IXml可序列化

发布于 2024-07-25 09:20:47 字数 1455 浏览 5 评论 0原文

你们能帮我吗我在通过 IXmlSerialized 进行反序列化时遇到问题

var ArrayOfAccounts = new Accounts(); //This class structure I'm trying to read

Class Accounts:List<Session>{ }

Class Shedule{
  public DateTime StartAt { get; set; }
  public DateTime EndAt { get; set; }
}

Class Session:IXmlSerializable {
 public string Name{get;set;}
 public string Pass{get;set;}
 public List<Shedule> Shedules = new List<Shedule>();


 public void ReadXml(System.Xml.XmlReader reader){
    //AND HERE IS A PROBLEM. I don't know how to implement right code here. I've tried 
    //code below, but this one works for the first account only, and doesn't restore others 

  Schedules.Clear();
  XmlReader subR = reader.ReadSubtree();

  if (reader.MoveToAttribute("Name"))
      Name = reader.Value;
   if (reader.MoveToAttribute("Password"))
      Password = reader.Value;

 reader.MoveToContent();

 while (subR.ReadToFollowing("Schedule"))
        {
            XmlSerializer x = new XmlSerializer(typeof(Schedule));
            object o = x.Deserialize(subR);
            if (o is Schedule) Schedules.Add((Schedule)o);
        }
 }

xml 本身如下所示：

<Accounts>
   <Session UserName="18SRO" Password="shalom99">
     <Schedule>
      <StartAt>0001-01-01T09:30:00</StartAt>
      <EndAt>0001-01-01T16:00:00</EndAt>
    </Schedule>
  </Session>
</Accounts>

原文

Could you guys help me I have a problem with deserialization via IXmlSerializable

var ArrayOfAccounts = new Accounts(); //This class structure I'm trying to read

Class Accounts:List<Session>{ }

Class Shedule{
  public DateTime StartAt { get; set; }
  public DateTime EndAt { get; set; }
}

Class Session:IXmlSerializable {
 public string Name{get;set;}
 public string Pass{get;set;}
 public List<Shedule> Shedules = new List<Shedule>();


 public void ReadXml(System.Xml.XmlReader reader){
    //AND HERE IS A PROBLEM. I don't know how to implement right code here. I've tried 
    //code below, but this one works for the first account only, and doesn't restore others 

  Schedules.Clear();
  XmlReader subR = reader.ReadSubtree();

  if (reader.MoveToAttribute("Name"))
      Name = reader.Value;
   if (reader.MoveToAttribute("Password"))
      Password = reader.Value;

 reader.MoveToContent();

 while (subR.ReadToFollowing("Schedule"))
        {
            XmlSerializer x = new XmlSerializer(typeof(Schedule));
            object o = x.Deserialize(subR);
            if (o is Schedule) Schedules.Add((Schedule)o);
        }
 }

And the xml itself looks like:

<Accounts>
   <Session UserName="18SRO" Password="shalom99">
     <Schedule>
      <StartAt>0001-01-01T09:30:00</StartAt>
      <EndAt>0001-01-01T16:00:00</EndAt>
    </Schedule>
  </Session>
</Accounts>

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幼儿园老大 2024-08-01 09:20:47

由于您已经定义了这些类，因此您应该能够使用 XML 序列化属性，并使用默认的 XML 反序列化器。

您的结构看起来不太复杂，是否有任何特殊原因您不使用序列化属性而不是手动反序列化？

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嗫嚅 2024-08-01 09:20:47

重新继承字段...如果您切换到 DataContractSerializer，则字段将“选择加入”而不是“选择退出” - 但您将失去指定属性的能力（一切都是元素）。一个简单的例子：

[DataContract(Name="foo")]
public class Foo
{
    [DataMember(Name="bar")]
    public string Bar { get; set; }

    public int ThisIsntSerialized {get;set;}
}

然而，添加意外的子类对于 XmlSerializer 和 DataContractSerializer 来说都是一件痛苦的事情。两者都可以，但是不太漂亮......

Re inherited fields... if you switch to DataContractSerializer, then fields are "opt in" rather than "opt out" - but you lose the ability to specify attributes (everything is an element). A trivial example:

[DataContract(Name="foo")]
public class Foo
{
    [DataMember(Name="bar")]
    public string Bar { get; set; }

    public int ThisIsntSerialized {get;set;}
}

However - adding unexpected subclasses is a pain for both XmlSerializer and DataContractSerializer. Both can do it, but it isn't pretty...

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