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Assets/CoolapeFrame/Scripts/toolkit/PlayerPrefsEx.cs

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+using UnityEngine;
+using System.Collections;
+using System;
+
+public class PlayerPrefsEx
+{
+	public static string UUID_KEY = "player_perfs_uuid_key";
+	public static object oLock = new object ();
+	
+	//生成一次uuid。并且自动保存在本地。
+	//只要不删游戏。uuid不变。
+	public static string generatorUUID ()
+	{
+		lock (oLock) {
+			if (HasKey (UUID_KEY)) {
+				return GetString (UUID_KEY);
+			} else {
+				string uuid_value = "guid_" + System.Guid.NewGuid ().ToString ();
+				SetValue (UUID_KEY, uuid_value);
+				Save ();
+				return uuid_value;
+			}
+		}
+	}
+	
+	public static string changeUUID (string uuid_value)
+	{
+		lock (oLock) {
+			if (HasKey (UUID_KEY)) {
+				DeleteKey (UUID_KEY);
+			}
+			SetValue (UUID_KEY, uuid_value);
+			Save ();
+			return uuid_value;
+		}
+	}
+	
+	public static bool HasKey (string key)
+	{
+		return PlayerPrefs.HasKey (key);
+	}
+	
+	public static void SetValue (string key, byte[] val)
+	{
+		string base64 = Convert.ToBase64String (val);
+		SetValue (key, base64);
+	}
+
+	public static void SetValue (string key, string val)
+	{
+		PlayerPrefs.SetString (key, val);
+	}
+
+	public static void SetValue (string key, int val)
+	{
+		PlayerPrefs.SetInt (key, val);
+	}
+
+	public static void SetValue (string key, float val)
+	{
+		PlayerPrefs.SetFloat (key, val);
+	}
+	
+	public static void Save ()
+	{
+		PlayerPrefs.Save ();
+	}
+	
+	public static byte[] GetBytes (string key)
+	{
+		string base64 = GetString (key);
+		return Convert.FromBase64String (base64);
+	}
+	
+	public static string GetString (string key)
+	{
+		return PlayerPrefs.GetString (key);
+	}
+
+	public static int GetInt (string key)
+	{
+		return PlayerPrefs.GetInt (key);
+	}
+
+	public static float GetFloat (string key)
+	{
+		return PlayerPrefs.GetFloat (key);
+	}
+	
+	public static void DeleteAll ()
+	{
+		PlayerPrefs.DeleteAll ();
+	}
+	
+	public static void DeleteKey (string key)
+	{
+		PlayerPrefs.DeleteKey (key);
+	}
+}