<?php
header("content:text/html;charset=utf8");
$con=@mysql_connect("localhost","root","");
mysql_select_db("hnthdl",$con);
mysql_query("set name utf8");
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<script>
function selectcity(x){
if(x!="Please choose"){
window.location.href='test.php?pid='+x;
}
}
function selecttown(x){
if(x!="Please choose"){
window.location.href='test.php?cid='+x+"&pid="+form1.hnthdl_area.value;
}
}
</script>
<body>
<?php
session_start();
if($_GET[pid]!=""){ $_SESSION["pid"]=$_GET[pid]; }
if($_GET[cid]!=""){ $_SESSION["cid"]=$_GET[cid]; }
?>
<form name="form1">
<table width="300" border="0" cellpadding="0" cellspacing="0">
<tr align="center">
<td height="30" colspan="2" nowrap><span class="STYLE2">Application of cascading menu</span></td>
</tr>
<tr align="center">
<td width="120" height="23" nowrap><span class="STYLE1">省级名称: </span></td>
<td width="180" align="left" nowrap><select name="hnthdl_area" onChange="selectcity(this.value);" >
<option value="Please select"> Please select</option>
<?php
$query=mysql_query("select * from hnthdl_area");
$myrow=mysql_fetch_array($query);
if($query==true){
do{
?>
<option value="<?php echo $myrow["id"];?>"
<?php
if($_SESSION["pid"]!="") {
if($_SESSION["pid"]==$myrow[id]){
echo "selected=\"selected\"";
}
}?> ><?php echo $myrow[name];?></option>
<?php
}while($myrow=mysql_fetch_array($query));
}?>
</select></td>
</tr>
<tr align="center">
<td height="23" nowrap class="STYLE1">市级名称:</td>
<td align="left" nowrap>
<?php if($_GET[pid]!="") { ?>
<select name="hnthdl_area1" onChange="selecttown(this.value);">
<option value="Please select" selected="selected"> Please select</option>
<?php $query=mysql_query("select * from hnthdl_area1 where pid='".$_GET[pid]."'");
if($query==true){
while($myrow1=mysql_fetch_array($query)){ ?>
<option value="<?php echo $myrow1[id];?>"
<?php
if($_SESSION["cid"]!=""){
if($_SESSION["cid"]==$myrow1[id]){
echo "selected=\"selected\"";
}
}?>><?php echo $myrow1[name1];?></option>
<?php }}?>
</select>
<?php } ?> </td>
</tr>
<tr align="center">
<td height="23" nowrap class="STYLE1">County/town level name:</td>
<td align="left" nowrap>
<?php if($_GET[cid]!=""){ ?>
<select name="hnthdl_area1">
<?php
$query=mysql_query("select * from hnthdl_area2 where cid='".$_GET[cid]."'");
if($query==true){
while($myrow1=mysql_fetch_array($query)){ ?>
<option value="<?php echo $myrow1[id];?>"><?php echo $myrow1[name2];?></option>
<?php }}?>
</select>
<?php } ?> </td>
</tr>
</table>
</form>
</body>
</html>