摘要：
契约式设计也可以叫做 programming by contract 或contract first development， 1986年Bertrand Meyer在Eiffel编程语言中提出的术语。现在Visual Studio 2005 Team Edition也支持契约式设计。 阅读全文
posted @ 2007-08-01 18:03
许晓光
阅读(332)
评论(0)
推荐(0)
摘要：
WSE2.0 用DIME 作为附件的传输协议。 而在WSE3.0中使用新的MTOM消息传输优化机制。 阅读全文
posted @ 2007-08-01 17:18
许晓光
阅读(406)
评论(0)
推荐(0)
摘要：
Define a one to many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically. 阅读全文
posted @ 2007-08-01 16:11
许晓光
阅读(189)
评论(0)
推荐(0)
摘要：
Provide a unified interface to a set of interfaces in a subsystem.Facade defines a high level interface that makes the subsystem easier to use. EJB中可以用Facade模式减少远程调用的次数！ 阅读全文
posted @ 2007-08-01 14:06
许晓光
阅读(190)
评论(0)
推荐(0)
摘要：
Provide a surrogate or placeholder for another object to control access to it. 代理类型： 远程代理(Remote Proxy) .NET Remoting, JAVA RMI 虚拟代理（Virtual Proxy）It will not be created until needed. Copy on write... 阅读全文
posted @ 2007-08-01 10:51
许晓光
阅读(223)
评论(0)
推荐(0)
摘要：
Attach additional responsibilities to an object dynamically.Decorators provide a flexible alternative to subclassing for extending functionality. 动态地给一个对象增加一些额外的职责。就增加功 能而言，Decorator模式比生成子类更为灵活。 ——《... 阅读全文
posted @ 2007-08-01 10:07
许晓光
阅读(285)
评论(0)
推荐(0)
摘要：
1. 该起床了! It's time to get up! / It's time to wake up!It's time to get out of bed.It's time to get ready. 2. 快点儿起床!Get up soon. 3. 我真不想起。I don't wanna get up. / I don't want to. 4. 你醒了吗?Are you awake? ... 阅读全文
posted @ 2007-08-01 09:40
许晓光
阅读(271)
评论(0)
推荐(0)
浙公网安备 33010602011771号