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abstract
1 /// <summary> 2 /// 抽象类不能被直接实例化 3 /// is a 4 /// </summary> 5 public abstract class BasePhone 6 { 7 public void Show() 8 { 9 Console.WriteLine(""); 10 } 11 12 public int Price { get; set; } 13 14 /// <summary> 15 /// 品牌 16 /// </summary> 17 /// <returns></returns> 18 public abstract string Brand(); 19 20 /// <summary> 21 /// 系统 22 /// </summary> 23 /// <returns></returns> 24 public abstract string System(); 25 26 /// <summary> 27 /// 打电话 28 /// </summary> 29 public abstract void Call(); 30 31 /// <summary> 32 /// 拍照 33 /// </summary> 34 public abstract void Photo();
2.基本接口作为约束
1 /// <summary> 2 /// can do 3 /// </summary> 4 public interface IExtend 5 { 6 void ApplePay(); 7 } 8 9 public interface INet 10 { 11 void Online(); 12 }
3.各个手机的实现
1 /// <summary> 2 /// 手机 3 /// </summary> 4 public class iPhone : BasePhone, IExtend, INet 5 { 6 /// <summary> 7 /// 品牌 8 /// </summary> 9 /// <returns></returns> 10 public override string Brand() 11 { 12 return "iPhone"; 13 } 14 15 /// <summary> 16 /// 系统 17 /// </summary> 18 /// <returns></returns> 19 public override string System() 20 { 21 return "IOS"; 22 } 23 24 /// <summary> 25 /// 打电话 26 /// </summary> 27 public override void Call() 28 { 29 Console.WriteLine("User{0} {1} {2} Call", this.GetType().Name, this.Brand(), this.System()); 30 } 31 32 /// <summary> 33 /// 拍照 34 /// </summary> 35 public override void Photo() 36 { 37 Console.WriteLine("User{0} {1} {2} Call", this.GetType().Name, this.Brand(), this.System()); 38 } 39 40 public void ApplePay() 41 { 42 Console.WriteLine("User{0} {1} {2} ApplePay", this.GetType().Name, this.Brand(), this.System()); 43 } 44 45 public void Online() 46 { 47 Console.WriteLine("User{0} {1} {2} Online", this.GetType().Name, this.Brand(), this.System()); 48 } 49 }
1 /// <summary> 2 /// 手机 3 /// </summary> 4 public class Lumia : BasePhone 5 { 6 /// <summary> 7 /// 品牌 8 /// </summary> 9 /// <returns></returns> 10 public override string Brand() 11 { 12 return "Nokia"; 13 } 14 15 /// <summary> 16 /// 系统 17 /// </summary> 18 /// <returns></returns> 19 public override string System() 20 { 21 return "Winphone"; 22 } 23 24 /// <summary> 25 /// 打电话 26 /// </summary> 27 public override void Call() 28 { 29 Console.WriteLine("User{0} {1} {2} Call", this.GetType().Name, this.Brand(), this.System()); 30 } 31 32 /// <summary> 33 /// 拍照 34 /// </summary> 35 public override void Photo() 36 { 37 Console.WriteLine("User{0} {1} {2} Call", this.GetType().Name, this.Brand(), this.System()); 38 } 39 }
1 public class Mi : BasePhone 2 { 3 /// <summary> 4 /// 品牌 5 /// </summary> 6 /// <returns></returns> 7 public override string Brand() 8 { 9 return "XiaoMi"; 10 } 11 12 /// <summary> 13 /// 系统 14 /// </summary> 15 /// <returns></returns> 16 public override string System() 17 { 18 return "Android"; 19 } 20 21 /// <summary> 22 /// 打电话 23 /// </summary> 24 public override void Call() 25 { 26 Console.WriteLine("User{0} {1} {2} Call", this.GetType().Name, this.Brand(), this.System()); 27 } 28 29 /// <summary> 30 /// 拍照 31 /// </summary> 32 public override void Photo() 33 { 34 Console.WriteLine("User{0} {1} {2} Photo", this.GetType().Name, this.Brand(), this.System()); 35 } 36 }
abstract用override写,接口直接实现.
abstract
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