处理身份证获取用户的年龄

   

    

 

 

    testAge(idcard ) {

   

      let birthday;

      let nowDay = new Date();

      // birthday = idcard.substr(6,4)

      let birthdayYaer = idcard.substr(6, 4);

      let birthdayMonth = idcard.substr(10, 2);

      let birthdayDay = idcard.substr(12, 2);

      birthday = birthdayYaer + "-" + birthdayMonth + "-" + birthdayDay;

      let birthdays = new Date(birthday.replace(/-/g, "/"));

      let age =

        nowDay.getFullYear() -

        birthdays.getFullYear() -

        (nowDay.getMonth() < birthdays.getMonth() ||

        (nowDay.getMonth() == birthdays.getMonth() &&

          nowDay.getDate() < birthdays.getDate())

          ? 1

          : 0);

   

      return age;

    },