void MainWindow::on_actionSearch_F_triggered()
{
QDialog* findDlg=QDialog(this);
findDlg->setWindowTitle(tr("search"));
find_TextLineEdit=new QLineEdit(findDlg);
QPushButton *findBtn=new QPushButton(tr("search next"),findDlg);
QVBoxLayout *layout=new QVBoxLayout(findDlg);
layout->addWidget(find_TextLineEdit);
layout->addWidget(findBtn);
findDlg->show();
connect(findBtn,SIGNAL(clicked()),this,SLOT(show_findText()));
}
运行出现问题“cannot convert'QDialog'to'QDialog*'in initialization"