反序列化列表项中的列表

Question

我有下面的样本 XML。我需要反序列化它。

<?xml version="1.0" encoding="utf-16"?>
<Users filename="testfile">
    <User name="John Doe" age="51">
        <Addresses>
            <Address street="1511 Smith Pl." city="Boulder" state="CO" zip="80000" />
            <Address street="1820 Main St." city="Lafayette" state="CO" zip="80100" />
        </Addresses>
    </User>
    <User name="Jeff Jones" age="35">
        <Addresses>
            <Address street="2111 Jefferson Rd.." city="Colorado Springs" state="CO" zip="80099" />
        </Addresses>
    </User>
</Users>

我正在使用以下代码：

    private void button1_Click(object sender, EventArgs e)
    {
      XmlSerializer xmlIn = new XmlSerializer(typeof(UserItems));
      StreamReader srIn = new StreamReader("c:\address.xml");
      UserItems uiItems;

      uiItems = (UserItems)xmlIn.Deserialize(srIn);

      srIn.Close();
    }
  }

  [XmlRoot("Users")]
  public class UserItems
  {
    private List<UserItem> p_liUserItems;

    [XmlAttribute("filename")] public string FileName { get; set; }

    [XmlElement("User")]
    public List<UserItem> Users
    {
      get
      {
        return p_liUserItems;
      }
      set
      {
        p_liUserItems = value;
      }
    }
  }

  [Serializable]
  public class UserItem
  {
    private List<AddressItem> p_liAddressItems = new List<AddressItem>();

    [XmlAttribute("name")]
    public string Name { get; set; }
    [XmlAttribute("age")]
    public string Age { get; set; }

    [XmlElement("Address")]
    public List<AddressItem> Addresses
    {
      get
      {
        return p_liAddressItems;
      }
      set
      {
        p_liAddressItems = value;
      }
    }
  }

  [Serializable]
  public class AddressItem
  {
    [XmlAttribute("street")]
    public string Street { get; set; }
    [XmlAttribute("city")]
    public string City { get; set; }
    [XmlAttribute("state")]
    public string State { get; set; }
    [XmlAttribute("zip")]
    public string ZipCode { get; set; }
  }

这在一定程度上可以很好地反序列化。我获得了每个用户的信息，但没有获得每个用户的任何地址。每个用户都有一个空白地址列表如何在集合项中反序列化集合？

Answer 1

你的 Addresses 是一个 XmlElement，但是它包装了一个数组。您可以使用 XmlArray 和 XmlArrayItem 对其进行（反）序列化，以防止必须为 Addresses:

创建和修饰包装器 class

[XmlArray("Addresses")]
[XmlArrayItem("Address")]
public List<AddressItem> Addresses
{
    get
    {
        return p_liAddressItems;
    }
    set
    {
        p_liAddressItems = value;
    }
}

或者，如果您想要包装器class:

[Serializable]
public class UserItem
{
    [XmlAttribute("name")]
    public string Name { get; set; }
    [XmlAttribute("age")]
    public string Age { get; set; }

    [XmlElement("Addresses")]
    public AddressWrapper Addresses { get; set; }
}

[Serializable]
public class AddressWrapper
{
    [XmlElement("Address")]
    public List<AddressItem> Addresses { get; set; }
}

另见 Wrapping Serialized Array Elements with the Name of the Array。

反序列化列表项中的列表

Deserialize list within list item

c#

xml-deserialization