// 手機號碼驗證
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));
}, "手機號碼格式錯誤");

// 電話號碼驗證
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));
}, "電話號碼格式錯誤");

// 郵政編碼驗證
jQuery.validator.addMethod("zipCode", function(value, element) {
var tel = /^[0-9]{6}$/;
return this.optional(element) || (tel.test(value));
}, "郵政編碼格式錯誤");

// QQ號碼驗證
jQuery.validator.addMethod("qq", function(value, element) {
var tel = /^[1-9]\d{4,9}$/;
return this.optional(element) || (tel.test(value));
}, "qq號碼格式錯誤");

// IP地址驗證
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地址格式錯誤");

// 字母和數(shù)字的驗證
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");

// 下拉框驗證
$.validator.addMethod("selectNone", function(value, element) {
return value == "請選擇";
}, "必須選擇一項");

// 字節(jié)長度驗證
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("請確保輸入的值在{0}-{1}個字節(jié)之間(一個中文字算2個字節(jié))"));