[javascript]代码库
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script src="../../scripts/jquery-1.3.1.js" type="text/javascript">
</script>
<script src="lib/jquery.validate.js" type="text/javascript">
</script>
<style type="text/css">
/*<![CDATA[*/
* { font-family: Verdana; font-size: 96%; }
label { width: 10em; float: left; }
label.error { float: none; color: red; padding-left: .5em; vertical-align: top; }
p { clear: both; }
.submit { margin-left: 12em; }
em { font-weight: bold; padding-right: 1em; vertical-align: top; }
em.error {
background:url("images/unchecked.gif") no-repeat 0px 0px;
padding-left: 16px;
}
em.success {
background:url("images/checked.gif") no-repeat 0px 0px;
padding-left: 16px;
}
/*]]>*/
</style>
<script type="text/javascript">
//<![CDATA[
$(document).ready(function(){
//自定义一个验证方法
$.validator.addMethod(
"formula", //验证方法名称
function(value, element, param) {//验证规则
return value == eval(param);
},
'请正确输入数学公式计算后的结果'//验证提示信息
);
$("#commentForm").validate({
rules: {
username: {
required: true,
minlength: 2
},
email: {
required: true,
email: true
},
url:"url",
comment: "required",
valcode: {
formula: "7+9"
}
},
messages: {
username: {
required: '请输入姓名',
minlength: '请至少输入两个字符'
},
email: {
required: '请输入电子邮件',
email: '请检查电子邮件的格式'
},
url: '请检查网址的格式',
comment: '请输入您的评论'
},
errorElement: "em", //用来创建错误提示信息标签
success: function(label) { //验证成功后的执行的回调函数
//label指向上面那个错误提示信息标签em
label.text(" ") //清空错误提示消息
.addClass("success"); //加上自定义的success类
}
});
});
//]]>
</script>
</head>
<body>
<form class="cmxform" id="commentForm" method="get" action="">
<fieldset>
<legend>一个简单的验证带验证提示的评论例子</legend>
<p><label for="cusername">姓名</label> <em>*</em><input id="cusername" name="username" size="25" /></p>
<p><label for="cemail">电子邮件</label> <em>*</em><input id="cemail" name="email" size="25" /></p>
<p><label for="curl">网址</label> <input id="curl" name="url" size="25" value="" /></p>
<p><label for="ccomment">你的评论</label> <em>*</em>
<textarea id="ccomment" name="comment" cols="22">
</textarea></p>
<p><label for="cvalcode">验证码</label> <input id="cvalcode" name="valcode" size="25" value="" />=7+9</p>
<p><input class="submit" type="submit" value="提交" /></p>
</fieldset>
</form>
</body>
</html>
[代码运行效果截图]
[源代码打包下载]