jquery.validate.unobtrusive.js的用法:
jquery.validate.unobtrusive.js使用上很简洁，只要对Tag下几个属性即可以使用！
引用JavaScript
最新的CDN JS引用可以查看,http://www.asp.net/ajaxLibrary/CDN.ashx
jQuery验证控件jquery.validate.js:
jQuery校验
官网地址：一导入js库
<script src="../js/jquery.js" type="text/javascript"></script>
<script src="../js/jquery.validate.js" type="text/javascript"></script>二、默认校验规则
(1)required:true 必输字段
(2)remote:"check.php" 使用ajax方法调用check.php验证输入值(3)email:true 必须输入正确格式的电子邮件(4)url:true 必须输入正确格式的网址(5)date:true 必须输入正确格式的日期 日期校验ie6出错，慎用(6)dateISO:true 必须输入正确格式的日期(ISO)，例如：2009-06-23，1998/01/22 只验证格式，不验证有效性(7)number:true 必须输入合法的数字(负数，小数)(8)digits:true 必须输入整数(9)creditcard: 必须输入合法的信用卡号(10)equalTo:"#field" 输入值必须和#field相同(11)accept: 输入拥有合法后缀名的字符串（上传文件的后缀）(12)maxlength:5 输入长度最多是5的字符串(汉字算一个字符)(13)minlength:10 输入长度最小是10的字符串(汉字算一个字符)(14)rangelength:[5,10] 输入长度必须介于 5 和 10 之间的字符串")(汉字算一个字符)(15)range:[5,10] 输入值必须介于 5 和 10 之间(16)max:5 输入值不能大于5(17)min:10 输入值不能小于10三、默认的提示
messages: {
required: "This field is required.",remote: "Please fix this field.",email: "Please enter a valid email address.",url: "Please enter a valid URL.",date: "Please enter a valid date.",dateISO: "Please enter a valid date (ISO).",dateDE: "Bitte geben Sie ein g眉ltiges Datum ein.",number: "Please enter a valid number.",numberDE: "Bitte geben Sie eine Nummer ein.",digits: "Please enter only digits",creditcard: "Please enter a valid credit card number.",equalTo: "Please enter the same value again.",accept: "Please enter a value with a valid extension.",maxlength: $.validator.format("Please enter no more than {0} characters."),minlength: $.validator.format("Please enter at least {0} characters."),rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),range: $.validator.format("Please enter a value between {0} and {1}."),max: $.validator.format("Please enter a value less than or equal to {0}."),min: $.validator.format("Please enter a value greater than or equal to {0}.")},如需要修改，可在js代码中加入：
jQuery.extend(jQuery.validator.messages, {
required: "必选字段",remote: "请修正该字段",email: "请输入正确格式的电子邮件",url: "请输入合法的网址",date: "请输入合法的日期",dateISO: "请输入合法的日期 (ISO).",number: "请输入合法的数字",digits: "只能输入整数",creditcard: "请输入合法的信用卡号",equalTo: "请再次输入相同的值",accept: "请输入拥有合法后缀名的字符串",maxlength: jQuery.validator.format("请输入一个 长度最多是 {0} 的字符串"),minlength: jQuery.validator.format("请输入一个 长度最少是 {0} 的字符串"),rangelength: jQuery.validator.format("请输入 一个长度介于 {0} 和 {1} 之间的字符串"),range: jQuery.validator.format("请输入一个介于 {0} 和 {1} 之间的值"),max: jQuery.validator.format("请输入一个最大为{0} 的值"),min: jQuery.validator.format("请输入一个最小为{0} 的值")});推荐做法，将此文件放入messages_cn.js中，在页面中引入
<script src="../js/messages_cn.js" type="text/javascript"></script>四、使用方式
1.将校验规则写到控件中
<script src="../js/jquery.js" type="text/javascript"></script>
<script src="../js/jquery.validate.js" type="text/javascript"></script><script src="./js/jquery.metadata.js" type="text/javascript"></script>$().ready(function() {
$("#signupForm").validate();});<form id="signupForm" method="get" action="">
<p><label for="firstname">Firstname</label><input id="firstname" name="firstname" class="required" /></p><p><label for="email">E-Mail</label><input id="email" name="email" class="required email" /></p><p><label for="password">Password</label><input id="password" name="password" type="password" class="{required:true,minlength:5}" /></p><p><label for="confirm_password">确认密码</label><input id="confirm_password" name="confirm_password" type="password" class="{required:true,minlength:5,equalTo:'#password'}" /></p><p><input class="submit" type="submit" value="Submit"/></p></form>使用class="{}"的方式，必须引入包：jquery.metadata.js
可以使用如下的方法，修改提示内容：
class="{required:true,minlength:5,messages:{required:'请输入内容'}}"在使用equalTo关键字时，后面的内容必须加上引号，如下代码：
class="{required:true,minlength:5,equalTo:'#password'}"2.将校验规则写到js代码中
$().ready(function() {
$("#signupForm").validate({ rules: { firstname: "required",email: { required: true,email: true},password: { required: true,minlength: 5},confirm_password: { required: true,minlength: 5,equalTo: "#password"}},messages: { firstname: "请输入姓名",email: { required: "请输入Email地址",email: "请输入正确的email地址"},password: { required: "请输入密码",minlength: jQuery.format("密码不能小于{0}个字 符")},confirm_password: { required: "请输入确认密码",minlength: "确认密码不能小于5个字符",equalTo: "两次输入密码不一致不一致"}}});});//messages处，如果某个控件没有message，将调用默认的信息
<form id="signupForm" method="get" action="">
<p><label for="firstname">Firstname</label><input id="firstname" name="firstname" /></p><p><label for="email">E-Mail</label><input id="email" name="email" /></p><p><label for="password">Password</label><input id="password" name="password" type="password" /></p><p><label for="confirm_password">确认密码</label><input id="confirm_password" name="confirm_password" type="password" /></p><p><input class="submit" type="submit" value="Submit"/></p></form>required:true 必须有值
required:"#aa:checked"表达式的值为真，则需要验证required:function(){}返回为真，表时需要验证后边两种常用于，表单中需要同时填或不填的元素