CommentDao

    
    
        select comment_id, goods_id, a.user_id, username publisher, content, create_time time
        from m_user a, m_comment b
        where a.user_id = b.user_id and goods_id = #{goods_id}
    
    
    
    
        select comment_id, goods_id, a.user_id, username publisher, content, create_time time
        from m_user a, m_comment b
        where a.user_id = b.user_id and b.comment_id = #{comment_id}
    
    
    
    
        insert into m_comment
        values (
            #{comment_id, jdbcType=NUMERIC}, 
            #{goods_id, jdbcType=NUMERIC}, 
            #{user_id, jdbcType=NUMERIC}, 
            #{time, jdbcType=TIMESTAMP}, 
            #{content, jdbcType=VARCHAR}
        )
    
    
    
    
        delete from m_comment
        where comment_id = #{comment_id}