Qt TCP

最新推荐文章于 2023-05-24 17:18:30 发布

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最新推荐文章于 2023-05-24 17:18:30 发布

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分类专栏： Qt 文章标签： qt

本文链接：https://blog.youkuaiyun.com/qq_40110291/article/details/120200827

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#ifndef TCPMODULE_H
#define TCPMODULE_H

#include <QTcpServer>
#include <QTcpSocket>
class TcpModule :QObject
{
    Q_OBJECT
public:
    TcpModule(QObject *parent = nullptr);

    ~TcpModule();
    void sendOrder(QString order);
    void setIpPort(QString ip,int port);

public slots:
    void connected();
    void disconnected();
    void onError(QAbstractSocket::SocketError);
    void readMessage();
private:
    QTcpServer *mServer;
    QTcpSocket *m_TcpSocket;
    QList<QTcpSocket *>clients;
    QString m_strIP ;
    int m_iPort ;
    bool flag;
    int recvSize;
};

#endif // TCPMODULE_H

#include "tcpmodule.h"

TcpModule::TcpModule(QObject *parent) :
    QObject(parent),
        m_TcpSocket(NULL)
{

    m_TcpSocket = new QTcpSocket(this);
    connect(m_TcpSocket,SIGNAL(readyRead()),this,SLOT(readMessage()));
    connect(m_TcpSocket,SIGNAL(connected()),this,SLOT(connected()));
    connect(m_TcpSocket,SIGNAL(disconnected()),this,SLOT(disconnected()));
    connect(m_TcpSocket,SIGNAL(error(QAbstractSocket::SocketError)),this,SLOT(onError(QAbstractSocket::SocketError)));
}

TcpModule::~TcpModule()
{

}

void TcpModule::connected()
{
    flag = true;
}

void TcpModule::disconnected()
{
    flag = false;
}

void TcpModule::onError(QAbstractSocket::SocketError)
{
}

void TcpModule::sendOrder(QString order)
{
    if(m_TcpSocket != NULL){
        quint64 len = m_TcpSocket->write(order.toLocal8Bit());
    }
}

void TcpModule::setIpPort(QString ip, int port)
{
    QString m_strIP = ip;
    int m_iPort = port;
    m_TcpSocket->disconnectFromHost();
    m_TcpSocket->connectToHost(m_strIP,m_iPort);
}


//接收数据
void  TcpModule::readMessage()
{
    QTcpSocket *obj = (QTcpSocket*)sender();
    //获取发送数据端的IP
    QString ip = obj->peerAddress().toString();
    ip.remove("::ffff:");
    QString msg = obj->readAll();
    recvSize += msg.size();//统计接收到的数据的字节数
}