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链接:http://blog.sina.com.cn/s/blog_48526a5f0100iqyn.html
#include <time.h> #ifdef WIN32 # include <windows.h> #else # include <sys/time.h> #endif
#ifdef WIN32 int gettimeofday(struct timeval *tp, void *tzp) { time_t clock; struct tm tm; SYSTEMTIME wtm;
GetLocalTime(&wtm); tm.tm_year = wtm.wYear - 1900; tm.tm_mon = wtm.wMonth - 1; tm.tm_mday = wtm.wDay; tm.tm_hour = wtm.wHour; tm.tm_min = wtm.wMinute; tm.tm_sec = wtm.wSecond; tm. tm_isdst = -1; clock = mktime(&tm); tp->tv_sec = clock; tp->tv_usec = wtm.wMilliseconds * 1000;
return (0); } #endif
#include <stdio.h> #include <stdlib.h> #include <time.h> #include "gettimewin.h"
#ifdef WIN32 # include <windows.h> #else # include <sys/time.h> #endif
int gettimeofday(struct timeval *tp, void *tzp);
#if defined(_MSC_VER) && !defined(snprintf) #define snprintf _snprintf #endif
int main(int argc, char *argv[]) { struct timeval tv; char buf[] = "1970-01-01 00:00:00.000";
struct tm *newtime; char log_name[128]; char log_time[128]; time_t lt; time(<); newtime = localtime(<); strftime( log_name, 128, "%Y%m%d", newtime); strftime( log_time,128,"%Y-%m-%d %H:%M:%S",newtime); printf("%s\n", log_name); printf("%s\n", log_time);
(void)gettimeofday(&tv, 0); newtime = localtime(&(time_t(tv.tv_sec))); (void)strftime(buf, sizeof(buf) - 1, "%Y-%m-%d %H:%M:%S.000", (localtime(&tv.tv_sec))); (void)snprintf(buf + 20, 3, "%03d", (int)(tv.tv_usec / 1000)); (void)printf("%s\n", buf);
return (0); }
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