如何只得到直至小時從日期時間中階

如何使用約達時間如何只得到直至小時從日期時間中階

 input: 2016-04-26T21:00:00+00:0 
    output:2016-04-26 21:00:00

由於得到階以下的輸出，

來源

2016-05-16 G G

它有點不清楚問題是什麼？在標題中，你只需要詢問直到從datetime開始的小時，並且在問題中使用joda在scala中獲得輸出結果？ –

您可以像在java中一樣執行它，它是相同的庫。 –

這似乎做到這一點 -

$ scala -cp joda-time-2.9.jar 
Welcome to Scala 2.11.8 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_92). 
Type in expressions for evaluation. Or try :help. 

scala> import org.joda.time.DateTime 
import org.joda.time.DateTime 

scala> import org.joda.time.format.DateTimeFormat 
import org.joda.time.format.DateTimeFormat 

scala> val fmt2 = DateTimeFormat.forPattern("yyyy-MM-dd'T'HH:mm:ssZZ") 
fmt2: org.joda.time.format.DateTimeFormatter = [email protected] 

scala> import org.joda.time.DateTimeZone 
import org.joda.time.DateTimeZone 

scala> val x = fmt2.parseDateTime("2016-04-26T21:00:00+00:00").withZone(DateTimeZone.UTC) 
warning: Class org.joda.convert.FromString not found - continuing with a stub. 
warning: Class org.joda.convert.ToString not found - continuing with a stub. 
warning: Class org.joda.convert.ToString not found - continuing with a stub. 
warning: Class org.joda.convert.FromString not found - continuing with a stub. 
warning: Class org.joda.convert.ToString not found - continuing with a stub. 
x: org.joda.time.DateTime = 2016-04-26T21:00:00.000Z 

scala> x.withMinuteOfHour(0).withSecondOfMinute(0) 
res0: org.joda.time.DateTime = 2016-04-26T21:00:00.000Z 

scala> val fmt = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss") 
fmt: org.joda.time.format.DateTimeFormatter = [email protected] 

scala> fmt.print(res0) 
res1: String = 2016-04-26 21:00:00

來源

2016-05-16 09:05:33 Bharadwaj

如何只得到直至小時從日期時間中階

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