class CTools

{

public:

    CTools(void);

public:

    ~CTools(void);

public:

    static std::string UNICODE_to_UTF8(const CString& unicodeString);

    static CString UTF8_to_UNICODE(const std::string& utf8_string);

    static std::string ws2s(std::wstring& inputws);

    static std::wstring s2ws(const std::string& s);

    static std::string UNICODE_to_ANSI(const CString& unicodeString);

    static CString ANSI_to_UNICODE(const std::string& utf8_string);

    static std::string GetFullPath(void);

};

CTools::CTools(void)

{

}

CTools::~CTools(void)

{

}

std::string CTools::UNICODE_to_UTF8(const CString& unicodeString)

{

    int stringLength = ::WideCharToMultiByte(CP_UTF8, NULL, unicodeString, (int)wcslen(unicodeString), NULL, , NULL, NULL);

    char* buffer = new char[stringLength + ];

    ::WideCharToMultiByte(CP_UTF8, NULL, unicodeString, (int)wcslen(unicodeString), buffer, stringLength, NULL, NULL);

    buffer[stringLength] = '\0';

    std::string str = buffer;

    delete[] buffer;

    return str;

}

CString CTools::UTF8_to_UNICODE(const std::string& utf8_string)

{

    int length = (int)utf8_string.size();

    int wcsLen = ::MultiByteToWideChar(CP_UTF8, NULL, utf8_string.c_str(), length, NULL, );

    wchar_t* wszString = new wchar_t[wcsLen + ];

    ::MultiByteToWideChar(CP_UTF8, NULL, utf8_string.c_str(), length, wszString, wcsLen);

    wszString[wcsLen] = '\0';

    CString unicodeText(wszString);

    delete[] wszString;

    return unicodeText;

}

std::string CTools::UNICODE_to_ANSI(const CString& unicodeString)

{

    int stringLength = ::WideCharToMultiByte(CP_ACP, NULL, unicodeString, (int)wcslen(unicodeString), NULL, , NULL, NULL);

    char* buffer = new char[stringLength + ];

    ::WideCharToMultiByte(CP_ACP, NULL, unicodeString, (int)wcslen(unicodeString), buffer, stringLength, NULL, NULL);

    buffer[stringLength] = '\0';

    std::string str = buffer;

    delete[] buffer;

    return str;

}

CString CTools::ANSI_to_UNICODE(const std::string& utf8_string)

{

    int length = (int)utf8_string.size();

    int wcsLen = ::MultiByteToWideChar(CP_ACP, NULL, utf8_string.c_str(), length, NULL, );

    wchar_t* wszString = new wchar_t[wcsLen + ];

    ::MultiByteToWideChar(CP_ACP, NULL, utf8_string.c_str(), length, wszString, wcsLen);

    wszString[wcsLen] = '\0';

    CString unicodeText(wszString);

    delete[] wszString;

    return unicodeText;

}

std::string CTools::ws2s(std::wstring& inputws)

{

    return UNICODE_to_UTF8(inputws.c_str());

}

std::wstring CTools::s2ws(const std::string& s)

{

    CString cstr = UTF8_to_UNICODE(s);

    return cstr.GetBuffer(cstr.GetLength());

}

std::string CTools::GetFullPath(void)

 {

     HMODULE h = GetModuleHandle(L"Test.exe");

     wchar_t exeFullPath[MAX_PATH]; // MAX_PATH在API中有定义，为128

     int len=GetModuleFileName(h,

         exeFullPath, //应用程序的全路径存放地址

         MAX_PATH);

     std::wstring wstrpath = exeFullPath;

     std::string strpath = CTools::ws2s(wstrpath);

     size_t nPos;

     nPos=strpath.rfind('\\');

     return strpath.substr(,nPos);

 }