Whether QML has a “class” attribute just like CSS？

[itviewer]

whether QML has a “class” attribute just like CSS，that it can describe multiple elements with the same of properties ？

[Jens]

No there is not built in mechanism for this. It can however be added on top of QML, which is what Ubuntu is doing on their components: http://developer.ubuntu.com/api/ubuntu-12.10/qml/mobile/qml-ubuntu-components0-itemstyle.html