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：
#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
2. IniReader.cpp文件：
#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;
}
3. IniWriter.h文件：
#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
4. IniWriter.cpp文件：
#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);
}
5. main.cpp文件：
#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;
}
希望本文所述对大家的C++程序设计有所帮助。