本文實例講述了C#實現單件模式的三種常用方法。分享給大家供大家參考。具體分析如下：
單件模式是一種設計模式，即保持同時只能創建一個實例，下面列出了C#實現單件模式的三種方法
方法1
public sealed Class Singleton{ private static ReadOnly Singleton instance = new Singleton(); private Singleton(){} public static Singleton Instance { get { return instance; } }}方法2
public sealed Class ClassicSingleton{ private static ClassicSingleton instance; private static object SyncRoot = new Object (); private ClassicSingleton(){} public static ClassicSingleton Instance { get { if(instance == null) { lock (SyncRoot) { if(instance == null) { instance = new ClassicSingleton (); } } } return instance; } }}方法3
public Class Singleton{ private static Singleton instance; // Added a static mutex for synchronising use of instance. private static System.Threading.Mutex mutex; private Singleton(){} static Singleton () { instance = new Singleton(); mutex = new System.Threading.Mutex(); } public static Singleton Acquire() { mutex.WaitOne (); return instance; } // Each call to Acquire () requires a call to Release() public static void Release() { mutex.ReleaseMutex(); }}希望本文所述對大家的C#程序設計有所幫助。
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