Jsp+servlet+javabean Classic MVC Pattern Understanding

MVC Schema Purpose (Implementation of the functional division of the web System). In Java EE, Jsp+servlet+javabean is a classic model, which is a prerequisite for beginners to know the skills. M, Model (model) Implement the business logic of the system

1. Implementing business logic for operational databases through DAO

2. Other system business logic JavaBean functions

V,View is responsible for interacting with the user, i.e. displaying the data object on the interface to the user

JSP functions

C, Controler Control The bridge between model and view 1. Assign a user's request and select the appropriate view to display

2. Interpreting user input and mapping them to actions that the model can perform

servlet functions

JSP accepts the user's request parameters like

JavaBean: Can be repeated call, need to accept the user's request parameters, the corresponding processing

Jsp+servlet+javabean Classic MVC pattern Understanding