系列5:序列化与反序列化
代码范例;
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using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
// The binary formatter is in mscorlib.dll
using System.Runtime.Serialization.Formatters.Binary;
// Must reference System.Runtime.Serialization.Formatters.Soap.dll!
using System.Runtime.Serialization.Formatters.Soap;
// XML formatter is also in mscorlib.dll.
using System.Xml.Serialization;
using System.Collections;
namespace SimpleSerialization
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Object Serialization *****\n");
// Make a JamesBondCar and set state.
JamesBondCar jbc = new JamesBondCar();
jbc.canFly = true;
jbc.canSubmerge = false;
jbc.theRadio.stationPresets = new double[]{89.3, 105.1, 97.1};
jbc.theRadio.hasTweeters = true;
#region BinaryFormatter Logic
// Save object to a file named CarData.dat in binary.
BinaryFormatter binFormat = new BinaryFormatter();
Stream fStream = new FileStream("CarData.dat",
FileMode.Create, FileAccess.Write, FileShare.None);
binFormat.Serialize(fStream, jbc);
fStream.Close();
Console.WriteLine("-> Saved JamesBondCar in binary format.");
// Read the JamesBondCar from the binary stream.
fStream = File.OpenRead("CarData.dat");
JamesBondCar carFromDisk =
(JamesBondCar)binFormat.Deserialize(fStream);
Console.WriteLine("Can this car fly? : {0}", carFromDisk.canFly);
fStream.Close();
#endregion
#region SoapFormatter Logic
// Save object to a file named CarData.soap in SOAP format.
SoapFormatter soapForamt = new SoapFormatter();
fStream = new FileStream("CarData.soap",
FileMode.Create, FileAccess.Write, FileShare.None);
soapForamt.Serialize(fStream, jbc);
fStream.Close();
Console.WriteLine("-> Saved JamesBondCar in SOAP format.");
#endregion
#region XmlSeralizer Logic
// Save object to a file named CarData.xml in XML format.
XmlSerializer xmlForamt = new XmlSerializer(typeof(JamesBondCar),
new Type[] { typeof(Radio), typeof(Car) });
fStream = new FileStream("CarData.xml",
FileMode.Create, FileAccess.Write, FileShare.None);
xmlForamt.Serialize(fStream, jbc);
fStream.Close();
Console.WriteLine("-> Saved JamesBondCar in XML format.");
#endregion
#region Persist an ArrayList of serializable objects
// Now persiste an ArrayList of JamesBondCars.
ArrayList myCars = new ArrayList();
myCars.Add(new JamesBondCar(true, true));
myCars.Add(new JamesBondCar(true, false));
myCars.Add(new JamesBondCar(false, true));
myCars.Add(new JamesBondCar(false, false));
fStream = new FileStream("CarCollection.xml",
FileMode.Create, FileAccess.Write, FileShare.None);
xmlForamt = new XmlSerializer(typeof(ArrayList),
new Type[] { typeof(JamesBondCar), typeof(Car), typeof(Radio) });
xmlForamt.Serialize(fStream, myCars);
fStream.Close();
Console.WriteLine("-> Saved ArrayList of JamesBondCar in XML format.\n");
#endregion
Console.ReadLine();
}
}
}