使用内存流进行序列化/反序列化
使用内存流进行序列化/反序列化
提问于 2012-05-01 04:47:53
我在使用内存流进行序列化时遇到了一个问题。下面是我的代码：
/// <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...
我不太确定是什么导致了这个错误。任何帮助都将不胜感激。
调用示例：
Dog myDog = new Dog();
myDog.Name= "Foo";
myDog.Color = DogColor.Brown;
MemoryStream stream = SerializeToStream(myDog)
Dog newDog = (Dog)DeserializeFromStream(stream);回答 4
Stack Overflow用户
回答已采纳
发布于 2012-05-01 05:14:41
下面的代码适用于我：
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());
}其中类型如下所示：
[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);
}
}实用的方法是：
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;
}Stack Overflow用户
发布于 2018-08-30 03:31:49
使用方法从内存中序列化和反序列化Collection对象。这适用于集合数据类型。此方法将把任何类型的集合序列化为字节流。创建一个单独的类SerilizeDeserialize，并添加以下两个方法：
public class SerilizeDeserialize
{
// Serialize collection of any type to a byte stream
public static byte[] Serialize<T>(T obj)
{
using (MemoryStream memStream = new MemoryStream())
{
BinaryFormatter binSerializer = new BinaryFormatter();
binSerializer.Serialize(memStream, obj);
return memStream.ToArray();
}
}
// DSerialize collection of any type to a byte stream
public static T Deserialize<T>(byte[] serializedObj)
{
T obj = default(T);
using (MemoryStream memStream = new MemoryStream(serializedObj))
{
BinaryFormatter binSerializer = new BinaryFormatter();
obj = (T)binSerializer.Deserialize(memStream);
}
return obj;
}
}如何在你的类中使用这些方法：
ArrayList arrayListMem = new ArrayList() { "One", "Two", "Three", "Four", "Five", "Six", "Seven" };
Console.WriteLine("Serializing to Memory : arrayListMem");
byte[] stream = SerilizeDeserialize.Serialize(arrayListMem);
ArrayList arrayListMemDes = new ArrayList();
arrayListMemDes = SerilizeDeserialize.Deserialize<ArrayList>(stream);
Console.WriteLine("DSerializing From Memory : arrayListMemDes");
foreach (var item in arrayListMemDes)
{
Console.WriteLine(item);
}Stack Overflow用户
发布于 2012-05-01 05:49:22
在某些特定情况下，BinaryFormatter可能会产生无效输出。例如，它将省略不成对的代理项字符。它也可能在接口类型的值方面有问题。阅读此documentation page，包括社区内容。
如果您发现您的错误是持续性的，那么您可能需要考虑使用DataContractSerializer或XmlSerializer之类的XML序列化程序。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/10390356
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