QAbstractSocket::connectToHost() called when already looking up or connecting/connected to "192.168.1.100"问题是因为你第一次搭建客户端成功时,没有关闭端口,只要在你QAbstractSocket::connectToHost()函数之前加一句:
tcpSocket->abort();//取消已有连接,重置套接字,tcpSocket是QTcpSocket类的对象
就不会报错了。
关于QAbstractSocket::connectToHost() called when already looking up or connecting/connected to
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