jquery 验证插件 示例
<!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 >
<style type="text/css">
form.cmxform label.error, label.error { color: red; font-style: italic; }
</style>
</head>
<meta http-equiv="content-type" content="text/html" charset="utf-8"/><script type="text/javascript" src="js/jquery-1.10.2.js"></script><script type="text/javascript" src="js/jquery.validate.js"></script><script type="text/javascript" >
$.validator.setDefaults({submitHandler: function() {alert("已经提交!");}});
$().ready(function() {$("#commentForm").validate({
rules: {
name: {
required:true,minlength:2},
email: {
required: true,email: true}
},
messages: {
name: {required:"姓名必填",minlength:"至少2个字符"},
email:"请输入一个邮件地址"
});
});
</script>
<body>
<form class="cmxform" id="commentForm" method="get" action="">
<legend>请输入你的姓名，电子邮件和网址，以及你的评论</legend><label for="cname">姓名（必填，并2个字符）</label><input id="cname" name="name" /><label for="cemail">电子邮件 (必填)</label><input id="email" name="email" /><label for="curl">网址 (可选)</label><input id="curl" name="url" value="" /><label for="ccomment">你的评论 (必填)</label><textarea id="ccomment" name="comment" ></textarea><input class="submit" type="submit" value="提交"/>
</form>
</body>
</html>
例 2：
html 文件：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html" charset="utf-8"/>
<script type="text/javascript" src="js/jquery-1.10.2.js"></script>
<script type="text/javascript" src="js/jquery.validate.js"></script>
<script type="text/javascript" src="js/rules.js"></script>
<script type="text/javascript">
$(function(){
validateform();
})
</script>
</head>
<body>
<form id="myform" name="myform" action="" method="get">
<table>
<tr>
<td><input type="text" name="name" /></td>
</tr>
<input type="text" name="email" />
<input class="submit" type="submit" value="提交" />
</table>
</form>
</body>
</html>
js文件:
function validateform()
{
$("#myform").validate({
rules: {
name: {
required:true,
minlength:2
},
email: {
required: true,
email: true
}
},
messages: {
name: {
required:"姓名必填",
minlength:"至少2个字符"
},
email:"请输入一个邮件地址"
}
});
};
