qt4 tcp QTcpSocket QTcpServer 传输文件

tcpSender （客户端无QTcpServer) private: QTcpSocket *tcpClient; QFile *localFile; //要发送的文件 qint64 totalBytes; //数据总大小 qint64 bytesWritten; //已经发送数据大小 qint64 bytes

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