xml 序列化

代码

using  System;
using  System.Collections.Generic;
using  System.Linq;
using  System.Text;
using  System.Xml.Serialization;
using  System.IO;

namespace  SerializableTest
{
     class  Programaa
    {
       
         public   void  SerializeDocument()
        {
             string  filename  =   " e:\\books.xml " ;
             // 　Creates　a　new　XmlSerializer.
            XmlSerializer s  =
             new  XmlSerializer( typeof (MyRootClass));

             // 　Writing　the　file　requires　a　StreamWriter.
            TextWriter myWriter  =   new  StreamWriter(filename);

             // 　Creates　an　instance　of　the　class　to　serialize.　
            MyRootClass myRootClass  =   new  MyRootClass();

             /* 　Uses　a　more　advanced　method　of　creating　an　list:
         create　instances　of　the　Item　and　BookItem,　where　BookItem　
         is　derived　from　Item.　 */
            Item item1  =   new  Item();
             // 　Sets　the　objects'　properties.
            item1.ItemName  =   " Widget1 " ;
            item1.ItemCode  =   " w1 " ;
            item1.ItemPrice  =   231 ;
            item1.ItemQuantity  =   3 ;

            BookItem bookItem  =   new  BookItem();
             // 　Sets　the　objects'　properties.
            bookItem.ItemCode  =   " w2 " ;
            bookItem.ItemPrice  =   123 ;
            bookItem.ItemQuantity  =   7 ;
            bookItem.ISBN  =   " 34982333 " ;
            bookItem.Title  =   " Book　of　Widgets " ;
            bookItem.Author  =   " John　Smith " ;

             // 　Sets　the　class's　Items　property　to　the　list.
            myRootClass.Items.Add(item1);
            myRootClass.Items.Add(bookItem);

             /* 　Serializes　the　class,　writes　it　to　disk,　and　closes　
               the　TextWriter.　 */
            s.Serialize(myWriter, myRootClass);
            myWriter.Close();
        }

         public  MyRootClass DeSerialize()
        {
            TextReader reader  =   new  StreamReader( " e:\\books.xml " );
            XmlSerializer serializer  =
            new  XmlSerializer( typeof (MyRootClass));
            var myBooks  =  (MyRootClass)serializer.Deserialize(reader);
            reader.Close();
             return  myBooks;
        }

    }

     // 　This　is　the　class　that　will　be　serialized.
    [Serializable]
     public   class  MyRootClass
    {
         public  MyRootClass()
        {
            items  =   new  List < Item > ();
        }

         private  List < Item >  items;

        [XmlArrayItem(ElementName  =   " Item " ,
   IsNullable  =   true ,
   Type  =   typeof (Item)),
   XmlArrayItem(ElementName  =   " BookItem " ,
   IsNullable  =   true ,
   Type  =   typeof (BookItem))]

         public  List < Item >  Items
        {
             get  {  return  items; }
             set  { items  =  value; }
        }
    }

     public   class  Item
    {
        [XmlElement(ElementName  =   " OrderItem " )]
         public   string  ItemName;
         public   string  ItemCode;
         public   decimal  ItemPrice;
         public   int  ItemQuantity;
    }

     public   class  BookItem : Item
    {
         public   string  Title;
         public   string  Author;
         public   string  ISBN;
    }



}

 

http://tech.ddvip.com/2010-03/1268192963146672_3.html

http://msdn.microsoft.com/en-us/library/ms950721.aspx

 

转载于:https://www.cnblogs.com/wuming/archive/2010/04/23/1718242.html