faire la somme d'une colonne

**jules_diedhiou** · 21/12/2011, 11h10

Bonjour,

J'ai un souci a faire la somme d'une colonne de x nombre de ligne...Voici le code de mon formulaire:

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Document sans titre</title>
<script language="javascript">
var index = 0;
function loadData(valeur, indexLine) {
	var data ;
	var url = "ajax.php?reference=" + valeur;
	if(window.XMLHttpRequest) // FIREFOX
		xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // IE
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else return(false);
	xhr_object.open("GET", url, false);
	xhr_object.send(null);
	if(xhr_object.readyState == 4) {
		//alert(xhr_object.responseText);
		data = eval(xhr_object.responseText);
		document.getElementById("designation[" + indexLine + "]").value = data[1];
		val_tarif=document.getElementById("tarif[" + indexLine + "]").value = data[2];
		document.getElementById("colis[" + indexLine + "]").value = data[3];	
		document.getElementById("punet[" + indexLine + "]").value = data[2];
		document.getElementById("total[" + indexLine + "]").value = data[2];
	document.getElementById("montant_total").value = data[2];		
	} else return(false);
}
function calcul_remise(value,indexLine){
	var val_tarif=document.getElementById("tarif[" + indexLine + "]").value
	var val_remise = document.getElementById("remise[" + indexLine + "]").value;
	val_punet = val_tarif - (val_tarif*val_remise*1/100);
document.getElementById("punet[" + indexLine + "]").value = val_punet;
var quantite = document.getElementById("quantite[" + indexLine + "]").value;
 
var prix_total = quantite * val_punet;
document.getElementById("total[" + indexLine + "]").value = prix_total;
document.getElementById("montant_total").value = prix_total;	
 
//alert(val_tarif);
	}
	function calcul_quantite(value,indexLine){
	var val_punet=document.getElementById("punet[" + indexLine + "]").value
var quantite = document.getElementById("quantite[" + indexLine + "]").value;
 
var prix_total = quantite * val_punet;
document.getElementById("total[" + indexLine + "]").value = prix_total;
//alert(val_tarif);
 
	}
function addLine() {
	var newRow = document.getElementById('matable').insertRow(-1);
	var reference = newRow.insertCell(0);
	reference.innerHTML = '<input type="text" id="reference['+ index + ']" name="reference['+ index + ']" onChange="loadData(this.value, '+ index +')" />';
	var designation = newRow.insertCell(1);
	designation.innerHTML = '<input type="text" id="designation['+ index + ']"  name="designation['+ index + ']" readonly />';
	var quantite = newRow.insertCell(2);
	quantite.innerHTML = '<input type="text" id="quantite['+ index + ']" name="quantite['+ index + ']" value="1" onChange="calcul_quantite(this.value, '+ index +')" OnKeyUp = "somme()" />';
	var colis = newRow.insertCell(3);
	colis.innerHTML = '<input type="text" id="colis['+ index + ']" name="colis['+ index + ']" value="" />';
	var remise = newRow.insertCell(4);
	remise.innerHTML = '<input type="text" id="remise['+ index + ']" name="remise['+ index + ']" value="" onChange="calcul_remise(this.value, '+ index +')" />';
	var tarif = newRow.insertCell(5);
	tarif.innerHTML = '<input type="text" id="tarif['+ index + ']" name="tarif['+ index + ']" value="" readonly  />';
	var punet = newRow.insertCell(6);
	punet.innerHTML = '<input type="text" id="punet['+ index + ']" name="punet['+ index + ']" value="" />';
	var total = newRow.insertCell(7);
	total.innerHTML = '<input type="text" id="total['+ index + ']" name="total['+ index + ']" value="" />';
	index++;
}
function deleteLine() {
	var nb = document.getElementById('matable').rows.length;
document.getElementById('matable').deleteRow(-1);
}
function somme(){
	var n = index;
	//alert(n);
while ( document.getElementById("total[" + n + "]") )
		{	
		//alert(document.getElementById("total[" + n + "]"));
		document.getElementById("montant_total").value=
					parseInt(document.getElementById("montant_total").value)+
					parseInt(document.getElementById("total[" + n + "]").value);
			n++;
		}
}
</script>
</head>
 
<body>
 
<form method="post" action="commande.php">
<table id="matable" width="1048" border="0">
 
  <tr>
    <td width="111"><strong>REFERENCE</strong></td>
    <td width="131"><strong>DESIGNATION</strong></td>
    <td width="66"><strong>Quantité</strong></td>
    <td width="94"><strong>COLIS</strong></td>
    <td width="138"><strong>Remise(%)</strong></td>
    <td width="157"><strong>TARIF(FCFA)</strong></td>
    <td width="143"><strong>PU NET (FCFA)</strong></td>
    <td width="174"><strong>TOTAL (FCFA)</strong></td>
  </tr>
 
</table>
<table width="1367" id="matable2">
  <tr>
    <td width="87"></td>
    <td width="103"></td>
    <td width="51"></td>
    <td width="73"></td>
    <td width="108"></td>
    <td width="124"></td>
    <td width="157"></td>
     <td width="291"></td>
    <td width="333"><strong>Montant Total:</strong><input type="text" id="montant_total" name="montont_total" value="" /></td>
  </tr>
</table>
<input type="button" name="button" id="button" value="Ajouter" onClick="addLine()" />
<input type="button" name="button3" id="button3" value="Supprimer" onClick="deleteLine()" />
<input type="submit" name="button2" id="button2" value="Valider" />
 
</form>
</body>
</html>

**Rachel** · 21/12/2011, 11h43

dis moi si je me trompe, mais je ne vois qu'un id total[n], donc ta somme aura toujours la même valeur

**jules_diedhiou** · 21/12/2011, 12h02

L'id total[n] est la somme de chaque ligne et l'id montant_total est la somme total des total[n].je veux que a chaque fois qu'on change la quantité ou la remise que le montant_total change en fonction aussi

**Rachel** · 21/12/2011, 12h50

en fait, modifie ta fonction somme :

Code :

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function somme(){
	var n = 0;
document.getElementById("montant_total").value = 0;
	//alert(n);
while ( document.getElementById("total[" + n + "]") )
		{	
		//alert(document.getElementById("total[" + n + "]"));
		document.getElementById("montant_total").value=
					parseInt(document.getElementById("montant_total").value)+
					parseInt(document.getElementById("total[" + n + "]").value);
			n++;
		}
}

ceci devrait fonctionner

**jules_diedhiou** · 21/12/2011, 13h16

Probléme résolu voici le code pour ceux qui aurant le méme probléme:

Code :

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<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Document sans titre</title>
<script language="javascript">
var index = 0;
function loadData(valeur, indexLine) {
	var data ;
	var url = "ajax.php?reference=" + valeur;
	if(window.XMLHttpRequest) // FIREFOX
		xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // IE
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else return(false);
	xhr_object.open("GET", url, false);
	xhr_object.send(null);
	if(xhr_object.readyState == 4) {
		//alert(xhr_object.responseText);
		data = eval(xhr_object.responseText);
		document.getElementById("designation[" + indexLine + "]").value = data[1];
		val_tarif=document.getElementById("tarif[" + indexLine + "]").value = data[2];
		document.getElementById("colis[" + indexLine + "]").value = data[3];	
		document.getElementById("punet[" + indexLine + "]").value = data[2];
		document.getElementById("total[" + indexLine + "]").value = data[2];
	var n = 0;
	//alert(n);
	document.getElementById("montant_total").value = 0;
while ( document.getElementById("total[" + n + "]") )
		{	
		//alert(document.getElementById("total[" + n + "]"));
		document.getElementById("montant_total").value=
					parseInt(document.getElementById("montant_total").value)+
					parseInt(document.getElementById("total[" + n + "]").value);
			n++;
		}	
 
	} else return(false);
}
function calcul_remise(value,indexLine){
	var val_tarif=document.getElementById("tarif[" + indexLine + "]").value
	var val_remise = document.getElementById("remise[" + indexLine + "]").value;
	val_punet = val_tarif - (val_tarif*val_remise*1/100);
document.getElementById("punet[" + indexLine + "]").value = val_punet;
var quantite = document.getElementById("quantite[" + indexLine + "]").value;
 
var prix_total = quantite * val_punet;
document.getElementById("total[" + indexLine + "]").value = prix_total;
document.getElementById("montant_total").value = prix_total;	
 
//alert(val_tarif);
	}
	function calcul_quantite(value,indexLine){
	var val_punet=document.getElementById("punet[" + indexLine + "]").value
var quantite = document.getElementById("quantite[" + indexLine + "]").value;
 
var prix_total = quantite * val_punet;
document.getElementById("total[" + indexLine + "]").value = prix_total;
//alert(val_tarif);
	var n = 0;
	//alert(n);
	document.getElementById("montant_total").value = 0;
while ( document.getElementById("total[" + n + "]") )
		{	
		//alert(document.getElementById("total[" + n + "]"));
		document.getElementById("montant_total").value=
					parseInt(document.getElementById("montant_total").value)+
					parseInt(document.getElementById("total[" + n + "]").value);
			n++;
		}
	}
function addLine() {
	var newRow = document.getElementById('matable').insertRow(-1);
	var reference = newRow.insertCell(0);
	reference.innerHTML = '<input type="text" id="reference['+ index + ']" name="reference['+ index + ']" onChange="loadData(this.value, '+ index +')" />';
	var designation = newRow.insertCell(1);
	designation.innerHTML = '<input type="text" id="designation['+ index + ']"  name="designation['+ index + ']" readonly />';
	var quantite = newRow.insertCell(2);
	quantite.innerHTML = '<input type="text" id="quantite['+ index + ']" name="quantite['+ index + ']" value="1" onChange="calcul_quantite(this.value, '+ index +')"  />';
	var colis = newRow.insertCell(3);
	colis.innerHTML = '<input type="text" id="colis['+ index + ']" name="colis['+ index + ']" value="" />';
	var remise = newRow.insertCell(4);
	remise.innerHTML = '<input type="text" id="remise['+ index + ']" name="remise['+ index + ']" value="" onChange="calcul_remise(this.value, '+ index +')" />';
	var tarif = newRow.insertCell(5);
	tarif.innerHTML = '<input type="text" id="tarif['+ index + ']" name="tarif['+ index + ']" value="" readonly  />';
	var punet = newRow.insertCell(6);
	punet.innerHTML = '<input type="text" id="punet['+ index + ']" name="punet['+ index + ']" value="" />';
	var total = newRow.insertCell(7);
	total.innerHTML = '<input type="text" id="total['+ index + ']" name="total['+ index + ']" value="" />';
	index++;
}
function deleteLine() {
	var nb = document.getElementById('matable').rows.length;
document.getElementById('matable').deleteRow(-1);
}
/*function somme(){
	var n = 0;
	//alert(n);
	document.getElementById("montant_total").value = 0;
while ( document.getElementById("total[" + n + "]") )
		{	
		//alert(document.getElementById("total[" + n + "]"));
		document.getElementById("montant_total").value=
					parseInt(document.getElementById("montant_total").value)+
					parseInt(document.getElementById("total[" + n + "]").value);
			n++;
		}
}*/
</script>
</head>
 
<body>
 
<form method="post" action="commande.php">
<table id="matable" width="1048" border="0">
 
  <tr>
    <td width="111"><strong>REFERENCE</strong></td>
    <td width="131"><strong>DESIGNATION</strong></td>
    <td width="66"><strong>Quantité</strong></td>
    <td width="94"><strong>COLIS</strong></td>
    <td width="138"><strong>Remise(%)</strong></td>
    <td width="157"><strong>TARIF(FCFA)</strong></td>
    <td width="143"><strong>PU NET (FCFA)</strong></td>
    <td width="174"><strong>TOTAL (FCFA)</strong></td>
  </tr>
 
</table>
<table width="1367" id="matable2">
  <tr>
    <td width="87"></td>
    <td width="103"></td>
    <td width="51"></td>
    <td width="73"></td>
    <td width="108"></td>
    <td width="124"></td>
    <td width="157"></td>
     <td width="291"></td>
    <td width="333"><strong>Montant Total:</strong><input type="text" id="montant_total" name="montont_total" value="" /></td>
  </tr>
</table>
<input type="button" name="button" id="button" value="Ajouter" onClick="addLine()" />
<input type="button" name="button3" id="button3" value="Supprimer" onClick="deleteLine()" />
<input type="submit" name="button2" id="button2" value="Valider" />
 
</form>
</body>
</html>
 
</html>

**jules_diedhiou** · 21/12/2011, 13h16

merci à rotrevrep!!!

faire la somme d'une colonne

JavaScript

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