<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<body>
<?php
echo '
<form name="DDForm" method="GET" action="">
<div style="position:relative;">
<span style="margin-left:100px;width:18px;overflow:hidden;">
<select style="width:180px;margin-left:-100px" onchange="this.parentNode.nextSibling.value=this.value" name="hh">
<option value="汽车">汽车 </option>
<option value="火车"> 火车 </option>
<option value="飞机"> 飞机 </option>
</select>
</span><input name="box" style="width:160px;position:absolute;left:0px;">
<input value="提交" name="submit" type="submit"/>
</div>
</form>';
$aa=$_GET['hh']."111"; // select 下拉菜单的值
$bb=$_GET['box']."222"; // 输入框的值
echo $aa;
echo "</br>";
echo $bb;
// 要获得可输入下拉菜单的值，只要获得输入框的值即可。
?>
</body>
</html>
