注意： data-native-menu="false"  虽然具有渲染作用，但是无法进行js提交。

<script type="text/javascript">

$(function() {
$("#category").change(function() {
loadData();
});


});
function loadData(){

document.forms["form1"].submit();

}

</script>

<?php

$categoryid=$_POST[category];
$circleid=$_POST[businessCircle];

?>

<form id="form1" name="form1" data-ajax="false" action="shangyequanb.php" method="post" enctype="multipart/form-data">

<select id="category" name="category" data-corners="false" >
<option value="http://www.mamicode.com/1" <? if($categoryid=="1"){ echo "selected";}?>>类别1</option>
<option value="http://www.mamicode.com/2"<? if($categoryid=="2"){ echo "selected";}?>>类别2</option>
<option value="http://www.mamicode.com/3"<? if($categoryid=="3"){ echo "selected";}?>>类别3</option>
<option value="http://www.mamicode.com/4"<? if($categoryid=="4"){ echo "selected";}?>>类别4</option>
<option value="http://www.mamicode.com/5"<? if($categoryid=="5"){ echo "selected";}?>>类别5</option>
</select>

</form>