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原创文章如需转载请注明：转载自风宇冲Unity3D教程学院

                   两步实现超实用的XML存档

本套存档的优点：易使用，跨平台，防作弊（内容加密 + 防拷贝）

脚本下载地址

使用方法非常简单：
把GameDataManager和XmlSaver两个脚本添加至工程后
(1)新建一个GameObject,起名GameDataManager并将GameDataManager脚本拖到上面。
(2)在GameDataManager里的GameData类中添加需要储存的数据
OK，跨平台防破解防拷贝的存档就搞定了！之后每次存档调用GameDataManager的Save函数，读档调用GameDataManager的Load函数。每次启动后GameDataManager会自动调用Load读档。如果玩家拿外来存档来覆盖本地存档，则游戏启动后数据清零，任何一次存档后作弊档被自动覆盖。注意：请勿放入二维以上数组，一般一维数据，枚举，自定义类 等等数据类型可放心添加。




PS:风宇冲自己的U3d单机游戏和公司的单机游戏都用的这个XML存档,iOS,Android,PC,MAC都使用过的。放心使用吧。密钥的设定根据平台而定。

附：脚本代码
                                    GameDataManager.cs的内容

1. //=========================================================================================================
2. //Note: Data Managing.
3. //Date Created: 2012/04/17 by 风宇冲
4. //Date Modified: 2012/12/14 by 风宇冲
5. //=========================================================================================================
6. using UnityEngine;
7. using System.Collections;
8. using System.IO;
9. using System.Collections.Generic;
10. using System;
11. using System.Text;
12. using System.Xml;
13. using System.Security.Cryptography;
14. //GameData,储存数据的类，把需要储存的数据定义在GameData之内就行//
15. public class GameData
16. {
17.     //密钥,用于防止拷贝存档//
18.     public string key;
19.    
20.     //下面是添加需要储存的内容//
21.     public string PlayerName;
22.     public float MusicVolume;
23.     public GameData()
24.     {
25.         PlayerName = "Player";
26.         MusicVolume = 0.6f;
27.     }
28. }
29. //管理数据储存的类//
30. public class GameDataManager:MonoBehaviour
31. {
32.     private string dataFileName ="tankyWarData.dat";//存档文件的名称,自己定//
33.     private  XmlSaver xs = new XmlSaver();
34.    
35.     public  GameData gameData;
36.    
37.     public void Awake()
38.     {
39.         gameData = new GameData();
40.        
41.         //设定密钥，根据具体平台设定//
42.         gameData.key = SystemInfo.deviceUniqueIdentifier;
43.         Load();
44.     }
45.    
46.     //存档时调用的函数//
47.     public  void Save()
48.     {
49.         string gameDataFile = GetDataPath() + "/"+dataFileName;
50.         string dataString= xs.SerializeObject(gameData,typeof(GameData));
51.         xs.CreateXML(gameDataFile,dataString);
52.     }
53.    
54.     //读档时调用的函数//
55.     public  void Load()
56.     {
57.         string gameDataFile = GetDataPath() + "/"+dataFileName;
58.         if(xs.hasFile(gameDataFile))
59.         {
60.            string dataString = xs.LoadXML(gameDataFile);
61.            GameData gameDataFromXML = xs.DeserializeObject(dataString,typeof(GameData)) as GameData;
62.            
63.             //是合法存档//
64.              if(gameDataFromXML.key == gameData.key)
65.             {
66.                 gameData = gameDataFromXML;
67.             }
68.             //是非法拷贝存档//
69.             else
70.             {
71.                 //留空：游戏启动后数据清零，存档后作弊档被自动覆盖//
72.             }
73.         }
74.         else
75.         {
76.             if(gameData != null)
77.             Save();
78.         }
79.     }
80.    
81.     //获取路径//
82.     private static string GetDataPath()
83.     {
84.         // Your game has read+write access to /var/mobile/Applications/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX/Documents
85.         // Application.dataPath returns ar/mobile/Applications/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX/myappname.app/Data             
86.         // Strip "/Data" from path
87.         if(Application.platform == RuntimePlatform.IPhonePlayer)
88.         {
89.             string path = Application.dataPath.Substring (0, Application.dataPath.Length - 5);
90.             // Strip application name
91.             path = path.Substring(0, path.LastIndexOf('/')); 
92.             return path + "/Documents";
93.         }
94.         else
95.         //    return Application.dataPath + "/Resources";
96.             return Application.dataPath;
97.     }
98. }

1. //=========================================================================================================
2. //Note: XML processcing,  can not save multiple-array!!!
3. //Date Created: 2012/04/17 by 风宇冲
4. //Date Modified: 2012/04/19 by 风宇冲
5. //=========================================================================================================
6. using UnityEngine;
7. using System.Collections;
8. using System.Xml;
9. using System.Xml.Serialization;
10. using System.IO;
11. using System.Text;
12. using System.Security.Cryptography;
13. using System;
14. public class XmlSaver
15. {   
16.     //内容加密
17.     public string Encrypt(string toE)
18.     {
19.         //加密和解密采用相同的key,具体自己填，但是必须为32位//
20.         byte[] keyArray = UTF8Encoding.UTF8.GetBytes("12348578902223367877723456789012");
21.         RijndaelManaged rDel = new RijndaelManaged();
22.         rDel.Key = keyArray;
23.         rDel.Mode = CipherMode.ECB;
24.         rDel.Padding = PaddingMode.PKCS7;
25.         ICryptoTransform cTransform = rDel.CreateEncryptor();
26.        
27.         byte[] toEncryptArray = UTF8Encoding.UTF8.GetBytes(toE);
28.         byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray,0,toEncryptArray.Length);
29.    
30.         return Convert.ToBase64String(resultArray,0,resultArray.Length);
31.     }
32.    
33.     //内容解密
34.     public string Decrypt(string toD)
35.     {
36.         //加密和解密采用相同的key,具体值自己填，但是必须为32位//
37.         byte[] keyArray = UTF8Encoding.UTF8.GetBytes("12348578902223367877723456789012");
38.        
39.         RijndaelManaged rDel = new RijndaelManaged();
40.         rDel.Key = keyArray;
41.         rDel.Mode = CipherMode.ECB;
42.         rDel.Padding = PaddingMode.PKCS7;
43.         ICryptoTransform cTransform = rDel.CreateDecryptor();
44.        
45.         byte[] toEncryptArray = Convert.FromBase64String(toD);
46.         byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray,0,toEncryptArray.Length);
47.        
48.         return UTF8Encoding.UTF8.GetString(resultArray);
49.     }
50.    
51.     public string SerializeObject(object pObject,System.Type ty)
52.     {
53.        string XmlizedString   = null;
54.        MemoryStream memoryStream  = new MemoryStream();
55.        XmlSerializer xs  = new XmlSerializer(ty);
56.        XmlTextWriter xmlTextWriter  = new XmlTextWriter(memoryStream, Encoding.UTF8);
57.        xs.Serialize(xmlTextWriter, pObject);
58.        memoryStream = (MemoryStream)xmlTextWriter.BaseStream;
59.        XmlizedString = UTF8ByteArrayToString(memoryStream.ToArray());
60.        return XmlizedString;
61.     }
62.    
63.     public object DeserializeObject(string pXmlizedString , System.Type ty)
64.     {
65.        XmlSerializer xs  = new XmlSerializer(ty);
66.        MemoryStream memoryStream  = new MemoryStream(StringToUTF8ByteArray(pXmlizedString));
67.        XmlTextWriter xmlTextWriter   = new XmlTextWriter(memoryStream, Encoding.UTF8);
68.        return xs.Deserialize(memoryStream);
69.     }
70.    
71.     //创建XML文件
72.     public void CreateXML(string fileName,string thisData)
73.     {
74.        string xxx = Encrypt(thisData);
75.        StreamWriter writer;
76.        writer = File.CreateText(fileName);
77.        writer.Write(xxx);
78.        writer.Close();
79.     }
80.    
81.     //读取XML文件
82.     public string LoadXML(string fileName)
83.     {
84.        StreamReader sReader = File.OpenText(fileName);
85.        string dataString = sReader.ReadToEnd();
86.        sReader.Close();
87.        string xxx = Decrypt(dataString);
88.        return xxx;
89.     }
90.    
91.     //判断是否存在文件
92.     public bool hasFile(String fileName)
93.     {
94.        return File.Exists(fileName);
95.     }
96.     public string UTF8ByteArrayToString(byte[] characters  )
97.     {    
98.        UTF8Encoding encoding  = new UTF8Encoding();
99.        string constructedString  = encoding.GetString(characters);
100.        return (constructedString);
101.     }
102.    
103.     public byte[] StringToUTF8ByteArray(String pXmlString )
104.     {
105.        UTF8Encoding encoding  = new UTF8Encoding();
106.        byte[] byteArray  = encoding.GetBytes(pXmlString);
107.        return byteArray;
108.     }
109. }