JS根据身份证号码精确计算年龄和性别

 1 /**  2  * 根据身份证号获得姓别和精确计算年龄  3  */
 4 function analyzeIDCard(IDCard){  5     var sexAndAge = {};  6     //获取用户身份证号码
 7     var userCard = IDCard;  8     //若是身份证号码为undefind则返回空
 9     if(!userCard){ 10         return sexAndAge; 11  } 12     //获取性别
13     if(parseInt(userCard.substr(16,1)) % 2 == 1){ 14         sexAndAge.sex = '1（男）'
15     }else{ 16         sexAndAge.sex = '0（女）'
17  } 18     //获取出生年月日
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     //获取当前年月日并计算年龄
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     //获得年龄
32     sexAndAge.age = age; 33     //返回性别和年龄
34     return sexAndAge; 35 } 36 
37 /*测试*/
38 var ID = analyzeIDCard('510612199004174732'); 39 console.info(ID);