mybatis 实现递归查询出树结构节点

mybatis 实现递归查询出树结构节点

  
    
    
    
    
    
    
    
    
    
 	

	
  
  
  
  
    
    
    
    
    
    
    
    
    
 	

	
  


	select * from t_guide_book_directory  where 1=1
	
				and id=#{id}
       
       
				${queryparam}
       
         order by page_num asc

		
		


	 select * from t_guide_book_directory 
	 where book_id = #{bookId,jdbcType=VARCHAR} 
	 and parent_id LIKE CONCAT('%',#{parentId,jdbcType=VARCHAR} ,'%') 
	 and grade = #{grade,jdbcType=INTEGER}
	 order by page_num asc 




	select * from t_guide_book_directory 
	where parent_id LIKE CONCAT('%',CONCAT(#{id,jdbcType=VARCHAR},"_",#{grade,jdbcType=VARCHAR}) ,'%') 
	and grade = (#{grade,jdbcType=INTEGER} + 1)
	 order by page_num asc