The application of data transfer mechanism in J2EE system

The paper based on a Membership Card Management System, describes two implementations of data transfer which follows the Model-View-Controller software design pattern. The first method is the data transfer using Ajax technology in XML pattern, and another uses cache as the temple container to transfer data. The core of the paper analyzes concretely how those two methods implement between different layers in the MVC framework in accordance with the principle of high cohesion and low coupling between each module in the MVC framework.