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);
        }