【发布时间】：2014-01-07 23:59:15
【问题描述】：
鉴于以下类设计：
public class AllUserCollections
{
public List<UserCollection> UserCollections { get; set; }
public AllUserCollections()
{
this.UserCollections = new List<UserCollection> ();
}
}
public class UserCollection
{
public string UserGroup { get; set; }
public Dictionary<int,User> Users { get; set; }
public UserCollection(string userGroup)
{
this.UserGroup = userGroup;
this.Users = new Dictionary<int, User> ();
}
}
public class User
{
public int ID { get; set; }
public string Name { get; set; }
public string Location { get; set; }
public AgeGroup UserAgeGroup { get; set; }
}
public enum AgeGroup
{
Twenties,
Thirties,
Fourties,
}
如何使用现有的序列化类将其序列化为 XML？
public static class HardDriveService
{
private static string docsFolderPath = Environment.GetFolderPath (Environment.SpecialFolder.Personal);
private const string fileName = "AllUserCollections.xml";
private static string filePath = Path.Combine(docsFolderPath, fileName);
private static bool FileExists(string fullFilePath)
{
if (File.Exists (fullFilePath))
return true;
return false;
}
public static void Save(AllUserCollections allUserCollections)
{
if (FileExists(filePath))
{
File.Delete (filePath);
}
XmlSerializer serializer = new XmlSerializer(allUserCollections.GetType());
using(StreamWriter writer = new StreamWriter(filePath))
{
serializer.Serialize(writer.BaseStream, allUserCollections);
}
}
public static AllUserCollections Read()
{
AllUserCollections allUserCollections = new AllUserCollections();
XmlSerializer serializer = new XmlSerializer(allUserCollections.GetType());
if (FileExists(filePath))
{
StreamReader reader = new StreamReader(filePath);
object deserialized = serializer.Deserialize(reader.BaseStream);
allUserCollections = (AllUserCollections)deserialized;
}
return allUserCollections;
}
}//End of class.
问题
我的代码似乎在这一行失败 -
XmlSerializer serializer = new XmlSerializer(allUserCollections.GetType());
我想知道这是否与需要明确标记为“可序列化”的类有关？我该怎么做？
用法 此代码将在 iphone 上运行，并将应用程序直接保存/读取到 iPhone 硬盘上的 XML。
【问题讨论】：
-
你想要实现的正是你尝试过的
-
是 wcf 还是只是序列化到文件
-
我已经编辑了你的标题。请参阅“Should questions include “tags” in their titles?”，其中的共识是“不，他们不应该”。
-
感谢约翰·桑德斯。我觉得这有点烦人，因为这意味着只是浏览的人不能只阅读标题并认为“我知道 C#，也许我可以帮忙！”
标签： c# xml serialization xml-serialization