短小的日志类 和用cout<<"A"<<B<<"/n"一样

//H
#ifndef _MYLOG_HEADER_
#define _MYLOG_HEADER_

#include "VString.h"
#include <fstream>

#include <iostream>
/*
功能：写日志的类
作者：wangzhongwei
EMAIL：wzw200@sina.com

典型 用法：
MyLog Logout("Server.log");
int a=1;
char b[]="bb";
double d=0.5;

Logout<<a<<b<<d<<endl;
其中打印一行后必须以endl或者 "/n"结尾
否则出错
*/
class MyLog

{

public:

MyLog(char *LogFilepath);

~MyLog(){};
MyLog& operator<<(char * s);
MyLog& operator<<(int  s);
MyLog& operator<<(double s);
MyLog& operator<<(VString s);
MyLog& operator<<(basic_ostream<char, char_traits<char> >& (*_Pfn)(basic_ostream<char, char_traits<char> >&))
{    // write endl to log using _Pfn  重载endl
Logout.open(Path,ios::app);
if(IsTime)
{
IsTime=false;
Logout<<GetTime()<<":";
}
IsTime=true;
Logout<<"/n";
Logout.close();
return (*this);
}

private:
bool IsTime;
ofstream Logout;

char Time[50];
char Path[1024];
char* GetTime();

};

#endif
//.cpp
#include "MyLog.h"

#include <stdio.h>

#include <string.h>

#include <iostream>

using namespace std;

#ifdef _WIN32

#include<Windows.h>

#include <time.h>

#endif

MyLog::MyLog(char *LogFilepath)
{
memset(Path,'/0',1024);
strcat(Path,LogFilepath);
//cout<<Path<<endl;
IsTime=true;
}

char* MyLog::GetTime()

{

#ifdef _WIN32

SYSTEMTIME st;

GetLocalTime(&st);

sprintf(Time,"%d-%d-%d %d:%d:%d",st.wYear, st.wMonth ,st.wDay,st.wHour ,st.wMinute,st.wSecond);

return Time;

#else

time_t timep;

struct tm *p;

time(&timep);

p=localtime(&timep);   //get server's time

if(p==NULL)

{

return NULL;

}

//create specific datetime format

sprintf(Time,"%d-%d-%d %d:%d:%d",p->tm_year+1900, p->tm_mon+1 ,p->tm_mday ,p->tm_hour ,p->tm_min,p->tm_sec);

return Time;

#endif

return 0;

}
MyLog& MyLog::operator<<(char * s)
{
Logout.open(Path,ios::app);
if(IsTime)
{
IsTime=false;
Logout<<GetTime()<<":";
}
if(strcmp(s,"/n")==0)
IsTime=true;

Logout<<s;
Logout.close();

return (*this);
}

MyLog& MyLog::operator<<(int  s)
{

Logout.open(Path,ios::app);
if(IsTime)
{
IsTime=false;
Logout<<GetTime()<<":";
}

Logout<<s;
Logout.close();

return (*this);
}

MyLog& MyLog::operator<<(double s)
{
Logout.open(Path,ios::app);
if(IsTime)
{
IsTime=false;
Logout<<GetTime()<<":";
}

Logout<<s;
Logout.close();

return (*this);
}

MyLog& MyLog::operator<<(VString s)
{
Logout.open(Path,ios::app);
if(IsTime)
{
IsTime=false;
Logout<<GetTime()<<":";
}

Logout<<(char *)s;
Logout.close();

return (*this);
}
//test

#include "MyLog.h"

using namespace std;

int main()
{
MyLog Logout("1.log");

Logout<<"A"<<"B"<<"/n";
Logout<<"CC"<<123456<<"/n";
Logout<<endl;
Logout<<"d"<<"/n";

double a=0.5;
int b=5;
char aa[10]="aabb";
VString vs="ddee";
logout<<"double="<<a<<" int="<<b<<" char aa="<<aa<<" VString="<<20<<endl<<"eeffggg"<<endl;
int i=0;

return 1;
}