Time and datetime related functions in CCGL. 更多...

#include "basic.h"

类
struct	ccgl::utils_time::DateTime
	A type representing the combination of date and time. 更多...

命名空间
namespace	ccgl
	Common Cross-platform Geographic Library (CCGL)

namespace	ccgl::utils_time
	Time related functions

函数
double	ccgl::utils_time::TimeCounting ()
	Precisely and cross-platform time counting function.

bool	ccgl::utils_time::IsLeapYear (const int yr)
	Check the given year is a leap year or not. 更多...

string	ccgl::utils_time::ConvertToString (const time_t date, bool utc_time=true)
	Convert date time to string as the format of "YYYY-MM-DD" 更多...

string	ccgl::utils_time::ConvertToString2 (const time_t date, bool utc_time=true)
	Convert date time to string as the format of "YYYY-MM-DD HH" 更多...

string	ccgl::utils_time::ConvertToString3 (const time_t date, bool utc_time=true)
	Convert date time to string as the format of "YYYY_MM_DD_HHMMSS" 更多...

time_t	ccgl::utils_time::ConvertToTime (const string &str_date, string const &format, bool include_hour, bool utc_time=true)
	Convert string to date time, string format could be %4d%2d%2d or d-d-d 更多...

time_t	ccgl::utils_time::ConvertYMDToTime (int &year, int &month, int &day, bool utc_time=true)
	Convert integer year, month, and day to date time 更多...

int	ccgl::utils_time::GetDateInfoFromTimet (time_t t, int year, int month, int *day, bool utc_time=true)
	Get date information from time_t variable 更多...

void	ccgl::utils_time::LocalTime (time_t date, struct tm *t)
	Get local time 更多...

void	ccgl::utils_time::UTCTime (time_t date, struct tm *t)
	Get UTC:+00:00 time 更多...

void	ccgl::utils_time::GetDateTime (time_t date, struct tm *t, bool utc_time=true)
	Get UTC:+00:00 time 更多...

int	ccgl::utils_time::GetYear (time_t date, bool utc_time=true)
	Get the year 更多...

int	ccgl::utils_time::GetMonth (time_t date, bool utc_time=true)
	Get the month 更多...

int	ccgl::utils_time::GetDay (time_t date, bool utc_time=true)
	Get the day 更多...

int	ccgl::utils_time::DayOfYear (time_t date, bool utc_time=true)
	Get the day of one year, [1, 366]

int	ccgl::utils_time::DayOfYear (int year, int month, int day)
	Get the day of one year, [1, 366]

int	ccgl::utils_time::JulianDay (time_t date, bool utc_time=true)
	Get the Julian day from time_t date

int	ccgl::utils_time::JulianDay (int year, int month, int day)
	Get the Julian day of one day from year, month, and day. 更多...

详细描述

Time and datetime related functions in CCGL.

备注

1. 2018-05-01 - lj - Make part of CCGL.
2. 2018-05-23 - lj - Add DateTime struct which combines date and time.

作者: Liangjun Zhu, zlj(at)lreis.ac.cn

类

命名空间

函数

详细描述