Mybatis 一对一 、一对多查询

  
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">  
  
  

     
        
        
            
            
          
          
          
          
          
        
        
        
        
        
        
        
    
    
      
        
        
            
            
          
          
          
          
          
        
        
        
        
        
        
        
        
        
	        
	        
	            
	            
	          
	          
	          
	          
	          
	        
        
    

      
      
        
        
            
            
          
          
          
          
          
        
        
        
        
        
        
        
        
                	select="cn.tramp.iblog.dao.IBlogMapper.queryForBlogByUserID" />
    
    
    	    		role_id, user_name, password
    	]]>
    

    
    	SELECT * FROM iblog_user, iblog_blog WHERE 
    	iblog_user.user_id=iblog_blog.user_id AND iblog_user.user_id=#{user_id}
    

    
       
            INSERT INTO iblog_user(role_id,user_name,password,user_nickname,gender,user_email,
             user_birthday, photo_path, is_show_birthday, marriage_state, occupation, live_place,
             native_place, personal_intro, is_lock)  
             VALUES(  
                #{role_id},  
                #{user_name},  
                #{password},  
                #{user_nickname},  
                #{gender},  
                #{user_email},  
                #{user_birthday},  
                #{photo_path},  
                #{is_show_birthday},  
                #{marriage_state},
                #{occupation},  
                #{live_place},  
                #{native_place}, 
                #{personal_intro},
                #{is_lock}
             )  
    

    
    	UPDATE iblog_user SET 
    	role_id = #{role_id},
    	user_name = #{user_name},
    	password = #{password},
    	user_nickname = #{user_nickname},
    	gender = #{gender},
    	user_email = #{user_email},
    	user_birthday = #{user_birthday},
    	photo_path = #{photo_path},
    	is_show_birthday = #{is_show_birthday},
    	marriage_state = #{marriage_state},
    	occupation = #{occupation},
    	live_place = #{live_place},
    	native_place = #{native_place},
    	personal_intro = #{personal_intro},
    	is_lock = #{is_lock}
    	WHERE user_id = #{user_id}
    

        
                    SELECT * FROM iblog_user 
            WHERE user_id =  #{user_id} 
        ]]>     
    

        
                    SELECT * FROM iblog_user 
            WHERE user_email =  #{user_email} 
        ]]>     
      

	
			SELECT 
			FROM iblog_user 
			WHERE user_name = #{user_name}
	

	
		SELECT count(*) FROM iblog_user
		
			WHERE #{columnName} LIKE %#{value}%
		
	

	
		SELECT * FROM iblog_user
		ORDER BY user_id
		LIMIT #{offset}, #{pageSize}
	

    
    	DELETE FROM iblog_user WHERE user_id = #{user_id}
    
  

  
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">  
  
  
	 
        
        
            
            
          
          
          
          
          
        
    
    
     
        
        
            
            
          
          
          
          
          
        
                	select="cn.tramp.iblog.dao.IUserMapper.queryForObject"/>
    
    
     
        
        
            
            
          
          
          
          
          
        
        
        	
	        
	            
	            
	          
	          
	          
	          
	          
	        
	        
	        
	        
	        
	        
	        
        
    

    
    	    		role_id, user_name, password
    	]]>
    
    
    	SELECT * FROM iblog_blog , iblog_user WHERE iblog_blog.user_id = iblog_user.user_id AND iblog_blog.blog_id = #{blog_id}  
    
    
       
            INSERT INTO iblog_blog(user_id,blog_type_id,blog_title,key_words,blog_content,post_datetime,
             edit_datetime, read_times, comment_times)  
             VALUES(  
                #{user_id},  
                #{blog_type_id},  
                #{blog_title},  
                #{key_words},  
                #{blog_content},  
                #{post_datetime},  
                #{edit_datetime},  
                #{read_times},  
                #{comment_times}  
             )  
    

    
    	UPDATE iblog_blog SET 
	    	user_id = #{user_id},
	    	blog_type_id = #{blog_type_id},
	    	blog_title = #{blog_title},
	    	key_words = #{key_words},
	    	blog_content = #{blog_content},
	    	post_datetime = #{post_datetime},
	    	read_times = #{read_times},
	    	comment_times = #{comment_times}
    	WHERE blog_id = #{blog_id}
    

        
                    SELECT * FROM iblog_blog 
            WHERE blog_id =  #{blog_id} 
        ]]>     
    
         
                    SELECT * FROM iblog_blog 
            WHERE user_id =  #{user_id} 
        ]]>     
    
	
		SELECT count(*) FROM iblog_blog
		
			WHERE #{params} LIKE %#{params}%
		
	

	
		SELECT * FROM iblog_blog
		ORDER BY user_id
		LIMIT #{offset}, #{pageSize}
	

    
    	DELETE FROM iblog_blog WHERE blog_id = #{blog_id}