select id, book_id, link_from, link_url, create_user, create_time, update_time from book.book_link where id = #{id}
insert into book.book_link(book_id, link_from, link_url, create_user, create_time, update_time) values (#{bookId}, #{linkFrom}, #{linkUrl}, #{createUser}, now(), now())
update book.book_link book_id = #{bookId}, link_from = #{linkFrom}, link_url = #{linkUrl}, update_time = now(), where id = #{id}
delete from book.book_link where id = #{id}
select id, book_id, link_from, link_url, create_user from book.book_link where book_id = #{bookId} and create_user = #{createUser}
select id, book_id, link_from, link_url, create_user from book.book_link where create_user = #{createUser} and book_id in #{item}