Infrared_test/mythread.cpp

#include "mythread.h"

MyThread::MyThread(QObject *parent): QThread(parent)
{


}

void MyThread::MyThread::run()
{
    //要处理的任务... 例如耗时3秒的操作
//    QThread::sleep(3);
    printf("this is MyThread");
    qDebug() << "this is MyThread begin:" << QThread::currentThreadId();

    //1.创建server对象

    QTcpServer* server=new QTcpServer(this);
        //2.设置服务器监听listen(ipAddr,port)
         bool res=server->listen(QHostAddress::Any,8018);//返回监听成功与否，可能存在端口占用情况
        qDebug() << "this is listen ret:" << res;
        //3.基于 QTcpServer::newConnection() 信号检测是否有新的客户端连接
        connect(server,&QTcpServer::newConnection,[=]()
        {
            QTcpSocket* tcpSocket=server->nextPendingConnection();//接收新的客户端连接，用于实际的收发处理

             qDebug() << "this is listen tcpSocket:" << tcpSocket;

            //4.收发处理,
            //4.1 当收到数据请求时，tcpSocket会发射readyread信号
            connect(tcpSocket,&QTcpSocket::readyRead,[=]()
            {
                //收到信息请求
                auto sMsg=tcpSocket->readAll();
                qDebug()<<"Datas from the remote client:"<<sMsg;
            });
            //4.2 写数据
            QByteArray sWriteMsg="Hello Client";
            tcpSocket->write(sWriteMsg);
        });

        qDebug() << "this is MyThread end:" << QThread::currentThreadId();
    //emit sign_stop(); //线程结束发送信号
}