<input id="complex" value="hi" class="{required:true,minlength:3, maxlength:5,
messages:{required:'為什么不輸入一點(diǎn)文字呢',minlength:'輸入的太少了',maxlength:'輸入那么多干嘛'}}" />

$().ready(function() {
 $("#form2").validate({
 rules: {
 password: {
 required: true,
 minlength: 5
 },
 confirm_password: {
 required: true,
 minlength: 5,
 equalTo: "#password"
 }
 },
 messages: {
 password: {
 required: "沒有填寫密碼",
 minlength: jQuery.format("密碼不能小于{0}個(gè)字符")
 },
 confirm_password: {
 required: "沒有確認(rèn)密碼",
 minlength: "確認(rèn)密碼不能小于{0}個(gè)字符",
 equalTo: "兩次輸入密碼不一致嘛"
 }
 }
 });
});

$("#form2").validate({
 rules: {
 funcvalidate: {
 required: function() {return $("#password").val()!=""; }
 }
 },
 messages: {
 funcvalidate: {
 required: "有密碼的情況下必填"
 }
 }
});

密碼<input id="password" name="password" type="password" />
確認(rèn)密碼<input id="confirm_password" name="confirm_password" type="password" />
條件驗(yàn)證<input id="funcvalidate" name="funcvalidate" value="" />

email<input class="{validate:{required:true, email:true,
messages:{required:'輸入email地址', email:'你輸入的不是有效的郵件地址'}}}"/>

$().ready(function() {
 $.metadata.setType("attr", "validate");
 $("#form1").validate();
});

<input id="email" name="email" validate="{required:true, email:true, messages:{required:'輸入email地址', email:'你輸入的不是有效的郵件地址'}}" />

// 字符驗(yàn)證 
jQuery.validator.addMethod("userName", function(value, element) {
 return this.optional(element) || /^[\u0391-\uFFE5\w]+$/.test(value);
}, "用戶名只能包括中文字、英文字母、數(shù)字和下劃線"); 
 
//然后就可以使用這個(gè)規(guī)則了
$("#form1").validate({
 // 驗(yàn)證規(guī)則
 rules: {
 userName: {
 required: true,
 userName: true,
 rangelength: [5,10]
 }
 },
 /* 設(shè)置錯(cuò)誤信息 */
 messages: {
 userName: {
 required: "請(qǐng)?zhí)顚懹脩裘?quot;,
 rangelength: "用戶名必須在5-10個(gè)字符之間"
 } 
 },
});

性別
<span>
 男<input type="radio" id="gender_male" value="m" name="gender" class="{required:true}"/><br />
 女<input type="radio" id="gender_female" value="f" name="gender" />
</span>

<span>
 選項(xiàng)1<input type="checkbox" id="check_1" value="1" name="checkGroup"
 class="{required:true,minlength:2, messages:{required:'必須選擇',minlength:'至少選擇2項(xiàng)'}}" /><br />
 選項(xiàng)2<input type="checkbox" id="check_2" value="2" name="checkGroup" /><br />
 選項(xiàng)3<input type="checkbox" id="check_3" value="3" name="checkGroup" /><br />
</span>

<span>
 <select id="selectbox" name="selectbox" class="{required:true}">
 <option value=""></option>
 <option value="1">1</option>
 <option value="2">2</option>
 <option value="3">3</option>
 </select>
</span>

remote: {
url: "url", //url地址
type: "post", //發(fā)送方式
dataType: "json", //數(shù)據(jù)格式 data: { //要傳遞的數(shù)據(jù)
 username: function() {
 return $("#username").val();
 }}
}

<script type="text/javascript"></script>
// 手機(jī)號(hào)碼驗(yàn)證
jQuery.validator.addMethod("mobile", function(value, element) {
 var length = value.length;
 var mobile = /^(((13[0-9]{1})|(15[0-9]{1}))+\d{8})$/
 return this.optional(element) || (length == 11 && mobile.test(value));
}, "手機(jī)號(hào)碼格式錯(cuò)誤");
 
// 電話號(hào)碼驗(yàn)證
jQuery.validator.addMethod("phone", function(value, element) {
 var tel = /^(0[0-9]{2,3}\-)?([2-9][0-9]{6,7})+(\-[0-9]{1,4})?$/;
 return this.optional(element) || (tel.test(value));
}, "電話號(hào)碼格式錯(cuò)誤");
 
// 郵政編碼驗(yàn)證
jQuery.validator.addMethod("zipCode", function(value, element) {
 var tel = /^[0-9]{6}$/;
 return this.optional(element) || (tel.test(value));
}, "郵政編碼格式錯(cuò)誤");
 
// QQ號(hào)碼驗(yàn)證
jQuery.validator.addMethod("qq", function(value, element) {
 var tel = /^[1-9]\d{4,9}$/;
 return this.optional(element) || (tel.test(value));
}, "qq號(hào)碼格式錯(cuò)誤");
 
// IP地址驗(yàn)證
jQuery.validator.addMethod("ip", function(value, element) {
 var ip = /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;
 return this.optional(element) || (ip.test(value) && (RegExp.$1 < 256 && RegExp.$2 < 256 && RegExp.$3 < 256 && RegExp.$4 < 256));
}, "Ip地址格式錯(cuò)誤");
 
// 字母和數(shù)字的驗(yàn)證
jQuery.validator.addMethod("chrnum", function(value, element) {
 var chrnum = /^([a-zA-Z0-9]+)$/;
 return this.optional(element) || (chrnum.test(value));
}, "只能輸入數(shù)字和字母(字符A-Z, a-z, 0-9)");
 
// 中文的驗(yàn)證
jQuery.validator.addMethod("chinese", function(value, element) {
 var chinese = /^[\u4e00-\u9fa5]+$/;
 return this.optional(element) || (chinese.test(value));
}, "只能輸入中文");
 
// 下拉框驗(yàn)證
$.validator.addMethod("selectNone", function(value, element) {
 return value == "請(qǐng)選擇";
}, "必須選擇一項(xiàng)");
 
// 字節(jié)長(zhǎng)度驗(yàn)證
jQuery.validator.addMethod("byteRangeLength", function(value, element, param) {
 var length = value.length;
 for (var i = 0; i < value.length; i++) {
 if (value.charCodeAt(i) > 127) {
 length++;
 }
 }
 return this.optional(element) || (length >= param[0] && length <= param[1]);
}, $.validator.format("請(qǐng)確保輸入的值在{0}-{1}個(gè)字節(jié)之間(一個(gè)中文字算2個(gè)字節(jié))"));