MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent), ui(new Ui::MainWindow){ ui->setupUi(this); connect(ui->pushButton, SIGNAL(clicked()), this, SLOT(but())); connect(ui->pushButton_2, SIGNAL(clicked()), this, SLOT(but1()));}MainWindow::~MainWindow(){ delete ui;}void MainWindow::but(){ ui->webView->load(QUrl("http://cinemate.cc/login/"));}void MainWindow::but1(){ QWebElement email = ui->webView->page()->mainFrame()->findFirstElement("input[id=id_username]"); QWebElement pass = ui->webView->page()->mainFrame()->findFirstElement("input[id=id_password]"); QWebElement button = ui->webView->page()->mainFrame()->documentElement().findFirst("input[type=submit]"); email.setAttribute("value", "dem1111111"); pass.setAttribute("value", "11111111111"); button.evaluateJavaScript("this.click()");