Java time conversion and java time Conversion

Java time conversion and java time Conversion

 

1 import java. text. parseException; 2 import java. text. simpleDateFormat; 3 import java. util. calendar; 4 import java. util. date; 5 6/** 7 * Created by Edward on 2016/6/30. 8 */9 public class TimeUtil {10 11 12/*** 13 * converts 1467341232351 to the specified format "yyyy-MM-dd HH: mm: ss. SSS "14 * @ param time" 1467342217645 "15 * @ param pattern" yyyy-MM-dd HH: mm: ss. SSS "16 * @ return 11:03:37. 64517 */18 19 public static String parseLongTime2String (String time, String pattern) {20 Calendar ar calendar = Calendar ar. getInstance (); 21 calendar. setTimeInMillis (Long. valueOf (time); 22 return new SimpleDateFormat (pattern ). format (calendar. getTime (); 23} 24 25 26/** 27 * convert the string in the specified format to long28 * @ param time "10:52:41. 792 "29 * @ param pattern" yyyy-MM-dd HH: mm: ss. SSS "30 * @ return 146734156179231 */32 public static long parseString2LongTime (String time, String pattern) 33 {34 Date date = null; 35 try {36 date = new SimpleDateFormat (pattern ). parse (time); 37} catch (ParseException e) {38 e. printStackTrace (); 39} 40 return date. getTime (); 41} 42 43 public static void main (String [] args) 44 {45 Calendar calendar AR = Calendar ar. getInstance (); 46 47 System. out. println (calendar. getTimeInMillis (); 48 49 System. out. println (TimeUtil. parseLongTime2String (String. valueOf (calendar. getTimeInMillis (), "yyyy-MM-dd HH: mm: ss. SSS "); 50 51 System. out. println (TimeUtil. parseString2LongTime ("2016-07-01 10:52:41. 792 "," yyyy-MM-dd HH: mm: ss. SSS "); 52 53} 54 55}