写日志函数代码,C代码库,德仔网

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【C】写日志函数
作者:Dezai.CN / 发布于2012/2/13/ 862
<div>
<span style="font-size: 13px;">void WriteLog(CString strLog) </span>
<span style="font-size: 13px;">{ </span>
<span style="font-size: 13px;"> CString strLogPath = "";  </span>
<span style="font-size: 13px;">char *pszPath; </span>
<span style="font-size: 13px;"> DWORD nlen = 256; </span>
<span style="font-size: 13px;"> pszPath = new char[nlen]; </span>
<span style="font-size: 13px;"> memset(pszPath,0,sizeof(char)*nlen);</span>
<span style="font-size: 13px;">GetModuleFileName(NULL,pszPath,nlen);  </span>
<span style="font-size: 13px;">strLogPath = pszPath;  </span>
<span style="font-size: 13px;">strLogPath = strLogPath.Left(strLogPath.ReverseFind</span><span style="font-size: 13px;">('//')+1);  </span>
<span style="font-size: 13px;">strLogPath = strLogPath + "ErrorInfo.log";  </span>
<span style="font-size: 13px;">if(pszPath) </span>
<span style="font-size: 13px;"> {   </span>
<span style="font-size: 13px;">delete []pszPath;  </span>
<span style="font-size: 13px;"> pszPath = NULL;  </span>
<span style="font-size: 13px;">}  </span>
<span style="font-size: 13px;">CFile cf;  </span>
<span style="font-size: 13px;">OFSTRUCT of;  </span>
<span style="font-size: 13px;">HFILE hf = OpenFile(strLogPath,&of,OF_EXIST);  </span>
<span style="font-size: 13px;">if(hf==-1)  </span>
<span style="font-size: 13px;">{  </span>
<span style="font-size: 13px;"> cf.Open</span><span style="font-size: 13px;">(strLogPath,CFile::modeCreate|CFile::modeWrite);  </span>
<span style="font-size: 13px;">} </span>
<span style="font-size: 13px;">else </span>
<span style="font-size: 13px;"> {   </span>
<span style="font-size: 13px;">cf.Open(strLogPath,CFile::modeWrite); </span>
<span style="font-size: 13px;">  cf.SeekToEnd();  </span>
<span style="font-size: 13px;">} </span>
<span style="font-size: 13px;"> int iTempValue = GetLastError(); </span>
<span style="font-size: 13px;"> CString strWrite = ""; </span>
<span style="font-size: 13px;"> strWrite = strLog + "/r/n"; </span>
<span style="font-size: 13px;"> CCriticalSection sl; </span>
<span style="font-size: 13px;"> sl.Lock();  </span>
<span style="font-size: 13px;">cf.Write(strWrite.GetBuffer(strWrite.GetLength</span><span style="font-size: 13px;">()),strWrite.GetLength()); </span>
<span style="font-size: 13px;"> sl.Unlock(); </span>
<span style="font-size: 13px;"> cf.Close(); </span>
<span style="font-size: 13px;">}</span>

<span style="font-size: 13px;">void WriteLog2(CString strLog) </span>
<span style="font-size: 13px;">//带记录时间 </span>
<span style="font-size: 13px;">{  </span>
<span style="font-size: 13px;">CString strLogPath = ""; </span>
<span style="font-size: 13px;"> char *pszPath;  </span>
<span style="font-size: 13px;">DWORD nlen = 256; </span>
<span style="font-size: 13px;"> pszPath = new char[nlen];  </span>
<span style="font-size: 13px;">memset(pszPath,0,sizeof(char)*nlen);  </span>
<span style="font-size: 13px;">GetModuleFileName(NULL,pszPath,nlen);  </span>
<span style="font-size: 13px;">strLogPath = pszPath; </span>
<span style="font-size: 13px;"> strLogPath = strLogPath.Left(strLogPath.ReverseFind</span><span style="font-size: 13px;">('//')+1);  </span>
<span style="font-size: 13px;">strLogPath = strLogPath + "ErrorInfo.log";  </span>
<span style="font-size: 13px;">if(pszPath)  </span>
<span style="font-size: 13px;">{   </span>
<span style="font-size: 13px;">delete []pszPath;  </span>
<span style="font-size: 13px;"> pszPath = NULL;  </span>
<span style="font-size: 13px;">}  </span>
<span style="font-size: 13px;">CFile cf;  </span>
<span style="font-size: 13px;">OFSTRUCT of;  </span>
<span style="font-size: 13px;">HFILE hf = OpenFile(strLogPath,&of,OF_EXIST);  </span>
<span style="font-size: 13px;">if(hf==-1)  </span>
<span style="font-size: 13px;">{   </span>
<span style="font-size: 13px;">cf.Open</span><span style="font-size: 13px;">(strLogPath,CFile::modeCreate|CFile::modeWrite); </span>
<span style="font-size: 13px;"> }  </span>
<span style="font-size: 13px;">else  </span>
<span style="font-size: 13px;">{   </span>
<span style="font-size: 13px;">cf.Open(strLogPath,CFile::modeWrite);   </span>
<span style="font-size: 13px;">cf.SeekToEnd();  </span>
<span style="font-size: 13px;">}  </span>
<span style="font-size: 13px;">time_t ltime; </span>
<span style="font-size: 13px;">struct tm *gmt;  time( &ltime );     </span>
<span style="font-size: 13px;">gmt = gmtime( &ltime );  </span>
<span style="font-size: 13px;">CString strTemp = "";     </span>
<span style="font-size: 13px;">strTemp.Format(" %s", asctime( gmt ) ); </span>
<span style="font-size: 13px;"> CString strWrite = "";  </span>
<span style="font-size: 13px;">strWrite = strLog + strTemp + "/r/n";  </span>
<span style="font-size: 13px;">CCriticalSection sl;  </span>
<span style="font-size: 13px;">sl.Lock();  </span>
<span style="font-size: 13px;">cf.Write(strWrite.GetBuffer(strWrite.GetLength</span><span style="font-size: 13px;">()),strWrite.GetLength());  </span>
<span style="font-size: 13px;">sl.Unlock();  </span>
<span style="font-size: 13px;">cf.Close(); </span>
<span style="font-size: 13px;">}</span>
</div>
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