logfile.cpp

vc 和mapobjects地理信息系统组件开发 很有启发意义和参考价值

// LogFile.cpp: implementation of the CLogFile class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "LogFile.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CLogFile::CLogFile()
{
	//默认的自动建立
	m_sLogFileName="logfile.log";
}

CLogFile::CLogFile(LPCTSTR sLogFileName)
{
	FILE *flog;
	if((flog=fopen(sLogFileName,"a+"))==NULL)
	{
		if((flog=fopen(sLogFileName,"wt"))==NULL)
		{
			AfxMessageBox("不能建立指定的日志文件!");
			return;
		}
	}
	fclose(flog);
	m_sLogFileName=sLogFileName;
}

CLogFile::~CLogFile()
{
	m_sLogFileName="";
}

BOOL CLogFile::SetPathFile(LPCTSTR sLogFileName)
{
	//先按照添加模式使用
	FILE *flog;
	if((flog=fopen(sLogFileName,"a+"))==NULL)
	{
		if((flog=fopen(sLogFileName,"wt"))==NULL)
		{
			//AfxMessageBox("不能建立指定的日志文件!");
			return FALSE;
		}
	}
	fclose(flog);
	m_sLogFileName=sLogFileName;
	return TRUE;
}

void CLogFile::OutPut(LPCTSTR data)
{
	//先按照添加模式使用
	FILE *flog;
	if((flog=fopen(m_sLogFileName,"a+"))==NULL)
	{
		if((flog=fopen(m_sLogFileName,"wt"))!=NULL)
		{
			fprintf(flog,"%s ",data);
		}
	}
	else
		fprintf(flog,"%s ",data);

	fclose(flog);
}

void CLogFile::OutPut(double data)
{
	//先按照添加模式使用
	FILE *flog;
	if((flog=fopen(m_sLogFileName,"a+"))==NULL)
	{
		if((flog=fopen(m_sLogFileName,"wt"))!=NULL)
		{
			fprintf(flog,"%lf ",data);
		}
	}
	else
		fprintf(flog,"%lf ",data);

	fclose(flog);
}

void CLogFile::OutPut(long data)
{
	//先按照添加模式使用
	FILE *flog;
	if((flog=fopen(m_sLogFileName,"a+"))==NULL)
	{
		if((flog=fopen(m_sLogFileName,"wt"))!=NULL)
		{
			fprintf(flog,"%ld ",data);
		}
	}
	else
		fprintf(flog,"%ld ",data);

	fclose(flog);
}

void CLogFile::OutPut(int data)
{
	//先按照添加模式使用
	FILE *flog;
	if((flog=fopen(m_sLogFileName,"a+"))==NULL)
	{
		if((flog=fopen(m_sLogFileName,"wt"))!=NULL)
		{
			fprintf(flog,"%d ",data);
		}
	}
	else
		fprintf(flog,"%d ",data);

	fclose(flog);
}

void CLogFile::OutPut(float data)
{
	//先按照添加模式使用
	FILE *flog;
	if((flog=fopen(m_sLogFileName,"a+"))==NULL)
	{
		if((flog=fopen(m_sLogFileName,"wt"))!=NULL)
		{
			fprintf(flog,"%f ",data);
		}
	}
	else
		fprintf(flog,"%f ",data);

	fclose(flog);
}

void CLogFile::ClearLogFile()
{
	FILE *flog;
	if((flog=fopen(m_sLogFileName,"wt"))!=NULL)
		fclose(flog);
}

void CLogFile::CopyTo(LPCTSTR sNewFile)
{
	CopyFile(m_sLogFileName,sNewFile,FALSE);
}

void CLogFile::OutPutCurTime()
{
	COleDateTime dt=COleDateTime::GetCurrentTime();
	CString str=dt.Format("%Y.%m.%d %H:%M:%S");
	OutPutLine(str);
}

void CLogFile::OutPutLine(LPCTSTR data)
{
	//先按照添加模式使用
	FILE *flog;
	if((flog=fopen(m_sLogFileName,"a+"))==NULL)
	{
		if((flog=fopen(m_sLogFileName,"wt"))!=NULL)
		{
			fprintf(flog,"%s\n",data);
		}
	}
	else
		fprintf(flog,"%s\n",data);

	fclose(flog);
}

CString CLogFile::GetPathFile()
{
	return m_sLogFileName;
}

void CLogFile::OutPutSplitLine(char cSymbol, int nRepeat)
{
	//输出分隔符号
	CString str(cSymbol,nRepeat);
	OutPutLine(str);
}

void CLogFile::AppendTo(CString sDataBase)
{
	//不能使用FILE，可能会因为空格截断
	CString str;
	CStdioFile	fin,fout;
	if(!fout.Open(sDataBase,CStdioFile::modeNoTruncate|CStdioFile::modeWrite|CStdioFile::modeCreate))
		return;
	fout.SeekToEnd();
	if(!fin.Open(m_sLogFileName,CStdioFile::modeRead))
	{
		fout.Close();
		return;
	}
	while(1)
	{
		if(!fin.ReadString(str))
			break;
		str+="\n";
		fout.WriteString(str);
	}
	fin.Close();
	fout.Close();

	//默认清除
	ClearLogFile();
}