Questions about encapsulating form forms in Struts2

@Component ("User") @Scope ("Prototype") Public classUseractionextendsActionsupportImplementsModeldriven {PrivateUserregisterinfo info =NewUserregisterinfo (); PrivateUsermanager um; PrivateList<user>users;  PublicUsermanager getum () {returnum; } @Resource (Name= "Usermanager")     Public voidsetum (Usermanager um) { This. um =um; } @Override PublicString Execute ()throwsException {User u=NewUser ();        U.setusername (Info.getusername ());        U.setpassword (Info.getpassword ()); if(Um.exists (U)) {return"Fail";        } um.add (U); return"Success"; }     Publicuserregisterinfo GetInfo () {returninfo; }     Public voidsetInfo (userregisterinfo info) { This. info =info; }        //@Override     PublicObject Getmodel () {returninfo; }         PublicString list () { This. Users = This. Um.getusers (); return"List"; }         PublicList<user>getusers () {returnusers; }     Public voidSetusers (list<user>users) {         This. Users =users; }        }

Realize

Implements Modeldriven This interface, in the JSP page can not add xxx.username, directly write username can

Questions about encapsulating form forms in Struts2