28 lines
879 B
C#
28 lines
879 B
C#
using System;
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using System.Reflection;
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namespace AibisDream.Utility
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{
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public abstract class SingletonBase<T> where T : SingletonBase<T>
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{
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private static T _instance;
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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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if (_instance != null) return _instance;
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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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return _instance;
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}
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}
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}
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} |