根据身份证解析出生年月

  /**
     * 通过身份证号码获取出生日期、性别、年龄
     *
     * @param idcard
     * @return 返回的出生日期格式：1990-01-01 性别格式：0-男, 1-女
     */
    public static Map<String, String> getBirAgeSex(String idcard) {
        String birthday = "";
        String age = "";
        String sexCode = "";

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