MVC Instance Application pattern

Combined with "XXX demand system" analysis.

Combine six mass properties:

Availability: Under normal circumstances, the system can work over an hour.

Modifiable: Use configuration files to modify configuration files. For some public methods, encapsulation, modification, only need to modify the encapsulated method, do not have to modify the calling method code.

Performance: Improves system response time and does not allow users to feel delayed.

Security: Encrypt and store information such as passwords.

Testability: Unit testing using JUnit.

Ease of use: Users do not legally check real-time reminders and so on.

Specific function Module Analysis:

Login: Implemented using MVC.

Model: The user enters the entity class for each field.

view:jsp file for users to enter the account password login system.

The Xxxactino class under the Controller:action package and the class under the Service Package Act as a controller, where the method in action takes the user input information and invokes the method in service to determine if the user exists, and if so, whether the password is correct , the action returns a different value based on the return value after service processing, and if the user authentication succeeds, the configuration in struts is returned to the home page based on the action return value.

MVC Instance Application pattern