Description: Application in JSP, Servlet generally responsible for handling business logic, while the JSP used to display the results. Therefore, we must learn how to deal with the results passed to the Servlet' s JSP method. According to the data using the period and scope, you can choose the data stored in the built-in objects JSP Request, Session or Application in the. But note that the Request object stored in the data can only be applied in the context of a request exist in the Session object can be applied to the data during a session in Application data can be applied to the entire application range.
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