java枚举的用法

1.dao层

public interface userDao(){

  void add(User user);

}

2.service层

public interface userService(){

  void add(User user);

}

3.serviceImpl

@Service

public class userServiceImpl implements userService()

  @Autowride

  userDao userDao;

  @override

public void add(User user){

  userDao.add(user)

}

4.entry层

public class User implements serializable{

  private static final long serialVersionUID = 1L;

  private int id;

  private String name;

  private userEnum sex;

public void setId(int id){

  this.id=id;

}

public int getId(){

  return id;

}

public void setName(String name){

  this.name=name;

}

 

public void getName(){

  return name;

}

public void setUserEnum(Userenum sex){

  this.sex=sex;

}

 

public UserEnum getUserEnum(){

  return this.sex;

}

 

5 userEnum层

public enum userEnum{

  man("男",1),

  woman("女",0)

  private String name;

  private int index;

public userEnum(String name,int index){

  this.name=name;

  this.index=index;

}

public static userEnum getsex(int index){                

  for(userEnum user:userEnum.values()){

    if(userEnum.getIndex()==index){

      return user;

    }else{

      return null;

      }

    }

  }

}

6.controlle层

@Controller

public class userController{

  @Autowride

  userService userService;

  @RequestMapping("/add")

  public void add(){

    User user=new User();

    user.setName("张三");

    user.setSex(userEnum.man);

  }

}

 

 

 

}

 

posted @ 2018-05-17 10:36  南城北国  阅读(221)  评论(0)    收藏  举报