JS根據身份證號碼精確計算年齡和性別

 1 /**  2  * 根據身份證號獲得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     //若是身份證號碼爲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     //獲得年齡
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);