Introduction and Application of the Portlet-Based Grid Portal
基于Portlet的网格Portal的介绍与应用

As a web-based application,Grid Portal makes it easier for end-users to access the functions and services of Grid.The new generation of the Grid Portal is based on Portlet.The Portlet is visual modules which reduce the difficulty and the cost of the Grid Portal development significantly.Moreover,Portlet makes different portals highly compatible and easy migrating.Now the Portlet-based Portals have become the mainstream of the new generation of Grid Portal.In this paper the development and the framework design of the Portlet-based Portals are introduced.Then the functions and design of the Grid portal in the YangBaJing cosmic ray observation experiment are discussed.