c#：用xml递归存电脑指定路径的目录

最新推荐文章于 2022-08-03 21:52:12 发布

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本文介绍了一种将文件系统信息转换并存储为XML文件的方法。该方法递归地遍历指定目录及其子目录，将每个目录及文件的信息转化为XML元素，并最终保存到目标XML文件中。文中提供了一个具体的C#实现示例。

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 public static void StoreAllFilesToXml(string directoryPath, string destinationXmlFilePath, XmlNode parentNode, XmlDocument xmlDoc)
        {
            bool isFirst = false;

            if (parentNode == null)
            {
                isFirst = true;
                xmlDoc.CreateXmlDeclaration("1.0", "UTF-8", null);
                DirectoryInfo directoryInfo = new DirectoryInfo(directoryPath);
                string rootFolder = "directory_root";
                parentNode = xmlDoc.CreateElement(rootFolder);
                XmlAttribute rootName = xmlDoc.CreateAttribute("name");
                rootName.Value = directoryInfo.Name;
                parentNode.Attributes.Append(rootName);
            }

            var rootDirectory = new DirectoryInfo(directoryPath);
            foreach (var directory in rootDirectory.GetDirectories())
            {
                Console.WriteLine("Directory Name: {0}", directory.Name);
                XmlNode folder = xmlDoc.CreateElement("folder");
                XmlAttribute name = xmlDoc.CreateAttribute("name");
                name.Value = directory.Name;
                folder.Attributes.Append(name);
                parentNode.AppendChild(folder);
                StoreAllFilesToXml(directory.FullName, @"C:\Users\nhuang\Desktop\a.xml", folder, xmlDoc);
            }
            foreach (var file in rootDirectory.GetFiles())
            {
                Console.WriteLine("parentNode"+parentNode.Name);
                Console.WriteLine("File Name: {0}", file.Name);
                XmlNode fileName = xmlDoc.CreateElement("fileName");
                fileName.InnerText = file.Name;
                parentNode.AppendChild(fileName);
            }

            if(isFirst)
            {
                xmlDoc.AppendChild(parentNode);
                using (XmlTextWriter xmlTextWriter = new XmlTextWriter(destinationXmlFilePath, Encoding.UTF8)
                {
                    Formatting = Formatting.Indented,
                    IndentChar = '\t',
                    Indentation = 1
                })
                {
                    xmlDoc.Save(xmlTextWriter);
                }
            }

        }

使用时

XmlNode temp = null;
                XmlDocument xmlDoc = new XmlDocument();
                StoreAllFilesToXml(@"C:\Users\nhuang\Documents\学习资料", @"C:\Users\nhuang\Desktop\a.xml", temp, xmlDoc);
                ReadXmlFromFile(@"C:\Users\nhuang\Desktop\a.xml");