java中VO的使用解析

import io.swagger.annotations.ApiModelProperty;

public class User {

     @ApiModelProperty (value = "用户id" )

     private String userId;

     @ApiModelProperty (value = "用户名称" )

     private String name;

     /**

      * 状态参考 UserStatus

      */

     @ApiModelProperty (value = "用户状态  1已认证，2 认证中，3未通过认证，7未提交认证" )

     private Integer status;

     @ApiModelProperty (value = "头像地址" )

     private String headPicFileName;

     @ApiModelProperty (value = "手机号" )

     private String telephone;

     /**

      * 用户级别 0到期 1游客 2临时用户 3认证用户 参考health com.dachen.health.commons.vo.User

      */

     private Integer userLevel;

     @ApiModelProperty (value = "医生信息" )

     private Doctor doctor;

     get/setXxx()....

     @Override

     public boolean equals(Object o) {

         if ( this == o) {

             return true ;

         }

         if (o == null || getClass() != o.getClass()) {

             return false ;

         }

         User user = (User) o;

         return userId != null ? userId.equals(user.userId) : user.userId == null ;

     }

}

List<User> users = userServiceImpl.findUsersByIds(userIds);

//将User列表转换为UserVO列表:

List<CircleUserVO> circleUserVOs=BeanUtil.copyList(users,CircleUserVO. class );

//给UserVO添加角色属性

wrapRole(circleUserVOs,circleId);

wrapRole(List<CircleUserVO> circleUserVOs,Long circleId){

     //所有角色权限

     List<CircleUserVO> circleUserVOList = circleMemberRoleMapper.selectAllMemberRoleByCircleId(circleId);

     for (CircleUserVO circleUserVO:circleUserVOList){

         for (CircleUserVO circleUserVO1:circleUserVOs){

             if (circleUserVO.getUserId().equals(circleUserVO1.getUserId())){

                 circleUserVO1.setRole(circleUserVO.getRole());

             }

         }

     }

}

package com.dachen.circle.model.vo;

import com.dachen.circle.model.inner.User;

import io.swagger.annotations.ApiModelProperty;

public class CircleUserVO extends User{

     @ApiModelProperty (value = "在该圈子的角色1：管理员 2：圈主（负责人）3：顾问 逗号拼接 多个角色 可同时为管理员，圈主，顾问" )

     private String role;

     @ApiModelProperty (value = "0否 1是 永久免费" )

     private Integer permanentFree;

     @ApiModelProperty (value = "1正常 2欠费" )

     private Integer arrearageStatus;

     @ApiModelProperty (value = "过期时间 月数" )

     private Integer expirationMonth;

     @ApiModelProperty (value = "医院名称" )

     private String hospital;

     @ApiModelProperty (value = "科室" )

     private String departments;

     @ApiModelProperty (value = "职称" )

     private String title;

     @ApiModelProperty (value = "简介" )

     private String introduction;

     @ApiModelProperty (value = "排序字母 A-Z Z1为#" )

     private String letter;

    get/setXxx();

}

package com.dachen.util;

import org.springframework.beans.BeanUtils;

import java.util.ArrayList;

import java.util.List;

public class BeanUtil {

      public static <T> T copy(Object poObj, final Class <T>voClass)

      {

          T voObj = null ;

          try {

              voObj = voClass.newInstance();

              BeanUtils.copyProperties(poObj, voObj);

              return voObj;

          } catch (InstantiationException | IllegalAccessException e) {

              e.printStackTrace();

          }

          return null ;

      }

      public static <T> List <T> copyList(List <? extends Object> poList , final Class <T>voClass){

         List<T> voList= new ArrayList<T>();

         T voObj = null ;

         for (Object poObj:poList){

             try {

                 voObj = voClass.newInstance();

                 BeanUtils.copyProperties(poObj, voObj);

                 voList.add(voObj);

             } catch (InstantiationException | IllegalAccessException e) {

                 e.printStackTrace();

             }

             System.out.println(voObj);

         }

         return voList;

     }

}