In the J2EE Model 2 architecture, a servlet is the UI controller, responsible for getting input data, calling some back-end business logic, and then deciding what JSP to forward to.
在J2EEModel2体系结构中，Servlet是UI控制器，负责获取输入数据，调用某些后端的业务逻辑，然后决定转发到哪一个JSP。
In the J2EE Model 2 architecture, a servlet is the UI controller, responsible for getting input data, calling some back-end business logic, and then deciding what JSP to forward to.
在J2EEModel2体系结构中，Servlet是UI控制器，负责获取输入数据，调用某些后端的业务逻辑，然后决定转发到哪一个JSP。
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