WIN32开发之ini文件操作

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本文介绍了如何在Windows环境中使用C++通过CString和std::wstring操作写入和读取ini文件，包括GetModuleFileName、FindLastOf函数及WritePrivateProfileString和GetPrivateProfileString的使用实例。

1、写入ini文件

CString strCount = "123456789";//写入参数

TCHAR exeFullPath[MAX_PATH]; // Full path   
				GetModuleFileName(NULL, exeFullPath, MAX_PATH);
				std::wstring strFullPath = (std::wstring)(exeFullPath);
				int nStart = strFullPath.find_last_of(TEXT("\\"));

				CString exe_Path = exeFullPath;
				exe_Path = exe_Path.Mid(0, nStart + 1) +"config.ini";//exe所在路径
				//exe_Path = exe_Path.Mid(nStart + 1, strFullPath.length() - 4);//exe完成名称

				if (WritePrivateProfileString(L"Device", L"Path", strCount, exe_Path))
				{

				}

CString strCount = "123456789";//写入参数

TCHAR exeFullPath[MAX_PATH]; // Full path
               GetModuleFileName(NULL, exeFullPath, MAX_PATH);
               std::wstring strFullPath = (std::wstring)(exeFullPath);
               int nStart = strFullPath.find_last_of(TEXT("\\"));

               CString exe_Path = exeFullPath;
               exe_Path = exe_Path.Mid(0, nStart + 1) +"config.ini";//exe所在路径
               //exe_Path = exe_Path.Mid(nStart + 1, strFullPath.length() - 4);//exe完成名称

if (WritePrivateProfileString(L"Device", L"Path", strCount, exe_Path))
{

}

2、读取ini文件

char chStudentName[MAX_PATH];
	CString strCount = "";//获取内容
	TCHAR exeFullPath[MAX_PATH]; // Full path   
	GetModuleFileName(NULL, exeFullPath, MAX_PATH);
	std::wstring strFullPath = (std::wstring)(exeFullPath);
	int nStart = strFullPath.find_last_of(TEXT("\\"));

	CString exe_Path = exeFullPath;
	exe_Path = exe_Path.Mid(0, nStart + 1) + "config.ini";//exe所在路径
	GetPrivateProfileString(L"Device", L"Path", strCount, strCount.GetBuffer(MAX_PATH), MAX_PATH, exe_Path);//第一个strCount为如果没有值就赋值默认值strCount，
strCount.ReleaseBuffer();//GetBuffer后需要ReleaseBuffer才能使用GetLength获取长度

char chStudentName[MAX_PATH];
   CString strCount = "";//获取内容
   TCHAR exeFullPath[MAX_PATH]; // Full path
   GetModuleFileName(NULL, exeFullPath, MAX_PATH);
   std::wstring strFullPath = (std::wstring)(exeFullPath);
   int nStart = strFullPath.find_last_of(TEXT("\\"));

   CString exe_Path = exeFullPath;
   exe_Path = exe_Path.Mid(0, nStart + 1) + "config.ini";//exe所在路径
   GetPrivateProfileString(L"Device", L"Path", strCount, strCount.GetBuffer(MAX_PATH), MAX_PATH, exe_Path);//第一个strCount为如果没有值就赋值默认值strCount，
strCount.ReleaseBuffer();//GetBuffer后需要ReleaseBuffer才能使用GetLength获取长度