QToolBar* toolbar = new QToolBar( this );
addToolBar( toolbar, "Toolbar");
QToolButton* button;
button = new QToolButton( icon_back, tr("Backward"), "", browser, SLOT(backward()), toolbar );
connect( browser, SIGNAL( backwardAvailable(bool) ), button, SLOT( setEnabled(bool) ) );
button->setEnabled( FALSE );
button = new QToolButton( icon_forward, tr("Forward"), "", browser, SLOT(forward()), toolbar );
connect( browser, SIGNAL( forwardAvailable(bool) ), button, SLOT( setEnabled(bool) ) );
button->setEnabled( FALSE );
button = new QToolButton( icon_home, tr("Home"), "", browser, SLOT(home()), toolbar );
请把相应的tr("******")中的内容填入响应的内容.BLESS!