feat：1、添加项目

Assets/Scripts/Singleton/ISingleton.cs

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+namespace BallKingdomCrush
+{
+    public interface ISingleton
+    {
+        void OnSingletonInit();
+    }
+}

Assets/Scripts/Singleton/ISingleton.cs.meta

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+timeCreated: 1686105364

Assets/Scripts/Singleton/Singleton.cs

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+using System;
+
+namespace BallKingdomCrush
+{
+    public class Singleton<T> : ISingleton, IDisposable where T : Singleton<T>, new()
+    {
+        private static T mInstance;
+
+        private static readonly object LockObject = new();
+
+        public static T Instance
+        {
+            get
+            {
+                lock (LockObject)
+                {
+                    mInstance ??= new T();
+                    mInstance.OnSingletonInit();
+                }
+
+                return mInstance;
+            }
+        }
+
+        public virtual void Dispose()
+        {
+            mInstance = null;
+        }
+
+        public void OnSingletonInit()
+        {
+        }
+    }
+}

Assets/Scripts/Singleton/Singleton.cs.meta

@@ -0,0 +1,11 @@
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Assets/Scripts/Singleton/SingletonUnity.cs

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+using UnityEngine;
+
+namespace BallKingdomCrush
+{
+    public abstract class SingletonUnity<T> : MonoBehaviour, ISingleton where T : SingletonUnity<T>
+    {
+        private static T mInstance;
+
+        public static T Instance
+        {
+            get
+            {
+                if (mInstance != null)
+                {
+                    return mInstance;
+                }
+
+                if (ApplicationIsQuitting)
+                {
+                    return null;
+                }
+
+                GameObject instanceGO = new GameObject(typeof(T).Name);
+                mInstance = instanceGO.AddComponent<T>();
+                SetSelfParentRoot(instanceGO, mInstance.ParentRootName);
+                mInstance.OnSingletonInit();
+                return mInstance;
+            }
+        }
+
+        private static bool ApplicationIsQuitting;
+        protected virtual string ParentRootName { get; private set; }
+
+        private static void SetSelfParentRoot(GameObject go, string parentRootName)
+        {
+            if (!AppObjConst.EngineSingletonGo) return;
+
+            if (parentRootName == null)
+            {
+                go.transform.SetParent(AppObjConst.EngineSingletonGo.transform, false);
+            }
+            else
+            {
+                Transform sinleonRoot = AppObjConst.EngineSingletonGo.transform;
+                Transform rootTF = sinleonRoot.Find(parentRootName);
+                if (rootTF == null)
+                {
+                    GameObject rootGo = new GameObject(parentRootName);
+                    switch (parentRootName)
+                    {
+                        case AppObjConst.MonoManagerGoName:
+                            AppObjConst.MonoManagerGo = rootGo;
+                            break;
+                        case AppObjConst.DispatcherGoName:
+                            AppObjConst.DispatcherGo = rootGo;
+                            break;
+                        case AppObjConst.LoaderGoName:
+                            AppObjConst.LoaderGo = rootGo;
+                            break;
+                    }
+
+                    rootTF = rootGo.transform;
+                    rootTF.transform.SetParent(sinleonRoot, false);
+                }
+
+                go.transform.SetParent(rootTF.transform, false);
+            }
+        }
+
+        protected virtual void New()
+        {
+        }
+
+        public virtual void Dispose()
+        {
+            mInstance = null;
+        }
+
+        protected virtual void OnDestroy()
+        {
+            mInstance = null;
+        }
+
+        private void OnApplicationQuit()
+        {
+            ApplicationIsQuitting = true;
+            if (mInstance == null)
+            {
+                return;
+            }
+
+            Destroy(mInstance.gameObject);
+        }
+
+        public void OnSingletonInit()
+        {
+            mInstance.New();
+        }
+    }
+}

Assets/Scripts/Singleton/SingletonUnity.cs.meta

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