xml序列化与反序列化

　　经常将对象实例序列化为xml文件，将xml反序列化为对象。随写成公共方法供调用。

public static class XmlHelper
    {
        /// <summary>
        /// 将对象保存为xml文件
        /// </summary>
        /// <typeparam name="T">对象类型</typeparam>
        /// <param name="path">保存文件的路径及文件名如“C:\test.xml”</param>
        /// <param name="obj">要保存对象的实例</param>
        /// <param name="xmlRootName">跟节点名</param>
        public static void EntitySaveToXml<T>(string path, T obj, string xmlRootName =null )
        {
            if (string.IsNullOrEmpty(path))
            {
                throw new ArgumentNullException("path 不能为空！");
            }
            if (obj == null){
                throw new ArgumentNullException("obj 不能为空！");
            }

            using (FileStream fs = new FileStream(path, FileMode.Create))
            {
                var type = typeof(T);
                var xmlSerializer = string.IsNullOrEmpty(xmlRootName) ? new XmlSerializer(type) : new XmlSerializer(type, xmlRootName);
                xmlSerializer.Serialize(fs, obj);
                fs.Close();
                fs.Dispose();
            }
        }

        /// <summary>
        /// 将xml文件发序列化为对象
        /// </summary>
        /// <typeparam name="T">对象类型</typeparam>
        /// <param name="path">xml路径如“C:\test.xml”</param>
        /// <param name="xmlRootName">xml根节点名</param>
        /// <returns>对象实例</returns>
        public static T XmlToEntity<T>(string path, string xmlRootName=null)
        {
            T result;
            if (File.Exists(path))
            {
                using (StreamReader sr = new StreamReader(path))
                {
                    var type = typeof(T);
                    var xmlSerializer = string.IsNullOrEmpty(xmlRootName) ? new XmlSerializer(type) : new XmlSerializer(type, xmlRootName);
                    result = (T)xmlSerializer.Deserialize(sr);
                    sr.Close();
                    sr.Dispose();
                }
            }
            else
            {
                throw new Exception("文件不存在!");
            }
            return result;
        }
    }

参考文献

C#对象XML序列化（一）：序列化方法和常用特性

c# XML序列化与反序列化

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