<?php if(isset($_GET['act']) && $_GET['act']=='valid'){
$username=$_REQUEST['username'];
echo json_encode($username);
}else{?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="
http://www.w3.org/1999/xhtml"><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script src="
http://static.runoob.com/assets/jquery-validation-1.14.0/lib/jquery.js"></script><script src="
http://static.runoob.com/assets/jquery-validation-1.14.0/dist/jquery.validate.min.js"></script><script>
$(document).ready(function() {
$("#myform").validate({
rules: {
username: {
required: true,
rangelength:[2,6]
}
},
messages: {
username: {
required: "请输入姓名",
rangelength:$.validator.format("姓名最小长度:{0}, 最大长度:{1}。")
}
},
submitHandler:function(form){
$.ajax({
url:"?act=valid",
type:"POST",
data:$(form).serialize(),
dataType:"json",
success: function(data){
//console.log(data);
alert('提交成功');
$('#username').val('');
}
});
}
});
});
</script>
</head>
<body>
<form id="myform">
<fieldset>
<legend>验证表单</legend>
<p>
<label for="username">姓名</label>
<input id="username" name="username" type="text" />
</p>
<p>
<input class="submit" type="submit" value="提交" />
</p>
</fieldset>
</form>
</body>
</html>
<?php }?>