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                            ## Map 模型



BeetlSQL支持將結果集映射成Map而不需要創建具體POJO

```
List<Map> xxx = sqlManager.select(sqlId,Map.class);
```

或者是在Mapper中定義

```
@Select
public List<Map> selectUsers();
```



BeetSQL作為ORM工具不推薦使用Map，Map難以表達數據的結構，開發和后期維護都非常難。另外從數據庫返回的的字段映射到Map，類型是不可控的，類型取決于JDBC。而如果使用POJO，那么Beetlsql將會把數據庫查詢結果映射成期望類型。


                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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