CLog 头 代码很简单 如果需要的直接Ctrl+C ----Ctrl+V 即可
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#ifndef __CLOG__ #define __CLOG__ #include <windows.h> #include <string> #include <fstream> #include <tchar.h> #include <ctime> class CLog { public : CLog(); CLog( const std::string LogFile); ~CLog(); template < class T> static void WriteLog(T x); //支持格式化输出多参数输出 static void WriteLogFormat( const char * format, ...); private : static std::string GetFilePath(); std::string m_LogFilePath; static std::string GetSystemTimes(); static bool IsPathExist( const std::string FilePath); }; //支持输出int double 文本 template < class T> void CLog::WriteLog(T x) { std::fstream of(GetFilePath(), std::ios::app); if (!of.is_open()) return ; of.seekp(std::ios::end); //设置文件指针到文件尾部 of << GetSystemTimes() <<_T( "line: " )<<__LINE__<<_T( " value: " )<< x << std::endl; of.close(); //关闭文件; } #endif |
CLog.cpp
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#include "Log.h" CLog::CLog() :m_LogFilePath( "" ) { m_LogFilePath = GetFilePath(); if (IsPathExist(m_LogFilePath)) DeleteFile(m_LogFilePath.c_str()); } CLog::CLog( const std::string LogFile) :m_LogFilePath(LogFile) { if (IsPathExist(m_LogFilePath)) DeleteFile(m_LogFilePath.c_str()); } CLog::~CLog() { } void CLog::WriteLogFormat( const char * format, ...) { va_list arglist; std::string strArgData; char szBuffer[0x1024]; ZeroMemory(szBuffer, 0x1024); va_start (arglist, format); vsprintf_s(szBuffer, format, arglist); va_end (arglist); strArgData = szBuffer; std::fstream of(GetFilePath(), std::ios::app); if (!of.is_open()) return ; of << GetSystemTimes() << " Line: " << __LINE__ << " Value: " << strArgData << std::endl; of.close(); } std::string CLog::GetFilePath() { std::string FlieTmp; TCHAR szPath[MAX_PATH]; ::ZeroMemory(szPath, MAX_PATH); if (!::GetCurrentDirectory(MAX_PATH, szPath)) return FlieTmp; FlieTmp = szPath; FlieTmp += _T( "\\log.txt" ); return FlieTmp; } std::string CLog::GetSystemTimes() { time_t Time; CHAR strTime[MAX_PATH]; ZeroMemory(strTime, MAX_PATH); time (&Time); tm t; localtime_s(&t, &Time); strftime (strTime, 100, _T( "%Y-%m-%d %H:%M:%S " ), &t); std::string strTimes = strTime; return strTimes; } bool CLog::IsPathExist( const std::string FilePath) { DWORD dwAttribute = ::GetFileAttributes(FilePath.c_str()); return dwAttribute != INVALID_FILE_ATTRIBUTES; } |
好了这篇文章就介绍到这了,需要的朋友可以的参考一下。