QT 和AS交互

1、ui->webView->setUrl( QUrl(" url:/form.html" ) );

2、connect( ui->webView->page()->mainFrame(), SIGNAL( javaScriptWindowObjectCleared() , this , SLOT( populateJavaScriptWindowObject() )) );

3、

populateJavaScriptWindowObject() 
{
    ui->webView->page->mainWindow->addToJavaScriptWindowObject( "mainwindow", this );
}

4、html中引用QT中方法: mainwindow::func();