使用内存流序列化/反序列化 [英] Serializing/deserializing with memory stream
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问题描述
我在使用内存流进行序列化时遇到问题.这是我的代码:
I'm having an issue with serializing using memory stream. Here is my code:
/// <summary>
/// serializes the given object into memory stream
/// </summary>
/// <param name="objectType">the object to be serialized</param>
/// <returns>The serialized object as memory stream</returns>
public static MemoryStream SerializeToStream(object objectType)
{
MemoryStream stream = new MemoryStream();
IFormatter formatter = new BinaryFormatter();
formatter.Serialize(stream, objectType);
return stream;
}
/// <summary>
/// deserializes as an object
/// </summary>
/// <param name="stream">the stream to deserialize</param>
/// <returns>the deserialized object</returns>
public static object DeserializeFromStream(MemoryStream stream)
{
IFormatter formatter = new BinaryFormatter();
stream.Seek(0, SeekOrigin.Begin);
object objectType = formatter.Deserialize(stream);
return objectType;
}
我得到的错误如下:流不是有效的二进制格式.起始内容(以字节为单位)是:blah....
The error I'm getting is as follow: stream is not a valid binary format. The starting contents (in bytes) are: blah....
我不确定是什么导致了错误.任何帮助将不胜感激.
I'm not exactly sure what is causing the error. Any help would be greatly appreciated.
调用示例:
Dog myDog = new Dog();
myDog.Name= "Foo";
myDog.Color = DogColor.Brown;
MemoryStream stream = SerializeToStream(myDog)
Dog newDog = (Dog)DeserializeFromStream(stream);
推荐答案
此代码适用于我:
public void Run()
{
Dog myDog = new Dog();
myDog.Name= "Foo";
myDog.Color = DogColor.Brown;
System.Console.WriteLine("{0}", myDog.ToString());
MemoryStream stream = SerializeToStream(myDog);
Dog newDog = (Dog)DeserializeFromStream(stream);
System.Console.WriteLine("{0}", newDog.ToString());
}
类型是这样的:
[Serializable]
public enum DogColor
{
Brown,
Black,
Mottled
}
[Serializable]
public class Dog
{
public String Name
{
get; set;
}
public DogColor Color
{
get;set;
}
public override String ToString()
{
return String.Format("Dog: {0}/{1}", Name, Color);
}
}
和实用方法是:
public static MemoryStream SerializeToStream(object o)
{
MemoryStream stream = new MemoryStream();
IFormatter formatter = new BinaryFormatter();
formatter.Serialize(stream, o);
return stream;
}
public static object DeserializeFromStream(MemoryStream stream)
{
IFormatter formatter = new BinaryFormatter();
stream.Seek(0, SeekOrigin.Begin);
object o = formatter.Deserialize(stream);
return o;
}
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