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Problème de classement de moyennes

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msi79 Messages postés 509 Date d'inscription lundi 24 août 2009 Statut Membre Dernière intervention 2 mai 2023 - 19 déc. 2017 à 22:55
msi79 Messages postés 509 Date d'inscription lundi 24 août 2009 Statut Membre Dernière intervention 2 mai 2023 - 26 déc. 2017 à 00:55
Bonjour,
je comprends pas pourquoi mon classement est melangé .

voici la rêquête qui est juste : 
 echo $requete = "SELECT * 
            FROM tb_classement MM
			     ,inscription I
            WHERE   MM.classe = '".$classe."'
			AND     MM.id_elv = I.id_inscri
			AND     MM.id_matiere = '".$id_matiere."'
			AND     MM.perode = '{$trim}'
			AND     MM.promo = '{$promo}'
			GROUP BY MM.id_elv
			ORDER BY Moyenne DESC, MM.id_elv DESC
			";

quand je l'execute en directe en faisant : 
SELECT *
 FROM tb_classement MM
          ,inscription I 
WHERE MM.classe = '3' 
AND MM.id_elv = I.id_inscri 
AND MM.id_matiere = '52' 
AND MM.perode = 'TRIM1' 
AND MM.promo = '2017-2018' 
GROUP BY MM.id_elv 
ORDER BY Moyenne DESC, MM.id_elv DESC


ca me donne :


voici tout le code : 
<?php if(isset($_GET['classe'])) $classe = urldecode($_GET['classe']); ?>
<?php if(isset($_GET['promo'])) $promo = urldecode($_GET['promo']); ?>
<?php if(isset($_GET['trim'])) $trim = urldecode($_GET['trim']);

if(isset($_GET['matiere']))  $matiere = urldecode($_GET['matiere']); 
$matieres = explode("/",$matiere);
$id_matiere = $matieres["0"];
$matiere = $matieres["1"]; ?>
<?php 
// on crée la requête SQL
                            $sql = "SELECT * 
									FROM classes C
									WHERE  C.id = '".$classe."'
									 ";
//$sql = "SELECT * FROM inscription WHERE niv_act = '".$desgn."'  ORDER BY nom";
// on envoie la requête
$req = mysql_query($sql) or die('Erreur SQL !<br>'.$sql.'<br>'.mysql_error());
$res = mysql_num_rows($req);  
$rows = mysql_fetch_assoc($req);                             // 4 
?> 
<!DOCTYPE html>
<html lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <!-- Meta, title, CSS, favicons, etc. -->
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">

    <title>LISTE DE CLASSE</title>

    <!-- Bootstrap -->
    <link href="vendors/bootstrap/dist/css/bootstrap.min.css" rel="stylesheet">
    <!-- Font Awesome -->
    <link href="vendors/font-awesome/css/font-awesome.min.css" rel="stylesheet">
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    <link href="vendors/nprogress/nprogress.css" rel="stylesheet">
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    <link href="vendors/iCheck/skins/flat/green.css" rel="stylesheet">
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    <!-- Custom Theme Style -->
    <link href="build/css/custom.min.css" rel="stylesheet">
  </head>

  <body class="nav-md">
    <div class="container body">
      <div class="main_container">
        <div class="col-md-3 left_col">
          <div class="left_col scroll-view">
            

            <!-- menu profile quick info -->
                <?php  include("menu/menu_profil.php");?>
            <!-- /menu profile quick info -->

            <br />

            <!-- sidebar menu -->
               <?php include("menu/menu.php");?>
            <!-- /sidebar menu -->

            <!-- /menu footer buttons -->
                 <?php  include("menu/footer.php"); ?>
            <!-- /menu footer buttons -->
          </div>
        </div>

        <!-- top navigation -->
                   <?php  include("menu/menu_bar.php"); ?>
        <!-- /top navigation -->

        <!-- page content -->
        <div class="right_col" role="main">
          <div class="">
            <div class="page-title">
              <div class="title_left">
               
              </div>

              <div class="title_right">
                <div class="col-md-5 col-sm-5 col-xs-12 form-group pull-right top_search">
                  <div class="input-group">
                    <input type="text" class="form-control" placeholder="Search for...">
                    <span class="input-group-btn">
                      <button class="btn btn-default" type="button">Go!</button>
                    </span>
                  </div>
                </div>
              </div>
            </div>

            <div class="clearfix"></div>

            <div class="row">
              <div class="col-md-12 col-sm-12 col-xs-12">
                <div class="x_panel">
                  <div class="x_title">
                    <h2>CLASSE DE <?php  echo $rows["desgn"];?>  <small>/ <?php  echo $trim;?>/MATIERE:  <?php  echo $matiere;?></small></h2>
                    <ul class="nav navbar-right panel_toolbox">
                      <li><a class="collapse-link"><i class="fa fa-chevron-up"></i></a>
                      </li>
                      <li class="dropdown">
                        <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false"><i class="fa fa-wrench"></i></a>
                        <ul class="dropdown-menu" role="menu">
                          <li><a href="#">Settings 1</a>
                          </li>
                          <li><a href="#">Settings 2</a>
                          </li>
                        </ul>
                      </li>
                      <li><a class="close-link"><i class="fa fa-close"></i></a>
                      </li>
                    </ul>
                    <div class="clearfix"></div>
                  </div>
                  <div class="x_content">
                   
                    <table id="datatable-buttons" class="table table-striped table-bordered">
                      <thead>
                        <tr>
                          <th width="53" align="center">N°</th>
                          <th width="104" align="center">MATRICULE</th>
                          <th width="141" align='left'>NOM</th>
                          <th width="377" align='left'>PRENOMS</th>
                          <th width="49" align="center">SEXE</th>
                          <th width="45" align="center">AGE</th>
                          <th width="47" align="center">MOY </th>
                          <th width="64" align="center">RANG</th>
                         </tr>
                      </thead>

<?php

//	include('core/db/connexion.php');
	
	$moyennes = array();
	
/*	$requete = "SELECT N.id_elv
              ,N.id_matiere
			  ,N.coeff
			  ,SUM(N.note) as somme_Notes
			  ,COUNT(N.note) nb_Notes
			  ,SUM(N.note*N.coeff)/SUM(N.coeff) as moyenne
			  ,I.id_inscri 
			  ,I.matricule 
			  ,I.nom 
			  ,I.prenom 
			  ,I.sexe 
			  ,I.date_naiss 
			  ,M.groupe
		FROM notes N ,inscription I,matieres M,classes C
		WHERE   C.id = '".$classe."'
		AND     C.desgn = N.class
		AND     M.id = N.id_matiere
		AND     N.id_elv = I.id_inscri
		AND     M.matiere = '".$matiere."'
		AND     N.trim = '{$trim}'
		AND     N.annee_scol = '{$promo}'
		GROUP BY N.id_elv
		ORDER BY Moyenne DESC, N.id_elv DESC
			";*/
 echo $requete = "SELECT * 
            FROM tb_classement MM
			     ,inscription I
            WHERE   MM.classe = '".$classe."'
			AND     MM.id_elv = I.id_inscri
			AND     MM.id_matiere = '".$id_matiere."'
			AND     MM.perode = '{$trim}'
			AND     MM.promo = '{$promo}'
			GROUP BY MM.id_elv
			ORDER BY Moyenne DESC, MM.id_elv DESC
			";
			
//$query = mysql_query($sql) or die("error");
//$requete = "SELECT * FROM moyenne ORDER BY moyenne DESC";
	
	$resultat = mysql_query($requete);
	//echo  $requete;
	$i = 0;
		while( $row = mysql_fetch_array($resultat)):
	
		//echo "<h3>Moyenne de l'eleve $i : ".$row['moyenne']."</h3><br/>";
		$moyennes[] = $row['moyenne'];
		$noms[] = $row['nom'];
		$prenoms[] = $row['prenom'];
		$matricules[] = $row['matricule'];
		$sexes[] = $row['sexe'];
		$ages[] = $row['date_naiss'];
		$groupes[] = $row['groupe'];
		$coeffs[] = $row['coeff'];
		
		$i++;

	endwhile;
	
	for($b = 0; $b < $i; $b++):
		
		//echo "<h3>Moyenne de l'eleve $b : ".$moyennes[$b]."</h3><br/>";
		
	endfor;
	
	//$max = $moyennes[0];
	
	for($b = 0; $b < $i; $b++):
	
		for($c = 0; $c < $i; $c++):
		
			if($moyennes[$c+1]>$moyennes[$c]):
				$ech = $moyennes[$c+1];
				$moyennes[$c+1] = $moyennes[$c];
				$moyennes[$c] = $ech;
			endif;
	
		endfor;
	
	endfor;
	
	//echo "<hr/><br/><hr/>";
	
	$c = 1;
	
	$rangPrecedent = "";
	
	for($b = 0; $b < $i; $b++):
	
		//echo $b;
		
		
		if($b == 0):
?>
<tr style="font-family:Georgia, 'Times New Roman', Times, serif; font-size:14px; ">
      <td width="53" align="center"><?php  echo $c;?></td>
      <td width="104" align="center"><?php echo $matricules[$b];  ?></td>
      <td width="141" align="left"><?php  echo $noms[$b]; ?></td>
      <td width="377" align='left'><?php echo $prenoms[$b];  ?></td>
      <td width="49" align='center'><?php  echo $sexes[$b]; ?></td>
      <td width="45" align="center"><?php  echo $ages[$b]; ?></td>
      <td width="47" align="center"><?php  $classement = number_format($moyennes[$b],2); echo $classement; ?></td>
      <td width="64" align="center"><?php  echo $c ." er" ?> </td>
      
  </tr>
  
<?php   
$rangPrecedent = $c;
		else:
			if($moyennes[$b-1] == $moyennes[$b]):
?>
<tr style="font-family:Georgia, 'Times New Roman', Times, serif; font-size:14px; ">
      <td width="53" align="center"><?php  echo $c;?></td>
    <td width="104" align="center"><?php echo $matricules[$b];  ?></td>
      <td width="141" align="left"><?php  echo $noms[$b]; ?></td>
      <td width="377" align='left'><?php echo $prenoms[$b];  ?></td>
      <td width="49" align='center'><?php  echo $sexes[$b]; ?></td>
      <td width="45" align="center"><?php  echo $ages[$b]; ?></td>
      <td width="47" align="center"><?php  $classement = number_format($moyennes[$b],2); echo $classement; ?></td>
      <td width="64" align="center"><?php  echo $rangPrecedent ." ex " ?> </td>
      
  </tr>
			
<?php 

			else:
?>
<tr style="font-family:Georgia, 'Times New Roman', Times, serif; font-size:14px; ">
      <td width="53" align="center"><?php  echo $c;?></td>
    <td width="104" align="center"><?php echo $matricules[$b];  ?></td>
      <td width="141" align="left"><?php  echo $noms[$b]; ?></td>
      <td width="377" align='left'><?php echo $prenoms[$b];  ?></td>
      <td width="49" align='center'><?php  echo $sexes[$b]; ?></td>
      <td width="45" align="center"><?php  echo $ages[$b]; ?></td>
      <td width="47" align="center"><?php  $classement = number_format($moyennes[$b],2); echo $classement; ?></td>
      <td width="64" align="center"><?php  echo $c ." e " ?> </td>
      
  </tr>

<?php 


				$rangPrecedent = $c;
			endif;
		endif;
		
		$c++;
		
	endfor;
	


?>

                 </table>
                  </div>
                </div>
              </div>
            </div>
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          <?php  include("menu/footer2.php"); ?>
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voici un aperçu du faut classement

1 réponse

Réponse 1 / 1
jordane45 Messages postés 38144 Date d'inscription mercredi 22 octobre 2003 Statut Modérateur Dernière intervention 21 avril 2024 344
19 déc. 2017 à 23:44
Bonjour,

Ton souci c'est que tes moyennes ne sont pas classées c'est bien ça ???

Et donc... le souci vient de ta requête SQL ... n'est-ce pas ?
Dans ce cas... pourquoi postes tu ta question dans le forum PHP ????????????
Ca fait combien de fois que je te l'explique ?
=> Problème de requête ->> Forum SQL

Bref....
As tu essayé d'inverser l'ordre de tes ORDER BY dans ta requête ?? 

SELECT *
 FROM tb_classement MM
 LEFT JOIN inscription I  ON MM.id_elv = I.id_inscri 
WHERE MM.classe = '3' 
AND MM.id_matiere = '52' 
AND MM.perode = 'TRIM1' 
AND MM.promo = '2017-2018' 
GROUP BY MM.id_elv 
ORDER BY Moyenne DESC

0
msi79 Messages postés 509 Date d'inscription lundi 24 août 2009 Statut Membre Dernière intervention 2 mai 2023 1
26 déc. 2017 à 00:55
Bonsoir,
une fois encore merci Jordane45.
ça marche en inversant
0

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