php+ajax cascading menu [no refresh cascading menu]_PHP tutorial

This php+ajax cascading menu posted by a netizen, what we often say is no refresh.

This php+ajax cascading menu posted by a netizen, what we often say is no refresh.

header("Content-type: text/html;charset=GBK");//Output encoding to avoid Chinese garbled characters
require_once(dirname(__FILE__)."/include/config_base.php");
require_once(dirname(__FILE__)."/include/inc_type.php");
require_once(dirname(__FILE__)."/include/inc_cache.php");

$fatherid="";
$fatherid=$_GET['fatherid'];

if(!empty($fatherid)){

if(!file_exists('/cache/sun_'.$fatherid.'_cache.txt')){

$ty = new Type(0);

$typeOptions = $ty->GetSmallOption($fatherid);

if(!empty($typeOptions)){

cache_write('/cache/sun_'.$fatherid.'_cache.txt', $typeOptions);

echo "rn";

echo $typeOptions;

echo "";

$tl->Close();

}

}else{

$typeOptions=cache_get('/cache/sun_'.$fatherid.'_cache.txt');

echo "rn";

echo $typeOptions;

echo "";

}
}
?>

<script><br /> function GetBigType (){<br />       var url='GetBigType.php';<br />       var pars='pid=1';<br />       var myAjax=new Ajax.Updater('BigType', url, {method:'get', parameters:pars});<br /> }<br /> GetBigType ();<br /> function GetSmallType(){<br />       var fatherid=$F('fatherid');<br />       var url='GetSmallType.php';<br /> var pars='fatherid='+fatherid;<br />       var myAjax =new Ajax.Updater('SmallType', url, {method:'get', parameters:pars});<br /> }<br /> </script>

header("Content-type: text/html;charset=GBK");//Output encoding to avoid Chinese garbled characters
require_once(dirname(__FILE__)."/include/config_base.php");
require_once(dirname(__FILE__)."/include/inc_type.php");
require_once(dirname(__FILE__)."/include/inc_cache.php");
$pid="";
$pid=$_GET['pid'];
if($pid==1){

if(!file_exists('../cache/bigtype.cache.txt')){

$ty = new Type(0);

$typeOptions = $ty->GetBigOption();

cache_write('/cache/bigtype.cache.txt', $typeOptions);

echo "rn";

echo "--No column limit--rn";

echo $typeOptions;

echo "";

$ty->Close();

}else{

$typeOptions=cache_get('/cache/bigtype.cache.txt');

echo "rn";

echo "--No column limit--rn";

echo $typeOptions;

echo "";

}
}

?>

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