using System.Text;

using System.Xml;

namespace A.Util

{

    public static class MyXmlUtil

    {

        public static string ModelToXml<T>(T a ,string xmlRootName)

        {

            StringBuilder scXml = new StringBuilder();

            scXml.AppendFormat("<{0}>", xmlRootName);

            #region 主体

            System.Reflection.PropertyInfo[] cfgItemProperties = a.GetType().GetProperties(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public);

            foreach (System.Reflection.PropertyInfo item in cfgItemProperties)

            {

                string name = item.Name;

                object value = item.GetValue(a, null);

                //string 或 值属性，且value 不为 null

                if ((item.PropertyType.IsValueType || item.PropertyType.Name.StartsWith("String")) && value != null && !string.IsNullOrEmpty(value.ToString()))

                {

                    scXml.AppendFormat("<{0}>{1}</{0}>", name, value.ToString());

                }

            }

            #endregion

            scXml.AppendFormat("</{0}>", xmlRootName);

            string xml = scXml.ToString();

            return xml;

        }

        public static void XmlToModel<T>(T a,string xmlContent, string xmlRootName)

        {

            xmlContent = xmlContent.Trim();

            //去除XML HEADER，否则LoadXml 时出错

            if (xmlContent.Contains("<?"))

            {

                int bb = xmlContent.IndexOf('>');

                xmlContent = xmlContent.Substring(bb + );

            }

            XmlDocument xmlDoc = new XmlDocument();

            xmlDoc.XmlResolver = null;//2018-12-3

            xmlDoc.LoadXml(xmlContent);

            XmlNode root = xmlDoc.SelectSingleNode(xmlRootName);

            XmlNodeList xnl = root.ChildNodes;

            System.Reflection.PropertyInfo[] cfgItemProperties = a.GetType().GetProperties(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public);

            foreach (XmlNode xnf in xnl)

            {

                //xnf.Name, xnf.InnerText

                if (string.IsNullOrEmpty(xnf.InnerText))

                {

                    continue;

                }

                #region 主体

                foreach (System.Reflection.PropertyInfo item in cfgItemProperties)

                {

                    string name = item.Name;

                    //string 或 值属性

                    if ( item.PropertyType.IsValueType || item.PropertyType.Name.StartsWith("String") )

                    {

                        if (item.Name == xnf.Name    )

                        {

                            item.SetValue(a, xnf.InnerText, null);

                        }

                    }

                }

                #endregion

            }

        }

    }

}