//==面向对象方法===验证身份证号是否真实有效function IdentityCodeValid(id){this.aCity = { 11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林", 23: "黑龙江", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 42: "湖北", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏", 61: "陕西", 62: "甘肃", 63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外" };this.iSum     = 0;//计算校验位this.pass     = true;//身份证号是否有效标识this.tip      = '';//身份证号无效提示//console.log(this.sSex) ;//地址，出生年月，性别this.judgmentIdLength(id);//开始验证
        }//检验18位身份证号是否真实有效==面向对象方法IdentityCodeValid.prototype={judgmentIdLength:function(code){/**===如果是15位则将其转换为18位再进行验证===15位身份证号码各位的含义: 1-2位省、自治区、直辖市代码； 3-4位地级市、盟、自治州代码； 5-6位县、县级市、区代码； 7-12位出生年月日,比如670401代表1967年4月1日,与18位的第一个区别； 13-15位为顺序号，其中15位男为单数，女为双数； 与18位身份证号的第二个区别：没有最后一位的验证码。**/if(code.length==15){codeArr = code.split('');code = code.toString().substr(0,6)+"19"+code.toString().substr(6);var last = this.computeCheckBit(code);code = code + last;//console.log('code=='+code);//return this.id;this.codeValid(code);}else{this.codeValid(code);}},computeCheckBit:function(sId){//∑(ai×Wi)(mod 11)//加权因子var factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];//校验位var parity = [1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2];var sum = 0;var ai = 0;var wi = 0;for (var i = 0; i < 17; i++) {ai = sId[i];wi = factor[i];sum += ai * wi;}var last = parity[sum % 11];console.log(last);return last;},codeValid:function(sId){this.id       = $.trim(sId);//id去空格this.sBirthday= this.id.substr(6, 4) + "-" + Number(this.id.substr(10, 2)) + "-" + Number(this.id.substr(12, 2));//出生年月this.sSex     = this.aCity[parseInt(this.id.substr(0, 2))] + "," + this.sBirthday + "," + (this.id.substr(16, 1) % 2 ? "男" : "女");this.sDate    = new Date(this.sBirthday.replace(/-/g, "/"));this.sAddress = this.id.replace(/x$/i, "a");//地址var iSum;if(!sId || !/^\d{6}(18|19|20)?\d{2}(0[1-9]|1[012])(0[1-9]|[12]\d|3[01])\d{3}(\d|[xX])$/i.test(sId)){this.tip = "你输入的身份证长度或格式错误！";this.pass = false;}else if(this.aCity[parseInt(this.sAddress.substr(0, 2))] == null) {this.tip = "你的身份证地区非法！";this.pass = false;}else if(this.sBirthday != (this.sDate.getFullYear() + "-" + (this.sDate.getMonth() + 1) + "-" + this.sDate.getDate())) {this.tip = "身份证上的出生日期非法！";this.pass = false;}else{var factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];//校验位var last = this.computeCheckBit(sId);console.log('==='+last);if(sId.substr(-1,1)!=last){console.log(1);this.tip = "你输入的身份证号校验位错误！";this.pass = false;}}if (!this.pass){//alert(this.tip);
                }return this.pass;}}

var idObj = new IdentityCodeValid(id);
console.log(idObj);//打印返回的信息即知是否通过验证