QT主机信息查询对话框

缺乏、安全感 2022-03-16 21:14 171阅读 0赞

所有文件  
![在这里插入图片描述][2019022215461429.png]  
dialog.h文件

#ifndef DIALOG_H
    #define DIALOG_H
    #include <QHostInfo>
    #include <QHostAddress>
    #include <QNetworkInterface>
    #include <QDialog>
    
    
    namespace Ui {
    class Dialog;
    }
    
    
    class Dialog : public QDialog
    {
        Q_OBJECT
    
    
    public:
        explicit Dialog(QWidget *parent = 0);
        ~Dialog();
    private slots:
        void lookedUpHostInfo(const QHostInfo &host);
    
    
        void on_pushButton_clicked();
    
    
        void on_pushButton_4_clicked();
    
    
        void on_pushButton_3_clicked();
    
    
        void on_pushButton_2_clicked();
    
    
        void on_pushButton_5_clicked();
    
    
    private:
        Ui::Dialog *ui;
        QString protocolName(QAbstractSocket::NetworkLayerProtocol protocol);
    };
    
    
    #endif // DIALOG_H

dialog.cpp文件

#include "dialog.h"
    #include "ui_dialog.h"
    
    
    Dialog::Dialog(QWidget *parent) :
        QDialog(parent),
        ui(new Ui::Dialog)
    {
        ui->setupUi(this);
    }
    
    
    Dialog::~Dialog()
    {
        delete ui;
    }
    
    
    void Dialog::on_pushButton_clicked()
    {
        QString hostName=QHostInfo::localHostName();
        ui->plainTextEdit->appendPlainText("本机主机名："+hostName+"\n");
        QHostInfo hostInfo=QHostInfo::fromName(hostName);
        QList<QHostAddress> addList=hostInfo.addresses();
        if(!addList.isEmpty())
        {
            for(int i=0;i<addList.count();i++)
            {
                QHostAddress aHost=addList.at(i);
                bool show=ui->checkBox->isChecked();
                if(show)
                {
                    show=(QAbstractSocket::IPv4Protocol==aHost.protocol());
                }
                else
                    show=true;
    
    
            if(show)
            {
                ui->plainTextEdit->appendPlainText("协议:"+protocolName(aHost.protocol()));
                ui->plainTextEdit->appendPlainText("本机IP地址："+aHost.toString());
                ui->plainTextEdit->appendPlainText(" ");
            }
    
    
    
    
            }
        }
    }
    QString Dialog::protocolName(QAbstractSocket::NetworkLayerProtocol protocol)
    {
        switch (protocol) {
        case QAbstractSocket::IPv4Protocol:return "IPv4 Protocol";
        case QAbstractSocket::IPv6Protocol:return"IPv6 protocol";
        case QAbstractSocket::AnyIPProtocol:return "Any IP Protocol";
        default:return "Unknow Network layer Protocol";
            break;
        }
    
    
    }
    void Dialog::lookedUpHostInfo(const QHostInfo &host)
    {
        QList<QHostAddress> addList=host.addresses();
        if(!addList.isEmpty())
        {
            for(int i=0;i<addList.count();i++)
            {
                QHostAddress aHost=addList.at(i);
                bool show=ui->checkBox->isChecked();
                if(show)
                {
                    show=(QAbstractSocket::IPv4Protocol==aHost.protocol());
                }
                else {
                    show=true;
                }
                if(show)
                {
                    ui->plainTextEdit->appendPlainText("协议："+protocolName(aHost.protocol()));
                    ui->plainTextEdit->appendPlainText(aHost.toString());
                }
            }
        }
    
    
    }
    
    
    void Dialog::on_pushButton_4_clicked()
    {
        QString hostName=ui->lineEdit->text();
        ui->plainTextEdit->appendPlainText("正在查找主机信息："+hostName);
        QHostInfo::lookupHost(hostName,this,SLOT(lookedUpHostInfo(QHostInfo)));
    }
    
    
    void Dialog::on_pushButton_3_clicked()
    {
        QList<QNetworkInterface> list=QNetworkInterface::allInterfaces();
        for(int i=0;i<list.count();i++)
        {
            QNetworkInterface aInterface=list.at(i);
            if(!aInterface.isValid())
                continue;
            ui->plainTextEdit->appendPlainText("设备名称："+aInterface.humanReadableName());
            ui->plainTextEdit->appendPlainText("硬件地址："+aInterface.hardwareAddress());
            QList<QNetworkAddressEntry> entryList=aInterface.addressEntries();
            for(int j=0;j<entryList.count();j++)
            {
                QNetworkAddressEntry aEntry=entryList.at(j);
                ui->plainTextEdit->appendPlainText("IP地址："+aEntry.ip().toString());
                ui->plainTextEdit->appendPlainText("子网掩码："+aEntry.netmask().toString());
                ui->plainTextEdit->appendPlainText("广播地址："+aEntry.broadcast().toString()+"\n");
            }
            ui->plainTextEdit->appendPlainText("\n");
        }
    }
    
    
    void Dialog::on_pushButton_2_clicked()
    {
        QList<QHostAddress> addList=QNetworkInterface::allAddresses();
        if(!addList.isEmpty())
        {
            for(int i=0;i<addList.count();i++)
            {
                QHostAddress aHost=addList.at(i);
                bool show=ui->checkBox->isChecked();
                if(show )
                {
                    show=QAbstractSocket::IPv4Protocol==aHost.protocol();
                }
                else {
                    show=true;
                }
                if(show)
                {
                    ui->plainTextEdit->appendPlainText("协议："+protocolName(aHost.protocol()));
                    ui->plainTextEdit->appendPlainText("IP地址："+aHost.toString());
                    ui->plainTextEdit->appendPlainText(" ");
                }
            }
        }
    }
    
    
    void Dialog::on_pushButton_5_clicked()
    {
        ui->plainTextEdit->clear();
    }

dialog.ui

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3RoZVJvb2tpZTE_size_16_color_FFFFFF_t_70]

[2019022215461429.png]: /images/20220317/b00d315bace542e5a723445d6a864156.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3RoZVJvb2tpZTE_size_16_color_FFFFFF_t_70]: /images/20220317/1fa8d1af02ea4940a4a95e58b94f66d6.png