feat(Go-StudyExample):2020/12/25:新增carbon时间操作库使用示例
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Huangzj
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/*
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* @Author : huangzj
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* @Time : 2020/12/25 15:38
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* @Description：
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*/
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package carbon
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import (
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"fmt"
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"github.com/uniplaces/carbon"
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"log"
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"testing"
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"time"
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)
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func TestSpecialTime(t *testing.T) {
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//2020 12 25 是周五
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timed, err := carbon.Create(2020, 12, 25, 0, 0, 0, 0, "Asia/Shanghai")
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if err != nil {
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log.Fatal(err)
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}
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//func description 设置(自定义工作日),如果在自定义工作日中的就返回true | 这边还设置了一周的起始和结束
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timed.SetWeekStartsAt(time.Sunday)
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timed.SetWeekEndsAt(time.Saturday)
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timed.SetWeekendDays([]time.Weekday{time.Monday, time.Tuesday, time.Wednesday})
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fmt.Printf("Today is %s, weekend? %t\n", timed.Weekday(), timed.IsWeekend())
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fmt.Println()
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//func description 增加多少时间减掉多少时间，这边是比较特殊的处理，就是说可以增加周数，月数，年数
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fmt.Printf("Right now is %s\n", carbon.Now().DateTimeString())
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today, _ := carbon.NowInLocation("Japan")
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fmt.Printf("Right now in Japan is %s\n", today)
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fmt.Printf("Tomorrow is %s\n", carbon.Now().AddDay())
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fmt.Printf("Last week is %s\n", carbon.Now().SubWeek())
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fmt.Printf("Last month is %s\n", carbon.Now().SubMonth())
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nextOlympics, _ := carbon.CreateFromDate(2016, time.August, 5, "Europe/London")
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nextOlympics = nextOlympics.AddYears(4)
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fmt.Printf("Next olympics are in %d\n", nextOlympics.Year())
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if carbon.Now().IsWeekend() {
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fmt.Printf("Happy time!")
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}
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}
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/*
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* @Author : huangzj
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* @Time : 2020/12/25 15:15
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* @Description：时间比较测试
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*/
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package carbon
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import (
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"fmt"
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"github.com/uniplaces/carbon"
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"testing"
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)
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func TestTimeCompare(t *testing.T) {
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t1, _ := carbon.CreateFromDate(2010, 10, 1, "Asia/Shanghai")
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t2, _ := carbon.CreateFromDate(2011, 10, 20, "Asia/Shanghai")
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//比较日期是不是相等
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fmt.Printf("t1 equal to t2: %t\n", t1.Eq(t2))
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fmt.Printf("t1 not equal to t2: %t\n\n", t1.Ne(t2))
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//比较日期前后关系
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fmt.Printf("t1 greater than t2: %t\n", t1.Gt(t2))
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fmt.Printf("t1 less than t2: %t\n\n", t1.Lt(t2))
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//比较日期是否处于之间
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t3, _ := carbon.CreateFromDate(2011, 1, 20, "Asia/Shanghai")
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fmt.Printf("t3 between t1 and t2: %t\n\n", t3.Between(t1, t2, true))
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//判断时间是不是某一种类型
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now := carbon.Now()
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fmt.Printf("Weekday? %t\n", now.IsWeekday())
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fmt.Printf("Weekend? %t\n", now.IsWeekend())
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fmt.Printf("LeapYear? %t\n", now.IsLeapYear())
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fmt.Printf("Past? %t\n", now.IsPast())
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fmt.Printf("Future? %t\n", now.IsFuture())
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}
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@@ -0,0 +1,25 @@
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/*
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* @Author : huangzj
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* @Time : 2020/12/25 15:23
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* @Description：
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*/
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package carbon
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import (
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"fmt"
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"github.com/uniplaces/carbon"
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"log"
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"testing"
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"time"
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)
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func TestTimeCreate(t *testing.T) {
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c, err := carbon.Create(2020, time.July, 24, 20, 0, 0, 0, "Japan")
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("The opening ceremony of next olympics will start at %s in Japan\n", c)
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}
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/*
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* @Author : huangzj
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* @Time : 2020/12/25 16:01
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* @Description：测试两个时间之间相差多少对应的时间
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*/
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package carbon
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import (
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"fmt"
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"github.com/uniplaces/carbon"
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"testing"
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)
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func TestTimeDiff(t *testing.T) {
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vancouver, _ := carbon.Today("Asia/Shanghai")
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london, _ := carbon.Today("Asia/Hong_Kong")
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fmt.Println(vancouver.DiffInSeconds(london, true)) // 0
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//func description 测试时间相差几个小时
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ottawa, _ := carbon.CreateFromDate(2000, 1, 1, "America/Toronto")
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vancouver, _ = carbon.CreateFromDate(2000, 1, 1, "America/Vancouver")
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fmt.Println(ottawa.DiffInHours(vancouver, true)) // 3
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fmt.Println(ottawa.DiffInHours(vancouver, false)) // 3
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fmt.Println(vancouver.DiffInHours(ottawa, false)) // -3
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//func description 测试时间相差多少天
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timed, _ := carbon.CreateFromDate(2012, 1, 31, "UTC")
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fmt.Println(timed.DiffInDays(timed.AddMonth(), true)) // 31
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fmt.Println(timed.DiffInDays(timed.SubMonth(), false)) // -31
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timed, _ = carbon.CreateFromDate(2012, 4, 30, "UTC")
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fmt.Println(timed.DiffInDays(timed.AddMonth(), true)) // 30
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fmt.Println(timed.DiffInDays(timed.AddWeek(), true)) // 7
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//func description 测试时间相差多少分钟
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timed, _ = carbon.CreateFromTime(10, 1, 1, 0, "UTC")
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fmt.Println(timed.DiffInMinutes(timed.AddSeconds(59), true)) // 0
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fmt.Println(timed.DiffInMinutes(timed.AddSeconds(60), true)) // 1
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fmt.Println(timed.DiffInMinutes(timed.AddSeconds(119), true)) // 1
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fmt.Println(timed.DiffInMinutes(timed.AddSeconds(120), true)) // 2
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}
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@@ -0,0 +1,35 @@
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/*
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* @Author : huangzj
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* @Time : 2020/12/25 17:10
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* @Description：
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*/
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package carbon
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import (
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"fmt"
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"github.com/uniplaces/carbon"
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"testing"
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"time"
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)
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func TestTimeModifier(t *testing.T) {
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//测试时间修饰词,获取相应修饰词对应的日期时间
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timed := carbon.Now()
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fmt.Printf("Start of day:%s\n", timed.StartOfDay())
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fmt.Printf("End of day:%s\n", timed.EndOfDay())
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fmt.Printf("Start of month:%s\n", timed.StartOfMonth())
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fmt.Printf("End of month:%s\n", timed.EndOfMonth())
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fmt.Printf("Start of year:%s\n", timed.StartOfYear())
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fmt.Printf("End of year:%s\n", timed.EndOfYear())
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fmt.Printf("Start of decade:%s\n", timed.StartOfDecade())
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fmt.Printf("End of decade:%s\n", timed.EndOfDecade())
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fmt.Printf("Start of century:%s\n", timed.StartOfCentury())
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fmt.Printf("End of century:%s\n", timed.EndOfCentury())
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fmt.Printf("Start of week:%s\n", timed.StartOfWeek())
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fmt.Printf("End of week:%s\n", timed.EndOfWeek())
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fmt.Printf("Next:%s\n", timed.Next(time.Wednesday))
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fmt.Printf("Previous:%s\n", timed.Previous(time.Wednesday))
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}
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@@ -0,0 +1,26 @@
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/*
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* @Author : huangzj
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* @Time : 2020/12/25 17:27
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* @Description：
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*/
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package carbon
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import (
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"fmt"
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"github.com/uniplaces/carbon"
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"testing"
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)
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func TestTimeOperation(t *testing.T) {
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now := carbon.Now()
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fmt.Println("now is:", now)
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fmt.Println("one second later is:", now.AddSecond())
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fmt.Println("one minute later is:", now.AddMinute())
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fmt.Println("one hour later is:", now.AddHour())
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fmt.Println("3 minutes and 20 seconds later is:", now.AddMinutes(3).AddSeconds(20))
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fmt.Println("2 hours and 30 minutes later is:", now.AddHours(2).AddMinutes(30))
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fmt.Println("3 days and 2 hours later is:", now.AddDays(3).AddHours(2))
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}
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获取包命令： go get github.com/uniplaces/carbon
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参考 go每日一库：https://github.com/darjun/go-daily-lib
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