编程语言：VC++ 操作 ini 文件

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VC++ 操作 ini 文件

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第一次写文章,不知道怎么上传附件, 只能把代码贴上去了.

前几天要用到读写ini文件, 自己做了一个 ini 的类, 希望能供大家参考,

各个函数的作用我就不解释了,从名字上就可以看出来.

也希望大家用的时候如果发现错误请指正, 可以发mail 给我, [email protected]

// IniFile.h: interface for the CIniFile class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_INIFILE_H__3EF6D649_6870_480B_BA94_D135F75D8C2A__INCLUDED_)
#define AFX_INIFILE_H__3EF6D649_6870_480B_BA94_D135F75D8C2A__INCLUDED_

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

class CIniFile
{
public:
CString GetClassVersion();
DWORD IniFile_GetKeyNames(CString strSectionName, CStringArray &strArray);

UINT GetMaxSize_A_Section();
UINT GetMaxSize_All_SectionNames();

DWORD IniFile_GetKeyNamesValues(CString strSectionName,CStringArray &strArray);
BOOL IniFile_GetStruct(LPCTSTR lpSectionName,LPCTSTR lpKeyName,LPVOID lpStruct,UINT uSizeStruct);
DWORD IniFile_GetSectionNames(CStringArray &strArray );

BOOL IniFile_DeleteStruct(LPCTSTR lpSectionName, LPCTSTR lpKeyName);
BOOL IniFile_DeleteSection(CString strSectionName);
BOOL IniFile_DeleteString(CString strSectionName,CString strKeyName);

BOOL IniFile_ModifyString(LPCTSTR lpSectionName,LPCTSTR lpKeyName,LPCTSTR lpString);
BOOL IniFile_ModifyInt(LPCTSTR lpSectionName, LPCTSTR lpKeyName, int nValue);

BOOL IniFile_WriteStruct(LPCTSTR lpSectionName,LPCTSTR lpKeyName,LPVOID lpStruct,UINT uSizeStruct);
BOOL IniFile_WriteSection(LPCTSTR lpSectionName, LPCTSTR lpString);
BOOL IniFile_WriteLongString(LPCTSTR lpValue,LPCTSTR lpSectionName,LPCTSTR lpKeyName, ...);

BOOL IniFile_WriteString(LPCTSTR lpSectionName,LPCTSTR lpKeyName,LPCTSTR lpString);
BOOL IniFile_WriteInt(LPCTSTR lpSectionName, LPCTSTR lpKeyName, int nValue);

DWORD IniFile_GetString(CString strSectionName,CString strKeyName,CString strDefault,CString &strReturnedString);
DWORD IniFile_GetString(LPCTSTR lpSectionName,LPCTSTR lpKeyName,LPCTSTR lpDefault,LPTSTR lpReturnedString,DWORD nSize);
UINT IniFile_GetInt(LPCTSTR lpSectionName,LPCTSTR lpKeyName,INT nDefault);

BOOL EnsureIniFileExist();

CString GetFilePathName();
void SetDefaultFilePathName();
BOOL SetFileName(LPCTSTR lpFileName);

void SetMaxSize_All_SectionNames(UINT nSize);
void SetMaxSize_A_Section(UINT nSize );

CIniFile();
virtual ~CIniFile();

protected:
BOOL IsIniFileExist();
void IniFile_InitializeForCreate();

DWORD IniFile_GetSectionNames(LPTSTR lpszReturnBuffer, DWORD nSize);
DWORD IniFile_GetSection(LPCTSTR lpSectionName,LPTSTR lpReturnedString, DWORD nSize);

private:
CString m_strFileFullName;
UINT nMaxSize_All_SectionNames;
UINT nMaxSize_A_Section;
};

#endif // !defined(AFX_INIFILE_H__3EF6D649_6870_480B_BA94_D135F75D8C2A__INCLUDED_)

// cpp 文件

// IniFile.cpp: implementation of the CIniFile class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"

#include "IniFile.h"

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

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

CIniFile::CIniFile()
{
nMaxSize_All_SectionNames = 1024;
nMaxSize_A_Section = 1024;
SetDefaultFilePathName();
}

CIniFile::~CIniFile()
{

}

BOOL CIniFile::IsIniFileExist()
{
CFile MyFile;
if (!MyFile.Open(m_strFileFullName,CFile::modeRead))
return 0;
MyFile.Close();
return 1;
}

BOOL CIniFile::EnsureIniFileExist()
{
if (IsIniFileExist())
return 1;

CFile MyFile;

if (!MyFile.Open(m_strFileFullName,CFile::modeCreate))
return FALSE;

MyFile.Close();

IniFile_InitializeForCreate();

return TRUE;
}

void CIniFile::SetDefaultFilePathName()
{
TCHAR exeFullPath[MAX_PATH];
int len2 = GetModuleFileName(NULL,exeFullPath,MAX_PATH);

CString strDir(exeFullPath);
strDir.TrimLeft();
strDir.TrimRight();

CString strTemp = strDir.Left(strDir.GetLength() - 3);
strDir = strTemp;
strDir += _T("ini");
m_strFileFullName = strDir;
return;
}

BOOL CIniFile::IniFile_WriteString(LPCTSTR lpSectionName,
          LPCTSTR lpKeyName,
          LPCTSTR lpString)
{
return WritePrivateProfileString(lpSectionName,
    lpKeyName,
    lpString,
    m_strFileFullName);
}

BOOL CIniFile::IniFile_WriteInt(LPCTSTR lpSectionName,
       LPCTSTR lpKeyName,
       int nValue)
{
CString strTemp;
strTemp.Format(_T("%d"),nValue);
return WritePrivateProfileString(lpSectionName,
    lpKeyName,
    strTemp,
    m_strFileFullName);
}

UINT CIniFile::IniFile_GetInt(LPCTSTR lpSectionName,
        LPCTSTR lpKeyName,
        INT nDefault)
{
return GetPrivateProfileInt(lpSectionName,
    lpKeyName,
    nDefault,
    m_strFileFullName);
}

DWORD CIniFile::IniFile_GetString(LPCTSTR lpSectionName,
         LPCTSTR lpKeyName,
         LPCTSTR lpDefault,
         LPTSTR lpReturnedString,
         DWORD nSize)
{
return GetPrivateProfileString(lpSectionName,
    lpKeyName,
    lpDefault,
    lpReturnedString,
    nSize,
    m_strFileFullName);
}

DWORD CIniFile::IniFile_GetString(CString strSectionName,
         CString strKeyName,
         CString strDefault,
         CString &strReturnedString)
{

char buf[256];
DWORD len = GetPrivateProfileString(strSectionName,
    strKeyName,
    strDefault,
    buf,
    256,
    m_strFileFullName);
buf[len] = 0;

strReturnedString.Format("%s",buf);
return len;
}

CString CIniFile::GetFilePathName()
{
return m_strFileFullName;
}

BOOL CIniFile::IniFile_ModifyInt(LPCTSTR lpSectionName,
LPCTSTR lpKeyName,
int nValue)
{
return IniFile_WriteInt(lpSectionName,lpKeyName,nValue);
}

BOOL CIniFile::IniFile_ModifyString(LPCTSTR lpSectionName,
LPCTSTR lpKeyName,
LPCTSTR lpString)
{
return IniFile_WriteString(lpSectionName, lpKeyName, lpString);
}

BOOL CIniFile::IniFile_WriteLongString(LPCTSTR lpValue,
           LPCTSTR lpSectionName,
           LPCTSTR lpKeyName,
           ...)
{
// 此函数不允许键名和键值为空的

va_list pArgList;
LPCTSTR p;

if (lpValue == NULL ||
  lpSectionName == NULL ||
  lpKeyName == NULL)
  return FALSE;

CString strSectionName(lpSectionName);
CString strKeyName(lpKeyName);

BOOL result = FALSE;

va_start(pArgList,lpKeyName); /* Initialize variable arguments. */

do {
  p = va_arg(pArgList,LPCTSTR);
  CString strTempValue1(p);

  if (strTempValue1 == "ListEnd" ||
   strTempValue1 == _T(""))
   break;

if (!IniFile_WriteString(strSectionName,strKeyName,strTempValue1))
return FALSE;

p = va_arg(pArgList,LPCTSTR);
CString strTempValue2(p);

  if (strTempValue2 == "ListEnd" ||
   strTempValue2 == _T(""))
   return FALSE;

strSectionName = strTempValue1;
strKeyName = strTempValue2;
} while(1);

va_end( pArgList ); /* Reset variable arguments. */

if (!IniFile_WriteString(strSectionName,strKeyName,lpValue))
return FALSE;

return TRUE;

}

BOOL CIniFile::IniFile_DeleteString(CString strSectionName, CString strKeyName)
{
return WritePrivateProfileString(strSectionName,strKeyName,NULL,m_strFileFullName);
}

BOOL CIniFile::IniFile_DeleteSection(CString strSectionName)
{
return WritePrivateProfileString(strSectionName,NULL,NULL,m_strFileFullName);

// return WritePrivateProfileSection(strSectionName,NULL,m_strFileFullName);
//这种方法会使 section 的标题一并删除

// return WritePrivateProfileSection(strSectionName,"",m_strFileFullName);
//这种方法会保留 section 的标题
}

BOOL CIniFile::IniFile_WriteSection(LPCTSTR lpSectionName, LPCTSTR lpString)
{
return WritePrivateProfileSection(lpSectionName,lpString,m_strFileFullName);
}

BOOL CIniFile::IniFile_WriteStruct(LPCTSTR lpSectionName,
           LPCTSTR lpszKey,
           LPVOID lpStruct,
           UINT uSizeStruct)
{
return WritePrivateProfileStruct(lpSectionName,
  lpszKey,
  lpStruct,
  uSizeStruct,
  m_strFileFullName);
}

BOOL CIniFile::IniFile_DeleteStruct(LPCTSTR lpSectionName,
LPCTSTR lpszKey)
{
return WritePrivateProfileStruct(lpSectionName,lpszKey,NULL,1,m_strFileFullName);
}

BOOL CIniFile::SetFileName(LPCTSTR lpFileName)
{
if (!lpFileName)
return FALSE;

CString strFileName(lpFileName);
CString strPathName;

strFileName.TrimLeft();
strFileName.TrimRight();

if (strFileName.Find('\\') == -1)
{
TCHAR exeFullPath[MAX_PATH];

int len2 = GetModuleFileName(NULL,exeFullPath,MAX_PATH);
CString strDir(exeFullPath);

  strDir.TrimLeft();
  strDir.TrimRight();
  int index = strDir.ReverseFind('\\');
  strPathName = strDir.Left(index + 1) + strFileName;
}
else
  strPathName = strFileName;

CString str;

if (strPathName.GetLength() > 4)
{
str = strPathName.Right(4);
str.MakeLower();

  if (str == _T(".ini"))
  {
   m_strFileFullName = strPathName;
   return TRUE;
  }
}

strPathName += _T(".ini");
m_strFileFullName = strPathName;

return TRUE;
}

void CIniFile::IniFile_InitializeForCreate()
{
IniFile_WriteString("administrator","sa","sa\r\n");

IniFile_WriteString("user","abc","abc");
IniFile_WriteString("user","ab","ab\r\n");
}

DWORD CIniFile::IniFile_GetSectionNames(LPTSTR lpszReturnBuffer, DWORD nSize)
{
return GetPrivateProfileSectionNames(lpszReturnBuffer,nSize,m_strFileFullName);
}

DWORD CIniFile::IniFile_GetSectionNames(CStringArray &strArray)
{
char *sz = new char[nMaxSize_All_SectionNames];
DWORD dw = IniFile_GetSectionNames(sz,nMaxSize_All_SectionNames);

strArray.RemoveAll();

char * index = sz;
do {
  CString str(index);
  if (str.GetLength() < 1)
  {
   delete []sz;
   return dw;
  }
  strArray.Add(str);

index = index + str.GetLength() + 1;
} while(index && (index < sz + nMaxSize_All_SectionNames));
delete []sz;

return dw;
}

BOOL CIniFile::IniFile_GetStruct(LPCTSTR lpSectionName,
         LPCTSTR lpszKey,
         LPVOID lpStruct,
         UINT uSizeStruct)
{
return GetPrivateProfileStruct(lpSectionName,
        lpszKey,
        lpStruct,
        uSizeStruct,
        m_strFileFullName);

}

DWORD CIniFile::IniFile_GetSection(LPCTSTR lpSectionName,
           LPTSTR lpReturnedString,
           DWORD nSize)
{
return GetPrivateProfileSection(lpSectionName,
        lpReturnedString,
        nSize,
        m_strFileFullName);

}

DWORD CIniFile::IniFile_GetKeyNamesValues(CString strSectionName, CStringArray &strArray)
{

char *sz = new char[nMaxSize_A_Section];
DWORD dw = IniFile_GetSection(strSectionName,sz,nMaxSize_A_Section);

char * index = sz;

CString strName,strValue;
int nPosition = -1;

while (index && (index < sz + dw))
{
CString str(index);

  if (str.GetLength() < 1)
  {
   delete []sz;
   return dw;
  }

  if ((nPosition = str.Find(_T('='))) == -1)
  {
   IniFile_DeleteString(strSectionName,str);
//   continue;
  }
  else
  {
   strName = str.Left(nPosition);
   strValue = str.Mid(nPosition + 1);
/*
   if (strValue.GetLength() < 1)
   {
    IniFile_DeleteString(strSectionName,strName);
//    continue;
   }
*/

   strArray.Add(strName);
   strArray.Add(strValue);
  }

index = index + str.GetLength() + 1;
}

delete []sz;
return dw;
}

void CIniFile::SetMaxSize_A_Section(UINT nSize)
{
nMaxSize_A_Section = nSize;
}

void CIniFile::SetMaxSize_All_SectionNames(UINT nSize)
{
nMaxSize_All_SectionNames = nSize;
}

UINT CIniFile::GetMaxSize_All_SectionNames()
{
return nMaxSize_All_SectionNames;
}

UINT CIniFile::GetMaxSize_A_Section()
{
return nMaxSize_A_Section;
}

DWORD CIniFile::IniFile_GetKeyNames(CString strSectionName, CStringArray &strArray)
{

char *sz = new char[nMaxSize_A_Section];
DWORD dw = IniFile_GetSection(strSectionName,sz,nMaxSize_A_Section);

char * index = sz;

CString strName,strValue;
int nPosition = -1;

while (index && (index < sz + dw))
{
CString str(index);

strArray.Add(strName);

index = index + str.GetLength() + 1;
}

delete []sz;
return dw;
}

CString CIniFile::GetClassVersion()
{
return L"1.0.0.1";
}

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