从零开始学jquery Validate 自定义验证

/**
* 身份证号码验证
*
*/
function isIdCardNo(num) {
var factorArr = new Array(7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2,1);
var parityBit=new Array("1","0","X","9","8","7","6","5","4","3","2");
var varArray = new Array();
var intValue;
var lngProduct = 0;
var intCheckDigit;
var intStrLen = num.length;
var idNumber = num;
// initialize
if ((intStrLen != 15) && (intStrLen != 18)) {
return false;
}
// check and set value
for(i=0;i<intStrLen;i++) {
varArray[i] = idNumber.charAt(i);
if ((varArray[i] < '0' || varArray[i] > '9') && (i != 17)) {
return false;
} else if (i < 17) {
varArray[i] = varArray[i] * factorArr[i];
}
}

if (intStrLen == 18) {
//check date
var date8 = idNumber.substring(6,14);
if (isDate8(date8) == false) {
return false;
}
// calculate the sum of the products
for(i=0;i<17;i++) {
lngProduct = lngProduct + varArray[i];
}
// calculate the check digit
intCheckDigit = parityBit[lngProduct % 11];
// check last digit
if (varArray[17] != intCheckDigit) {
return false;
}
}
else{ //length is 15
//check date
var date6 = idNumber.substring(6,12);
if (isDate6(date6) == false) {

return false;
}
}
return true;

}

</pre><pre code_snippet_id="1686640" snippet_file_name="blog_20160517_3_7545046" name="code" class="javascript">  //自定义验证规则
//addMethod(methodName,method,message)
//验证邮政编码
$.validator.addMethod("isZipCode", function(value, element) {
var telReg = /^[0-9]{6}$/;//邮政编码正则表达式
return this.optional(element) || (telReg.test(value));
}, "请正确填写您的邮政编码");
// 身份证号码验证
jQuery.validator.addMethod("idcardno", function(value, element) {
return this.optional(element) || isIdCardNo(value);
}, "请正确输入身份证号码");

//字母数字
jQuery.validator.addMethod("alnum", function(value, element) {
var numReg = /^[a-zA-Z0-9]+$/;
return this.optional(element) ||numReg.test(value);
}, "只能包括英文字母和数字");
// 汉字
jQuery.validator.addMethod("chcharacter", function(value, element) {
var tel = /^[\u4e00-\u9fa5]+$/;
return this.optional(element) || (tel.test(value));
}, "请输入汉字");

// 字符最小长度验证（一个中文字符长度为2）
jQuery.validator.addMethod("stringMinLength", 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);
}, $.validator.format("长度不能小于{0}!"));

// 字符最大长度验证（一个中文字符长度为2）
jQuery.validator.addMethod("stringMaxLength", 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);
}, $.validator.format("长度不能大于{0}!"));

// 字符验证
jQuery.validator.addMethod("string", function(value, element) {
return this.optional(element) || /^[\u0391-\uFFE5\w]+$/.test(value);
}, "不允许包含特殊符号!");

// 手机号码验证
jQuery.validator.addMethod("mobile", function(value, element) {
var length = value.length;
var telReg =/^(((13[0-9]{1})|(15[0-9]{1}))+\d{8})$/;
return this.optional(element) || (length == 11 &&telReg.test(value));
}, "手机号码格式错误!");

// 电话号码验证
jQuery.validator.addMethod("phone", function(value, element) {
var tel = /^(\d{3,4}-?)?\d{7,9}$/g;
return this.optional(element) || (tel.test(value));
}, "电话号码格式错误!");
// 必须以特定字符串开头验证
jQuery.validator.addMethod("begin", function(value, element, param) {
var begin = new RegExp("^" + param);
return this.optional(element) || (begin.test(value));
}, $.validator.format("必须以 {0} 开头!"));

// 验证两次输入值是否不相同
jQuery.validator.addMethod("notEqualTo", function(value, element, param) {
return value != $(param).val();
}, $.validator.format("两次输入不能相同!"));

// 验证值不允许与特定值等于
jQuery.validator.addMethod("notEqual", function(value, element, param) {
return value != param;
}, $.validator.format("输入值不允许为{0}!"));

// 验证值必须大于特定值(不能等于)
jQuery.validator.addMethod("gt", function(value, element, param) {
return value > param;
}, $.validator.format("输入值必须大于{0}!"));

// 验证值小数位数不能超过两位
jQuery.validator.addMethod("decimal", function(value, element) {
var decimal = /^-?\d+(\.\d{1,2})?$/;
return this.optional(element) || (decimal.test(value));
}