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);
        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();
            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))
                        {
                            value = Convert.ChangeType(value, p.PropertyType.GetGenericArguments().SingleOrDefault());
                        }
                        p.SetValue(TEntity, value, null); return true;
                    });
                }
            }
            fs.Close();
            fs.Dispose();
            return TEntity;
        }
    }
}