ADF全称是Arcgis java Web Application Developer FrameWork，是为了开发web应用而生的一套开发框架，开发人员可以在ADF的基础上相对容易的开发出WEBGIS应用。(The full name of ADF is Arcgis Java Web Application Developer FrameWork, which is a set of development FrameWork for Web Application development