- When a client request is given, a web container will receive request
- Web container loads web.xml and verifies whether the url-patterns are verified or not, if matches web-container transfer the request to FilterDispatcher
- FilterDispatcher hand overs the request to ActionProxy, it is a proxy class which is responsible to apply before and after services to original business logic
- ActionProxy contacts ConfiguraionManager class, to know the suitable Action for the request and the needed services for the request
- ConfigurationManager class loads structs.xml and provides the required information back to ActionProxy
- ActionPorxy delegates the request along with its information to ActionInvocation
- ActionInvocation executes the interceptors added to an Action from 1 – N, after that it will call the business logic implemented from N – 1 in reverse order
- ActionInvocation receives finally result produced by an action aclass
- ActionProxy transfers the result back to FilterDispatcher
- FilterDispatcher selects an appropriate view, basing on the result
- Finally FilterDispatcher uses RequestDispatchers forwarding mechanism and forward a view as a response back to the client
struts -执行流程
原文：http://www.cnblogs.com/listened/p/4491500.html
