Re: how to iterate through a map in struts

From:
"vyshu" <vyshu4u@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
10 Apr 2007 05:02:01 -0700
Message-ID:
<1176206521.795978.43900@b75g2000hsg.googlegroups.com>
On Apr 10, 1:46 am, "Tim B" <nos...@someisp.ca> wrote:

"vyshu" <vysh...@gmail.com> wrote in message

news:1176100609.213901.233960@e65g2000hsc.googlegroups.com...

hi,
i am confused about iterating through a map in struts.
i hav a form bean LoginForm.and a getter mathod getID(),which returns
the values of a map if passed the key as parameter....my code..
/*public String getId(String key)
{
return (String)mapelements(key);
}
public Object mapelements(String key)
{
Map x=new HashMap();
x.put("1","vaisahk");
x.put("2","jovin");
x.put("3","praveen");
x.put("4","subhash");
return x.get(key);
}
*/
now i want to print this in the jsp page where i am fowarding from
here..
this is my action code..
LoginForm obj=(LoginForm)form;
sess=obj.getUser();
HttpSession session=req.getSession();
session.setAttribute("usersession",form);

and in the forwarded jsp page i want to print the values of the
map....

please help....


Here's an example using Struts tags.

<bean:define name="myRequestScopedBean" property="theMap" id="myMap"/>
      <logic:iterate id="mapEntry" name="myMap" >
           <bean:write name="mapEntry" property="key"/> <bean:write
name="mapEntry" property="value"/>
      </logic:iterate>- Hide quoted text -

- Show quoted text -


hi,
now when i am trying with the same code what you have given,its
throwing an exception "Cannot find bean: "mapEntry" in any scope".why
it is so?
thanks,
vysh.

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