Display JSP Table using JSTL while iterating multiple objects
Question
I am actually still a starter in this java ee stuff, and I have managed to get quite far still..
I will try to explain my problem the simplest way I can so bear with me.. :)
I am using my Servlet "MajTablesController.java" to retrieve object info ( name, ref etc.. ) from multiple objects [ The Goal is to show a Table that gathers all of this information into one object ]
Using the same servlet i Send a List as a Session Attribute named " Resultat " which contains itself list of the different objects mentionned before.
So to sum up, My List Resultat ( which is received by my JSP ) contains 4 ListObjects.
The problem is when creating the table, i need to use multiple loops in order to retrieve the data from the different objects, no matter how i place the forEach tags, i can't manage to get the table the right way ( see pics ), and I end up either getting all of the info in one line or one column...
To help you visualise more clearly what is happening, here is an example of what i Am getting with this code :
Code:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ page import="com.estia.tai.UsersBeanModel"%>
<%@ page import="com.estia.tai.EchantillonBeanModel"%>
<%@ page import="java.sql.*"%>
<%@ page import="com.estia.tai.BDDConnect"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<link rel="stylesheet" type="text/css" media="screen"
href="../css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" media="screen"
href="../css/styles.css">
<script src="../js/scripts.js"></script>
<script src="https://code.jquery.com/jquery-1.10.2.js"
type="text/javascript"></script>
<link rel="stylesheet"
href="https://unpkg.com/bootstrap-table@1.13.4/dist/bootstrap-table.min.css">
<script
src="https://unpkg.com/bootstrap-table@1.13.4/dist/bootstrap-table.min.js"></script>
<head>
</head>
<div class="container-fluid">
<div class="col-md-12">
<div class="table-responsive table-dark" id="preptable">
<table class="table table-bordered table-hover text-center"
data-toggle="" data-search="false" data-filter-control="true"
data-show-export="true" data-click-to-select="true">
<thead>
<tr class="">
<th data-field=id data-filter-control="select"
data-sortable="true">Id Commande</th>
<th data-field=echantillons data-filter-control="select"
data-sortable="true">Echantillons</th>
<th data-field=conditionnement data-filter-control="select"
data-sortable="true">Conditionnement</th>
<th data-field=transporteur data-filter-control="select"
data-sortable="true">Transporteur</th>
<th data-field=etat data-filter-control="select"
data-sortable="true">Etat</th>
<th data-field=date data-filter-control="select"
data-sortable="true">Date</th>
<th data-field=client data-filter-control="select"
data-sortable="true">Clientss</th>
</tr>
</thead>
<tbody>
<c:forEach items="${Resultat}" var="variable">
<tr>
<td><a href="../CommandeVueController?id=${variable.id}">${variable.id}</a></td>
<td>${variable.echantillonRef}</td>
<td>${variable.conditionnement}</td>
<td><a
href="../TransporteurVueController?id=${variable.transporteurId}">${variable.transporteur}</a></td>
<td>${variable.etat}</td>
<td>${variable.date}</td>
<td>${variable.client}</td>
</tr>
</c:forEach>
</tbody>
</table>
</div>
<!--end of .table-responsive-->
<script>
var $table = $('#preptable');
$(function() {
$('#toolbar').find('select').change(function() {
$table.bootstrapTable('refreshOptions', {
exportDataType : $(this).val()
});
});
})
var trBoldBlue = $("preptable");
$(trBoldBlue).on("click", "tr", function() {
$(this).toggleClass("bold-blue");
});
$(document)
.ready(
function() {
td_array = document
.getElementsByTagName("td");
check_prep = "En preparation";
for (i = 0; i < td_array.length; i++) {
if (td_array[i].textContent == check_prep) {
td_array[i].style.backgroundColor = "#FF8C00";
}
;
}
;
});
</script>
</div>
</div>
TablePrep.jsp What it actually shows : https://screenshotscdn.firefoxusercontent.com/images/2e48ceaf-3cd6-422a-a21c-b01d215b5d0e.png
The Goal is to have each item of the lists below have its own Row ( just like a table )
Notice that the prepTable methods ( which gather and coordinate info from other objects ) sends Lists in their getters methods, which explains why we have lists in the table.
!ServletSide
BDDConnect connexionBDDModele = new BDDConnect();
Connection connection = connexionBDDModele.getConnexion();
List<PrepTableVueModel> prepTableList = new ArrayList<PrepTableVueModel>();
int TransporteurId = 0;
if (request.getSession().getAttribute("p") == "p") {
PrepTableVueModel prepTable = new PrepTableVueModel();
//request.getSession().setAttribute("commandeResultat", CommandeDAOModel.lireList());
//request.getSession().setAttribute("echantillonResultat", EchantillonDAOModel.lireListe());
//request.getSession().setAttribute("conditionnementResultat", ConditionnementDAOModel.lireListe());
//request.getSession().setAttribute("clientResultat", ClientDAOModel.lireListe());
//request.getSession().setAttribute("transporteurResultat", TransporteurDAOModel.lireListe());
prepTable.addCommande(CommandeDAOModel.lireList());
for (int i = 0 ; i < CommandeDAOModel.lireList().size(); i++) {
prepTable.addEchantillon(EchantillonDAOModel.lireListeEch(CommandeDAOModel.lireList().get(i).getId()));
}
for (int i = 0 ; i< prepTable.EchantillonList.size(); i++) {
prepTable.addEchantillonRef(EchantillonDAOModel.lireListeEchFinal(prepTable.EchantillonList.get(i)));
}
for (int i =0; i < prepTable.EchantillonListRef.size(); i++) {
}
//prepTable.addConditionnement(ConditionnementDAOModel.lireListe());
//prepTable.addClient(ClientDAOModel.lireListe());
//prepTable.addTransporteur(TransporteurDAOModel.lireListe());
System.out.println(prepTable.getId() + "id dans le maj ");
System.out.println(prepTable.getEchantillon() + "ech dans le maj ");
prepTableList.add(prepTable);
request.getSession().setAttribute("Resultat", prepTableList);
request.getRequestDispatcher("/panel/tableprep.jsp").forward(request, response);
I have tried to, Instead of returning Lists of elements from PrepTable, to return individual elements but without success..
1 answers
solution1
0 ACCPTED 2019-02-17 13:56:49
I have managed to get it right, The trick was to send an additionnal string attribute to the JSP page indicating the number of elements i had ( to setup the loop ) The code becomes :
Blockquote
<tbody>
<c:forEach begin="0" end="${ResultNumberCom}" varStatus="loop">
<c:forEach items="${Resultat}" var="variable">
<tr>
<td><a href="../CommandeVueController?id=${variable.id[loop.index]}">${variable.id[loop.index]}</a></td>
<td>${variable.echantillonRef[loop.index]}</td>
<td>${variable.conditionnement[loop.index]}</td>
<td><a
href="../TransporteurVueController?id=${variable.transporteurId[loop.index]}">${variable.transporteur[loop.index]}</a></td>
<td>${variable.etat[loop.index]}</td>
<td>${variable.date}[loop.index]</td>
<td>${variable.client}</td>
</tr>
</c:forEach>
</c:forEach>
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