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struts1 with Ajax using struts tags

+1 vote

I have a problem/doubt and describing here.I am using struts1.1(no plain jsp's only struts tags) and needs to implement ajax in that.Q-1) With out giving "action" property can't we write ?. If no I am using ajax in that
form(now my form having button to submit form data). Could any one please help how to add my response back to form variable in same page.

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my action class is

package app;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public class DetailsAction extends Action {    
 public ActionForward execute (ActionMapping mapping, ActionForm  form, HttpServletRequest request,HttpServletResponse  response) throws Exception    
 RegisterForm detailsForm = (RegisterForm)form;
 return mapping.findForward("success");
posted Nov 12, 2013 by Dewang Chaudhary

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1 Answer

+1 vote

When you do AJAX in S1, you are always responding directly to the browser. You need to write your data to the ServletOutputStream and return null. You do not need to use any ActionForward.

answer Nov 12, 2013 by anonymous
Well, you *may* do that, but it's not a requirement; Ajax may return HTML etc.
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I am using struts 2.2.3 and doing client side validation using xml. I want to do validation for a field whose name is an ognl expression I have something like this :

Field is required

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+2 votes

I can't see what's going on behind the scenes in this example so I'm asking for help in order to understand the Strtus process.

I run the example, leave empty "First Name" to make validation fail, and submit. Then go back to index:


and click on edit. But "First name" is reset with the original value. It should be empty because Person instance is managed statically. In fact, other examples (preparable, exclude params) behave as expected, and return an empty String for the filed left empty.

The thing here is than I'm not understanding how Struts works here. I would appreciate if you help me with this.

Example is here:

Code for checkout here:

Examples doing as expected: