string与wstring互转

C++ Code

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/// <summary>
///utf8转unicode
/// </summary>
bool Utf8ToUnicode( std::string& utf8_string, std::wstring& unicode_string)
{
    unicode_string = L"";
     )
    {
        return false;
    }

const char *temp_utf8_string = utf8_string.c_str();
    );
     == unicode_string_len )
    {
        return false;
    }

];
    memset(temp_unicode_string, ));
     == ::MultiByteToWideChar(CP_ACP, NULL, temp_utf8_string, strlen(temp_utf8_string), temp_unicode_string, unicode_string_len))
    {
        delete[] temp_unicode_string;
        temp_unicode_string = NULL;
        return false;
    }

unicode_string = temp_unicode_string;
delete[] temp_unicode_string;
temp_unicode_string = NULL;

return true;

}

/// <summary>
///unicode转utf-8
/// </summary>
bool UnicodeToUtf8( std::wstring& unicode_string, std::string& utf8_string)
{
    utf8_string = "";
     )
    {
        return false;
    }

DWORD utf8_string_len = WideCharToMultiByte(CP_ACP, , NULL, FALSE);// WideCharToMultiByte的运用
== utf8_string_len)
    {
        return false;
    }
    ];
    memset(temp_utf8_string, ));
    , temp_utf8_string, utf8_string_len, NULL, FALSE))
    {
        delete[] temp_utf8_string;
        temp_utf8_string = NULL;
        return false;
    }

utf8_string = (std::string)temp_utf8_string;
delete[] temp_utf8_string;
temp_utf8_string = NULL;

return true;
}

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string与wstring互转

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