select			LAST_INSERT_ID()		
       		insert into user (username, sex, birthday, address)		values		(#{username}, #{sex}, #{birthday}, #{address})	
      	
      
       		delete from user where		id = #{id}	
      	
      
       		update user set name=		#{name} where id=#{id}	
      	
      		select * from user		
      		
       		select * from user where username like '%${value}%'		
       		
       		
      	
      		
       		
       		
       		
       		
       		
       			
        			
        			
        			
        			
        		
       	
      	
      		select u.*, o.id as order_id,		o.user_id, o.number, o.createtime, o.note from user as u, orders as o		where u.id = o.user_id		
      	
      		
       		
       		
       		
       		
       		
       			
        			
        			
        			
        			
        		
       	
      	
      		select u.*, o.id as		order_id,		o.user_id, o.number, o.createtime, o.note from user as u,		orders as o		where u.id = o.user_id