Solució exercici6-ajax
De wikiserver
La revisió el 15:40, 9 abr 2024 per Mfernandez (Discussió | contribucions)
//fitxer html
<!DOCTYPE html>
<html lang="ca">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Exercici 6 AJAX</title>
</head>
<body>
<h1>Exercici 6 AJAX</h1>
<input type="text" id="input"></input>
<br>Suggeriments:
<div id="contingut"></div>
<script lang="javascript">
var xhr = new XMLHttpRequest();
var contingut = document.getElementById("contingut");
var input = document.getElementById("input");
input.oninput = function () {
xhr.open("GET", "ex6.php?q=" + input.value);
xhr.send(null);
};
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
contingut.innerHTML = xhr.responseText;
}
};
</script>
</body>
</html>//fitxer php
<?php
// Array with names
$a = array("Anna", "Brittany", "Cinderella", "Diana", "Eva", "Fiona", "Gunda", "Hege", "Inga", "Johanna", "Kitty", "Linda", "Nina", "Ophelia", "Petunia", "Amanda", "Raquel", "Cindy", "Doris", "Eve", "Evita", "Sunniva", "Tove", "Unni", "Violet", "Liza", "Elizabeth", "Ellen", "Wenche", "Vicky");
// get the q parameter from URL
$q = $_REQUEST["q"];
$hint = "";
// lookup all hints from array if $q is different from ""
if ($q !== "") {
$q = strtolower($q);
$len = strlen($q);
foreach ($a as $name) {
if (stristr($q, substr($name, 0, $len))) {
if ($hint === "") {
$hint = $name;
} else {
$hint .= "<br>$name";
}
}
}
}
// Output "no suggestion" if no hint was found or output correct values
echo $hint === "" ? "no suggestion" : $hint;<!DOCTYPE html>
<html>
<head>
<script>
function showHint(str)
{
var xmlhttp;
if (str.length==0)
{
document.getElementById("txtHint").innerHTML="";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
//alert(xmlhttp.responseText);
//document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
var chunk = xmlhttp.responseText.split("*");
txt = "<ul>";
for (i in chunk) {
txt += "<li>"+chunk[i]+"</li>";
}
txt += "</ul>";
setTimeout(function(){document.getElementById("txtHint").innerHTML= txt;},3000);
} else {
document.getElementById("txtHint").innerHTML="<img src='img/ajax-loader.gif' />";
}
}
xmlhttp.open("GET","php/gethint.php?q="+str,true);
xmlhttp.send();
}
</script>
</head>
<body>
<h3>Start typing a name in the input field below:</h3>
<form action="">
First name: <input type="text" id="txt1" onkeyup="showHint(this.value)" />
</form>
<p>Suggestions: <span id="txtHint"></span></p>
</body>
</html>
//fitxer php
<?php
// Fill up array with names
$a[]="Anna";
$a[]="Brittany";
$a[]="Cinderella";
$a[]="Diana";
$a[]="Eva";
$a[]="Fiona";
$a[]="Gunda";
$a[]="Hege";
$a[]="Inga";
$a[]="Johanna";
$a[]="Kitty";
$a[]="Linda";
$a[]="Nina";
$a[]="Ophelia";
$a[]="Petunia";
$a[]="Amanda";
$a[]="Raquel";
$a[]="Cindy";
$a[]="Doris";
$a[]="Eve";
$a[]="Evita";
$a[]="Sunniva";
$a[]="Tove";
$a[]="Unni";
$a[]="Violet";
$a[]="Liza";
$a[]="Elizabeth";
$a[]="Ellen";
$a[]="Wenche";
$a[]="Vicky";
$a[]="Maria";
$a[]="Pere";
$a[]="Rita";
$a[]="Jordi";
$a[]="Anna";
$a[]="Núria";
// get the q parameter from URL
$q=$_REQUEST["q"];
$hint="";
// lookup all hints from array if $q is different from ""
if ($q !== "")
{ $q=strtolower($q);
$len=strlen($q);
foreach($a as $name)
{ if (stristr($q, substr($name,0,$len)))
{ if ($hint==="")
{ $hint=$name; }
else
{ $hint .= "*$name"; }
}
}
}
// Output "no suggestion" if no hint were found
// or output the correct values
echo $hint==="" ? "no suggestion" : $hint;
?>
