019-04-15 00:00:00 +0800 CST} {2019第14周 2019-04-01 00:00:00 +0800 CST 2019-04-08 00:00:00 +0800 CST} {2019第13周 2019-03-25 00:00:00 +0800 CST 2019-04-01 00:00:00 +0800 CST} {2019第12周 2019-03-18 00:00:00 +0800 CST 2019-03-25 00:00:00 +0800 CST} {2019第11周 2019-03-11 00:00:00 +0800 CST 2019-03-18 00:00:00 +0800 CST} {2019第10周 2019-03-04 00:00:00 +0800 CST 2019-03-11 00:00:00 +0800 CST} {2019第9周 2019-02-25 00:00:00 +0800 CST 2019-03-04 00:00:00 +0800 CST} {2019第8周 2019-02-18 00:00:00 +0800 CST 2019-02-25 00:00:00 +0800 CST} {2019第7周 2019-02-11 00:00:00 +0800 CST 2019-02-18 00:00:00 +0800 CST} {2019第6周 2019-02-04 00:00:00 +0800 CST 2019-02-11 00:00:00 +0800 CST} {2019第5周 2019-01-28 00:00:00 +0800 CST 2019-02-04 00:00:00 +0800 CST} {2019第4周 2019-01-21 00:00:00 +0800 CST 2019-01-28 00:00:00 +0800 CST} {2019第3周 2019-01-14 00:00:00 +0800 CST 2019-01-21 00:00:00 +0800 CST} {2019第2周 2019-01-07 00:00:00 +0800 CST 2019-01-14 00:00:00 +0800 CST} {2018第53周 2018-12-31 00:00:00 +0800 CST 2019-01-07 00:00:00 +0800 CST} {2018第52周 2018-12-24 00:00:00 +0800 CST 2018-12-31 00:00:00 +0800 CST} {2018第51周 2018-12-22 00:00:00 +0800 CST 2018-12-24 00:00:00 +0800 CST}
以上就是golang獲取當前時間是第幾周的詳細內(nèi)容,更多請關注創(chuàng)新互聯(lián)其它相關文章!
文章標題:golang判斷當前時間是第幾周的方法
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