jquery.validate动态更改校验规则

有时候表单中有多个字段是相互关联的，以下遇到的就是证件类型和证件号码的关联，在下拉框中选择不同的证件类型，证件号码的值的格式都是不同的，这就需要动态的改变校验规则。

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

//===================放在validate.addmethod.js中=========================

//检查号码是否符合规范，包括长度，类型

isCardNo = function(card)

{

//身份证号码为15位或者18位，15位时全为数字，18位前17位为数字，最后一位是校验位，可能为数字或字符X

var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/;

if(reg.test(card) === false)

{

return false;

}

return true;

};

//取身份证前两位,校验省份

checkProvince = function(card)

{

var province = card.substr(0,2);

if(vcity[province] == undefined)

{

return false;

}

return true;

};

//检查生日是否正确

checkBirthday = function(card)

{

var len = card.length;

//身份证15位时，次序为省（3位）市（3位）年（2位）月（2位）日（2位）校验位（3位），皆为数字

if(len == '15')

{

var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;

var arr_data = card.match(re_fifteen);

var year = arr_data[2];

var month = arr_data[3];

var day = arr_data[4];

var birthday = new Date('19'+year+'/'+month+'/'+day);

return verifyBirthday('19'+year,month,day,birthday);

}

//身份证18位时，次序为省（3位）市（3位）年（4位）月（2位）日（2位）校验位（4位），校验位末尾可能为X

if(len == '18')

{

var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/;

var arr_data = card.match(re_eighteen);

var year = arr_data[2];

var month = arr_data[3];

var day = arr_data[4];

var birthday = new Date(year+'/'+month+'/'+day);

return verifyBirthday(year,month,day,birthday);

}

return false;

};

//校验日期

verifyBirthday = function(year,month,day,birthday)

{

var now = new Date();

var now_year = now.getFullYear();

//年月日是否合理

if(birthday.getFullYear() == year && (birthday.getMonth() + 1) == month && birthday.getDate() == day)

{

//判断年份的范围（3岁到100岁之间)

var time = now_year - year;

if(time >= 3 && time <= 100)

{

return true;

}

return false;

}

return false;

};

//校验位的检测

checkParity = function(card)

{

//15位转18位

card = changeFivteenToEighteen(card);

var len = card.length;

if(len == '18')

{

var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);

var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');

var cardTemp = 0, i, valnum;

for(i = 0; i < 17; i ++)

{

cardTemp += card.substr(i, 1) * arrInt[i];

}

valnum = arrCh[cardTemp % 11];

if (valnum == card.substr(17, 1))

{

return true;

}

return false;

}

return false;

};

//15位转18位身份证号

changeFivteenToEighteen = function(card)

{

if(card.length == '15')

{

var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);

var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');

var cardTemp = 0, i;

card = card.substr(0, 6) + '19' + card.substr(6, card.length - 6);

for(i = 0; i < 17; i ++)

{

cardTemp += card.substr(i, 1) * arrInt[i];

}

card += arrCh[cardTemp % 11];

return card;

}

return card;

};

isIdCardNo = function(card)

{

//是否为空

if(card === '')

{

return false;

}

//校验长度，类型

if(isCardNo(card) === false)

{

return false;

}

//检查省份

if(checkProvince(card) === false)

{

return false;

}

//校验生日

if(checkBirthday(card) === false)

{

return false;

}

//检验位的检测

if(checkParity(card) === false)

{

return false;

}

return true;

};

// 身份证号码验证

jQuery.validator.addMethod("isIdCardNo", function(value, element) {

return this.optional(element) || isIdCardNo(value);

}, "请正确输入您的身份证号码");

// 护照号格式验证

jQuery.validator.addMethod("isPassport", function(value,element) {

var passport = "/(P/d{7})|(G/d{8})/";

return this.optional(element) || (passport.test(value));

}, "请正确填写您的护照号");

//===================放在validate.addmethod.js中END=========================

$(document).ready(function() {

$("#ctc_form").validate({

ignore: "", // 开启hidden验证， 1.9版本后默认关闭

rules: {

"qq": {

required: true,

//minlength: 2

stringCheck:true

}

});

$("#papersType").change( function() {

var type = $("#papersType").find("option:selected").text();

if(type=="身份证"){