IT/프로그래밍

mysql datetime to java String 변환

Collin 2019. 9. 25. 14:22
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mysql data type datetime 값을 java Date 로 조회

java Date를 String 원하는 유형으로 변환 

 

 

1. mysql datatype datetime 값 

 

2. java date 출력 ( class, string )

		Date date = new Date();
		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		String dateString = format.format( date );
		
		System.out.println(date);
		System.out.println(dateString);

 

 

3. 출력 결과

 

 

4. sql.xml 예

java date String to mysql datetime 으로 변환

	<select id="">
		select DATE_FORMAT(#date#,'%Y-%m-%d %h:%i:%s')		
	</select>

 

5. DATE_FORMAT(date, format)

 

6. FormatDescription

%a Abbreviated weekday name (Sun to Sat)
%b Abbreviated month name (Jan to Dec)
%c Numeric month name (0 to 12)
%D Day of the month as a numeric value, followed by suffix (1st, 2nd, 3rd, ...)
%d Day of the month as a numeric value (01 to 31)
%e Day of the month as a numeric value (0 to 31)
%f Microseconds (000000 to 999999)
%H Hour (00 to 23)
%h Hour (00 to 12)
%I Hour (00 to 12)
%i Minutes (00 to 59)
%j Day of the year (001 to 366)
%k Hour (0 to 23)
%l Hour (1 to 12)
%M Month name in full (January to December)
%m Month name as a numeric value (00 to 12)
%p AM or PM
%r Time in 12 hour AM or PM format (hh:mm:ss AM/PM)
%S Seconds (00 to 59)
%s Seconds (00 to 59)
%T Time in 24 hour format (hh:mm:ss)
%U Week where Sunday is the first day of the week (00 to 53)
%u Week where Monday is the first day of the week (00 to 53)
%V Week where Sunday is the first day of the week (01 to 53). Used with %X
%v Week where Monday is the first day of the week (01 to 53). Used with %X
%W Weekday name in full (Sunday to Saturday)
%w Day of the week where Sunday=0 and Saturday=6
%X Year for the week where Sunday is the first day of the week. Used with %V
%x Year for the week where Monday is the first day of the week. Used with %V
%Y Year as a numeric, 4-digit value
%y Year as a numeric, 2-digit value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

참조 

mysql convert

http://www.sqlines.com/sql-server-to-mysql/functions/convert_datetime

 

SQL Server CONVERT for Datetime in MySQL - SQLines Open Source Tools

In SQL Server, you can use CONVERT function to convert a string with the specified format to a DATETIME value. In MySQL, you can use STR_TO_DATE function if you need a specific format, or CONVERT if you need the default format. Note that the order of param

www.sqlines.com

java date format

http://tutorials.jenkov.com/java-date-time/parsing-formatting-dates.html

 

Parsing and Formatting Dates in Java

This tutorial explains how to parse and format dates in Java using the SimpleDateFormat class and the DateTimeFormatter class.

tutorials.jenkov.com

 

 

 

 

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