STRUTS2 Model Driven

Source: Internet
Author: User

 Public class extends Actionsupport implements modeldriven<user>  {    private User user = new user ();    Public User Getmodel () {        return   user;    }    @Override    Publicthrows  Exception {        System.out.println (user);         return NONE;}    }
<form action= "${pagecontext.request.contextpath}/user3.action" method= "POST" > User name <input type= "text" Name= " Username "/><br/> password <input type=" password "name=" password "/><br/><input type=" Submit "value= "Submit"/></form>



User name: <input type= "text" name= "username" ><br/>


public class ParamAction3 extends Actionsupport implements modeldriven<user>{

Private User user = new user ();

Public User Getmodel () {

return user;



Implementation modeldriven<t> must manually build the encapsulated object.

* Model-driven use is the most extensive. A separate interceptor is provided in the STRUTS2 to complete the model-driven encapsulation, and some of the structures in the Struts2 are designed around model-driven.

Compare the second and third ways:

* The third type uses more. The second is more flexible. The third model-driven approach can only be encapsulated into one entity object. The second way is encapsulated into different entities.

* The third way to provide interceptors:

<interceptor name= "Modeldriven" class= "Com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor"/>

* The second package to different entities:

<input type= "text" name= "User.username" >

<input type= "text" name= "Product.price" >

STRUTS2 Model Driven

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