In your servlet code, override the doGet() method and use the
HttpServletRequest request object to query on the names of the buttons
(btn_1, btn_2). The value of the button should be returned, but you can do
an easy 'if not null check' and avoid string comparisons altogether. When
you have verified a certain button has been pressed, take some action (like
call another method). Since no two buttons can be clicked at the same time,
this is a pretty safe test. Here's some code:
public class HandleButtons extends HttpServlet
{
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException
{
String btn1 = request.getParameter("btn_1");
String btn2 = request.getParameter("btn_2");
if (btn1 != null)
{
// do something for button 1
}
else if (btn2 != null)
{
// do something for button 2
}
}
}
Something similar to that should be what you're interested in
Erik Sahl
[EMAIL PROTECTED]
> -----Original Message-----
> From: A mailing list for discussion about Sun Microsystem's Java Servlet
> API Technology. [mailto:[EMAIL PROTECTED]]On Behalf Of Jose
> Miguel Rodriguez
> Sent: Monday, March 06, 2000 9:36 AM
> To: [EMAIL PROTECTED]
> Subject: How to know which form button was pressed?
>
>
> Hello all,
>
> I'm developing a mini applications server for internal purposes,
> and now I'm
> facing with a problem: suppose I have the following html code:
>
> <form action=/servlet/.....>
> <input type="SUBMIT" NAME="btn_1" VALUE="First button">
> <input type="SUBMIT" NAME="btn_2" VALUE="Second button">
> </form>
>
> How do I know when user press the 1st or the 2nd button?
>
> Thanks in advanced
>
>
> --
>
> saludos,
> jmiguel
>
> Virtual Software,
> http://www.virtualsw.es/
> ICQ 13550064
>
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