C# XML序列化怎样处理复杂对象

在C#中，使用XML序列化处理复杂对象主要涉及到以下几个方面：

定义复杂对象类：首先，你需要定义一个包含多个属性和子对象的类。这些属性和子对象可以是基本数据类型、枚举、集合（如List或Array）或其他自定义类。

public class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
    public Address Address { get; set; }
    public List<string> Hobbies { get; set; }
}

public class Address
{
    public string Street { get; set; }
    public string City { get; set; }
    public string PostalCode { get; set; }
}

添加XML序列化属性：为了控制XML序列化过程中的元素名称、命名空间等，你可以为类和属性添加XmlElement、XmlAttribute、XmlRoot等特性。

[XmlRoot("Person")]
public class Person
{
    [XmlElement("Name")]
    public string Name { get; set; }
    [XmlElement("Age")]
    public int Age { get; set; }
    [XmlElement("Address")]
    public Address Address { get; set; }
    [XmlElement("Hobbies")]
    public List<string> Hobbies { get; set; }
}

[XmlRoot("Address")]
public class Address
{
    [XmlElement("Street")]
    public string Street { get; set; }
    [XmlElement("City")]
    public string City { get; set; }
    [XmlElement("PostalCode")]
    public string PostalCode { get; set; }
}

序列化对象：使用XmlSerializer类将复杂对象序列化为XML字符串。

Person person = new Person
{
    Name = "John Doe",
    Age = 30,
    Address = new Address
    {
        Street = "123 Main St",
        City = "New York",
        PostalCode = "10001"
    },
    Hobbies = new List<string> { "Reading", "Traveling" }
};

XmlSerializer serializer = new XmlSerializer(typeof(Person));
StringWriter writer = new StringWriter();
serializer.Serialize(writer, person);
string xmlString = writer.ToString();

反序列化XML：使用XmlSerializer类将XML字符串反序列化为复杂对象。

string xmlString =<Person><Name>John Doe</Name><Age>30</Age<Address><Street>123 Main St</Street><City>New York</City><PostalCode>10001</PostalCode></Address><Hobbies<string>Reading</string<string>Traveling</string></Hobbies></Person>";

XmlSerializer serializer = new XmlSerializer(typeof(Person));
StringReader reader = new StringReader(xmlString);
Person deserializedPerson = (Person)serializer.Deserialize(reader);

通过以上步骤，你可以实现复杂对象的XML序列化和反序列化。注意，在处理更复杂的对象时，可能需要处理继承、抽象类、接口等高级概念。在这些情况下，你可能需要使用XmlInclude、XmlType等特性来指定相关类型。

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