日志写法(带时间)

#include <windows.h>
#include <stdio.h> 


/// <summary>
/// 写日志文件
/// </summary>
/// <param name="msg"></param>
/// <param name="value"></param>
void CwriteLog(std::string msg) {
    
	SYSTEMTIME sys;
	GetLocalTime(&sys);
	char temp[256];
	sprintf(temp, "%4d-%02d-%02d %02d:%02d:%02d-",
		sys.wYear, sys.wMonth,
		sys.wDay, sys.wHour,
		sys.wMinute, sys.wSecond);

	std::ofstream ofs("update_log.txt", std::ios::app);
	ofs << temp <<msg << std::endl;
	ofs.close();

}