출처 : http://stackoverflow.com/questions/8334527/c-sharp-save-listt-to-xml-file

attribue 변경

출처 : https://msdn.microsoft.com/en-us/library/2baksw0z(v=vs.110).aspx

새로 클래스 만들었을 때는 빈 생성자가 있어야 한다.

출처 : http://egloos.zum.com/openyou/v/2512297

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Xml.Serialization;

namespace ClassDataWriteToXMLfile

{

public class BookList

{

[XmlArray("ExtensionList"), XmlArrayItem(typeof(String), ElementName = "Extension")]

public List<string> ExtensionList;

private List<Book> _list;

public BookList() { }

public BookList(List<Book> bList)

{

this._list = bList;

}

public List<Book> List

{

get { return _list; }

set { _list = value; }

}

public void ListWrite()

{

foreach (Book b in _list)

{

Console.WriteLine(string.Format("가격 : {0}, 내용 : {1}, 총페이지 : {2}", b.amount, b.text, b.totalPage));

}

}

}

public class Book

{

[XmlIgnore]

public string totalPage { get; set; }

[XmlElement("totalPage")]

public System.Xml.XmlCDataSection totalPageCData

{

get { return new System.Xml.XmlDocument().CreateCDataSection(totalPage); }

set { totalPage = value.Value; }

}

[XmlIgnore]

public string text { get; set; }

[XmlElement("text")]

public System.Xml.XmlCDataSection textCData

{

get { return new System.Xml.XmlDocument().CreateCDataSection(text); }

set { text = value.Value; }

}

public int amount { get; set; }

public Book() { }

public Book(int amount)

{

this.amount = amount;

}

public Book(int amount, string totalpage)

{

this.amount = amount;

this.totalPage = totalpage;

}

public Book(int amount, string totalpage, string text)

{

this.amount = amount;

this.totalPage = totalpage;

this.text = text;

}

}

class Program

{

static void Main(string[] args)

{

string str = string.Empty;

try

{

int[] a = { 5, 6, 7, 8 };

int[] p = { 12, 13, 11, 15 };

List<Book> list = new List<Book>();

for (int i = 0; i < a.Length; i++)

{

list.Add(new Book(p[i], a[i].ToString(), i.ToString()));

}

BookList bList = new BookList(list);

//리스트를 가진 클래스를 따로 만들어 보내거나

str = XMLSerializer.ToXML<BookList>(bList);

//List<T>를 그냥 보내거나

str = XMLSerializer.ToXML<List<Book>>(list);

Console.WriteLine(str);

//파일로 내려주기

string path = Environment.CurrentDirectory + "//test.xml";

XMLSerializer.ToXMLFile<BookList>(bList, path);

//내려준 파일 읽기

Console.WriteLine("여기서부터는 XML 파일을 읽어서 객체로 만든 다음 다시 출력하는 것으로");

BookList blst = XMLSerializer.FromXMLFile<BookList>(path);

blst.ListWrite();

}

catch (Exception ex)

{

Console.WriteLine(ex.Message);

}

finally

{

Console.Read();

}

}

}

public static class XMLSerializer

{

public static T FromXML<T>(string xml)

{

using (StringReader sr = new StringReader(xml))

{

XmlSerializer serializer = new XmlSerializer(typeof(T));

return (T)serializer.Deserialize(sr);

}

}

public static T FromXMLFile<T>(string path)

{

string xml = string.Empty;

using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read))

{

using (StreamReader sr = new StreamReader(fs, System.Text.Encoding.Default))

{

sr.BaseStream.Seek(0, SeekOrigin.Begin);

while (sr.Peek() > -1)

{

xml = sr.ReadToEnd();

}

}

}

using (StringReader sr = new StringReader(xml))

{

XmlSerializer serializer = new XmlSerializer(typeof(T));

return (T)serializer.Deserialize(sr);

}

}

public static string ToXML<T>(T obj)

{

using (StringWriter sw = new StringWriter(new StringBuilder()))

{

XmlSerializer xmlSerializer = new XmlSerializer(typeof(T));

xmlSerializer.Serialize(sw, obj);

return sw.ToString();

}

}

public static void ToXMLFile<T>(T obj, string path)

{

using (StringWriter strw = new StringWriter(new StringBuilder()))

{

XmlSerializer xmlSerializer = new XmlSerializer(typeof(T));

xmlSerializer.Serialize(strw, obj);

string strXML = strw.ToString();

using (FileStream fs = new FileStream(path, FileMode.Create, FileAccess.Write))

{

using (StreamWriter sw = new StreamWriter(fs))

{

sw.WriteLine(strXML);

}

}

}

}

}

}

Class를 Xml 파일로 바꾸기