为 CMy WinInetclass类添加三个用于连接的成员函数,它 们分别是ConnectS、Connecthttp和ConnectGopher CString CMy WinInetClass: ConnectFtp(const CString sUr CString rEsult; ∥存信连接信息的字符 CFtpConnection Ftpconnection-NULL; SRess sResultsResult+ Trying to connect Ftp sites +sUrl+rIn Ftpconnection=m_session. GetFtp Connection(sUrl); ∥建立到服务器的连接20 为CMyWinInetClass类添加三个用于连接的成员函数，它 们分别是ConnectFtp、ConnectHttp和ConnectGopher。 CString CMyWinInetClass::ConnectFtp(const CString sUrl) { CString sResult; //存储连接信息的字符串 CFtpConnection *Ftpconnection=NULL; sResult=""; sResult=sResult+"Trying to connect Ftp sites"+sUrl+"\r\n"; Ftpconnection=m_session.GetFtpConnection(sUrl); //建立到Ftp服务器的连接