c语言-时间处理工具
头文件
功能实现
c语言-时间处理工具 头文件
#ifndef STUDY_TIME_UTIL_H
#define STUDY_TIME_UTIL_H
long get_current_timestamp();
long get_time_difference(long start_time,long end_time);
char* get_time_by_timestamp(long timestamp);
char* format_time(long timestamp,char* format);
int standard_to_stamp(char *str_time);
int get_current_year();
int get_current_month();
int get_current_day();
int get_current_hour();
int get_current_minute();
int get_current_second();
int get_current_week();
long get_time_difference_second(long start_time,long end_time);
long get_time_difference_minute(long start_time,long end_time);
long get_time_difference_hour(long start_time,long end_time);
long get_time_difference_day(long start_time,long end_time);
long get_time_difference_month(long start_time,long end_time);
long get_time_difference_year(long start_time,long end_time);
long add_time(long timestamp,int seconds);
long sub_time(long timestamp,int seconds);
long add_week(long timestamp,int week);
long add_second(long timestamp,int second);
long add_minute(long timestamp,int minute);
long add_hour(long timestamp,int hour);
long add_day(long timestamp,int day);
long add_month(long timestamp,int month);
long add_year(long timestamp,int year);
int compare_time(long timestamp1,long timestamp2);
char* week_to_str(int week);
int is_leap_year(int year);
char* get_season_by_timestamp(long timestamp);
long get_first_day_of_month();
long get_first_day_of_month_by_month(int month);
long get_last_day_of_month_by_month(int month);
long get_first_day_of_month_by_year(int year);
long get_last_day_of_month_by_year(int year);
long get_first_day_of_week_by_timestamp(long timestamp);
long get_last_day_of_week_by_timestamp(long timestamp);
int get_day_of_month();
int get_day_of_year();
int get_day_of_week();
int get_day_of_season();
long get_start_time_of_day(long timestamp);
long get_end_time_of_day(long timestamp);
#endif //STUDY_TIME_UTIL_H
功能实现
#include "time_util.h"
#include<time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
//获取当前时间戳
long get_current_timestamp(){
time_t timep;
time (&timep);
return timep;
}
//计算两个时间戳的时间差(返回毫秒)
long get_time_difference(long start_time,long end_time){
return end_time-start_time;
}
//计算两个时间戳的时间差(返回秒)
long get_time_difference_second(long start_time,long end_time){
return (end_time-start_time)/1000;
}
//计算两个时间戳的时间差(返回分钟)
long get_time_difference_minute(long start_time,long end_time){
return (end_time-start_time)/60;
}
//计算两个时间戳的时间差(返回小时)
long get_time_difference_hour(long start_time,long end_time){
return (end_time-start_time)/3600;
}
//计算两个时间戳的时间差(返回天)
long get_time_difference_day(long start_time,long end_time){
return (end_time-start_time)/86400;
}
//计算两个时间戳的时间差(返回月)
long get_time_difference_month(long start_time,long end_time){
return (end_time-start_time)/2592000;
}
//计算两个时间戳的时间差(返回年)
long get_time_difference_year(long start_time,long end_time){
return (end_time-start_time)/31104000;
}
//将时间戳转换为时间
char* get_time_by_timestamp(long timestamp){
time_t timep = timestamp;
char* time_str = ctime(&timep);
return time_str;
}
//时间相加
long add_time(long timestamp,int seconds){
return timestamp+seconds;
}
//时间相减
long sub_time(long timestamp,int seconds){
return timestamp-seconds;
}
//时间比较(时间戳) ( timestamp1比timestamp2)(1:大于 0:等于 -1:小于)
int compare_time(long timestamp1,long timestamp2){
if(timestamp1>timestamp2){
return 1;
}else if(timestamp1<timestamp2){
return -1;
}else{
return 0;
}
}
//格式化时间("%Y-%m-%d %H:%M:%S)
char* format_time(long timestamp,char* format){
time_t timep = timestamp;
localtime(&timep);
char *buffer=malloc(100);
strftime(buffer, 100, format, localtime(&timep));
return buffer;
}
//获取当前时间的年份
int get_current_year(){
time_t timep;
time (&timep);
return localtime(&timep)->tm_year+1900;
}
//获取当前时间的月份
int get_current_month(){
time_t timep;
time (&timep);
return localtime(&timep)->tm_mon+1;
}
//获取当前时间的日
int get_current_day(){
time_t timep;
time (&timep);
return localtime(&timep)->tm_mday;
}
//获取当前时间的小时
int get_current_hour(){
time_t timep;
time (&timep);
return localtime(&timep)->tm_hour;
}
//获取当前时间的分钟
int get_current_minute(){
time_t timep;
time (&timep);
return localtime(&timep)->tm_min;
}
//获取当前时间的秒
int get_current_second(){
time_t timep;
time (&timep);
return localtime(&timep)->tm_sec;
}
//获取当前时间的星期
int get_current_week(){
time_t timep;
time (&timep);
return localtime(&timep)->tm_wday;
}
//星期转换
char* week_to_str(int week){
switch (week){
case 0:
return "星期日";
case 1:
return "星期一";
case 2:
return "星期二";
case 3:
return "星期三";
case 4:
return "星期四";
case 5:
return "星期五";
case 6:
return "星期六";
default:
return "未知";
}
}
//世界时间转北京时间(需要+8小时)
long utc_to_cst(long timestamp){
return timestamp+28800;
}
//将标准时间(2022-09-12 13:46:14或者2022/09/12 13:46:14)转换为时间戳
int standard_to_stamp(char *str_time){
struct tm stm;
int iY,iM,iD,iH,iMin,iS;
memset(&stm,0,sizeof(stm));
iY = atoi(str_time);
iM = atoi(str_time+5);
iD = atoi(str_time+8);
iH = atoi(str_time+11);
iMin = atoi(str_time+14);
iS = atoi(str_time+17);
stm.tm_year=iY-1900;
stm.tm_mon=iM-1;
stm.tm_mday=iD;
stm.tm_hour=iH;
stm.tm_min=iMin;
stm.tm_sec=iS;
return (int)mktime(&stm);
}
//判断平年和闰年(1:平年 0:闰年) 闰年2月29天 平年2月28天 闰年能被4整除但不能被100整除的年份为闰年。能被400整除的为闰年
int is_leap_year(int year){
if(year%4==0&&year%100!=0||year%400==0){
return 1;
}else{
return 0;
}
}
//通过时间戳获取季节
char* get_season_by_timestamp(long timestamp){
int month = get_current_month();
if(month>=3&&month<=5){
return "春季";
}else if(month>=6&&month<=8){
return "夏季";
}else if(month>=9&&month<=11){
return "秋季";
}else{
return "冬季";
}
}
//获取本月第一天的日期时间戳
long get_first_day_of_month(){
time_t timep;
time (&timep);
struct tm *p;
p=localtime(&timep);
p->tm_mday=1;
p->tm_hour=0;
p->tm_min=0;
p->tm_sec=0;
return mktime(p);
}
//获取指定月份的第一天的日期时间戳
long get_first_day_of_month_by_month(int month){
time_t timep;
time (&timep);
struct tm *p;
p=localtime(&timep);
p->tm_mon=month-1;
p->tm_mday=1;
p->tm_hour=0;
p->tm_min=0;
p->tm_sec=0;
return mktime(p);
}
//获取指定月份最后一天日期时间戳
long get_last_day_of_month_by_month(int month){
time_t timep;
time (&timep);
struct tm *p;
p=localtime(&timep);
p->tm_mon=month;
p->tm_mday=0;
p->tm_hour=0;
p->tm_min=0;
p->tm_sec=0;
return mktime(p);
}
//获取指定年份的第一天的日期时间戳
long get_first_day_of_month_by_year(int year){
time_t timep;
time (&timep);
struct tm *p;
p=localtime(&timep);
p->tm_year=year-1900;
p->tm_mon=0;
p->tm_mday=1;
p->tm_hour=0;
p->tm_min=0;
p->tm_sec=0;
return mktime(p);
}
//获取指定年份最后一天日期时间戳
long get_last_day_of_month_by_year(int year){
time_t timep;
time (&timep);
struct tm *p;
p=localtime(&timep);
p->tm_year=year-1900;
p->tm_mon=11;
p->tm_mday=31;
p->tm_hour=0;
p->tm_min=0;
p->tm_sec=0;
return mktime(p);
}
//获取指定日期当周第一天的日期时间戳
long get_first_day_of_week_by_timestamp(long timestamp){
time_t timep;
timep = timestamp;
struct tm *p;
p=localtime(&timep);
p->tm_mday=p->tm_mday-p->tm_wday;
p->tm_hour=0;
p->tm_min=0;
p->tm_sec=0;
return mktime(p);
}
//获取指定日期当周最后一天的日期时间戳
long get_last_day_of_week_by_timestamp(long timestamp){
time_t timep;
timep = timestamp;
struct tm *p;
p=localtime(&timep);
p->tm_mday=p->tm_mday+(6-p->tm_wday);
p->tm_hour=0;
p->tm_min=0;
p->tm_sec=0;
return mktime(p);
}
//获取今天是本月的第几天
int get_day_of_month(){
time_t timep;
time (&timep);
struct tm *p;
p=localtime(&timep);
return p->tm_mday;
}
//获取今天是本年的第几天
int get_day_of_year(){
time_t timep;
time (&timep);
struct tm *p;
p=localtime(&timep);
return p->tm_yday;
}
//获取今天是本周的第几天
int get_day_of_week(){
time_t timep;
time (&timep);
struct tm *p;
p=localtime(&timep);
return p->tm_wday;
}
//获取今天是本季度的第几天
int get_day_of_season(){
time_t timep;
time (&timep);
struct tm *p;
p=localtime(&timep);
int month = p->tm_mon;
int day = p->tm_mday;
if(month>=0&&month<=2){
return day;
}else if(month>=3&&month<=5){
return day+31;
}else if(month>=6&&month<=8){
return day+31+30;
}else{
return day+31+30+31;
}
}
//获取指定时间的开始时间的日期时间戳 (也就是指定时间的00:00:00)
long get_start_time_of_day(long timestamp){
time_t timep;
timep = timestamp;
struct tm *p;
p=localtime(&timep);
p->tm_hour=0;
p->tm_min=0;
p->tm_sec=0;
return mktime(p);
}
//获取指定时间的结束时间的日期时间戳 (也就是指定时间的23:59:59)
long get_end_time_of_day(long timestamp){
time_t timep;
timep = timestamp;
struct tm *p;
p=localtime(&timep);
p->tm_hour=23;
p->tm_min=59;
p->tm_sec=59;
return mktime(p);
}
//添加指定天数
long add_day(long timestamp,int day){
time_t timep;
timep = timestamp;
struct tm *p;
p=localtime(&timep);
p->tm_mday=p->tm_mday+day;
return mktime(p);
}
//添加指定月数
long add_month(long timestamp,int month){
time_t timep;
timep = timestamp;
struct tm *p;
p=localtime(&timep);
p->tm_mon=p->tm_mon+month;
return mktime(p);
}
//添加指定年数
long add_year(long timestamp,int year){
time_t timep;
timep = timestamp;
struct tm *p;
p=localtime(&timep);
p->tm_year=p->tm_year+year;
return mktime(p);
}
//添加指定小时数
long add_hour(long timestamp,int hour){
time_t timep;
timep = timestamp;
struct tm *p;
p=localtime(&timep);
p->tm_hour=p->tm_hour+hour;
return mktime(p);
}
//添加指定分钟数
long add_minute(long timestamp,int minute){
time_t timep;
timep = timestamp;
struct tm *p;
p=localtime(&timep);
p->tm_min=p->tm_min+minute;
return mktime(p);
}
//添加指定秒数
long add_second(long timestamp,int second){
time_t timep;
timep = timestamp;
struct tm *p;
p=localtime(&timep);
p->tm_sec=p->tm_sec+second;
return mktime(p);
}
//添加指定周数
long add_week(long timestamp,int week){
time_t timep;
timep = timestamp;
struct tm *p;
p=localtime(&timep);
p->tm_mday=p->tm_mday+week*7;
return mktime(p);
}
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