linux下c++实现string与time_t互相转换
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2022-03-07 20:05:43
#include #include #include using namespace std;time_t string2time_t(const string string_time);string time_t2string(const time_t time_t_time);int main(){ string strTime = "2014/03/28 18:25:26"; ti....
#include <time.h>
#include <string>
#include <iostream>
using namespace std;
time_t string2time_t(const string string_time);
string time_t2string(const time_t time_t_time);
int main()
{
string strTime = "2014/03/28 18:25:26";
time_t time1 = string2time_t(strTime);
cout<<time1<<endl;
time_t time2 = time(NULL);
string strNowTime = time_t2string(time2);
cout<<strNowTime<<endl;
getchar();
return 1;
}
//string 转换为time_t 时间格式为2014/03/28 18:25:26
time_t string2time_t(const string string_time)
{
tm tm1;
memset(&tm1, 0, sizeof(tm1));
time_t time1;
sscanf_s(string_time.c_str(), "%d/%d/%d/ %d:%d:%d",
&(tm1.tm_year),
&(tm1.tm_mon),
&(tm1.tm_mday),
&(tm1.tm_hour),
&(tm1.tm_min),
&(tm1.tm_sec));
tm1.tm_year -= 1900;
tm1.tm_mon -= 1;
time1 = mktime(&tm1);
return time1;
}
//time_t转换为string 时间格式为2014/03/28 18:25:26
string time_t2string(const time_t time_t_time)
{
char szTime[100] = {'\0'};
tm *pTm = new tm;
localtime_s(pTm, &time_t_time);
//pTm = localtime(&time_t_time);
pTm->tm_year += 1900;
pTm->tm_mon +=1;
sprintf_s(szTime, "%04d/%02d/%02d %02d:%02d:%02d",
pTm->tm_year,
pTm->tm_mon,
pTm->tm_mday,
pTm->tm_hour,
pTm->tm_min,
pTm->tm_sec);
string strTime = szTime;
delete pTm;
pTm = NULL;
return strTime;
}
string get_time()
{
string timeStr;
//time_t t = time(0);
time_t t = time(NULL);
char tmp[64];
strftime( tmp, sizeof(tmp), "%Y-%m-%d %X ",localtime(&t) );// 2017-05-16 17:00:00
timeStr = tmp;
return timeStr;
}
time_t convert_string_to_time_t(const std::string & time_string)
{
struct tm tm1;
time_t time1;
sscanf(time_string.c_str(), "%d-%d-%d %d:%d:%d" ,
&(tm1.tm_year),
&(tm1.tm_mon),
&(tm1.tm_mday),
&(tm1.tm_hour),
&(tm1.tm_min),
&(tm1.tm_sec));
tm1.tm_year -= 1900;
tm1.tm_mon --;
tm1.tm_isdst=-1;
time1 = mktime(&tm1);
return time1;
}
本文地址:https://blog.csdn.net/taiyang1987912/article/details/107257489