struts2-result-servletapi-Get Parameters-parametric encapsulation

1 Results Jump Mode

Forward

redirect

Forward to Action

Redirect to Action

2 Access Servletapi Mode 2.1 principle

2.2 Getting the API

by actioncontext★★★★

by Servletactioncontext

By implementing an interface approach

3 How to get the parameter 3.1 extension

Strutsmvc

Action life cycle

1. Each time a request arrives, a new action instance is created

2.Action is thread-safe. You can use member variables to receive parameters

3.2 Property Driven Get parameters

3.3 Object-driven

3.4 Model-driven

4 Collection type parameter encapsulation

List

Map

struts2-result-servletapi-Get Parameters-parametric encapsulation