<?php
if($submit)
{
if($chkme)
{
printf("你選擇了CHECKBOX");
}
else
{
printf("你沒有選擇CHECKBOX");
}
}
else
{
?>
<html>
<head>
<meta charset="GB2312">
<title>測試提交</title>
</head>
<body>
<form action="<?php echo $PATH_INFO ?>" method=post>
<input type=checkbox checked name="chkme">選我
<input type=submit name=submit value="提交">
</form>
</body>
</html>
<?php
}
?>
<html>
<body>
<form action="xxx.php" onsubmit=“if(!document.getElementById('check').checked){alert('請選擇！');return false;}”>
<input type="checkbox" id="check">
<input type="submit">
</form>
</body>
</html>
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