JQuery 【validate】 用法

<link href="css/jquery.ui.core.css" rel="stylesheet" type="text/css" />
<link href="css/jquery.ui.datepicker.css" rel="stylesheet" type="text/css" />
<link href="css/jquery.ui.theme.css" rel="stylesheet" type="text/css" />

<script src="js/jquery-1.10.2.js"></script>
<script src="js/jquery.ui.core.js"></script>
<script src="js/jquery.ui.datepicker.js"></script>
<script src="js/jquery.validate.js"></script>
<script src="js/messages_cn.js"></script>

<script type="text/javascript">
    $(function() {
        $(".datepicker").datepicker();
    });
    
    /// 正则表达式
    $.validator.addMethod(
        "regex",
        function (value, element, param) {
            var re = new RegExp(param);
            return this.optional(element) || re.test(value);
        },
        "Please check your input."
    );
    
     
    $(document).ready(function(){
        //通过id查找要进行校验的表单
        $("#myForm").validate({
            //设置校验触发的时机,默认全是true。不要尝试去设置它为true，可能会有js错误。
            //onsubmit:false,
            //onfocusout:false,
            //onkeyup:false,
            //onclick:false,
           
            //验证通过后执行的动作
            //success:function(label){
            //    label.text("ok!").addClass("success");
            //},
            //手动设置错误信息的显示方式
            errorPlacement: function(error, element) {
              //  error.appendTo(element.parent().next());
               //    if ( element.is(":radio") )
            //        error.appendTo( element.siblings("span") );
            //    else if ( element.is(":checkbox") ){
            //        error.appendTo ( element.siblings("span") );
            //    }
            //        else
            //        error.appendTo( element.parent() );
                error.appendTo(element.next("span"));
            }
            ,
            rules:{
                name:{
                    required: true,
                    rangelength: [ 6, 8 ]
                },
                password: {
                    required: true,
                    minlength: 5
                },
                confirm_password: {
                    required: true,
                    minlength: 5,
                    equalTo: "#password"   //此处通过id指向
                },
                sex: {
                    required: true
                },
             
                email: {
                    required: true,
                    email: true
                },
                language: {
                    required: true,
                    rangelength:[2,3]
                },
                book: {
                    required: true,
                    rangelength:[2,3]
                },
                agree: "required",
                upload: {
                    required: true,
                    accept: "flv|jpg"
                },
                regexText:{
                    required:true,
                    regex:/^\d{18}$/
                }
                
            },
            //校验提示信息
            messages: {
                name: {
                required: "请输入用户名",
                rangelength: "用户名长度必须为{0}到{1}个字符或汉字"
                },
                password: {
                    required: "请输入密码",
                    minlength: "密码的最小长度是{0}个字符"
                },
                confirm_password: {
                    required: "请输入确认密码",
                    minlength: "确认密码的最小长度是{0}个字符",
                    equalTo: "两次密码不相同"
                },
                email: "请输入正确的邮箱",
                language: {
                    required: "该项必须填写",
                    rangelength: "请您选择{0}到{1}项语言"
                },
                book: {
                    required: "该项必须选择",
                    rangelength:"请您选择{0}到{1}本书"
                },
                agree: "您没有同意使用协议",
                upload: {
                        required: "请输入上传文件的路径",
                        accept: "上传文件的格式只能是 flv或jpg"
                },
                regexText:{
                    required:‘必须输入要求格式的文本‘,
                    regex:"请输入正确的文本"
                }
            }//end messages
        });//end valiadate
    });//end ready
</script>

jQuery.extend(jQuery.validator.messages, { 
required: "必选字段", 
remote: "请修正该字段", 
email: "请输入正确格式的电子邮件", 
url: "请输入合法的网址", 
date: "请输入合法的日期", 
dateISO: "请输入合法的日期 (ISO).", 
number: "请输入合法的数字", 
digits: "只能输入整数", 
creditcard: "请输入合法的信用卡号", 
equalTo: "请再次输入相同的值", 
accept: "请输入拥有合法后缀名的字符串", 
maxlength: jQuery.validator.format("请输入一个长度最多是 {0} 的字符串"), 
minlength: jQuery.validator.format("请输入一个长度最少是 {0} 的字符串"), 
rangelength: jQuery.validator.format("请输入一个长度介于 {0} 和 {1} 之间的字符串"), 
range: jQuery.validator.format("请输入一个介于 {0} 和 {1} 之间的值"), 
max: jQuery.validator.format("请输入一个最大为 {0} 的值"), 
min: jQuery.validator.format("请输入一个最小为 {0} 的值") 
}); 

<form action="" method="get" id="myForm">
        <label for="name">姓名:</label>
        <input name="name" type="text" /><span></span><br/><br/>
        
        <label>性別:</label>
        &nbsp;&nbsp;&nbsp;男<input type="radio" name="sex"/>女<input type="radio" name="sex"/><span></span><br/><br/>
        
        <label for="birthday">出生日期:</label>
        <input name="birthday" type="text" class="datepicker" readonly="true" /><span></span><br/><br/>
        
        <label for="email">邮箱:</label>
        <input name="email" type="text" /><span></span><br/><br/>
        
        <label for="password">密码:</label>
        <input id="password" name="password" type="password" /><span></span><br/><br/>
        
        <label for="confirm_password">确认密码:</label>
        <input name="confirm_password" type="password" /><span></span><br/><br/>
        
        <label for="regexText">正则文本(18位数字):</label>
        <textarea name="regexText" type="text" cols=10 rows=5></textarea><span></span><br/><br/>
        
        
        
        <input id ="submit" type="submit" class="submit" value="Submit"/>
    </form>