C#如何将一个类对象序列化为XML字符串_C#将类对象序列化为XML字符串实现

using System;
using System.Xml.Serialization;

[Serializable]
public class Person
{
    [XmlElement("Name")]
    public string Name { get; set; }

    [XmlElement("Age")]
    public int Age { get; set; }

    [XmlAttribute("Id")]
    public int Id { get; set; }
}

using System;
using System.IO;
using System.Text;
using System.Xml.Serialization;

public static string SerializeToXml<T>(T obj)
{
    if (obj == null) return null;

    var serializer = new XmlSerializer(typeof(T));
    var settings = new XmlWriterSettings
    {
        Indent = true,
        Encoding = Encoding.UTF8,
        OmitXmlDeclaration = false
    };

    using (var stringWriter = new StringWriter())
    using (var xmlWriter = System.Xml.XmlWriter.Create(stringWriter, settings))
    {
        serializer.Serialize(xmlWriter, obj);
        return stringWriter.ToString();
    }
}

var person = new Person
{
    Id = 1,
    Name = "张三",
    Age = 25
};

string xml = SerializeToXml(person);
Console.WriteLine(xml);

<?xml version="1.0" encoding="utf-8"?>
<Person xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" Id="1">
  <Name>张三</Name>
  <Age>25</Age>
</Person>

var namespaces = new XmlSerializerNamespaces();
namespaces.Add("", ""); // 去除默认命名空间
serializer.Serialize(xmlWriter, obj, namespaces);