本文实例讲述了C++读写INI配置文件的类。分享给大家供大家参考。具体如下:
1. IniReader.h文件:
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#ifndef INIREADER_H
#define INIREADER_H
#include <windows.h>
class CIniReader
{
public :
CIniReader( LPCTSTR szFileName);
int ReadInteger( LPCTSTR szSection, LPCTSTR szKey, int iDefaultValue);
float ReadFloat( LPCTSTR szSection, LPCTSTR szKey, float fltDefaultValue);
bool ReadBoolean( LPCTSTR szSection, LPCTSTR szKey, bool bolDefaultValue);
LPTSTR ReadString( LPCTSTR szSection, LPCTSTR szKey, LPCTSTR szDefaultValue);
private :
TCHAR m_szFileName[255];
};
#endif //INIREADER_H
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2. IniReader.cpp文件:
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#include "IniReader.h"
#include <iostream>
#include <windows.h>
CIniReader::CIniReader( LPCTSTR szFileName)
{
memset (m_szFileName, 0x00, sizeof (m_szFileName));
memcpy (m_szFileName, szFileName, _tcslen(szFileName)* sizeof ( TCHAR ));
}
int CIniReader::ReadInteger( LPCTSTR szSection, LPCTSTR szKey, int iDefaultValue)
{
int iResult = GetPrivateProfileInt(szSection, szKey, iDefaultValue, m_szFileName);
return iResult;
}
float CIniReader::ReadFloat( LPCTSTR szSection, LPCTSTR szKey, float fltDefaultValue)
{
TCHAR szResult[255];
TCHAR szDefault[255];
float fltResult;
_stprintf_s(szDefault, 255, TEXT( "%f" ),fltDefaultValue);
GetPrivateProfileString(szSection, szKey, szDefault, szResult, 255, m_szFileName);
fltResult = ( float )_tstof(szResult);
return fltResult;
}
bool CIniReader::ReadBoolean( LPCTSTR szSection, LPCTSTR szKey, bool bolDefaultValue)
{
TCHAR szResult[255];
TCHAR szDefault[255];
bool bolResult;
_stprintf_s(szDefault, 255, TEXT( "%s" ), bolDefaultValue? TEXT( "True" ) : TEXT( "False" ));
GetPrivateProfileString(szSection, szKey, szDefault, szResult, 255, m_szFileName);
bolResult = (_tcscmp(szResult, TEXT( "True" )) == 0 ||
_tcscmp(szResult, TEXT( "true" )) == 0) ? true : false ;
return bolResult;
}
LPTSTR CIniReader::ReadString( LPCTSTR szSection, LPCTSTR szKey, LPCTSTR szDefaultValue)
{
LPTSTR szResult = new TCHAR [255];
memset (szResult, 0x00, sizeof (szResult));
GetPrivateProfileString(szSection, szKey, szDefaultValue, szResult, 255, m_szFileName);
return szResult;
}
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3. IniWriter.h文件:
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#ifndef INIWRITER_H
#define INIWRITER_H
#include <windows.h>
class CIniWriter
{
public :
CIniWriter( LPCTSTR szFileName);
void WriteInteger( LPCTSTR szSection, LPCTSTR szKey, int iValue);
void WriteFloat( LPCTSTR szSection, LPCTSTR szKey, float fltValue);
void WriteBoolean( LPCTSTR szSection, LPCTSTR szKey, bool bolValue);
void WriteString( LPCTSTR szSection, LPCTSTR szKey, LPCTSTR szValue);
private :
TCHAR m_szFileName[255];
};
#endif //INIWRITER_H
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4. IniWriter.cpp文件:
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#include "IniWriter.h"
#include <iostream>
#include <windows.h>
CIniWriter::CIniWriter( LPCTSTR szFileName)
{
memset (m_szFileName, 0x00, sizeof (m_szFileName));
memcpy (m_szFileName, szFileName, _tcslen(szFileName)* sizeof ( TCHAR ));
}
void CIniWriter::WriteInteger( LPCTSTR szSection, LPCTSTR szKey, int iValue)
{
TCHAR szValue[255];
_stprintf_s(szValue, 255, TEXT( "%d" ), iValue);
WritePrivateProfileString(szSection, szKey, szValue, m_szFileName);
}
void CIniWriter::WriteFloat( LPCTSTR szSection, LPCTSTR szKey, float fltValue)
{
TCHAR szValue[255];
_stprintf_s(szValue, 255, TEXT( "%f" ), fltValue);
WritePrivateProfileString(szSection, szKey, szValue, m_szFileName);
}
void CIniWriter::WriteBoolean( LPCTSTR szSection, LPCTSTR szKey, bool bolValue)
{
TCHAR szValue[255];
_stprintf_s(szValue, 255, TEXT( "%s" ), bolValue ? TEXT( "True" ) : TEXT( "False" ));
WritePrivateProfileString(szSection, szKey, szValue, m_szFileName);
}
void CIniWriter::WriteString( LPCTSTR szSection, LPCTSTR szKey, LPCTSTR szValue)
{
WritePrivateProfileString(szSection, szKey, szValue, m_szFileName);
}
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5. main.cpp文件:
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#if defined(UNICODE) || defined(_UNICODE)
#define tcout std::wcout
#else
#define tcout std::cout
#endif
#include <iostream>
#include <windows.h>
#include "IniWriter.h"
#include "IniReader.h"
int _tmain( int argc, _TCHAR* argv[])
{
CIniWriter iniWriter(TEXT( ".\\initest.ini" ));
iniWriter.WriteString(TEXT( "Setting" ), TEXT( "Name" ), TEXT( "jianxx" ));
iniWriter.WriteInteger(TEXT( "Setting" ), TEXT( "Age" ), 27);
iniWriter.WriteFloat(TEXT( "Setting" ), TEXT( "Height" ), 1.82f);
iniWriter.WriteBoolean(TEXT( "Setting" ), TEXT( "Marriage" ), false );
CIniReader iniReader(TEXT( ".\\initest.ini" ));
LPTSTR szName = iniReader.ReadString(TEXT( "Setting" ), TEXT( "Name" ), TEXT( "" ));
int iAge = iniReader.ReadInteger(TEXT( "Setting" ), TEXT( "Age" ), 25);
float fltHieght = iniReader.ReadFloat(TEXT( "Setting" ), TEXT( "Height" ), 1.80f);
bool bMarriage = iniReader.ReadBoolean(TEXT( "Setting" ), TEXT( "Marriage" ), true );
tcout<< "Name:" <<szName<<std::endl
<< "Age:" <<iAge<<std::endl
<< "Height:" <<fltHieght<<std::endl
<< "Marriage:" <<bMarriage<<std::endl;
delete szName;
return 1;
}
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希望本文所述对大家的C++程序设计有所帮助。