Send dynamically created table information to java servlet - no javascript/jquery

Question

I currently have the following in a jsp file:

<c:choose>
    <c:when test = "${fn:length(song.songInfo) > 0}">   
        <form action='cart' method='POST'>
            <table style="width:1000px" style="text-align:center">
                <tr>
                    <th>Song Title</th>
                    <th>Song Artist</th>
                    <th>Album Title</th>
                    <th>Genre</th>
                    <th>Publisher</th>
                    <th>Year</th>
                    <th>Price</th>
                    <th>Select ?</th>
                </tr>
                <c:forEach var="item" items="${song.songInfo}"> 
                    <c:set var="split" value="${fn:split(item,';')}" /> 
                    <tr>
                      <td>${split[0]}</td>
                      <td>${split[1]}</td> 
                      <td>${split[2]}</td>
                      <td>${split[3]}</td>
                      <td>${split[4]}</td>
                      <td>${split[5]}</td>
                      <td>${split[6]}</td>
                      <td>${split[7]}</td>
                      <td><input type="checkbox" name="songInfo" value="${split[0]} "></td>
                    </tr>   
            </c:forEach>
            </table>
            <input type="submit" value="Add to Cart"/>
        </form>

    </c:when>
    <c:otherwise>
        <p>No results found</p>
    </c:otherwise>
</c:choose>

I want to send the <td> items to a Java servlet IF the corresponding checkbox for the row that has been ticked.

I'm using strCheckBoxValue = request.getParameter("songInfo"); in my servlet but this will only retrieve one string.

Could someone suggest a way that I could send all the information to the servlet for any number of rows in the table WITHOUT using javascript/JQuery?

Thank you for your help.

without javascript? Only thing I can think of is by putting it ina form and posting it to the server and do all the checks serverside. Ie check if the checkbox is ticked etc. — JanR
– JanR, Commented Apr 9, 2014 at 1:55

david brainerd · Accepted Answer · 2014-04-09 06:18:29Z

2

You can either give each TD a corresponding hidden input with a name, so that it will be submitted with the form:

<td>${split[0]}<input type='hidden' name='split0' value='${split[0]}' /></td>
<td>${split[1]}<input type='hidden' name='split1' value='${split[1]}' /></td>

Or just give the TDs visible inputs:

<td><input type='text' name='split0' value='${split[0]}' /></td>
<td><input type='text' name='split1' value='${split[1]}' /></td>

If you give each one a unique name (as I did above), then in your servlet:

String split0 = request.getParameter("split0"); 
String split1 = request.getParameter("split1");

If you give them all the same name, i.e. name='split':

String[] split = request.getParameterValues("split");

edited Apr 9, 2014 at 6:18

answered Apr 9, 2014 at 4:06

david brainerd

2061 silver badge5 bronze badges

Sign up to request clarification or add additional context in comments.

3 Comments

user2268507 Over a year ago

Thanks David. But how do I check that the checkbox in each row has been ticked? And also, how do I get subsequent rows? Thanks for your help.

user2268507 Over a year ago

Oh right.. yes I got that. Sorry, what I meant was, how do I obtain the information from other rows? Because I am creating these rows dynamically, how would I select the 2nd or 3rd o 5th row for example.

david brainerd Over a year ago

I would give the rows in the various fields a rownum in the name. <input name='variablex_row1' /> In the servlet you can do a for loop on a variable i with request.getParameter("variablex_row"+i);

Collectives™ on Stack Overflow

Send dynamically created table information to java servlet - no javascript/jquery

1 Answer 1

3 Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

3 Comments

Your Answer

Sign up or log in

Post as a guest

Related