Struts2 Access or add several properties (Request/session/application property)

Source: Internet
Author: User


STRUTS2 add request, session, application properties

The first method:
Actioncontext CTX = actioncontext.getcontext ();      Ctx.put ("R1", list); // Add a property      to the request Ctx.getsession (). Put ("S1", list); // adding attributes      to the session Ctx.getapplication (). Put ("A1", list); // adding attributes  to Application

HttpSession session =NULL; Session=servletactioncontext.getrequest (). GetSession (); if(Session.getattribute ("user")! =NULL) {Session.removeattribute ("User"); } session.setattribute ("User", user); Map<String,Object> session =NULL; Session=Actioncontext.getcontext (). GetSession (); if(Session.containskey ("User") {session.remove ("User"); } session.put ("User", user);
The second method:

Using the Servletrequestaware interface

 Public classLoginAction4extendsActionsupportImplementsServletrequestaware {PrivateHttpServletRequest request; PrivateHttpSession session; PrivateServletContext Application;  PublicString Execute () {Request.setattribute ("R1", "R1"); Session.setattribute ("S1", "S1"); Application.setattribute ("A1", "A1"); returnSUCCESS; } @Override Public voidsetservletrequest (HttpServletRequest request) { This. Request =request;  This. session =request.getsession ();  This. Application =Session.getservletcontext (); }        }  

Struts2 accessing the request, session, application properties

The first method:

Using struts tag:

<s:property value= "#request. R1"/>   <s:property value= "#session. S1"/> <s:property   value= "# Application.a1 "/>   

The second method:

Working with JSP objects

<%=request.getattribute ("R1")%> <br/>  <%=session.getattribute ("S1")%> <br/>  < %=application.getattribute ("A1")%> <br/>  

Struts2 Access or add several properties (Request/session/application property)

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