✨ 更新

Runtime/Tools/ScriptableObject/ScriptableObjectExt.cs

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+using System;
+using System.IO;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+
+namespace AIO
+{
+    [Serializable]
+    public class ScriptableObject<T> : ScriptableObject where T : ScriptableObject<T>
+    {
+#if UNITY_EDITOR
+        private static T instance;
+#endif
+
+        private static T GetResource() { return Resources.LoadAll<T>(typeof(T).Name).FirstOrDefault(item => item); }
+
+        public static T GetOrCreate()
+        {
+#if UNITY_EDITOR
+            if (!instance)
+            {
+                foreach (var item in AssetDatabase
+                                     .FindAssets($"t:{typeof(T).Name}", new[] { "Assets", })
+                                     .Select(AssetDatabase.GUIDToAssetPath)
+                                     .Select(AssetDatabase.LoadAssetAtPath<T>)
+                                     .Where(item => item))
+                {
+                    instance = item;
+                    break;
+                }
+
+                if (!instance)
+                {
+                    instance = CreateInstance<T>();
+                    var resourcesDir = Path.Combine(Application.dataPath, "Resources");
+                    if (!Directory.Exists(resourcesDir)) Directory.CreateDirectory(resourcesDir);
+                    AssetDatabase.CreateAsset(instance, $"Assets/Resources/{typeof(T).Name}.asset");
+                    AssetDatabase.SaveAssets();
+                }
+            }
+
+            if (!instance) throw new Exception($"Not found {typeof(T).Name}.asset ! Please create it !");
+            return instance;
+#else
+            return GetResource();
+#endif
+        }
+    }
+}

Tools~/.gitignore

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+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+[Xx]64/
+[Xx]86/
+[Bb]uild/
+[Bb]ld/
+[Bb]in/
+[Oo]bj/
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignoreable files
+*.nuget.props
+*.nuget.targets
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# FAKE - F# Make
+.fake/