@GetMapping("{id}")
@ApiOperation("根據(jù)id查詢用戶")
public UserVO queryUserById(@ApiParam("用戶ID") @PathVariable Long id){
    return userService.queryUserAndAddressById(id);
}

@Override
public UserVO queryUserAndAddressById(Long id) {
    // 查詢用戶
    User user = getById(id);
    if (user == null|| user.getStatus() == 2){
        throw new RuntimeException("用戶狀態(tài)異常！");
    }
    // 查詢地址
    List<Address> addresses = Db.lambdaQuery(Address.class)
            .eq(Address::getUserId, id)
            .list();
    // 封裝VO
    // 轉(zhuǎn)User的PO為VO
    UserVO userVO = BeanUtil.copyProperties(user, UserVO.class);
    // 轉(zhuǎn)地址VO
    if (CollUtil.isNotEmpty(addresses)){
        userVO.setAddresses(BeanUtil.copyToList(addresses, AddressVO.class));
    }
    return null;
}

@GetMapping
@ApiOperation("根據(jù)id批量查詢用戶")
public List<UserVO> queryUserById(@ApiParam("用戶ID集合") @RequestParam List<Long> ids){
    return userService.queryUserAndAddressByIds(ids);
}

@Override
public List<UserVO> queryUserAndAddressByIds(List<Long> ids) {
    // 查詢用戶
    List<User> users = listByIds(ids);
    if (CollUtil.isEmpty(users)) {
        return Collections.emptyList();
    }
    // 查詢地址
    // 獲取用戶id集合
    List<Long> userIds = users.stream().map(User::getId).collect(Collectors.toList());
    // 根據(jù)用戶id查詢地址
    List<Address> addresses = Db.lambdaQuery(Address.class).in(Address::getUserId, userIds).list();
    // 轉(zhuǎn)換地址VO
    List<AddressVO> addressVOS = BeanUtil.copyToList(addresses, AddressVO.class);
    // 用戶地址集合分組處理，相同用戶的放入一個集合（組）中
    Map<Long, List<AddressVO>> addressVOMap = new HashMap<>();
    if (CollUtil.isEmpty(addresses)) {
        addressVOMap = addressVOS.stream().collect(Collectors.groupingBy(AddressVO::getUserId));
    }
    // 轉(zhuǎn)VO返回
    List<UserVO> list = new ArrayList<>(users.size());
    for (User user : users) {
        // 轉(zhuǎn)User的PO為VO
        UserVO userVO = BeanUtil.copyProperties(user, UserVO.class);
        // 轉(zhuǎn)地址VO
        userVO.setAddresses(addressVOMap.get(user.getId()));
        list.add(userVO);
    }
    return list;
}

mybatis-plus:
  type-aliases-package: com.itheima.mp.pojo
  global-config:
      db-config:
          logic-delete-field: deleted # 配置邏輯刪除字段（自定義，與表中該字段對應(yīng)）
          logic-delete-value: 1 # 邏輯已刪除值（默認為1）
          logic-not-delete-value: 0 # 邏輯未刪除值（默認為0）

@Data
public class User {
    /**
     * 使用狀態(tài)（1正常 2凍結(jié)）
     */
    private UserStatus status;
}

@Getter
public enum UserStatus {
    NORMAL(1, "正常"),
    FREEZE(2, "凍結(jié)");
    @EnumValue
    private final int value;
    private final String desc;
    UserStatus(int value, String desc) {
        this.value = value;
        this.desc = desc;
    }
}

mybatis-plus:
  configuration:
    default-enum-type-handler: com.baomidou.mybatisplus.core.handlers.MybatisEnumTypeHandler

@Data
@TableName(value = "user", autoResultMap = true)
public class User {
    /**
     * 詳細信息
     */
    @TableField(typeHandler = JacksonTypeHandler.class)
    private UserInfo info;
}

@Data
@AllArgsConstructor(staticName = "of") // UserInfo.of(...) 等同于 new UserInfo(...)
@NoArgsConstructor
public class UserInfo {
    private Integer age;
    private String intro;
    private String gender;
}