Windows 使用QT读取IP地址并修改IP地址

#include "QtNetwork.h" #include <QNetworkInterface> #include <QTextStream> #include "QtNetworkEditDlg.h" #include <Windows.h> #include <IPHlpApi.h> #include <iostream> #pragma comment(lib,"IPHlpApi.lib") #include <QSettings> QtNetwork::QtNetwork(QWidget *parent) : QMainWindow(parent) { ui.setupUi(this); initNetwork(); initNetwork_IPHlpApi(); initNetwork_reg(); } void QtNetwork::initNetwork() { ui.comboBox->clear(); QString text; QTextStream out(&text); QList<QNetworkInterface> ifaceList = QNetworkInterface::allInterfaces(); for (int i = 0; i < ifaceList.count(); i++) { QNetworkInterface var = ifaceList.at(i); out << QString::fromLocal8Bit("########## 设备%1 ############").arg(i) << endl; out << QString::fromLocal8Bit("接口名称：") << var.humanReadableName() << endl; out << QString::fromLocal8Bit("设备名称：") << var.name() << endl; out << QString::fromLocal8Bit("硬件地址：") << var.hardwareAddress() << endl; ui.comboBox->addItem(var.name()); out << QString::fromLocal8Bit("IP地址列表：") << endl; // 读取一个IP地址的关联信息列表 QList<QNetworkAddressEntry> entryList = var.addressEntries(); for(int j = 0; j < entryList.count(); j++) { QNetworkAddressEntry entry = entryList.at(j); out << QString::fromLocal8Bit("%1_地址：").arg(j) << endl; out << QString::fromLocal8Bit(" IP地址：") << entry.ip().toString() << endl; out << QString::fromLocal8Bit(" 子网掩码：") << entry.netmask().toString() << endl; out << QString::fromLocal8Bit(" 广播地址：") << entry.broadcast().toString() << endl; } } ui.textEdit->setPlainText(text); } void QtNetwork::initNetwork_IPHlpApi() { QString text; QTextStream out(&text); //IP_ADAPTER_INFO结构体 PIP_ADAPTER_INFO pIpAdapterInfo = NULL; pIpAdapterInfo = new IP_ADAPTER_INFO; //结构体大小 unsigned long ulSize = sizeof(IP_ADAPTER_INFO); //获取适配器信息 int nRet = GetAdaptersInfo(pIpAdapterInfo, &ulSize); if (ERROR_BUFFER_OVERFLOW == nRet) { //空间不足，删除之前分配的空间 delete[]pIpAdapterInfo; //重新分配大小 pIpAdapterInfo = (PIP_ADAPTER_INFO) new BYTE[ulSize]; //获取适配器信息 nRet = GetAdaptersInfo(pIpAdapterInfo, &ulSize); //获取失败 if (ERROR_SUCCESS != nRet) { if (pIpAdapterInfo != NULL) { delete[]pIpAdapterInfo; } return; } } //MAC 地址信息 char szMacAddr[20]; //赋值指针 PIP_ADAPTER_INFO pIterater = pIpAdapterInfo; int i = 0; while (pIterater) { out << QString::fromLocal8Bit("########## 设备%1 ############").arg(i) << endl; out << QString::fromLocal8Bit("网卡名称：") << pIterater->AdapterName << endl; out << QString::fromLocal8Bit("网卡描述：") << pIterater->Description << endl; sprintf_s(szMacAddr, 20, "%02X-%02X-%02X-%02X-%02X-%02X", pIterater->Address[0], pIterater->Address[1], pIterater->Address[2], pIterater->Address[3], pIterater->Address[4], pIterater->Address[5]); out << QString::fromLocal8Bit("MAC 地址：") << szMacAddr << endl; out << QString::fromLocal8Bit("IP地址列表：") << endl; //指向IP地址列表 int j = 0; PIP_ADDR_STRING pIpAddr = &pIterater->IpAddressList; while (pIpAddr) { out << QString::fromLocal8Bit("%1_地址：").arg(j) << endl; out << QString::fromLocal8Bit(" IP地址：") << pIpAddr->IpAddress.String << endl; out << QString::fromLocal8Bit(" 子网掩码：") << pIpAddr->IpMask.String << endl; //指向网关列表 PIP_ADDR_STRING pGateAwayList = &pIterater->GatewayList; while (pGateAwayList) { out << QString::fromLocal8Bit(" 网关：") << pGateAwayList->IpAddress.String << endl; pGateAwayList = pGateAwayList->Next; } pIpAddr = pIpAddr->Next; j++; } pIterater = pIterater->Next; i++; } //清理 if (pIpAdapterInfo) { delete[]pIpAdapterInfo; } ui.textEdit_2->setPlainText(text); } void QtNetwork::initNetwork_reg() { QString text; QTextStream out(&text); QSettings reg("HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\services\\Tcpip\\Parameters\\Interfaces\\", QSettings::NativeFormat); QStringList groupsList = reg.childGroups(); qDebug() << "read size:" << groupsList.size(); int i = 0; foreach(QString group, groupsList) { out << QString::fromLocal8Bit("########## 设备%1 ############").arg(i) << endl; out << QString::fromLocal8Bit("设备名称：") << group << endl; reg.beginGroup(group); QString ip = reg.value("IPAddress").toString(); if (!ip.isEmpty()) { out << QString::fromLocal8Bit(" IP地址：") << ip << endl; } QString netmask = reg.value("SubnetMask").toString(); if (!netmask.isEmpty()) { out << QString::fromLocal8Bit(" 子网掩码：") << netmask << endl; } QString gateway = reg.value("DefaultGateway").toString(); if (!gateway.isEmpty()) { out << QString::fromLocal8Bit(" 网关:") << gateway << endl; } reg.endGroup(); i++; } ui.textEdit_3->setPlainText(text); } void QtNetwork::on_pushButton_clicked() { QNetworkInterface var = QNetworkInterface::interfaceFromName(ui.comboBox->currentText()); QtNetworkEditDlg * dlg = new QtNetworkEditDlg(var); connect(dlg, &QtNetworkEditDlg::accepted, this, &QtNetwork::slot_accept); dlg->setAttribute(Qt::WA_DeleteOnClose); dlg->show(); } void QtNetwork::slot_accept() { initNetwork(); initNetwork_IPHlpApi(); initNetwork_reg(); }