一个序列化的简单示例

一个序列化的简单示例


using System;


using System.IO;


using System.Collections;


using System.Runtime.Serialization.Formatters.Binary;


using System.Runtime.Serialization;




public class App




...{


[STAThread]


static void Main()




...{


Serialize();


Deserialize();


}




static void Serialize()




...{


// Create a hashtable of values that will eventually be serialized.


Hashtable addresses = new Hashtable();


addresses.Add("Jeff", "123 Main Street, Redmond, WA 98052");


addresses.Add("Fred", "987 Pine Road, Phila., PA 19116");


addresses.Add("Mary", "PO Box 112233, Palo Alto, CA 94301");




// To serialize the hashtable and its key/value pairs,


// you must first open a stream for writing.


// In this case, use a file stream.


FileStream fs = new FileStream("DataFile.dat", FileMode.Create);




// Construct a BinaryFormatter and use it to serialize the data to the stream.


BinaryFormatter formatter = new BinaryFormatter();


try




...{


formatter.Serialize(fs, addresses);


}


catch (SerializationException e)




...{


Console.WriteLine("Failed to serialize. Reason: " + e.Message);


throw;


}


finally




...{


fs.Close();


}


}






static void Deserialize()




...{


// Declare the hashtable reference.


Hashtable addresses = null;




// Open the file containing the data that you want to deserialize.


FileStream fs = new FileStream("DataFile.dat", FileMode.Open);


try




...{


BinaryFormatter formatter = new BinaryFormatter();




// Deserialize the hashtable from the file and


// assign the reference to the local variable.


addresses = (Hashtable)formatter.Deserialize(fs);


}


catch (SerializationException e)




...{


Console.WriteLine("Failed to deserialize. Reason: " + e.Message);


throw;


}


finally




...{


fs.Close();


}




// To prove that the table deserialized correctly,


// display the key/value pairs.


foreach (DictionaryEntry de in addresses)




...{


Console.WriteLine("{0} lives at {1}.", de.Key, de.Value);


}


}


}