jQuery Validate 相关参数及常用的自定义验证规则(2)

<style type="text/css"> * { 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; vertical-align: top;width: 22px; display: inline-block; } i.error {background:url("images/unchecked.gif") no-repeat 0px 0px;padding-left: 16px;font-style: inherit;} i.success {background:url("images/checked.gif") no-repeat 0px 0px; padding-left: 16px;font-style: inherit;} input{width: 230px;} </style> <script type="text/javascript"> $(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: "i", //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> <form method="get" action="">