class XMLHelper{/// <summary>/// 读取xml模板/// </summary>/// <param name="filename">相对路径</param>/// <returns></returns>public static string Getmsg(string filename){XmlDocument xmldoc = new XmlDocument();string path = AppDomain.CurrentDomain.BaseDirectory;string strUrl = path + filename;xmldoc.Load(strUrl);return xmldoc.InnerXml;}public static XmlDocument GetXmlDoc(string fielName){XmlDocument xmldoc = new XmlDocument();string path = AppDomain.CurrentDomain.BaseDirectory;string strUrl = path + fielName;xmldoc.Load(strUrl);return xmldoc;}public static XmlDocument GetXmlDocument(string xml){XmlDocument xmlDoc = new XmlDocument();if (!string.IsNullOrEmpty(xml)){xmlDoc.LoadXml(xml);}return xmlDoc;}#region 序列化/// <summary>/// 序列化/// </summary>/// <param name="type">类型</param>/// <param name="obj">对象</param>/// <returns></returns>public static string Serializer(Type type, object obj){MemoryStream Stream = new MemoryStream();XmlSerializer xml = new XmlSerializer(type);try{//序列化对象xml.Serialize(Stream, obj);}catch (InvalidOperationException){throw;}Stream.Position = 0;StreamReader sr = new StreamReader(Stream);string str = sr.ReadToEnd();sr.Dispose();Stream.Dispose();return str;}#endregion//反序列化//接收2个参数:xmlFilePath(需要反序列化的XML文件的绝对路径),type(反序列化XML为哪种对象类型)public static object DeserializeFromXml(string xml, Type type){object result = null;try{XmlDocument xmlDoc = new XmlDocument();xmlDoc.LoadXml(xml);MemoryStream ms = new MemoryStream();xmlDoc.Save(ms);ms.Seek(0, SeekOrigin.Begin);XmlSerializer xs = new XmlSerializer(type);result = xs.Deserialize(ms);}catch (Exception ex){throw;}return result;}/// <summary>/// XML转换成DataTable/// </summary>/// <param name="xmlStr"></param>/// <returns></returns>public static DataTable XmlToDataTable(string xmlStr){if (!string.IsNullOrEmpty(xmlStr)){StringReader StrStream = null;XmlTextReader Xmlrdr = null;try{DataSet ds = new DataSet();//读取字符串中的信息  StrStream = new StringReader(xmlStr);//获取StrStream中的数据  Xmlrdr = new XmlTextReader(StrStream);//ds获取Xmlrdr中的数据                 ds.ReadXml(Xmlrdr);return ds.Tables[0];}catch (Exception ex){throw;}finally{//释放资源  if (Xmlrdr != null){Xmlrdr.Close();StrStream.Close();StrStream.Dispose();}}}return null;}/// <summary>/// 格式化XML/// </summary>/// <param name="format">XML</param>/// <param name="arg">传递DataRow可以直接格式化,也可以自己实现IFormatProvider</param>/// <param name="formatProvider"></param>/// <returns></returns>public static string Format(string format, object arg){char[] preChar = new char[] { '{' };char[] endChar = new char[] { '}' };DataRow row = arg as DataRow;if (row != null){var RegexStr = string.Format("{0}.+?{1}", string.Join("", preChar.ToArray()), string.Join("", endChar.ToArray()));Regex reg = new Regex(RegexStr);MatchCollection matchList = reg.Matches(format);for (int i = 0; i < matchList.Count; i++){string fieldName = matchList[i].ToString().TrimStart(preChar).TrimEnd(endChar);string fieldVal = string.Empty;if (row.Table.Columns.Contains(fieldName)){fieldVal = row[fieldName].ToString();}format = format.Replace(matchList[i].ToString(), fieldVal);}}return format;}}