C++获取时间 场景写日志

#include "stdafx.h"#include <Windows.h>#include<string>#include<fstream>#include<time.h>using namespace std;int _tmain(int argc, _TCHAR* argv[]){//获取当前日期time_t t = time(0);char tmp[64];strftime(tmp,sizeof(tmp),"%Y%m%d",localtime(&t));ofstream fout;char fileName[100];sprintf(fileName,"D:\\%s_%s.Log","1",tmp); fout.open(fileName,ios::app);if(fout.is_open()){SYSTEMTIME sys_time;GetLocalTime(&sys_time);char msg[100];sprintf(msg,"%4d/%02d/%02d %02d:%02d:%02d.%03d %s%s",sys_time.wYear,sys_time.wMonth,sys_time.wDay,sys_time.wHour,sys_time.wMinute,sys_time.wSecond,sys_time.wMilliseconds,"发起","创建"); fout<<msg<<endl;fout.close();}return 0;}