我有一个我希望通过 WCF 服务发送的对象,这需要能够序列化和我可能不知道其类型的对象。我看到这适用于原始类型,但是对于引用类型,我无法成功序列化这些值。在下面的测试中,当它尝试序列化 List 或 Tuple 对象时,我在调试时收到一条错误消息。有没有一种在不知道类型的情况下执行此过程的好方法?
[DataContract]
public class SizingObject
{
[DataMember]
public List<SizingItem> SizingItems { get; set; }
}
[DataContract]
public class SizingItem
{
[DataMember]
public string Name { get; set; }
[DataMember]
public string Value { get; set; }
[DataMember]
public string Unit { get; set; }
[DataMember]
public string ListItemId { get; set; }
[DataMember]
public object Item { get; set; }
}
var i = new SizingObject();
i.SizingItems = new List<SizingItem>();
i.SizingItems.Add(new SizingItem
{
Item = "String",
ListItemId = string.Empty,
Name = "string item",
Unit = string.Empty,
Value = string.Empty
});
i.SizingItems.Add(new SizingItem
{
Item = 0.23,
ListItemId = string.Empty,
Name = "double item",
Unit = string.Empty,
Value = string.Empty
});
i.SizingItems.Add(new SizingItem
{
Item = new List<double> { 3, 4, 5, 6 },
ListItemId = string.Empty,
Name = "list<double> item",
Unit = string.Empty,
Value = string.Empty
});
i.SizingItems.Add(new SizingItem
{
Item = new Tuple<string, double>("TupleItem", 2.00),
ListItemId = string.Empty,
Name = "Tuple<string, double> item",
Unit = string.Empty,
Value = string.Empty
});
// Serialize User Data
var stringWriter = new StringWriter();
var serializer1 = new XmlSerializer(typeof(SizingObject));
serializer1.Serialize(stringWriter, i);
var xml = stringWriter.ToString();
var serializer2 = new XmlSerializer(typeof(SizingObject));
i = (SizingObject)serializer2.Deserialize(new StringReader(xml));
var dict = new Dictionary<Type, Func<object, object>>();
dict.Add(typeof(string), e => e as string);
dict.Add(typeof(double), e => e);
dict.Add(typeof(List<double>), e => e as List<double>);
dict.Add(typeof(Tuple<string, double>), e => e as Tuple<string, double>);
foreach (var item in i.SizingItems)
{
var result = dict[item.Item.GetType()].Invoke(item.Item);
}