C Sharp XML序列化与反序列化

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

namespace Common {
    /// <summary>
    /// XML序列化与反序列化
    /// </summary>
    public static class XmlSerializeUtil {
        private static XmlSerializerNamespaces _namespaces;
        private static XmlWriterSettings _settings;

        /// <summary>
        /// 静态构造函数，应用程序生命周期内只执行一次
        /// </summary>
        static XmlSerializeUtil() {
            _settings = new XmlWriterSettings {
                Indent = true,
                IndentChars = "\t",
                Encoding = Encoding.UTF8,
            };
            _namespaces = new XmlSerializerNamespaces();
            _namespaces.Add("", "");
        }

        /// <summary>
        /// XML反序列化为对象
        /// </summary>
        /// <typeparam name="T">类型</typeparam>
        /// <param name="xml">xml字符串</param>
        /// <returns>T</returns>
        public static T Deserialize<T>(string xml) where T : class {
            using (var sr = new StringReader(xml)) {
                var serializer = new XmlSerializer(typeof(T));
                return serializer.Deserialize(sr) as T;
            }
        }
        /// <summary>
        /// XML反序列化为对象
        /// </summary>
        /// <typeparam name="T">类型</typeparam>
        /// <param name="xml">xml</param>
        /// <returns>T</returns>
        public static T Deserialize<T>(Stream xml) where T : class {
            var serializer = new XmlSerializer(typeof(T));
            return serializer.Deserialize(xml) as T;
        }

        /// <summary>
        /// 对象序列化为XML字符串
        /// </summary>
        /// <typeparam name="T">类型</typeparam>
        /// <param name="data">数据</param>
        /// <returns>XML字符串</returns>
        public static string Serializer<T>(T data) {
            var serializer = new XmlSerializer(typeof(T));

            using (var stream = new MemoryStream())
            using (var reader = new StreamReader(stream))
            using (var writer = XmlWriter.Create(stream, _settings)) {
                serializer.Serialize(writer, data, _namespaces);
                
                stream.Position = 0;

                return reader.ReadToEnd();
            }
        }
    }
}