Tool classes for string and date type conversions

Common string-to-date, and date-to-string methods ...

Package Com.cq2022.zago.base.util;import Java.text.dateformat;import Java.text.parseexception;import Java.text.simpledateformat;import Java.util.date;import Java.util.gregoriancalendar;import Javax.xml.datatype.datatypefactory;import Javax.xml.datatype.xmlgregoriancalendar;import Org.slf4j.Logger;import org.slf4j.loggerfactory;/*** * Date Tool class * * @author shijing * */public class Dateutils {private static final Logger Logger = Loggerfactory.getlogger (dateutils.class);/*** * Date type converted to Xmlgregoriancalendar type * * @param date * @return */public stat IC Xmlgregoriancalendar Converttoxmlgregoriancalendar (date date) {GregorianCalendar cal = new GregorianCalendar (); Cal.settime (date); Xmlgregoriancalendar GC = null;try {GC = Datatypefactory.newinstance (). Newxmlgregoriancalendar (CAL);} catch (Exception e) {logger.error ("date type converted to Xmlgregoriancalendar type error:" +e);} return GC;} /*** * Xmlgregoriancalendar type converted to date type * * @param cal * @return * @throws Exception */public static date converttodate (XM LgregorianCalendar cal) throws Exception {GregorianCalendar CA = Cal.togregoriancalendar (); return Ca.gettime ();} /** * String to date * March 25, 2015 Morning 11:27:14 * auther:shijing * @param str Date String * @param format conversion format * @return * Date */pub Lic static date stringtodate (string str, string format) {DateFormat DateFormat = new SimpleDateFormat (format);D ate Date = null;try {date = Dateformat.parse (str);} catch (ParseException e) {logger.error ("string type goes to date type error:" +e);} return date;} /** * Date Turn String * auther:shijing * March 25, 2015 Morning 11:28:14 * @param date * @param format conversion format * @return */public Stat IC String datetostring (Date date,string format) {DateFormat DateFormat = new SimpleDateFormat (format); String Strdate=null;try {if (date!=null) {Strdate=dateformat.format (date);}} catch (Exception e) {//TODO auto-generated Catch Blocklogger.error ("date type goes to String type error:" +e);} return strdate;} /*** * Test Method * * @param args */public static void main (string[] args) {Xmlgregoriancalendar d = Dateutils.converttoxmlgreg OriaNcalendar (New Date ());//system.out.println (D.getday ()); Xmlgregoriancalendar cal = Null;try {cal = Datatypefactory.newinstance (). Newxmlgregoriancalendar (); Cal.setMonth (06); Cal.setyear;D ate Date = Dateutils.converttodate (cal); String format = "Yyyy-mm-dd HH:mm:ss"; SimpleDateFormat formatter = new SimpleDateFormat (format),//system.out.println (date);D ate formatter.format = Dateutils.stringtodate ("2014/7/24 9:51:00", "Yyyy/mm/dd hh:mm:ss"); Xmlgregoriancalendar D2 = Dateutils.converttoxmlgregoriancalendar (D1);//system.out.println (d2.toString ()); String datestr=dateutils.datetostring (Cal.togregoriancalendar (). GetTime (), "Yyyy-mm-dd HH:mm:ss");// System.out.println ("datestr=" + Datestr);} catch (Exception e) {e.printstacktrace ();}}}

Tool classes for string and date type conversions