自动生成xml

  #region 自动生成xml文件
        public void GenerateXML(string path, string filename, Mat mat, PredictResult result)
        {

            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 xRoot = xmlDoc.CreateElement("annotation");
            //            //给节点属性赋值
            //            xeRoot.SetAttribute("version", "1.0");
            //            xeRoot.SetAttribute("name", "商品数据");
            xmlDoc.AppendChild(xRoot);
            CreateNode(xmlDoc, xRoot, "folder", "危险品车图片");
            CreateNode(xmlDoc, xRoot, "filename", filename);
            CreateNode(xmlDoc, xRoot, "path", path);
            //            CreateNode(xmlDoc, xRoot, "source", "");

            XmlElement xSource = xmlDoc.CreateElement("source");
            //子节点
            XmlNode xn_Root = xmlDoc.SelectSingleNode("annotation");//找到根节点node
            xn_Root.AppendChild(xSource);//父级节点添加子节点
            CreateNode(xmlDoc, xSource, "database", "Unknown");

            XmlElement xSize = xmlDoc.CreateElement("size");
            xn_Root.AppendChild(xSize);
            CreateNode(xmlDoc, xSize, "width", mat.Width.ToString());
            CreateNode(xmlDoc, xSize, "height", mat.Height.ToString());
            CreateNode(xmlDoc, xSize, "depth", "3");

            XmlElement xSegmented = xmlDoc.CreateElement("segmented");
            xSegmented.InnerText = "0";
            xn_Root.AppendChild(xSegmented);


            for (int i = 0; i < 2; i++)
            {
                XmlElement xObject = xmlDoc.CreateElement("object");
                if (xObject != null)
                {
                    xn_Root.AppendChild(xObject);
                }
                CreateNode(xmlDoc, xObject, "name", result.Targets[i].Label.ToLower());
                CreateNode(xmlDoc, xObject, "pose", "Unspecified");
                CreateNode(xmlDoc, xObject, "truncated", "0");
                CreateNode(xmlDoc, xObject, "difficult", "0");

                XmlElement xBndbox = xmlDoc.CreateElement("bndbox");
                XmlNode xn_objext = xmlDoc.SelectSingleNode("annotation").SelectNodes("object")[i];
                xn_objext.AppendChild(xBndbox);
                CreateNode(xmlDoc, xBndbox, "xmin", Math.Round(result.Targets[i].Box.X - result.Targets[i].Box.Width / 2).ToString());
                CreateNode(xmlDoc, xBndbox, "ymin", Math.Round(result.Targets[i].Box.Y - result.Targets[i].Box.Height / 2).ToString());
                CreateNode(xmlDoc, xBndbox, "xmax", Math.Round(result.Targets[i].Box.X + result.Targets[i].Box.Width / 2).ToString());
                CreateNode(xmlDoc, xBndbox, "ymax", Math.Round(result.Targets[i].Box.Y + result.Targets[i].Box.Height / 2).ToString());
            }
            try
            {
                xmlDoc.Save(path + "\\" + filename + ".xml");
            }
            catch (Exception e)
            {

            }

        }

        /// <summary>
        /// 创建节点
        /// </summary>
        /// <param name="xmlDoc"></param>
        /// <param name="parentNode"></param>
        /// <param name="name"></param>
        /// <param name="value"></param>
        public void CreateNode(XmlDocument xmlDoc, XmlNode parentNode, string name, string value)
        {
            XmlNode node = xmlDoc.CreateNode(XmlNodeType.Element, name, null);
            node.InnerText = value;
            parentNode.AppendChild(node);

 https://blog.csdn.net/weixin_44338429/article/details/88378741