Accessing HTML-Input field arrays in Java Servlet / Structure of the input fields

Question

I've got a dynamic number of fieldsets with 3 input fields each ordered differently, for example:

<fieldset>
  <input type="text" name="fieldset[1][valueA]">
  <input type="text" name="fieldset[1][valueB]">
  <input type="text" name="fieldset[1][valueC]">
</fieldset>
<fieldset>
  <input type="text" name="fieldset[2][valueC]">
  <input type="text" name="fieldset[2][valueB]">
  <input type="text" name="fieldset[2][valueA]">
</fieldset>

I would like to access these fields within a Java servlet in a loop, but I don't know how to adress these fields.

It would be possible with the input's name this way

fieldset[n][]

and a loop this way (to access the fields of fieldset[1]

String[] elements;
elements = request.getParameterValues("fieldset[1]");
for(int i = 0; i < elements.length; i++) {
out.write(elements[i]);
}

But is there any way I can do this and at the same time keep the information in the second bracket?

Community · Accepted Answer · 2017-05-23 11:56:23Z

0

It seems The using [] notation causing the problem .

The HttpServletRequest.getParameterValues() can loop like in the below link.

check this answer

edited May 23, 2017 at 11:56

CommunityBot

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answered Feb 12, 2013 at 10:36

Suresh Atta

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