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function getHttpRequest() {
var http_request = false;
if (window.XMLHttpRequest) { // Mozilla, Safari,...
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
http_request.overrideMimeType('text/xml');
}
} else if (window.ActiveXObject) { // IE
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!http_request) {
alert('Impossible de créer une instance XMLHTTP');
}
// Soit false si pb soit l'objet http_request
return http_request;
}
function appelServlet() {
var http_request = getHttpRequest();
if (!http_request){
// Requete impossible
alert("XMLHttpRequest non supportée par votre navigateur Internet");
return 0;
}
var idEntite = document.forms[0].entiteSecu.value;
http_request.onreadystatechange = function() { onResult(http_request); };
http_request.open("POST", '/GetDeviseServlet', true);
http_request.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
http_request.send("id="+idEntite);
}
function onResult(http_request) {
if (http_request.readyState == 4) { /* 4 : etat "complete" */
if (http_request.status == 200) { /* 200 : statut OK" */
alert("je suis arrivé");
}
}
} |
