private static void CreateXmlFile(string filePath) { using (var xmlOperator = new XmlOperator()) { xmlOperator.CreateRootElement("XmlSimple", "lwr", "XmlHelper"); var booksNode = xmlOperator.AppendNode("Books", new Tuple <string, object>("Category", "Sicence"), new Tuple <string, object>("DateTime", DateTime.Now.ToShortDateString())); for (int i = 0; i < 10; i++) { var bookNode = xmlOperator.AppendNodeToExitsNode(booksNode, "Book", new Tuple <string, object>("BookName", $"Book_{i}"), new Tuple <string, object>("Author", $"Author_{i}") ); } xmlOperator.SaveAs(filePath); xmlOperator.AppendNode("Photos", new Tuple <string, object>("Name", "照片")); xmlOperator.Save(); } System.Diagnostics.Process.Start(filePath); }