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// LogFile.h: interface for the CLogFile class.
//
// Remark:摘自网上一篇博客，改造了下
// Author: jiftle
// DateTime: 2012-01-17 15:14 腊月二十五
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_LOGFILE_H__288388CA_9A3E_4F3D_A2B8_F1078E1F6A6B__INCLUDED_)
#define AFX_LOGFILE_H__288388CA_9A3E_4F3D_A2B8_F1078E1F6A6B__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CLogFile  
{
public:
    CLogFile();
    virtual ~CLogFile();
    static CString GetFileName();
    static CString GetFilePath();
    static BOOL WriteLog(CString LogText);
};

#endif // !defined(AFX_LOGFILE_H__288388CA_9A3E_4F3D_A2B8_F1078E1F6A6B__INCLUDED_)

// 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()
{

}

CLogFile::~CLogFile()
{

}
//获取文件名称
CString CLogFile::GetFileName()
{
    CString m_sFileName;

    m_sFileName = CTime::GetCurrentTime().Format("%Y-%m-%d") + _T(".log");
    
    return m_sFileName;
}
//获取应用程序所在路径
CString CLogFile::GetFilePath()
{   
    CString m_FilePath;

    GetModuleFileName(NULL,m_FilePath.GetBufferSetLength(MAX_PATH+1),MAX_PATH);

    m_FilePath.ReleaseBuffer();

    int m_iPosIndex;

    m_iPosIndex = m_FilePath.ReverseFind(_T('\\')); 

    m_FilePath = m_FilePath.Left(m_iPosIndex) + _T("\\Log");

    return m_FilePath;
}

BOOL CLogFile::WriteLog(CString LogText)
{
    try
    {
        CFile m_File;
        CStdioFile m_SFile;
        CFileFind m_FileFind;
        CString strLog;
        CString m_sFileName = GetFileName();
        CString m_sFilePath = GetFilePath();
		CString strTime = CTime::GetCurrentTime().Format(_T("[%Y-%m-%d %H:%m:%S] "));

	//组合写入字符串
	strLog += strTime;
	strLog += LogText;
	
        if(!m_FileFind.FindFile(m_sFilePath))
        {
            CreateDirectory(m_sFilePath,NULL);
        }
        
        if(!m_SFile.Open(m_sFilePath + _T("\\") +m_sFileName,CFile::modeReadWrite))
        {
			m_SFile.Open(m_sFilePath + _T("\\") + m_sFileName,CFile::modeCreate | CFile::modeReadWrite | CFile::typeBinary);
        }
        
        m_SFile.SeekToEnd(); 

		//written by jiftle 处理UNICODE下乱码
#ifdef UNICODE 
		CString strTmp = strLog;
		int len = 0;
		char *buf = NULL;
		len = WideCharToMultiByte(CP_ACP,0,strTmp,strTmp.GetLength(),NULL,0,NULL,NULL)+1;
		buf	= new char[len];
		memset(buf,0,len);
		WideCharToMultiByte(CP_ACP,0,strTmp,strTmp.GetLength(),buf,len-1,NULL,NULL);
#else
		CString strTmp = strLog;
		char *buf = NULL;
		int len=0;
		len = strTmp.GetLength()+1;//多分配一个存放结束符号
		buf = new char[len];
		memset(buf,0,len);
		buf=strTmp.GetBuffer();
#endif

		m_SFile.Write(buf,strlen(buf));
        m_SFile.Close();
    }
    catch(CFileException fileException)
    {
        return false;
    }

    return true;
}