52 lines
1.4 KiB
C#
52 lines
1.4 KiB
C#
using System;
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using System.Reflection;
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namespace AibisDream.Kit
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{
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public class SingletonProp<T> where T : class, ISingleton
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{
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/// <summary>
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/// 静态实例
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/// </summary>
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private static T _instance;
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/// <summary>
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/// 标签锁
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/// </summary>
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private static readonly object _lock = new();
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public static T Instance
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{
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get
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{
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lock (_lock)
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{
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if (_instance == null)
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{
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// 先获取所有非public的构造方法
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var ctors = typeof(T).GetConstructors(BindingFlags.Instance | BindingFlags.NonPublic);
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// 从ctors中获取无参的构造方法
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var ctor = Array.Find(ctors, c => c.GetParameters().Length == 0);
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if (ctor == null)
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throw new Exception("Non-public ctor() not found!");
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// 调用构造方法
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_instance = ctor.Invoke(null) as T;
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_instance?.OnSingletonInit();
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return _instance;
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}
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}
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return _instance;
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}
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}
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/// <summary>
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/// 资源释放
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/// </summary>
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public static void Dispose()
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{
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_instance = null;
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}
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}
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} |