(转载)根据身份证返回出生日期

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作者：zhayuyao 
来源：CSDN 
原文：https://blog.csdn.net/zhayuyao/article/details/78549442 
版权声明：本文为博主原创文章，转载请附上博文链接！

 

/**
* 通过身份证号码获取出生日期、性别、年龄
* @param certificateNo
* @return 返回的出生日期格式：1990-01-01 性别格式：F-女，M-男
*/
public static Map<String, String> getBirAgeSex(String certificateNo) {
String birthday = "";
String age = "";
String sexCode = "";

int year = Calendar.getInstance().get(Calendar.YEAR);
char[] number = certificateNo.toCharArray();
boolean flag = true;
if (number.length == 15) {
for (int x = 0; x < number.length; x++) {
if (!flag) return new HashMap<String, String>();
flag = Character.isDigit(number[x]);
}
} else if (number.length == 18) {
for (int x = 0; x < number.length - 1; x++) {
if (!flag) return new HashMap<String, String>();
flag = Character.isDigit(number[x]);
}
}
if (flag && certificateNo.length() == 15) {
birthday = "19" + certificateNo.substring(6, 8) + "-"
+ certificateNo.substring(8, 10) + "-"
+ certificateNo.substring(10, 12);
sexCode = Integer.parseInt(certificateNo.substring(certificateNo.length() - 3, certificateNo.length())) % 2 == 0 ? "F" : "M";
age = (year - Integer.parseInt("19" + certificateNo.substring(6, 8))) + "";
} else if (flag && certificateNo.length() == 18) {
birthday = certificateNo.substring(6, 10) + "-"
+ certificateNo.substring(10, 12) + "-"
+ certificateNo.substring(12, 14);
sexCode = Integer.parseInt(certificateNo.substring(certificateNo.length() - 4, certificateNo.length() - 1)) % 2 == 0 ? "F" : "M";
age = (year - Integer.parseInt(certificateNo.substring(6, 10))) + "";
}
Map<String, String> map = new HashMap<String, String>();
map.put("birthday", birthday);
map.put("age", age);
map.put("sexCode", sexCode);
return map;
}