XmlDocument downLoadFilexml = new XmlDocument(); XmlElement root = null; XmlElement kisokChild = null; //生成xml的头 XmlNode xmlnode= downLoadFilexml.CreateXmlDeclaration("1.0", "utf-8", null); downLoadFilexml.AppendChild(xmlnode); root = downLoadFilexml.CreateElement("test"); root.SetAttribute("Guid",“1”); root.SetAttribute("BuildID","0"); downLoadFilexml.AppendChild(root); kisokChild = downLoadFilexml.CreateElement("testChild"); kisokChild.SetAttribute("Interval","111"); root.AppendChild(kisokChild); Response.Write(downLoadFilexml.OuterXml); Response.End();