Java日期中的“ hh”格式类似于AM / PM中的01 – 12小时。使用SimpleDateFormat(“ hh”)获得相同的格式;
//以hh格式显示小时 SimpleDateFormat simpleformat = new SimpleDateFormat("hh"); String strHour2 = simpleformat.format(new Date()); System.out.println("Hour in hh format = "+strHour2);
上面,我们使用了SimpleDateFormat类,因此导入了以下包-
import java.text.SimpleDateFormat;
以下是一个例子-
import java.text.Format; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Calendar; public class Demo { public static void main(String[] args) throws Exception { //显示当前日期和时间 Calendar cal = Calendar.getInstance(); SimpleDateFormat simpleformat = new SimpleDateFormat("E, dd MMM yyyy HH:mm:ss Z"); System.out.println("Today's date and time = "+simpleformat.format(cal.getTime())); //显示日期 simpleformat = new SimpleDateFormat("dd/MMMM/yyyy"); String str = simpleformat.format(new Date()); System.out.println("Current Date = "+str); //当前时间 simpleformat = new SimpleDateFormat("HH.mm.ss Z"); String strTime = simpleformat.format(new Date()); System.out.println("Current Time = "+strTime); //以h格式显示小时 simpleformat = new SimpleDateFormat("h"); String strHour1 = simpleformat.format(new Date()); System.out.println("Hour in h format = "+strHour1); //以hh格式显示小时 simpleformat = new SimpleDateFormat("hh"); String strHour2 = simpleformat.format(new Date()); System.out.println("Hour in hh format = "+strHour2); } }
输出结果
Today's date and time = Mon, 26 Nov 2018 09:54:57 +0000 Current Date = 26/November/2018 Current Time = 09.54.57 +0000 Hour in h format = 9 Hour in hh format = 09