Tags: now () _for date plus subtract RDA date () type name here valOne, MySQL adds a time interval for the date: Date_add ().1. Example:Set @dt = Now ();Select Date_add (@dt, Interval 1 day); -Plus 1 daysSelect Date_add (@dt, interval 1 hour); -
In Linux shell programming, the addition and subtraction of dates is often usedView time:[[Email protected] ~]# DateFri SEP 2 13:12:56 CST 2016Modification Time:[[email protected] ~]# date-s "1980-01-01 00:00:00"Tue Jan 1 00:00:00 CST 1980Actually, the date command itself provides the addition and subtraction of dates.Very convenient. For example: Get yesterday's timeDate +%y%m%d--
Today we see in PHP to calculate the time difference between two times, the following we directly use the Data,strtotime and three functions are implemented, there is a need for friends to refer to.
This is the example that needs to be told today. Knowing a date and time,
Example: 2012-04-25 10:10:00
I want to add 5 months to this date and time and return to the date
Tag: Time () format system led reg operation text Val Month Day1. Use java. util. Calender to achieveCalendar calendar=calendar.getinstance ();Calendar.settime (New Date ());System.out.println (Calendar.get (Calendar.day_of_month));//Today's dateCalendar.set (Calendar.day_of_month,calendar.get (calendar.day_of_month) +1);//Let date plus 1System.out.println (Calen
Sysdate,to_char (sysdate-1/24/60/60, ' Yyyy-mm-dd HH24:MI:SS ') from dual; -Minus 1 seconds the date and date cannot be added together with a date and numberSql> select sysdate+1 from dual; Date and date can be subtractedSql> select Sysdate-sysdate from dual; Add_months (d,
stampEcho $dt=Date(' Y-m-d h:i:s ',$t);//2017-01-09 21:10:16/*Method One*/Echo Date(' Y-m-d h:i:s ',$t+1*24*60*60);//Specify time stamp + 1 days 2017-01-10 21:10:16Echo Date(' Y-m-d h:i:s ',$t+365*24*60*60);//Specify time stamp + 1 year 2018-01-09 21:10:16/*Method Two*///$dt is the date after the specified timestamp i
Sometimes, we want to add a few days, months, or years on the current date, but always find the right method, but under, please an expert help, Lao Liu gave a word: use Canlender. After that, I used calender, a use, really good use, write it, and we share together:My needsI am working on a questionnaire to set the effective number of days for a questionnaire: how to implement it within 30 days of the date o
1. Use java. util. Calender to achieveCalendar calendar=calendar.getinstance ();Calendar.settime (New Date ());System.out.println (Calendar.get (Calendar.day_of_month));//Today's dateCalendar.set (Calendar.day_of_month,calendar.get (calendar.day_of_month) +1);//Let date plus 1System.out.println (Calendar.get (calendar.date));//top of
Add_months: Add MonthSELECT Sysdate,add_month (sysdate,1) from DUAL;Sysdate add_months (sysdate,1)----------- ---------------------03-1-8 16:2 03-2-8 16:21:59Plus Day:sql> SELECT sysdate,sysdate+1 from DUAL;Sysdate sysdate+1----------- -----------03-1-8 16:2 03-1-9 16:2
-----------------------------------------------------------------------
No addition between date and dateSql> select Sysdate+sysdate from dual;Select Sysdate+sysdate from dualORA-009
How do you use this class? Take a look at the following demo:
Copy CodeThe code is as follows:
$temptime = time ();
Echo strftime ("%hh%m%A%d%b", $temptime);
$date = new Dateaccount ();
$temptime = $date->dateadd ("n", $temptime);
echo "
" ;Echo strftime ("%hh%m%A%d%b", $temptime);Copy the Code code as follows:$temptime = time ();Echo strftime ("%hh%m%A%d%b", $temptime);$
How do you use this class? Take a look at the demo below:
Copy Code code as follows:
$temptime = time ();
Echo strftime ("%hh%m%A%d%b", $temptime);
$date = new Dateaccount ();
$temptime = $date->dateadd ("n", M, $temptime);
echo "Echo strftime ("%hh%m%A%d%b", $temptime);
Copy Code code as follows:
$temptime = time ();
Echo strftime ("%hh%m%A%d%b", $temptime)
Tags: Sub interval time () date pos to add function DDTMySQL adds a time interval for the date: Date_add () Now ()//now function to get the current time Select Date_add (now (), Interval 1 day); -Plus 1 days Select Date_add (now (), interval 1 hour); -Plus 1 hours Select Date_add (now (), interval 1 minute); -
Show the date of a certain year
function Getforecasttime (date) {
Date = new date (date);
var ndate = date.getfullyear () + "year";
Ndate+=date.getmonth () + 1 + "month" + date.getdate () + "Day";
return ndate;
}
Date
Bind a variable of DATE type in SQL * Plus
SQL * Plus is an essential tool for DBAs. According to TK, "DBAs that do not use SQL * Plus are not qualified DBAs ." Of course, this is not the case, but it is similar to this. We can see the importance of SQL * Plus.
SQL *
@NEW_ID = (@YYYY + @MM + @DD + ' 00000001 ')
--if it comes out,
:
ELSE
BEGIN
DECLARE @NUM VARCHAR (8)
--Remove the largest number plus 1
:
SET @NUM = CONVERT (VARCHAR, (CONVERT (INT, right (@NEW_ID, 8)) + 1)
-Because of the type conversion, lost 0 of the high, need to fill up
SET @NUM = REPLICATE (' 0 ', 8-len (@NUM)) + @NUM
--Last return date plus number
:
SET
Using Java.util.Calender to achieve
Calendar calendar=calendar.getinstance ();Calendar.settime (New Date ());System.out.println (Calendar.get (Calendar.day_of_month));//Today's dateCalendar.set (Calendar.day_of_month,calendar.get (calendar.day_of_month) +1);//Let date plus 1System.out.println (Calendar.get (calendar.date));//top of
Tags: style blog http color ar using SP strong dataFirst of all, thanks to the author's hard Sweat to bring us a summary, because the date function operation on peacetime use is really very common, so collection for later use.Original Sticker Address: http://www.cnblogs.com/xiao-yu/archive/2011/05/24/2055967.htmlBoth date and timestamp can be added and reduced.There are three ways to manipulate different ti
*\\)");//Matcher Matcher = Pattern.matcher (str);while (Matcher.find ()) {SYSTEM.OUT.PRINTLN ("group 0:" + matcher.group (0));//Get Group No. 0-the entire matchSystem.out.println ("Group 1:" + matcher.group (1));//Get the first set of matches--matching with (or)System.out.println ("Group 2:" + Matcher.group (2));//Get the second set of matches--with (ld!) Matched, the group is also the sub-expressionSystem.out.println ("Start 0:" + matcher.start (0) + "End 0:"+ matcher.end (0));//Total matching
JS is not directly available functions, so can only write their own, which need to relate to the judgment of the number of days per month, if it is February, but also related to the judgement of leap years1 varAdddate = {2 //date, based on the original date, increase days, by default 1 days3SetDate:function(date, days) {4 if(days = = Undefined
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.