数据库代理，基于xml，可以有效的降低对数据库的访问次数，也有利于协议的分层实现。是数据库操作与应用层接连的好的构件模式-The database proxy, based on xml, may effective reducing to the database the access, also is advantageous to the agreement lamination realization. Is the d

数据库代理，基于xml，可以有效的降低对数据库的访问次数，也有利于协议的分层实现。是数据库操作与应用层接连的好的构件模式-The database proxy, based on xml, may effective reducing to the database the access, also is advantageous to the agreement lamination realization. Is the d