c# 实现数据实体类转xml 辅助方法类

新实现传送门=> C#实现实体类和XML文件转换

以下代码相较于上方的方法的实用参考价值相对较低 建议前往上方链接查看新的方式

/// <summary>
    /// XML实体映射处理类
    /// </summary>
    /// <typeparam name="T">不支持多层嵌套类型</typeparam>
    public sealed class XmlHelper<T> : EntityFeatures<T> where T : new()
    {
        List<ColumnAttribute> PropertyFeaturesSet
        {
            get
            {
                return this.ColumnFeaturesSet();
            }
        }

        TableAttribute XmlRoot
        {
            get
            {
                return this.TableFeatures();
            }
        }

        /// <summary>
        /// 保存为xml文件
        /// </summary>
        /// <param name="XmlUri">xml文件地址</param>
        /// <param name="DataModel"></param>
        public bool Save(string XmlUri, T DataModel)
        {
            if (string.IsNullOrEmpty(XmlRoot.Name) || PropertyFeaturesSet.Count <= 0) return false;
            XElement Root = new XElement(XmlRoot.Name);
            Root.SetAttributeValue("Title", XmlRoot.Title);

            XDocument EntityXML = new XDocument(new XDeclaration("1.0", "utf-8", "yes"), Root);///创建一个
            PropertyFeaturesSet.ForEach(data =>
            {
                XElement element = new XElement(data.Property.Name, data.PropertyValue<T>(DataModel));
                element.SetAttributeValue("Title", data.Title);
                EntityXML.Root.Add(element);
            });

            EntityXML.Save(XmlUri);
            return true;
        }

        /// <summary>
        /// 读取xml文件转换为泛型
        /// </summary>
        /// <param name="XmlUri">xml文件地址</param>
        /// <returns></returns>
        public T Read(string XmlUri)
        {
            if (string.IsNullOrEmpty(XmlRoot.Name) || PropertyFeaturesSet.Count <= 0) return default(T);

            using (FileStream fs = new FileStream(XmlUri, FileMode.Open, FileAccess.Read))
            {
                XmlDocument EntityXML = new XmlDocument();///创建一个
                EntityXML.Load(fs);

                T TEntity = new T();
                foreach (XmlNode node in EntityXML.SelectSingleNode("/" + XmlRoot.Name))
                {
                    Type FeaturesType = typeof(T);
                    PropertyInfo[] pArray = FeaturesType.GetProperties();
                    foreach (PropertyInfo p in pArray)
                    {
                        PropertyFeaturesSet.SingleOrDefault(data =>
                        {
                            if (p.Name != data.Property?.Name || !p.CanWrite || !node.Name.Equals(data.Property.Name)) return false;
                            if (string.IsNullOrEmpty(node.InnerText)) return false;
                            object value = node.InnerText;
                            if (FutureToolkits.MSSQL.DataConverter.PropertyTypeIsNullable(p))///判断是不是null类型
                            {
                                value = Convert.ChangeType(value, p.PropertyType.GetGenericArguments().SingleOrDefault());
                            }
                            p.SetValue(TEntity, value, null); return true;
                        });
                    }
                }
                fs.Close();
                fs.Dispose();
                return TEntity;
            }
        }
    }