mybatis利用resultMap复杂类型list映射

 

目录

映射泛型为对象

xml

DTO

ENTITY

MAPPER

映射泛型为包装类型

xml

DTO

MAPPER

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映射泛型为对象

xml

    
    
    
        
        
        
        
    




      SELECT sidu.id, sidu.internet_data, su.id, su.number, su.push_token, su.ws_channel_id
      FROM strategy_internet_data_user sidu JOIN skr_user su on su.id = sidu.user_id
      WHERE sidu.id IN
      
          #{internetDataId}
      

 

DTO

@Data
public class StrategyInternetDataDTO {

    private Integer id ;
    private Integer internetData ;
    private List userList ;

}

 

ENTITY

@Data
public class SysUser {

    private Integer id;
    private String number;
    private String pushToken;
    private String wsChannelId ;

}

 

MAPPER

List selectInternetDataDTOByInternetDataIdList(@Param("internetDataIdList") List internetDataIdList);

 

 

映射泛型为包装类型

xml

    
    
    
        
    





      SELECT sidu.id, sidu.internet_data, sidu.user_id userId
      FROM strategy_internet_data_user sidu
      WHERE sidu.id IN
      
          #{internetDataId}
      

 

DTO

@Data
public class StrategyInternetDataDTO {

    private Integer id ;
    private Integer internetData ;
    private List userIdList ;

}

 

MAPPER

List selectInternetDataDTOByInternetDataIdList(@Param("internetDataIdList") List internetDataIdList);

 

 

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