Pass two parameters via href

[fabio alonso]

I'm doing a search in a query, and sending the parameter via a link (href)

example:

 

 ....  
   <c:when test="${sessionScope.setVariable=='02010'}">    
         <a href="file_atual.jsp?cod=02010||cod=02011"></a>    
                </c:when>    
 <c:when test="${sessionScope.setVariable=='02010'}"> <a href="file_atual.jsp?cod=02010"></a> </c:when> ...  
 ... 

   

Problem we have to send (the above example) code: 02 010 and also the code: 02 011 ... but I can only send one value

Is there any way to do this?

thanks

[Carol Enderlin]

Not sure what you are trying to do with ||, did you try separating params with &?

"file_atual.jsp?cod=02010&cod=02011"

[David Newton]

Use "&", the normal HTTP character for sending multiple request parameters?

[fabio alonso]

When I use this::

  

<a href="file_atual.jsp?cod=02010&cod=02011"

The link only shows the list of codes: 02010

[David Newton]

I find that difficult to believe.

[fabio alonso]

He just picks up the first code.

If I put the 02 011 first, it shows the list of this code, or the opposite!

But what I need is that it displays the list with the two codes (02 010 and 02 011)....:/

[Carol Enderlin]

Show your code. In code tags.

[fabio alonso]

Here:

...
<c:when test="${sessionScope.setVariable=='02010'}">
                <a href="file_atual.jsp?cod=02010&cod=02011"><img align="center" src="<c: out value="${caminho}"/>images/matriz.jpg"/></a>
                </c:when>
...
    

Another page(file_atual.jsp)

  
..
<c:set var="setVariable" value="${cod}" scope="session" />
..
 

[Carol Enderlin]

How are you getting cod in file_atual.jsp?

[Michael Angstadt]

Use the HttpServletRequest.getParameterValues() method to get all the values for a particular parameter name. In EL, use the "paramValues" implicit object.

[fabio alonso]

The correct code is being sent, because I tried using the line below:

Jsp receives the code

   
..
 <c:out value="${cod}">
..
 

I think the problem is being at the time of delivery, because the link is not accepting the same line with two parameters:

[Michael Angstadt]

Your link looks fine, although, it would be better practice to use the <c:url> tag:

<c:url value="file_atual.jsp" var="theUrl">
  <c:param name="cod" value="02010" />
  <c:param name="cod" value="02011" />
</c:url>
<a href="${theUrl}"></a>

The code that is creating the "cod" attribute is probably not getting all the values of the attribute. It's probably using the getParameter() method instead of the getParameterValues() method. (Also, note that the code sample you posted is outputting an attribute, NOT a parameter. To output a parameter in EL, you would use the "param" and "paramValues" implicit objects)

[David Newton]

Starting over.

If you have a link with "?cod=1234&cod=5678" they're both going to be sent, period. How, *specifically*, are you trying to read them?

[Hebert Coelho]

David Newton wrote:Starting over.

If you have a link with "?cod=1234&cod=5678" they're both going to be sent, period. How, *specifically*, are you trying to read them?

I believe is that what David is asking is, how is your code to get those parameters?

Like:

var1 = request.getParameter('cod');

[fabio alonso]

This,

   

<c: set var="setVariable" value="${cod}" scope="session" />

 

[fabio alonso]

source complete,

..JSP that takes the values

 
<%
     String estoque = request.getParameter("cod");
     request.setAttribute("cod", estoque);
%>

<c:set var="setVariable" value="${cod}" scope="session" />

<sql:query dataSource="jdbc/matriz" var="estoque">
       SELECT estoque, registro, grupo, padrao, descricao
       FROM estoque
       WHERE registro = ?
      <sql:param value="${registro}"/>
</sql:query>

[David Newton]

As has been pointed out, since there are multiple values, you'd need to use getParameterValues.

[fabio alonso]

. i try in my JSP that takes the values

...
..
String filial []= request.getParameterValues("cod");
            request.setAttribute("cod", filial);

            String register = filial.substring(0, 2);
            request.setAttribute("register", register);

    
<c:set var="setVariable" value="${cod}" scope="session" />
..

But....is wrong :/

[David Newton]

Yes, it is. I'm not sure what else to tell you; you don't show us how you try to *use* the variable, so...

Good luck!

[fabio alonso]

ok..this right now

code correct:

 
..
String filial []= request.getParameterValues("cod");
            request.setAttribute("cod", filial);

            String register = filial[0].substring(0, 2);
            request.setAttribute("register", register);

 

thanks..