Appearance
将军令的简化实现,对应客户端实现,请参考[https://github.com/819548945/dynamicPassword](https://github.com/819548945/dynamicPassword)
Password pw= Password.newInstance(8);//生成动态密码的位数 System.out.println(pw.getDynamicPassword("151427256809"));//用户因子,用于区分用户