http://www.richardlord.net/blog/why-use-an-entity-framework Why use an entity system framework for game development? Following my previous post on entity systems for game development I received a number of good questions from developers. I answered
class Program { static void Main(string[] args) { //创建一个代理对象 并发出请求 Person proxy = new Friend(); proxy.BuyProduct(); Console.Read(); } } //抽象主题角色 public abstract class Person { public abstract void BuyProduct(); } //真实主题角色 public class RealBuyPerson :
桥接模式的目的是分离抽象实现部分,把数据和实现分开,降低耦合.桥接模式和适配器模式不同之处是,桥接模式一般会在软件设计初考虑使用,适配器模式在软件设计之后为了实现接口兼容时使用. 下面是系统和电脑之间的桥接模式的使用 #include <iostream> using namespace std; class OS { public: virtual void NameOS() { } }; class WindowOS:public OS { public: void NameOS() {