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Ajax – Php :: Mini How To

Asynchronous JavaScript and XML – PHP Hypertext Preprocessor

Contents

Action Example
index.php
action.php

Η παραπάνω εικόνα είναι αντίγραφό της

http://www.phpbuilder.com/columns/map.png

Action Example

Εάν θέλετε να δείτε ένα παράδειγμα λειτουργίας βασισμένο στην αρχιτεκτονική ajax, πατήστε εδώ:

https://balaskas.gr/ajax/

index.php

<!DOCTYPE html> 
 <head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>ajax</title>
 
<script language="JavaScript">

function get_msg(name) {
  var xhttp = new XMLHttpRequest();
  xhttp.onreadystatechange = function() {
    if (this.readyState == 4 && this.status == 200) {
      document.getElementById("msg").innerHTML = this.responseText;
    }
  };
  xhttp.open("GET", "action.php?name="+name, true);
  xhttp.send();
}

</script>
 
 </head>
 
<body>
 
<p align="center">
     
</p>
 
<p align="center">
    <input type=text id='name' placeholder='Search master username ...' 
    onchange="get_msg(document.getElementById('name').value);">
</p>
 
<p align="center">
    <span id="msg"></span>
</p>
 
<p align="center">
    <span>Search a master's username, </span><br>
    <span>eg. james, john, michael or david</span>
</p>
 
 
<p align="center">
    <a href="<?php echo $PHP_SELF; ?>">Reload</a>
</p>
 
 
</body>
 
</html>

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action.php

<?php
 
header('Content-Type: text/xml');
echo "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>";
 
if ( !empty ( $_GET['name'] ) ) {
    $names = array('ebal', 'james', 'john', 'michael', 'david');
 
    if (in_array($_GET['name'], $names)) {
       echo "<final>Hello Master <b>" . $_GET['name'] . "</b></final>";
    } else {
        echo "<final>You are not a Master!</final>";
    }
}
 
?>

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