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unity/Assets/Script/SaveSystem/SaveSystem.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using UnityEngine;
+
+public static class SaveSystem
+{
+    public static bool IsHaveFile(string FilePath)
+    {
+        if (File.Exists(FilePath))
+            return true;
+        else
+            return false;
+    }
+    public static void CreateFile(string FilePath, bool IfHaveFileIsCreate = false)
+    {
+        if (!File.Exists(FilePath))
+        {
+            File.CreateText(FilePath);
+        }
+    }
+
+    public static void SaveDate(string fileName, object date)
+    {
+        var json = JsonUtility.ToJson(date);
+
+        string path = Path.Combine(Application.persistentDataPath, fileName);
+
+        if (!IsHaveFile(path))
+        {
+            //Debug.Log("文件不存在");
+            CreateFile(path);
+        }
+        try
+        {
+            File.WriteAllText(path, json);
+            Debug.Log("存档成功");
+        }
+        catch (Exception)
+        {
+            Debug.Log("存档创建失败");
+            SaveDate(fileName,date);
+        }
+    }
+    public static T LoadDate<T>(string fileName)
+    {
+
+        var path = Path.Combine(Application.persistentDataPath, fileName);
+
+        if (IsHaveFile(path))
+        {
+            var json = File.ReadAllText(path);
+
+            T date = JsonUtility.FromJson<T>(json);
+            Debug.Log("读档成功}");
+            return date;
+        }
+        return default;
+    }
+    public static void DeleteDate(string fileName)
+    {
+        var path = Path.Combine(Application.persistentDataPath, fileName);
+        if (!IsHaveFile(path))
+        {
+            return;//不存在
+        }
+        File.Delete(path);
+        Debug.Log("删除成功");
+    }
+}