Operations on time (Java edition) -- converts milliseconds to years, months, days, hours, minutes, And seconds

Method 1:

Import java. util. calendar; import java. util. timeZone; public class Test {/*** converts millisecond to year, month, day, hour, minute, second ** @ author GaoHuanjie */public String getYearMonthDayHourMinuteSecond (long timeMillis) {Calendar calendar AR = Calendar ar. getInstance (TimeZone. getTimeZone ("GMT + 8"); calendar. setTimeInMillis (timeMillis); int year = calendar. get (Calendar. YEAR); int month = calendar. get (Calendar. MONTH) + 1; String mToMonth = null; if (String. valueOf (month ). length () = 1) {mToMonth = "0" + month;} else {mToMonth = String. valueOf (month);} int day = calendar. get (Calendar. DAY_OF_MONTH); String dToDay = null; if (String. valueOf (day ). length () = 1) {dToDay = "0" + day;} else {dToDay = String. valueOf (day);} int hour = calendar. get (Calendar. HOUR_OF_DAY); String hToHour = null; if (String. valueOf (hour ). length () = 1) {hToHour = "0" + hour;} else {hToHour = String. valueOf (hour);} int minute = calendar. get (Calendar. MINUTE); String mToMinute = null; if (String. valueOf (minute ). length () = 1) {mToMinute = "0" + minute;} else {mToMinute = String. valueOf (minute);} int second = calendar. get (Calendar. SECOND); String sToSecond = null; if (String. valueOf (second ). length () = 1) {sToSecond = "0" + second;} else {sToSecond = String. valueOf (second);} return year + "-" + mToMonth + "-" + dToDay + "+ hToHour +": "+ mToMinute +": "+ sToSecond ;} public static void main (String [] args) {System. out. println (new Test (). getYearMonthDayHourMinuteSecond (System. currentTimeMillis ()));}}

Method 2:

Public class Test {/*** converts millisecond to year, month, day, hour, minute, second ** @ author GaoHuanjie */public String getYearMonthDayHourMinuteSecond (long timeMillis) {int timezone = 8; // Time Zone long totalSeconds = timeMillis/1000; totalSeconds + = 60*60 * timezone; int second = (int) (totalSeconds % 60 ); // seconds long totalMinutes = totalSeconds/60; int minute = (int) (totalMinutes % 60); // minute long totalHours = totalMinutes/60; int hour = (int )( TotalHours % 24); // time int totalDays = (int) (totalHours/24); int _ year = 1970; int year = _ year + totalDays/366; int month = 1; int day = 1; int diffDays; boolean leapYear; while (true) {int diff = (year-_ year) * 365; diff + = (year-1)/4-(_ year-1)/4; diff-= (year-1)/100-(_ year-1) /100); diff + = (year-1)/400-(_ year-1)/400; diffDays = totalDays-diff; leapYear = (year % 4 = 0) & (year % 100! = 0) | (year % 400 = 0); if (! LeapYear & diffDays <365 | leapYear & diffDays <366) {break;} else {year ++ ;}} int [] monthDays; if (diffDays >=59 & leapYear) {monthDays = new int [] {-1, 0, 31, 60, 91,121,152,182,213,244,274,305,335 };} else {monthDays = new int [] {-1, 0, 31, 59, 90,120,151,181,212,243,273,304,334} ;}for (int I = monthDays. length-1; I> = 1; I --) {if (diffDays> = monthDays [I]) {month = I; day = diffDays-monthDays [I] + 1; break;} return year + "-" + month + "-" + day + "+ hour +": "+ minute +": "+ second ;} public static void main (String [] args) {System. out. println (new Test (). getYearMonthDayHourMinuteSecond (System. currentTimeMillis ()));}}