C++ & QT Creator 开发网络调试助手_网络调试助手源码c++

mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H
 
#include <QMainWindow>
 
QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE
 
class MainWindow : public QMainWindow
{
    Q_OBJECT
 
public:
    MainWindow(QWidget *parent = nullptr);
    ~MainWindow();
 
private slots:
    void on_radioButton_2_clicked(bool checked);
 
    void on_radioButton_clicked(bool checked);
 
    void on_pushButton_3_clicked();
 
    void on_pushButton_5_clicked();
 
    void on_radioButton_3_clicked(bool checked);
 
private:
    Ui::MainWindow *ui;
};
#endif // MAINWINDOW_H

main.cpp

#include "mainwindow.h"
 
#include <QApplication>
 
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
    w.show();
    return a.exec();
}

mainwindow.cpp

//UDP
void MainWindow::on_radioButton_3_clicked(bool checked)
{
    ui->pushButton_3->setText("打开");
}
//TCP服务器端
void MainWindow::on_radioButton_2_clicked(bool checked)
{
    if(checked){
        ui->pushButton_3->setText("开始监听");
        //关联信号与槽
        connect(server,&QTcpServer::newConnection,this,&MainWindow::accept_connect);
    }
}
//TCP客户端
void MainWindow::on_radioButton_clicked(bool checked)
{
    if(checked){
        ui->pushButton_3->setText("链接网络");
        //关联信号与槽
        connect(socket,&QTcpSocket::readyRead,this,&MainWindow::read_date);
        //取消新的链接请求
        disconnect(connect(server,&QTcpServer::newConnection,this,&MainWindow::accept_connect));
        //取消服务器的监听
        server->close();
    }
}
//链接网络与开始监听按钮
void MainWindow::on_pushButton_3_clicked()
{
    //TCP服务器
    if(ui->pushButton_3->text() == "开始监听")
    {
        //获取端口
        QString local_port = ui->lineEdit_port_1->text();
        //开始监听
        if(server->listen(QHostAddress::Any,local_port.toShort()))
        {
            ui->label_4->setText("正在监听");
        }else
        {
            ui->label_4->setText("监听失败");
        }
    }
    //TCP客户端
    if(ui->pushButton_3->text() == "链接网络")
    {
        //获取端口和IP
        QString ip = ui->lineEdit_ip_2->text();
        QString port = ui->lineEdit_port_2->text();
        //链接服务器
        socket->connectToHost(ip,port.toInt());
 
    }
    //判断是链接网络还是监听
    if(ui->pushButton_3->text() == "打开")
    {
        //获取端口和IP
        QString ip1 = ui->lineEdit_ip_1->text();
        QString port1 = ui->lineEdit_port_1->text();
        //建立连接
        udp->bind(QHostAddress::Any,port1.toInt());
        qDebug() << "Listening on port1 " << port1;
        connect(udp,&QUdpSocket::readyRead,this,&MainWindow::read_date);
    }
}
//新的链接请求
void MainWindow::accept_connect()
{
    int ret = QMessageBox::warning(this, tr("链接提示"),
                                   tr("有新的客户端链接是否接收请求\n"),
                                   QMessageBox::Yes|QMessageBox::No);
    if(ret == QMessageBox::Yes) //接收链接
    {
        new_socket = server->nextPendingConnection();
        qDebug() << new_socket->peerAddress().toString();
        //关联可读信号
        connect(new_socket,&QTcpSocket::readyRead,this,&MainWindow::read_date);
    }
}
//接收
void MainWindow::read_date()
{
    if (ui->pushButton_3->text() == "开始监听")
    {
        ui->plainTextEdit->appendPlainText(new_socket->readAll());
    }
    else if (ui->pushButton_3->text() == "链接网络")
    {
        ui->plainTextEdit->appendPlainText(socket->readAll());
    }
//    if (ui->pushButton_3->text() == "打开"){
//        qDebug()  << "有数据可读";
//        //判断是否有网络数据
//        while (udp->hasPendingDatagrams()) {
//            //把所有数据读到  datagram
//            QNetworkDatagram datagram = udp->receiveDatagram();
//            //输出数据
//            qDebug() <<  datagram.senderAddress().toString();
//            qDebug() <<  datagram.senderPort();
//            qDebug() <<  datagram.data();
//            ui->plainTextEdit->appendPlainText(udp->readAll());
//        }
//    }
    if (ui->pushButton_3->text() == "打开"){
        char  buf[1024]={0};
        QHostAddress  ip;
        unsigned  short  port=0;
        udp->readDatagram(buf,1024,&ip,&port);
        ui->plainTextEdit->appendPlainText(buf);
    }
}
 
//发送
void MainWindow::on_pushButton_5_clicked()
{
    //服务器
    if(ui->pushButton_3->text() == "开始监听")
    {
        QString msg = ui->plainTextEdit_2->toPlainText();
        qDebug() <<  msg;
        new_socket->write(msg.toUtf8());
    }
    //客户端
    if(ui->pushButton_3->text() == "链接网络")
    {
        QString msg = ui->plainTextEdit_2->toPlainText();
        qDebug() <<  msg;
        socket->write(msg.toUtf8());
    }
    //UDP发送端
    if(ui->pushButton_3->text() == "打开")
    {
        QString ip2 = ui->lineEdit_ip_2->text();
        QString port2 = ui->lineEdit_port_2->text();
        QString msg = ui->plainTextEdit_2->toPlainText();
        udp->writeDatagram(msg.toUtf8(),QHostAddress(ip2),port2.toInt());
    }
}
 
 

效果展示