学步园

短小的日志类  和用cout<<"A"<<B<<"/n"一样  支持  cout<<"A"<<B<<endl;

如果需要 可以自己重载<<

 //H<br /> #ifndef _MYLOG_HEADER_<br /> #define _MYLOG_HEADER_</p> <p>#include "VString.h"<br /> #include <fstream></p> <p>#include <iostream><br /> /*<br /> 功能：写日志的类<br /> 作者：wangzhongwei<br /> EMAIL：wzw200@sina.com</p> <p>典型 用法：<br /> MyLog Logout("Server.log");<br /> int a=1;<br /> char b[]="bb";<br /> double d=0.5;</p> <p> Logout<<a<<b<<d<<endl;<br /> 其中打印一行后必须以endl或者 "/n"结尾<br /> 否则出错<br /> */<br /> class MyLog</p> <p>{</p> <p> public:</p> <p> MyLog(char *LogFilepath);</p> <p> ~MyLog(){};<br /> MyLog& operator<<(char * s);<br /> MyLog& operator<<(int s);<br /> MyLog& operator<<(double s);<br /> MyLog& operator<<(VString s);<br /> MyLog& operator<<(basic_ostream<char, char_traits<char> >& (*_Pfn)(basic_ostream<char, char_traits<char> >&))<br /> { // write endl to log using _Pfn 重载endl<br /> Logout.open(Path,ios::app);<br /> if(IsTime)<br /> {<br /> IsTime=false;<br /> Logout<<GetTime()<<":";<br /> }<br /> IsTime=true;<br /> Logout<<"/n";<br /> Logout.close();<br /> return (*this);<br /> }</p> <p> private:<br /> bool IsTime;<br /> ofstream Logout;</p> <p> char Time[50];<br /> char Path[1024];<br /> char* GetTime();</p> <p>};</p> <p>#endif<br /> //.cpp<br /> #include "MyLog.h"</p> <p>#include <stdio.h></p> <p>#include <string.h> </p> <p>#include <iostream></p> <p>using namespace std;</p> <p>#ifdef _WIN32</p> <p> #include<Windows.h> </p> <p> #include <time.h> </p> <p>#endif </p> <p>MyLog::MyLog(char *LogFilepath)<br /> {<br /> memset(Path,'/0',1024);<br /> strcat(Path,LogFilepath);<br /> //cout<<Path<<endl;<br /> IsTime=true;<br /> }</p> <p>char* MyLog::GetTime()</p> <p>{</p> <p> #ifdef _WIN32</p> <p> SYSTEMTIME st;</p> <p> GetLocalTime(&st);</p> <p> sprintf(Time,"%d-%d-%d %d:%d:%d",st.wYear, st.wMonth ,st.wDay,st.wHour ,st.wMinute,st.wSecond); </p> <p> return Time;</p> <p> #else</p> <p> time_t timep;</p> <p> struct tm *p; </p> <p> time(&timep);</p> <p> p=localtime(&timep); //get server's time</p> <p> if(p==NULL)</p> <p> {</p> <p> return NULL;</p> <p> }</p> <p> //create specific datetime format</p> <p> 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); </p> <p> return Time;</p> <p> #endif</p> <p> return 0;</p> <p>}<br /> MyLog& MyLog::operator<<(char * s)<br /> {<br /> Logout.open(Path,ios::app);<br /> if(IsTime)<br /> {<br /> IsTime=false;<br /> Logout<<GetTime()<<":";<br /> }<br /> if(strcmp(s,"/n")==0)<br /> IsTime=true;</p> <p> Logout<<s;<br /> Logout.close();</p> <p> return (*this);<br /> }</p> <p>MyLog& MyLog::operator<<(int s)<br /> {</p> <p> Logout.open(Path,ios::app);<br /> if(IsTime)<br /> {<br /> IsTime=false;<br /> Logout<<GetTime()<<":";<br /> }</p> <p> Logout<<s;<br /> Logout.close();</p> <p> return (*this);<br /> }</p> <p>MyLog& MyLog::operator<<(double s)<br /> {<br /> Logout.open(Path,ios::app);<br /> if(IsTime)<br /> {<br /> IsTime=false;<br /> Logout<<GetTime()<<":";<br /> }</p> <p> Logout<<s;<br /> Logout.close();</p> <p> return (*this);<br /> }</p> <p>MyLog& MyLog::operator<<(VString s)<br /> {<br /> Logout.open(Path,ios::app);<br /> if(IsTime)<br /> {<br /> IsTime=false;<br /> Logout<<GetTime()<<":";<br /> }</p> <p> Logout<<(char *)s;<br /> Logout.close();</p> <p> return (*this);<br /> }<br /> //test</p> <p>#include "MyLog.h"</p> <p>using namespace std;</p> <p>int main()<br /> {<br /> MyLog Logout("1.log");</p> <p> Logout<<"A"<<"B"<<"/n";<br /> Logout<<"CC"<<123456<<"/n";<br /> Logout<<endl;<br /> Logout<<"d"<<"/n";</p> <p> double a=0.5;<br /> int b=5;<br /> char aa[10]="aabb";<br /> VString vs="ddee";<br /> logout<<"double="<<a<<" int="<<b<<" char aa="<<aa<<" VString="<<20<<endl<<"eeffggg"<<endl;<br /> int i=0;</p> <p> return 1;<br /> }<br />