这样写对不对?
QPushButton *printbutton = new QPushButton(QObject::tr("打印"));
//actPrint = printbutton->addAction(tr("打印文档"));
void QWebView::print(QPrinter *print)const
//QPrintPreviewDialog *dialog = new QPrintPreviewDialog(this);
QObject::connect(button,SIGNAL(clicked()),view,SLOT(Print()));