NAME
EasyTool-TimeFunc - the time operate related function part of EasyTool
SYNOPSIS
use EasyTool;
if(defined(&EasyTool::foo)){
print "lib is included";
}else{
print "lib is not included";
}
print EasyTool::time_2_str('1983-03-07 01:02:03','%yyyy-%MM-%%dd');
print EasyTool::time_2_str('1983-03-07 01:02:03');
print EasyTool::time_2_str('1983-03-07');
print EasyTool::time_2_str('2004-08-28T08:06:00');
print EasyTool::time_2_str('946656000');
print EasyTool::time_2_str(' 1983-03-07 ');
print EasyTool::time_2_str('1983-03-07T01:02:03');
print EasyTool::is_time('1983-03-07 01:02:03');
print EasyTool::time_2_timestamp('1983-03-07 01:02:03');
print EasyTool::hash_2_timestamp({year=>1983,month=>3,day=>7,hour=>1,min=>2,sec=>3});
$rh_time=EasyTool::time_2_hash('1983-03-07 01:02:03'); #{year=>1983,month=>3,day=>7,hour=>1,min=>2,sec=>3}
print EasyTool::now();
print EasyTool::time();
print EasyTool::datetime_now();
print EasyTool::date_now();
print day_of_month(2000,2); #29
print EasyTool::timestamp_set('1983-03-07 01:02:03',{year=>1984,month=>5,day=>10,hour=>5,min=>7,sec=>9});#maybe 453013629
print EasyTool::datetime_set('1983-03-07 01:02:03',{year=>1984,day=>10,min=>7});#'1984-03-10 01:07:03'
print EasyTool::date_set('1983-03-07 01:02:03'',{month=>5,hour=>5,sec=>9});#'1983-05-07'
print EasyTool::timestamp_add('1983-03-07 01:02:03',{year=>1,month=>2,day=>3,hour=>4,min=>5,sec=>6});#maybe 453013629
$datetime=EasyTool::datetime_add('1983-03-07 01:02:03',{year=>1,day=>3,min=>5});#'1984-03-10 01:07:03'
$date=EasyTool::date_add('1983-03-07 01:02:03',{month=>2,hour=>4,sec=>6});#'1983-05-07'The synopsis above only lists the major methods and parameters.
DESCRIPTION
The EasyTool module aims to provide a easy to use, easy to port function set
you can copy and paste some function to embed into your code as easy as possiable youc can also make some modification on function as you need
this package inlcude the time operate related function part of EasyTool
Fisrt of All
support time from 1971 to 2037
if you want more function,please use EasyDateTime
the time zone used in these function is server local time zoneNotation and Conventions
function name
the 'time' in function name means time_str, please read the description of $time_strparam and return value
$time_str: $time_str is the string as be accept as a time
Samples can be accepted
'2004-08-28 08:06:00' ' 2004-08-28 08:06:00 '
'2004-08-28T08:06:00' '2004/08/28 08:06:00'
'2004.08.28 08:06:00' '2004-08-28 08.06.00'
'04-8-28 8:6:0' '2004-08-28' '08:06:00'
'946656000'
Which string can be accepted?
rule 0: Unix Timestamp, an int represent seconds since the Unix Epoch (January 1 1970 00:00:00 GMT) can be accepted
rule 1: there can be some blank in the begin or end of string e.g. ' 2004-08-28 08:06:00 '
rule 2: date can be separate by . / or - e.g. '2004/08/28 08:06:00'
rule 3: time can be separate by . or : e.g. '2004-08-28 08.06.00'
rule 4: date and time can be join by white space or 'T' e.g. '2004-08-28T08:06:00'
rule 5: can be (date and time) or (only date) or (only time) e.g. '2004-08-28' or '08:06:00'
rule 6: year can be 2 digits or 4 digits,other field can be 2 digits or 1 digit e.g. '04-8-28 8:6:0'
rule 7: if only the date be set then the time will be set to 00:00:00
if only the time be set then the date will be set to 2000-01-01
$timestamp : unix timestamp, an integer like 946656000
$datetime : date time string, a string, like '2004-08-28 08:06:00'
$date : date string, a string like, like '2004-08-28'
$rh_time : a hash represent a time
$rh_time is a struct like {year=>2000,month=>1,day=>1,hour=>0,min=>0,sec=>0}
if some item in $rh_time is not set ,use default value instead
default values: year=>2000,month=>1,day=>1,hour=>0,min=>0,sec=>0
$rh_offset : a hash represent the offset in two times
$rh_offset is a struct like {year=>0,month=>0,day=>0,hour=>0,min=>0,sec=>0}
if some item in $rh_offset is not set ,use zero instead, integer can be negative
one month: {month=>1}
one day : {day=>1}
one month and one day: {month=>1,day=>1}
when you add a time with $rh_offset such as {year=>0,month=>0,day=>0,hour=>0,min=>0,sec=>0}, it will add second first,then
miniute, hour, day, month, year
$template option:
#===FORMAT
#%datetime return string like '2004-08-28 08:06:00'
#%date return string like '2004-08-28'
#%timestamp return unix timestamp
#===YEAR
#%yyyy A full numeric representation of a year, 4 digits(2004)
#%yy A two digit representation of a year(04)
#===MONTH
#%MM Numeric representation of a month, with leading zeros (01..12)
#%M Numeric representation of a month, without leading zeros (1..12)
#===DAY
#%dd Day of the month, 2 digits with leading zeros (01..31)
#%d Day of the month without leading zeros (1..31)
#===HOUR
#%h12 12-hour format of an hour without leading zeros (1..12)
#%h 24-hour format of an hour without leading zeros (0..23)
#%hh12 12-hour format of an hour with leading zeros (01..12)
#%hh 24-hour format of an hour with leading zeros (00..23)
#%ap a Lowercase Ante meridiem and Post meridiem (am or pm)
#%AP Uppercase Ante meridiem and Post meridiem (AM or PM)
#===MINUTE
#%mm Minutes with leading zeros (00..59)
#%m Minutes without leading zeros (0..59)
#===SECOND
#%ss Seconds, with leading zeros (00..59)
#%s Seconds, without leading zeros (0..59)
$bool: 1 for true and '' for falseextra knowledge
AM and PM - What is Noon and Midnight?
AM and PM start immediately after Midnight and Noon (Midday) respectively.
This means that 00:00 AM or 00:00 PM (or 12:00 AM and 12:00 PM) have no meaning.
Every day starts precisely at midnight and AM starts immediately after that point in time e.g. 00:00:01 AM (see also leap seconds)
To avoid confusion timetables, when scheduling around midnight, prefer to use either 23:59 or 00:01 to avoid confusion as to which day is being referred to.
It is after Noon that PM starts e.g. 00:00:01 PM (12:00:01)basic function
foo - check whether this module is be used
if(defined(&EasyTool::foo)){
print "lib is included";
}else{
print "lib is not included";
}time_2_str - format output time string
$format_str=EasyTool::time_2_str($time_str[,$template])
time_2_str($time_str) return str sush as '2000-01-01 00:00:00'
time_2_str($time_str,'%yyyy-%MM-%dd') return str sush as '2000-01-01'is_time - whether this is a valid time string
$bool=EasyTool::is_time($time_str)time_2_timestamp - input is $time_str output is unix timestamp
$timestamp=EasyTool::time_2_timestamp($time_str)hash_2_timestamp - input is hash output is unix timestamp
$timestamp=EasyTool::hash_2_timestamp($rh_time)time_2_hash
$rh_time=EasyTool::time_2_hash($time_str)get time of now
$timestamp=EasyTool::now();
$timestamp=EasyTool::time();
$datetime=EasyTool::datetime_now();
$date=EasyTool::date_now();day_of_month - get day count of specified month
$day_count=day_of_month($year,$month)set time funcion
$timestamp=EasyTool::timestamp_set($time_str,$rh_time);
$date=EasyTool::date_set($time_str,$rh_time);
$datetime=EasyTool::datetime_add($time_str,$rh_offset)time operate funcion
$timestamp=EasyTool::timestamp_add($time_str,$rh_offset);
$datetime=EasyTool::datetime_add($time_str,$rh_offset);
$date=EasyTool::date_add($time_str,$rh_offset)COPYRIGHT
The EasyTool module is Copyright (c) 2003-2005 QIAN YU. All rights reserved.
You may distribute under the terms of either the GNU General Public License or the Artistic License, as specified in the Perl README file.