【m】

Assets/UI/Scripts/UIFramework/Runtime/Other/Singleton.cs

@@ -0,0 +1,71 @@
+using UnityEngine;
+
+public abstract class Singleton<T> where T : new()
+{
+    private static T _ServiceContext;
+    private readonly static object lockObj = new object();
+
+    /// <summary>
+    /// 禁止外部进行实例化
+    /// </summary>
+    protected Singleton()
+    {
+        OnInitialize();
+    }
+
+    /// <summary>
+    /// 获取唯一实例，双锁定防止多线程并发时重复创建实例
+    /// </summary>
+    /// <returns></returns>
+    public static T Instance
+    {
+        get
+        {
+            if (_ServiceContext == null)
+            {
+                lock (lockObj)
+                {
+                    if (_ServiceContext == null)
+                    {
+                        _ServiceContext = new T();
+                    }
+                }
+            }
+            return _ServiceContext;
+        }
+    }
+    public virtual void OnInitialize() { }
+
+    public void Init() { }
+}
+
+
+public class SingletonMono<T> : MonoBehaviour where T : MonoBehaviour
+{
+    private static T _instance;
+
+    public static T Instance
+    {
+        get
+        {
+            if (_instance == null)
+            {
+                _instance = (T)FindObjectOfType(typeof(T));
+                if (_instance == null)
+                {
+                    GameObject singleton = new GameObject();
+                    _instance = singleton.AddComponent<T>();
+                    singleton.name = typeof(T).ToString();
+                    DontDestroyOnLoad(singleton);
+                }
+            }
+            return _instance;
+        }
+    }
+
+    public virtual void OnDestroy()
+    {
+        _instance = null;
+    }
+}
+