6.2 handleradapter adapter processor (in-depth analysis of SSM and project practice)

All the source code in the project can be found in the linked repository ：https://github.com/chenhaoxiang/uifuture-ssm

6.2 HandlerAdapter Adaptive processor

First of all, let's get to know HandlerAdapter What do you do , Then the source code to understand . If you will HandlerMapping Compared to a tool , That's understandable HandlerAdapter For those who use tools .

This class is a typical application of adapter pattern . Use adapter , You can make classes with incompatible interfaces work together , In other words, the interface of the class itself is contained in an existing class .