此demo包含vc操作Access数据库的链接、以及增删改查的基本操作，均提供的有接口，方便用户操作，并且提供了一些模糊查询语句供用户参考-This demo contains the Access database, the link vc operations, as well as additions or deletions to change the basic operation of search are provided with interfaces, user-friendl