java date conversion instance code between various formats
- 2020-06-12 09:15:36
- OfStack
java date conversion instance code between various formats
java date converts between various formats, calling static methods directly
Example code:
java A conversion between various date formats that calls static methods directly
package com.hxhk.cc.util;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.lowagie.text.pdf.codec.postscript.ParseException;
public class DateUtil {
/**
* @param args
* @throws java.text.ParseException
* @throws ParseException
*/
public static void main(String[] args) throws ParseException, java.text.ParseException {
DateUtil du = new DateUtil();
//String s = du.numToDate(1350144260, "yyyy-MM-dd hh:mm:ss");
long time = du.stringToLong("2012-10-15 8:44:53", "yyyy-MM-dd hh:mm:ss")/1000;
long time1 = du.stringToLong("2012-10-15 20:44:53", "yyyy-MM-dd hh:mm:ss")/1000;
String date = du.longToString(1350470693,"yyyy-MM-dd hh:mm:ss" );
System.out.println(time);
System.out.println(time1);
System.out.println(date);
}
// date Type converted to String type
// formatType Format for yyyy-MM-dd HH:mm:ss//yyyy years MM month dd day HH when mm points ss seconds
// data Date Type of time
public static String dateToString(Date data, String formatType) {
return new SimpleDateFormat(formatType).format(data);
}
// long Type converted to String type
// currentTime To convert long Type of time
// formatType To convert string Type of time format
public static String longToString(long currentTime, String formatType)
throws ParseException, java.text.ParseException {
Date date = longToDate(currentTime, formatType); // long Type into Date type
String strTime = dateToString(date, formatType); // date Type into String
return strTime;
}
// string Type converted to date type
// strTime To convert string Type of time, formatType The format to convert yyyy-MM-dd HH:mm:ss//yyyy years MM month dd day
// HH when mm points ss Second,
// strTime The time format must match formatType Time format is the same
public static Date stringToDate(String strTime, String formatType)
throws ParseException, java.text.ParseException {
SimpleDateFormat formatter = new SimpleDateFormat(formatType);
Date date = null;
date = formatter.parse(strTime);
return date;
}
// long convert Date type
// currentTime To convert long Type of time
// formatType The time format to convert yyyy-MM-dd HH:mm:ss//yyyy years MM month dd day HH when mm points ss seconds
public static Date longToDate(long currentTime, String formatType)
throws ParseException, java.text.ParseException {
Date dateOld = new Date(currentTime); // According to the long Type of number of milliseconds of life 1 a date Type of time
String sDateTime = dateToString(dateOld, formatType); // the date Type of time to string
Date date = stringToDate(sDateTime, formatType); // the String Type converted to Date type
return date;
}
// string Type converted to long type
// strTime To convert String Type of time
// formatType Time format
// strTime Time format and formatType The time format must be the same
public static long stringToLong(String strTime, String formatType)
throws ParseException, java.text.ParseException {
Date date = stringToDate(strTime, formatType); // String Type into date type
if (date == null) {
return 0;
} else {
long currentTime = dateToLong(date); // date Type into long type
return currentTime;
}
}
// date Type converted to long type
// date To convert date Type of time
public static long dateToLong(Date date) {
return date.getTime();
}
public static String numToDate(int number,String formatType){
Date date = new Date(number);
SimpleDateFormat sdf = new SimpleDateFormat(formatType);
return sdf.format(date);
}
}
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