qt C++通过修改windows 注册表，修改系统的网络代理.zip

#include "mainwindow.h" #include "ui_mainwindow.h" #include <QSettings> #include <QDebug> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); setFixedSize(420,300); QSettings settings("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings",QSettings::NativeFormat); QString proxyServer=settings.value("ProxyServer","").toString(); qDebug()<<" 已经设置的代理 ："<<proxyServer; QStringList dats=proxyServer.split(":"); ui->lineEditIp->setText(dats[0]); ui->lineEditPort->setText(dats[1]); } MainWindow::~MainWindow() { delete ui; } void MainWindow::on_buttonStart_clicked() { QSettings settings("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings",QSettings::NativeFormat); QString ipandport=ui->lineEditIp->text()+":"+ui->lineEditPort->text(); qDebug()<<"ip and port:"<<ipandport; settings.setValue("ProxyServer",ipandport); settings.setValue("ProxyEnable",1); } void MainWindow::on_buttonStop_clicked() { QSettings settings("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings",QSettings::NativeFormat); settings.setValue("ProxyEnable",0); }