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Ò»£ºBinaryFormatterÐòÁл¯

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ÔÚÕâƪÎÄÕÂÖÐÎÒ½«Ê¹ÓÃBinaryFormatterÐòÁл¯ÀàBook×÷ΪÀý×Ó,Ï£Íû´ó¼ÒÄÜ´ÓÀý×ÓÖÐÉî¿ÌÌå»áʲôÊÇÐòÁл¯.

¶¨ÒåÀàBook:

[Serializable]
public class Book
{
    string name;
    float      price;
    string author;

    public Book(string bookname, float bookprice, string bookauthor)
    {
     name = bookname;
     price = bookprice;
     author = bookauthor;
    }
}

ÔÚÀàµÄÉÏÃæÔö¼ÓÁËÊôÐÔ:Serializable.(Èç¹û²»¼ÓÕâ¸öÊôÐÔ,½«Å׳öSerializationExceptionÒì³£).

ͨ¹ýÕâ¸öÊôÐÔ½«Book±ê־Ϊ¿ÉÒÔÐòÁл¯µÄ.µ±È»Ò²ÓÐÁíÒ»ÖÖ·½Ê½Ê¹ÀàBook¿ÉÒÔÐòÁл¯,ÄǾÍÊÇʵÐÐISerializable½Ó¿ÚÁË.ÔÚÕâÀï´ó¼ÒҪעÒâÁË:SerializableÊôÐÔÊDz»Äܱ»¼Ì³ÐµÄ¿©!!!

Èç¹ûÄã²»ÏëÐòÁл¯Ä³¸ö±äÁ¿,¸ÃÔõô´¦ÀíÄØ?ºÜ¼òµ¥,ÔÚÆäÇ°Ãæ¼ÓÉÏÊôÐÔ[NonSerialized] .±ÈÈçÎÒ²»ÏëÐòÁл¯

string author;

ÄÇÎÒÖ»ÐèÒª

[NonSerialized]

string author;

ºÃÁË,ÏÖÔھ͸æËß´ó¼ÒÔõôʵÏÖÐòÁл¯:

ÎÒÃÇʹÓÃnamespace:

using System;

using System.IO;

using System.Runtime.Serialization.Formatters.Binary;

Ê×ÏÈ´´½¨BookʵÀý,like this:  

Book book = new Book("Day and Night", 30.0f, "Bruce");

½Ó×ŵ±È»Òª´´½¨Ò»¸öÎļþÁË,Õâ¸öÎļþ¾ÍÊÇÓÃÀ´´æ·ÅÎÒÃÇÒªÐòÁл¯µÄÐÅÏ¢ÁË.

FileStream fs = new FileStream(@"C:\book.dat", FileMode.Create);

ÐòÁл¯µÄʵÏÖÒ²ºÜ¼òµ¥,like this:

      BinaryFormatter formatter = new BinaryFormatter();
      formatter.Serialize(fs, book);

ºÜ¼òµ¥°É!ÏÖÔÚÎÒÁгöÕû¸öÔ­´úÂë,°üÀ¨·´ÐòÁл¯.

    static void Main(string[] args)
    {
     Book book = new Book("Day and Night", 30.0f, "Bruce");

     using(FileStream fs = new FileStream(@"C:\book.dat", FileMode.Create))
     {
      BinaryFormatter formatter = new BinaryFormatter();
      formatter.Serialize(fs, book);
     }

     book = null;

     using(FileStream fs = new FileStream(@"C:\book.dat", FileMode.Open))
     {
      BinaryFormatter formatter = new BinaryFormatter();
      book = (Book)formatter.Deserialize(fs);//ÔÚÕâÀï´ó¼ÒҪעÒâ¿©,ËûµÄ·µ»ØÖµÊÇobject
     }