JS验证身份证格式并输出出生日期，年龄，性别，出生地示例

叁歲伎倆 2023-07-20 05:45 2阅读 0赞

<!DOCTYPE html>
    <html lang="en">
    <head>
      <meta charset="UTF-8">
      <title>检验身份证格式并输出出生日期，年龄，性别，出生地</title>
    </head>
    <body>
    <script>
      window.onload = function() {
        var txtVal = document.getElementById("txtVal");
        var oBtn = document.getElementById("oBtn");
        //兼容浏览器点击事件
        function myAddEvent(obj, ev, fn) {
          if(obj.attachEvent) {
            obj.attachEvent("on" + ev, fn);
          }
          else {
            obj.addEventListener(ev, fn, false);
          }
        };
        //身份证地区
        var areaID = {
          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"
        };
        //性别
        var sexMap = {0: "女", 1: "男"};
        /*********************************************
         * 检验身份证格式是否正确
         ********************************************/
        var checkIdCard = function(IDCard) {
          var iSum = 0;
          var info = "";
          if(!/^\d{17}(\d|x)$/i.test(IDCard))
            return {
              status: false,
              message: '你输入的身份证长度或格式错误!'
            };
          IDCard = IDCard.replace(/x$/i, "a");
          if(areaID[parseInt(IDCard.substr(0, 2))] == null)
            return {
              status: false,
              message: '你的身份证地区非法!'
            };
          var sBirthday = IDCard.substr(6, 4) + "-" + Number(IDCard.substr(10, 2)) + "-" + Number(IDCard.substr(12, 2));
          var d = new Date(sBirthday.replace(/-/g, "/"));
          if(sBirthday != (d.getFullYear() + "-" + (d.getMonth() + 1) + "-" + d.getDate()))
            return {
              status: false,
              message: '身份证上的出生日期非法!'
            };
          for(var i = 17; i >= 0; i--)
            iSum += (Math.pow(2, i) % 11) * parseInt(IDCard.charAt(17 - i), 11);
          if(iSum % 11 != 1)
            return {
              status: false,
              message: '你输入的身份证号非法!'
            };
          //aCity[parseInt(sId.substr(0,2))]+","+sBirthday+","+(sId.substr(16,1)%2?"男":"女");//此次还可以判断出输入的身份证号的人性别
          return {
            status: true,
            message: '校验成功！'
          };
        };
        /*********************************************
         * 根据身份证号获取性别
         *********************************************/
        var getSexByIdCard = function(idCard) {
          if(idCard.length == 15) {
            return sexMap[idCard.substring(14, 15) % 2];
          } else if(idCard.length == 18) {
            return sexMap[idCard.substring(14, 17) % 2];
          } else {
            //不是15或者18,null
            return '';
          }
        };
        /*********************************************
         * 根据身份证号获取生日
         *********************************************/
        var getBirthdayByIdCard = function(idCard) {
          var birthStr;
          if(15 == idCard.length) {
            birthStr = idCard.charAt(6) + idCard.charAt(7);
            if(parseInt(birthStr) < 10) {
              birthStr = '20' + birthStr;
            } else {
              birthStr = '19' + birthStr;
            }
            birthStr = birthStr + '-' + idCard.charAt(8) + idCard.charAt(9) + '-' + idCard.charAt(10) + idCard.charAt(11);
          } else if(18 == idCard.length) {
            birthStr = idCard.charAt(6) + idCard.charAt(7) + idCard.charAt(8) + idCard.charAt(9) + '-' + idCard.charAt(10) + idCard.charAt(11) + '-' + idCard.charAt(12) + idCard.charAt(13);
          }
          return birthStr;
        };
        /*********************************************
         * 根据身份证号获取出生地
         *********************************************/
        var getAreaByIdCard = function(idCard) {
          return areaID[parseInt(idCard.substr(0, 2))];
        };
        /*********************************************
         * 根据身份证号获取年龄
         *********************************************/
        var getAgeByIdCard = function(idCard) {
          var birthStr = getBirthdayByIdCard(idCard);
          var r = birthStr.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
          if(r == null) return '';
          var d = new Date(r[1], r[3] - 1, r[4]);
          if(d.getFullYear() == r[1] && (d.getMonth() + 1) == r[3] && d.getDate() == r[4]) {
            var Y = new Date().getFullYear();
            return (Y - r[1]);
          } else {
            return '';
          }
        };
        //点击获取校验结果
        myAddEvent(oBtn, "click", function() {
          var card = txtVal.value
          if(checkIdCard(card).status) {
            //校验是否成功
            console.log(checkIdCard(card).message)
            //输出性别
            console.log(getSexByIdCard(card))
            //输出生日
            console.log(getBirthdayByIdCard(card))
            //输出出生地
            console.log(getAreaByIdCard(card))
            //输出年龄
            console.log(getAgeByIdCard(card))
          } else {
            console.log(checkIdCard(card).message)
          }
        });
      }
    </script>
    <input type="text" value="" id="txtVal">
    <input type="button" id="oBtn" value="获取身份证信息">
    </body>
    </html>