1 /**
 2  * 根據身份證號得到姓別和精確計算年齡
 3  */
 4 function analyzeIDCard(IDCard){
 5     var sexAndAge = {};
 6     //獲取用戶身份證號碼
 7     var userCard = IDCard;
 8     //如果身份證號碼為undefind則返回空
 9     if(!userCard){
10         return sexAndAge;
11     }
12     //獲取性別
13     if(parseInt(userCard.substr(16,1)) % 2 == 1){
14
 
         sexAndAge.sex = ‘1（男）‘
15     }else{
16         sexAndAge.sex = ‘0（女）‘
17     }
18     //獲取出生年月日
19     //userCard.substring(6,10) + "-" + userCard.substring(10,12) + "-" + userCard.substring(12,14);
20     var yearBirth = userCard.substring(6,10);
21     var monthBirth = userCard.substring(10,12);
22
 
     var dayBirth = userCard.substring(12,14);
23     //獲取當前年月日並計算年齡
24     var myDate = new Date();
25     var monthNow = myDate.getMonth() + 1;
26     var dayNow = myDate.getDay();
27     var age = myDate.getFullYear() - yearBirth;
28     if(monthNow < monthBirth || (monthNow == monthBirth && dayNow < dayBirth)){
 
29         age--;
30     }
31     //得到年齡
32     sexAndAge.age = age;
33     //返回性別和年齡
34     return sexAndAge;
35 }
36 
37 /*測試*/
38 var ID = analyzeIDCard(‘510612199004174732‘);
39 console.info(ID);

JS根據身份證號碼精確計算年齡和性別