public static void UseSingleton() { Console.WriteLine("This is StudentC"); Singleton singleton = Singleton.CreateInstance();// new Singleton(); singleton.Show(); }
//public static Singleton singletonCommon = new Singleton();//只构造一个对象 static void Main(string[] args) { try { Console.WriteLine("欢迎来到.net高级班公开课之设计模式特训,今天是Eleven老师为大家带来的单例模式Singleton"); ////Singleton singleton = Singleton.CreateInstance(); //new Singleton();//只构造一个对象 ////for (int i = 0; i < 10; i++) ////{ //// Singleton singleton = Singleton.CreateInstance(); //// Singleton singleton = new Singleton();//每次都构造一个对象 //// singletonCommon.Show(); //// singleton.Show(); ////} ////StudentA.UseSingleton(); ////StudentB.UseSingleton(); ////StudentC.UseSingleton(); List <IAsyncResult> resultList = new List <IAsyncResult>(); for (int i = 0; i < 10; i++) { resultList.Add(new Action(() => { Singleton singleton = Singleton.CreateInstance(); singleton.Show(); }).BeginInvoke(null, null));//会启动一个异步多线程调用 } while (resultList.Count(r => !r.IsCompleted) > 0) { Thread.Sleep(10); } for (int i = 0; i < 10; i++) { resultList.Add(new Action(() => { SingletonSecond singleton = SingletonSecond.CreateInstance(); singleton.Show(); }).BeginInvoke(null, null));//会启动一个异步多线程调用 } } catch (Exception ex) { Console.WriteLine(ex.Message); } Console.Read(); }
static void Main(string[] args) { try { List <IAsyncResult> resultList = new List <IAsyncResult>(); for (int i = 0; i < 10; i++) { resultList.Add(new Action(() => { Singleton singleton = Singleton.CreateInstance(); singleton.Show(); }).BeginInvoke(null, null));//会启动一个异步多线程调用 } while (resultList.Count(r => !r.IsCompleted) > 0) { Thread.Sleep(10); } for (int i = 0; i < 10; i++) { resultList.Add(new Action(() => { //SingletonSecond singleton = SingletonSecond.CreateInstance(); SingletonThird singleton = SingletonThird.CreateInstance(); singleton.Show(); }).BeginInvoke(null, null));//会启动一个异步多线程调用 } } catch (Exception ex) { Console.WriteLine(ex.Message); } Console.Read(); }