Unity中将类对象保存到XML中

该代码包含两个功能

（1）在Unity中在本地创建XML文件，将类对象转换为字符串保存到XML文件中

（2）将存入的XML文件读取出来转换为相应的 类对象

using UnityEngine;using System;using System.Collections;using System.Collections.Generic;using System.IO;using System.Xml;using System.Xml.Serialization;using System.Text;public class AAA{    public int num;    public BBB bbb;    public AAA()    {        num = 0;        bbb = new BBB();    }}public class BBB{    string name;    public BBB()    {        name = "aaaaa";    }}// 将类对象保存为 XML， 将XML读取为类对象public class WriteReadTxt : MonoBehaviour {    string path = "";    void Start()    {        path = Application.dataPath + "StreamingAssets/AAA/1.xml";    }    void Update()    {        if (Input.GetKeyDown(KeyCode.A))  //  保存对象        {            AAA aaa = new AAA();            CreateWriteXML<AAA>( path, aaa, true);  // 将类直接保存为 XML文件        }        if (Input.GetKeyDown(KeyCode.D))   // 读取对象        {            AAA aaa = new AAA();            aaa = ReadXmlFile<AAA>(path);  // 将读取的XML文件转换为类        }    }    // 创建写入文件 ， 参数1 文件路径， 参数 2 写入信息, 参数3 是否删除之前的重新创建    public void CreateWriteFile(string path, string info, bool isRelace)     {        StreamWriter sw;        FileInfo t = new FileInfo( path); //获取路径下文件信息if (t.Exists && isRelace)  //如果存在则删除{File.Delete(path);}        if (!t.Exists)        //如果文件不存在则创建一个        {sw = t.CreateText();        }        else         {            sw = t.AppendText();        }        sw.WriteLine( info);   //写入信息        sw.Close();        sw.Dispose();    }    //读取文件， 参数1 文件路径， 参数2 保存路径的集合    public List<string> ReadTxtFile(string path, List<string> saveList)     {        FileInfo info = new FileInfo(path);  //获取路径下文件信息        if (!info.Exists)   //如果不存在返回        {Debug.Log("!exist    " + path);            return saveList;        }        StreamReader sr = null;        sr = File.OpenText(path);  //存在则打开文件        string line;        while ((line = sr.ReadLine()) != null)  // 一行一行读取文件        {            saveList.Add(line);    //向保存文件集合添加 路径字符串        }        sr.Close();        sr.Dispose();        return saveList;    }    // 参数1 路径，参数2 需要保存的类，参数3 是否需要替换    public void CreateWriteXML<T>( string path, T t, bool isRelace)     {        string data = SerializeObject<T>(t);  // 将类对象转换为 字符串        CreateWriteFile(path, data, isRelace);    }    public T ReadXmlFile<T>(string path)    {        List<string> dataList = new List<string>();        string data = "";        dataList = ReadTxtFile(path, dataList);        foreach (string str in dataList)        {            data += str;        }        T t = (T)DeserializeObject<T>(data);        return t;    }    private string UTF8ByteArrayToString(byte[] characters)    {        UTF8Encoding encoding = new UTF8Encoding();        string constructedString = encoding.GetString(characters);        return (constructedString);    }    private byte[] StringToUTF8ByteArray(string pXmlString)    {        UTF8Encoding encoding = new UTF8Encoding();        byte[] byteArray = encoding.GetBytes(pXmlString);        return byteArray;    }    // 保存xml 前先将 类对象转换为 字符串    private string SerializeObject<T>(object pObject)     {        string XmlizedString = null;        MemoryStream memoryStream = new MemoryStream();        //XmlSerializer xs = new XmlSerializer(typeof(UserData));        XmlSerializer xs = new XmlSerializer(typeof(T));        XmlTextWriter xmlTextWriter = new XmlTextWriter(memoryStream, Encoding.UTF8);        xs.Serialize(xmlTextWriter, pObject);        memoryStream = (MemoryStream)xmlTextWriter.BaseStream;        XmlizedString = UTF8ByteArrayToString(memoryStream.ToArray());        return XmlizedString;    }    // 将读取的xml字符串转换为 类对象    private object DeserializeObject<T>(string pXmlizedString)      {        //XmlSerializer xs = new XmlSerializer(typeof(UserData));        XmlSerializer xs = new XmlSerializer(typeof(T));        MemoryStream memoryStream = new MemoryStream(StringToUTF8ByteArray(pXmlizedString));        XmlTextWriter xmlTextWriter = new XmlTextWriter(memoryStream, Encoding.UTF8);        return xs.Deserialize(memoryStream);    }}