C# 创建XML文件

        private void CreateXMLFile(string pathAndFileName)
         {
             XmlDocument doc = new XmlDocument();
             XmlElement rootElementUser,subElementUserID,subElementXMID;

             XmlNode node = doc.CreateXmlDeclaration("1.0","utf-8","no");
             doc.AppendChild(node);

             rootElementUser = doc.CreateElement("user");
             doc.AppendChild(rootElementUser);

             subElementUserID = doc.CreateElement("userID");
             XmlText userID = doc.CreateTextNode(XiangMuGG.Userintid.ToString());
             subElementUserID.AppendChild(userID);
             rootElementUser.AppendChild(subElementUserID);

             subElementXMID = doc.CreateElement("xmID");
             XmlText xmID = doc.CreateTextNode(XiangMuGG.xmid.ToString());
             subElementXMID.AppendChild(xmID);
             rootElementUser.AppendChild(subElementXMID);

             doc.Save(pathAndFileName);
         }