AEM Helper :https://helpx.adobe.com/support.html#/top_products
AEM问题 : http://insideaem.com/web-content-management/how-to-use-path-in-a-widget-to-populate-an-options-data/
CQ5 Widgets API : https://docs.adobe.com/docs/en/cq/5-6/widgets-api/index.html?class=CQ.wcm.Annotation