php ajax 实现的网页

<?php $theme=$_POST['theme']; $fil=$_POST['fil']; include('connect.php'); $sql; if($theme==''&&$fil!=''){ $sql="SELECT DISTINCT Exemple,Path_XML,Path_HTML,Path_XSL FROM `exemples_xslt` WHERE Filtre = '".$fil."'"; } else if($theme!=''&&$fil==''){ $sql="SELECT DISTINCT Exemple,Path_XML,Path_HTML,Path_XSL FROM exemples_xslt WHERE Theme ='".$theme."'"; } else if($theme!=''&&$fil!=''){ $sql="SELECT DISTINCT Exemple,Path_XML,Path_HTML,Path_XSL FROM exemples_xslt WHERE Theme = '".$theme."' AND Filtre = '".$fil."'"; } else { $sql="SELECT DISTINCT Exemple,Path_XML,Path_HTML,Path_XSL FROM exemples_xslt"; } $result = mysql_query($sql); $numR = mysql_num_rows($result); echo "<p id='res'>Résultat : ".$numR." Exemples de Thème : ".$theme." -Filtre: ".$fil."</p>"; while($row = mysql_fetch_array($result)) { echo "<span class='title' onmouseover=\"mouseOver('".$row['Path_XML']."','".$row['Path_XSL']."','".$row['Path_HTML']."')\" >".$row['Exemple']."</span>"; } mysql_close($con); ?>