QT关于网络TCP通讯的记录

QTcpServer *m_pTCPSrv;
//构建TCP服务器
m_pTCPSrv = new QTcpServer(this);
//关联成功接收连接的信号，当有新的连接的时候，调用槽函数onNewConnection()
connect(m_pTCPSrv, SIGNAL(newConnection()), this,SLOT(onNewConnection()));

void SvrListener::onNewConnection(){
//接收新连接
QTcpSocket *sockclient = m_pTCPSrv->nextPendingConnection();

//获取远端IP和端口
QString strIPAndPort = sockclient->peerAddress().toString() + tr(" ： %1").arg(sockclient->peerPort());
//添加到列表
ui->listWidget->addItem(strIPAndPort);
//构建客户端对象
ClientJobs *pClientJob = new ClientJobs(this, sockclient, strIPAndPort);
//IP-port列表
m_listIPAndPorts.append(strIPAndPort);
//客户端列表
m_listClients.append(pClientJob);

connect(pClientJob, SIGNAL(CallMainWindowDeleteClient(QString)), this, SLOT(DeleteOneClient(QString)));
connect(pClientJob->m_pClientSock, SIGNAL(readyRead()),this,SLOT(readMessage())); //有可读的信息，触发读函数槽
}

void SvrListener::readMessage() //读取信息
{
QByteArray qba = m_listClients[m_nIndex] -> m_pClientSock -> readAll();
qDebug()<<qba;
QString ss=QVariant(qba).toString();
ui->textEditSvrMsg->setText(ss);
}