Unity3D教程宝典之两步实现超实用的XML存档

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. publicstring key;
20. //下面是添加需要储存的内容//
21. publicstring PlayerName;
22. publicfloat MusicVolume;
23. publicGameData()
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. privatestring dataFileName ="tankyWarData.dat";//存档文件的名称,自己定//
33. private XmlSaver xs = new XmlSaver();
35. public GameData gameData;
37. publicvoid Awake()
38. {
39. gameData =new GameData();
41. //设定密钥，根据具体平台设定//
42. gameData.key= SystemInfo.deviceUniqueIdentifier;
43. Load();
44. }
46. //存档时调用的函数//
47. public void Save()
48. {
49. stringgameDataFile = GetDataPath() + "/"+dataFileName;
50. stringdataString= xs.SerializeObject(gameData,typeof(GameData));
51. xs.CreateXML(gameDataFile,dataString);
52. }
54. //读档时调用的函数//
55. public void Load()
56. {
57. stringgameDataFile = GetDataPath() + "/"+dataFileName;
58. if(xs.hasFile(gameDataFile))
59. {
60. string dataString =xs.LoadXML(gameDataFile);
61. GameData gameDataFromXML =xs.DeserializeObject(dataString,typeof(GameData)) as GameData;
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. }
81. //获取路径//
82. privatestatic string GetDataPath()
83. {
84. // Your gamehas read+write access to/var/mobile/Applications/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX/Documents
85. //Application.dataPath returnsar/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. // Stripapplication name
91. path =path.Substring(0,path.LastIndexOf('/'));
92. return path+ "/Documents";
93. }
94. else
95. // returnApplication.dataPath + "/Resources";
96. returnApplication.dataPath;
97. }
98. }

XmlSaver.cs的内容

1. //=========================================================================================================
2. //Note: XML processcing, can not savemultiple-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. publicstring 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();
27. byte[]toEncryptArray = UTF8Encoding.UTF8.GetBytes(toE);
28. byte[]resultArray =cTransform.TransformFinalBlock(toEncryptArray,toEncryptArray.Length);
30. returnConvert.ToBase64String(resultArray,resultArray.Length);
31. }
33. //内容解密
34. publicstring 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");
39. RijndaelManaged rDel = new RijndaelManaged();
40. rDel.Key =keyArray;
41. rDel.Mode =CipherMode.ECB;
42. rDel.Padding= PaddingMode.PKCS7;
43. ICryptoTransform cTransform = rDel.CreateDecryptor();
45. byte[]toEncryptArray = Convert.FromBase64String(toD);
46. byte[]resultArray =cTransform.TransformFinalBlock(toEncryptArray,toEncryptArray.Length);
48. returnUTF8Encoding.UTF8.GetString(resultArray);
49. }
51. publicstring SerializeObject(object pObject,System.Type ty)
52. {
53. stringXmlizedString = null;
54. MemoryStreammemoryStream = new MemoryStream();
55. XmlSerializerxs = new XmlSerializer(ty);
56. XmlTextWriterxmlTextWriter = new XmlTextWriter(memoryStream,Encoding.UTF8);
57. xs.Serialize(xmlTextWriter,pObject);
58. memoryStream =(MemoryStream)xmlTextWriter.BaseStream;
59. XmlizedString =UTF8ByteArrayToString(memoryStream.ToArray());
60. return XmlizedString;
61. }
63. publicobject DeserializeObject(string pXmlizedString,System.Typety)
64. {
65. XmlSerializerxs = new XmlSerializer(ty);
66. MemoryStreammemoryStream = newMemoryStream(StringToUTF8ByteArray(pXmlizedString));
67. XmlTextWriterxmlTextWriter = newXmlTextWriter(memoryStream,Encoding.UTF8);
68. returnxs.Deserialize(memoryStream);
69. }
71. //创建XML文件
72. publicvoid 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. }
81. //读取XML文件
82. publicstring 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. }
91. //判断是否存在文件
92. publicbool hasFile(String fileName)
93. {
94. returnFile.Exists(fileName);
95. }
96. publicstring UTF8ByteArrayToString(byte[] characters)
97. {
98. UTF8Encodingencoding = new UTF8Encoding();
99. stringconstructedString =encoding.GetString(characters);
100. return(constructedString);
101. }
103. publicbyte[] StringToUTF8ByteArray(String pXmlString )
104. {
105. UTF8Encodingencoding = new UTF8Encoding();
106. byte[]byteArray = encoding.GetBytes(pXmlString);
107. return byteArray;
108. }
109. }