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記錄大話設(shè)計(jì)學(xué)習(xí)過程。 代理模式：代理者為其他對(duì)象提供代理，以控制對(duì)真實(shí)對(duì)象的訪問。 用戶調(diào)用代理者，代理者通過真實(shí)的對(duì)象引用讓對(duì)象去做事情。但是代理者可以附加一些功能，然后才讓真實(shí)對(duì)象去做事情。 代理模式運(yùn)用案例：WebService生成代理訪問服務(wù)，虛擬代理、安全代理（控制真實(shí)對(duì)象訪問時(shí)的權(quán)限）、智能引用。 
using System; namespace ConsoleApp4 { class Program { public static void Main(string[] args) { var girl = new SchoolGirl("鄧紫棋"); Proxy proxy = new Proxy(girl); proxy.GiveFlowers(); proxy.GiveChocolate(); proxy.GiveDolls(); } } interface GiveGift { void GiveDolls(); void GiveFlowers(); void GiveChocolate(); } class Pursuit : GiveGift { SchoolGirl girl; public Pursuit(SchoolGirl girl) { this.girl=girl; } public void GiveChocolate() { Console.WriteLine("送巧克力"); } public void GiveDolls() { Console.WriteLine("送洋娃娃"); } public void GiveFlowers() { Console.WriteLine("送花"); } } class Proxy : GiveGift { Pursuit Pursuit; public Proxy(SchoolGirl girl) { Pursuit = new Pursuit(girl); } public void GiveChocolate() { this.Pursuit.GiveChocolate(); } public void GiveDolls() { this.Pursuit.GiveDolls(); } public void GiveFlowers() { this.Pursuit.GiveFlowers(); } } internal class SchoolGirl { public string Name { get; set; } public SchoolGirl(string name) { this.Name = name; } } } using System; namespace ConsoleApp4 { class Program { public static void Main(string[] args) { Proxy proxy = new Proxy(); proxy.Request(); } } abstract class Subject { public abstract void Request(); } class RealSubject : Subject { public override void Request() { Console.WriteLine("真實(shí)對(duì)象在請(qǐng)求"); } } class Proxy : Subject { RealSubject realSubject; public Proxy() { this.realSubject = new RealSubject(); } public override void Request() { // 寫一堆附加功能代碼..... realSubject.Request(); } } } |
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