C++Log日志类轻量级支持格式化输出变量实现代码

#ifndef __CLOG__
#define __CLOG__
#include 
#include 
#include 
#include 
#include 
class CLog
{
public:
  CLog();
  CLog(const std::string LogFile);
  ~CLog();
  template 
  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  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 <

#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 <