dushibaiyu / dsbyliteexample Goto Github PK

我把您的代码下载下来，然后编译不通过，编译错误如下：
1>qftp.cpp
1>.\qftp.cpp(2210) : error C2248: 'QFtp::commandStarted' : cannot access protected member declared in class 'QFtp'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(144) : see declaration of 'QFtp::commandStarted'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(53) : see declaration of 'QFtp'
1>.\qftp.cpp(2267) : error C2248: 'QFtp::stateChanged' : cannot access protected member declared in class 'QFtp'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(138) : see declaration of 'QFtp::stateChanged'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(53) : see declaration of 'QFtp'
1>.\qftp.cpp(2291) : error C2248: 'QFtp::commandFinished' : cannot access protected member declared in class 'QFtp'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(145) : see declaration of 'QFtp::commandFinished'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(53) : see declaration of 'QFtp'
1>.\qftp.cpp(2297) : error C2248: 'QFtp::done' : cannot access protected member declared in class 'QFtp'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(146) : see declaration of 'QFtp::done'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(53) : see declaration of 'QFtp'
1>.\qftp.cpp(2369) : error C2248: 'QFtp::commandFinished' : cannot access protected member declared in class 'QFtp'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(145) : see declaration of 'QFtp::commandFinished'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(53) : see declaration of 'QFtp'
1>.\qftp.cpp(2374) : error C2248: 'QFtp::done' : cannot access protected member declared in class 'QFtp'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(146) : see declaration of 'QFtp::done'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(53) : see declaration of 'QFtp'
1>.\qftp.cpp(2384) : error C2248: 'QFtp::stateChanged' : cannot access protected member declared in class 'QFtp'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(138) : see declaration of 'QFtp::stateChanged'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(53) : see declaration of 'QFtp'
1>.\qftp.cpp(2397) : error C2248: 'QFtp::rawCommandReply' : cannot access protected member declared in class 'QFtp'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(142) : see declaration of 'QFtp::rawCommandReply'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(53) : see declaration of 'QFtp'
1>mainwindow.cpp
1>.\mainwindow.cpp(14) : error C2065: 'nullptr' : undeclared identifier
1>.\mainwindow.cpp(15) : error C2248: 'QFtp::rawCommandReply' : cannot access protected member declared in class 'QFtp'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(142) : see declaration of 'QFtp::rawCommandReply'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(53) : see declaration of 'QFtp'
1>.\mainwindow.cpp(15) : error C2059: syntax error : '['
1>.\mainwindow.cpp(15) : error C2143: syntax error : missing ')' before '{'
1>.\mainwindow.cpp(15) : error C2143: syntax error : missing ';' before '{'
1>.\mainwindow.cpp(16) : error C2065: 'str' : undeclared identifier
1>.\mainwindow.cpp(17) : error C2059: syntax error : ')'
1>.\mainwindow.cpp(18) : error C2248: 'QFtp::readyRead' : cannot access protected member declared in class 'QFtp'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(140) : see declaration of 'QFtp::readyRead'
1> c:\users\user\desktop\dsbyliteexample-master\qftpseriesdown\qftp.h(53) : see declaration of 'QFtp'
1>.\mainwindow.cpp(18) : error C2059: syntax error : '['
1>.\mainwindow.cpp(18) : error C2143: syntax error : missing ')' before '{'
1>.\mainwindow.cpp(18) : error C2143: syntax error : missing ';' before '{'
1>.\mainwindow.cpp(20) : error C2059: syntax error : ')'
1>main.cpp
1>ftpcutdown.cpp
1>.\ftpcutdown.cpp(36) : error C2248: 'QNetworkReply::finished' : cannot access protected member declared in class 'QNetworkReply'
1> c:\qt\4.8.4\include\qtnetwork../../src/network/access/qnetworkreply.h(149) : see declaration of 'QNetworkReply::finished'
1> c:\qt\4.8.4\include\qtnetwork../../src/network/access/qnetworkreply.h(65) : see declaration of 'QNetworkReply'
1>.\ftpcutdown.cpp(36) : error C2059: syntax error : '['
1>.\ftpcutdown.cpp(36) : error C2143: syntax error : missing ')' before '{'
1>.\ftpcutdown.cpp(36) : error C2143: syntax error : missing ';' before '{'
1>.\ftpcutdown.cpp(39) : error C2059: syntax error : ')'
1>Generating Code...
请问如何解决？期待您的回复