摘要:
http://blog.lidaobing.info/2008/12/ioc.html1. 通过数据层访问数据库最简单的模型,采用一个数据访问层,来隔离应用与数据库。public class MyDA {//...}public class MyApp {public MyApp() {da = new MyDA();}private MyDA da;//...}2. 面向界面编程,同时方便使用 Mock 方法测试public interface IMyDA {//...}public class MyDAimplements IMyDA{//...}public class MyApp {p 阅读全文