C++ Log日志类轻量级支持格式化输出变量实现代码

2023-08-24 23:00:04 57

#ifndef__CLOG__ #define__CLOG__ #include #include #include #include #include classCLog { public: CLog(); CLog(conststd::stringLogFile); ~CLog(); template staticvoidWriteLog(Tx); //支持格式化输出多参数输出 staticvoidWriteLogFormat(constchar*format,...); private: staticstd::stringGetFilePath(); std::stringm_LogFilePath; staticstd::stringGetSystemTimes(); staticboolIsPathExist(conststd::stringFilePath); }; //支持输出intdouble文本 templatevoidCLog::WriteLog(Tx) { std::fstreamof(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<

CLog.cpp

#include"Log.h"
CLog::CLog()
:m_LogFilePath("")
{
m_LogFilePath=GetFilePath();
if(IsPathExist(m_LogFilePath))
DeleteFile(m_LogFilePath.c_str());

}

CLog::CLog(conststd::stringLogFile)
:m_LogFilePath(LogFile)
{
if(IsPathExist(m_LogFilePath))
DeleteFile(m_LogFilePath.c_str());
}

CLog::~CLog()
{
}

voidCLog::WriteLogFormat(constchar*format,...)
{
va_listarglist;
std::stringstrArgData;
charszBuffer[0x1024];
ZeroMemory(szBuffer,0x1024);
va_start(arglist,format);
vsprintf_s(szBuffer,format,arglist);
va_end(arglist);
strArgData=szBuffer;
std::fstreamof(GetFilePath(),std::ios::app);
if(!of.is_open())return;
of<
好了这篇文章就介绍到这了，需要的朋友可以的参考一下。

C++ Log日志类轻量级支持格式化输出变量实现代码

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