QWebSettings *settings = QWebSettings::globalSettings();
settings->setAttribute(QWebSettings::PluginsEnabled, true);//
settings->setAttribute(QWebSettings::JavascriptEnabled, true);
settings->setAttribute(QWebSettings::DeveloperExtrasEnabled, true);//
settings->setAttribute(QWebSettings::JavascriptCanOpenWindows, true);
this->ui->webView->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
this->ui->webView->page()->mainFrame()->setScrollBarPolicy(Qt::Horizontal,Qt::ScrollBarAlwaysOff);
ui->webView->load(QUrl("/home/xie/myopencv/flash.swf")); //flash不能显示????
ui->webView->show();