C# 生成XML 多级节点

 直接上代码：

 在应用程序中

 class Program
    {

        //public static JsonServiceClient Service = new JsonServiceClient(ConfigInfo.GetSettingAsString("ServiceJsonServiceClient"));

        public static JsonServiceClient Service = new JsonServiceClient("http://localhost:65241/");
        static void Main(string[] args)
        {
            Console.WriteLine("---------------开始 执行生成XML---------------");

            CreateXmlFile();

            Console.WriteLine("---------------结束 执行生成XML---------------");

            Console.ReadKey();
        }

        /// <summary>
        /// 创建
        /// </summary>
        public static void CreateXmlFile()
        {
            XmlDocument xmlDoc = new XmlDocument();
            //创建类型声明节点  
            XmlNode node = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", "");
            xmlDoc.AppendChild(node);

            //创建根节点  
            XmlElement xeRoot = xmlDoc.CreateElement("urlset");
            //给节点属性赋值
            xeRoot.SetAttribute("version", "1.0");
            xeRoot.SetAttribute("name", "商品数据");
            xmlDoc.AppendChild(xeRoot);
            zgqp315_Common_Goods_XML_Status status = Service.Get<zgqp315_Common_Goods_XML_Status>(string.Format("selectzgqp315_Common_Goods_XML_Operation/{0}/{1}", 1, 10000));

            if (status.List.Count > 0)
            {
                for (int i = 0; i < status.List.Count; i++)
                {
                    xeRoot = xmlDoc.CreateElement("url");
                    XmlNode xn_urlset = xmlDoc.SelectSingleNode("urlset");
                    if (xn_urlset != null)
                    {
                        xn_urlset.AppendChild(xeRoot);
                    }

                    CreateNode(xmlDoc, xeRoot, "loc", "http://www.baidu.com");
                    CreateNode(xmlDoc, xeRoot, "lastmod", DateTime.Now.ToLocalTime().ToString());
                    CreateNode(xmlDoc, xeRoot, "changefreq", "always");
                    CreateNode(xmlDoc, xeRoot, "priority", "1.0");

                    xeRoot = xmlDoc.CreateElement("data");
                    XmlNode xn_url = xmlDoc.SelectSingleNode("urlset").SelectNodes("url").Item(i);
                    if (xn_url != null)
                    {
                        xn_url.AppendChild(xeRoot);
                    }

                    xeRoot = xmlDoc.CreateElement("dispaly");
                    XmlNode xn_data = xmlDoc.SelectSingleNode("urlset").SelectNodes("url").Item(i).SelectSingleNode("data");
                    if (xn_data != null)
                    {
                        xn_data.AppendChild(xeRoot);
                    }

                    CreateNode(xmlDoc, xeRoot, "innerID", status.List[i].SKUCCId.ToString());
                    CreateNode(xmlDoc, xeRoot, "sourceTime", DateTime.Now.ToLocalTime().ToString());
                    CreateNode(xmlDoc, xeRoot, "productLine", "1");
                    CreateNode(xmlDoc, xeRoot, "isDelete", "0");
                    CreateNode(xmlDoc, xeRoot, "title", @"<![CDATA[" + status.List[i].GoodsName + "]]>");
                    CreateNode(xmlDoc, xeRoot, "poster", @"<![CDATA[]]>");
                    CreateNode(xmlDoc, xeRoot, "originalPrice", status.List[i].PricePure.ToString());
                    CreateNode(xmlDoc, xeRoot, "discountPrice", status.List[i].PricePure.ToString());

                    CreateNode(xmlDoc, xeRoot, "onlineTime", "1401353274");
                    CreateNode(xmlDoc, xeRoot, "totalSalesVolume", "100");
                    CreateNode(xmlDoc, xeRoot, "totalReviewCounts", "100");
                    CreateNode(xmlDoc, xeRoot, "goodReviewCounts", "10000");
                    CreateNode(xmlDoc, xeRoot, "rating", "9.6");
                    CreateNode(xmlDoc, xeRoot, "maxRating", "10");
                    CreateNode(xmlDoc, xeRoot, "brand", status.List[i].GoodsName);
                    CreateNode(xmlDoc, xeRoot, "postageFlag", "1");
                    CreateNode(xmlDoc, xeRoot, "certifiedFlag","1");
                    CreateNode(xmlDoc, xeRoot, "compensationFlag","1");
                    CreateNode(xmlDoc, xeRoot, "bestSellerFlag", "1");
                    CreateNode(xmlDoc, xeRoot, "groupSale", "1");
                    CreateNode(xmlDoc, xeRoot, "discountFlag", "0");
                    CreateNode(xmlDoc, xeRoot, "discountStartTime", "");
                    CreateNode(xmlDoc, xeRoot, "discountEndTime", "");
                    CreateNode(xmlDoc, xeRoot, "newProductFlag", "0");

                    CreateNode(xmlDoc, xeRoot, "status", "1");
                    CreateNode(xmlDoc, xeRoot, "description", @"<![CDATA[]]>");

                    CreateNode(xmlDoc, xeRoot, "type", "配件");
                    CreateNode(xmlDoc, xeRoot, "hot", "80");
                    CreateNode(xmlDoc, xeRoot, "maxHot", "100");
                    CreateNode(xmlDoc, xeRoot, "comments", "Good！");
                    CreateNode(xmlDoc, xeRoot, "model", "");
                    CreateNode(xmlDoc, xeRoot, "origin", "");
                    CreateNode(xmlDoc, xeRoot, "urlForApp", @"<![CDATA[]]>");
                    CreateNode(xmlDoc, xeRoot, "urlForWeb", @"<![CDATA[]]>");
                }
            }

            try
            {
                xmlDoc.Save("d://商品_非3c商品.xml");
            }
            catch (Exception e)
            {
                //显示错误信息  
                Console.WriteLine(e.Message);
            }
            //Console.ReadLine();  

        }
        /// <summary>    
        /// 创建节点    
        /// </summary>    
        /// <param name="xmldoc"></param>  xml文档  
        /// <param name="parentnode"></param>父节点    
        /// <param name="name"></param>  节点名  
        /// <param name="value"></param>  节点值  
        ///   
        public static void CreateNode(XmlDocument xmlDoc, XmlNode parentNode, string name, string value)
        {
            XmlNode node = xmlDoc.CreateNode(XmlNodeType.Element, name, null);
            node.InnerText = value;
            parentNode.AppendChild(node);
        }
    }

效果图：