<?
if(isset($lan)){
?>
<html>
<head><title>处理多项选择框一例</title></head>
<body>
<pre>
您喜欢下列语言:
<?
$count = count($lan);
for($i=0;$i<$count;$i++){
echo " " . $lan[$i] . "<br>";
}
?>
</pre>
</body>
</html>
<?
}
else{
?>
<html>
<head><title>处理多项选择框一例</title></head>
<body>
<form action="<?echo $PHP_SELF;?>" method="post">
您喜欢哪几种语言:<br>
<select name="lan[]" size="3" multiple>
<option value="PHP">PHP</option>
<option value="JSP">JSP</option>
<option value="ASP">ASP</option>
</select><br>
<input type="submit" value="完成">
</form>
</body>
</html>
<?
}
?>
<