解决mybatis中collection嵌套collection引发的bug

  
  
  
 
    
  

 

  
  
  
  
  
 
    
 

 

  
  
  
  

 

  p.Id, p.Name, p.SurName,
 
 

  c.Id as c_Id, c.ParentId as c_ParentId, c.Name as c_Name, c.SurName as c_Surname, c.Age as c_Age,

 

  t.Id as t_Id, t.Name as t_Name, t.Color as t_Color
 
 

  select 
  
  
  
  from Parent p
 
  left outer join Child c on p.Id = c.ParentId
  left outer join Toy t on c.Id = t.ChildId
  where p.id = #{id,jdbcType=VARCHAR}

  t.Id as c_t_Id, t.Name as c_t_Name, t.Color as c_t_Color
 

public Configuration() {
  this.safeRowBoundsEnabled = false;
  this.safeResultHandlerEnabled = true;//意思是不允许自定义ResultHand 处理器, 
  this.mapUnderscoreToCamelCase = false;
  this.aggressiveLazyLoading = true;

  public static SqlSession getsqlSession(){
  SqlSession session = sqlSessionFactory.openSession(ExecutorType.REUSE);
  Configuration cOnfiguration= session.getConfiguration(); //反射得到configuration ,然后
  configuration.setSafeResultHandlerEnabled(false); // 设置为false
  return session;
}