In Struts, object persistence generally is implemented through JDBC and EJB. JDBC can access easily several kinds of databases synchronously by SQL language and build a base of operating each other among them.

• Struts中对象持久性通常由JDBC或者EJB来实现,采用JDBC可以很容易地用SQL语句同时访问多个异构的数据库,为异构的数据库之间的互操作奠定基础。