C#操作文件、文件夹（复制、删除、新增、设置只读）-技术&分享

using System;using System.IO;using System.Windows;using System.Windows.Documents;using System.Xml;namespace WorkItemCreateBussiness.HzClass{    public class HzFile    {        /// <summary>        /// 删除指定文件夹下的所有文件和子文件夹        /// </summary>        /// <param name="fileFolder">指定删除的文件夹路径</param>        /// <param name="isDeleteCurrentFolder">是否删除指定文件夹，true:删除;false:不删除</param>        /// <returns>成功返回true,失败返回false</returns>        public bool DeleteFolder(string fileFolder,bool isDeleteCurrentFolder)        {            try            {                if (Directory.Exists(fileFolder))                {                    foreach (var file in Directory.GetFiles(fileFolder, "*.*", SearchOption.AllDirectories))                    {                        File.SetAttributes(file, System.IO.FileAttributes.Normal);                        File.Delete(file);                    }                    Directory.Delete(fileFolder, true);                    if (!isDeleteCurrentFolder)                    {                        Directory.CreateDirectory(fileFolder);                    }                 }            }            catch (Exception ex)            {                MessageBox.Show(ex.Message);                return false;            }            return true;        }        /// <summary>        /// Hzfile        /// 获取指定文件的扩展名        /// </summary>        /// <param name="filePath">指定文件的文件夹绝对路径</param>        /// <returns>返回文件的扩展名，如果文件扩展名为空或文件路径错误则返回空</returns>        public string GetFileExtension(string filePath)        {            string filePathExtension = "";            try            {                if (Directory.Exists(filePath))                {                    filePathExtension = filePath.Substring(filePath.LastIndexOf(".") + 1);                }            }            catch (Exception ex)            {                MessageBox.Show(ex.Message);                return "";            }             return filePathExtension;        }        public void CopyBaseSql(string fromFolder, string toFolder) //拷贝sql目录下的标准sql文件到\Upgrade\BaseCode\Code目录下        {            try            {                string shortFolderName;                if (toFolder.IndexOf("相关文档") > -1)                {                    if (Directory.Exists(toFolder))                    {                        Directory.Delete(toFolder, true);                    }                    Directory.CreateDirectory(toFolder);                }                //File.SetAttributes(to,FileAttributes.Hidden);                // 子文件夹                foreach (string sub in Directory.GetDirectories(fromFolder))                {                    shortFolderName = sub.Substring(sub.LastIndexOf("\\") + 1, sub.Length - sub.LastIndexOf("\\") - 1);                    CopyBaseSql(sub + "\\", toFolder + "\\" + Path.GetFileName(sub));                }                //文件                foreach (string file in Directory.GetFiles(fromFolder))                {                    File.Copy(file, toFolder + "\\" + Path.GetFileName(file), true);                }            }            catch            {                //MessageBox.Show("创建sql文件失败");            }        }        /// <summary>        /// Hzfile        /// 拷贝fromFolder文件夹所有的子目录和文件到toFolder文件夹下        /// </summary>        /// <param name="fromFolder">需要拷贝的文件夹</param>        /// <param name="toFolder">拷贝到的文件夹的路径</param>        /// <returns>如果存在异常返回true，否则返回false</returns>        public bool CopyFolder(string fromFolder, string toFolder)        {            try            {                if (Directory.Exists(toFolder))                {                    Directory.Delete(toFolder, true);                }                Directory.CreateDirectory(toFolder);                // 子文件夹                foreach (string sub in Directory.GetDirectories(fromFolder))                {                    //shortFolderName = sub.Substring(sub.LastIndexOf("\\") + 1, sub.Length - sub.LastIndexOf("\\") - 1);                    CopyFolder(sub + "\\", toFolder + "\\" + Path.GetFileName(sub));                }                //文件                foreach (string file in Directory.GetFiles(fromFolder))                {                    File.Copy(file, toFolder + "\\" + Path.GetFileName(file), true);                }            }            catch(Exception ex)            {                //MessageBox.Show("创建sql文件失败");                return false;            }            return true;        }        /// <summary>        /// Hzfile        /// 拷贝fromFolder文件夹到toFolder文件夹下        /// </summary>        /// <param name="fromFolder">需要拷贝的文件夹</param>        /// <param name="toFolder">拷贝到的文件夹的路径</param>        /// <returns>如果存在异常返回true，否则返回false</returns>        public bool CopyFileToCommonFolder(string fromFolder, string toCommonFolder)        {            try            {                if (Directory.Exists(toCommonFolder))                {                    Directory.Delete(toCommonFolder, true);                }                Directory.CreateDirectory(toCommonFolder);                //文件                foreach (string file in Directory.GetFiles(fromFolder,"*.*",SearchOption.AllDirectories))                {                    File.Copy(file, toCommonFolder + "\\" + Path.GetFileName(file), true);                }            }            catch (Exception ex)            {                //MessageBox.Show("创建sql文件失败");                return false;            }            return true;        }        /// <summary>        /// Hzfile        /// 拷贝fromFolder文件夹到toFolder文件夹下,        /// </summary>        /// <param name="fromFolder">需要拷贝的文件夹</param>        /// <param name="toFolder">拷贝到的文件夹的路径</param>        /// <returns>如果存在异常返回true，否则返回false</returns>        public bool CopyFileToCommonFolder(string fromFolder, string toCommonFolder,XmlDocument xmlDoc,string xPath)        {            try            {                if (Directory.Exists(toCommonFolder))                {                    Directory.Delete(toCommonFolder, true);                }                Directory.CreateDirectory(toCommonFolder);                //文件                foreach (string file in Directory.GetFiles(fromFolder, "*.*", SearchOption.AllDirectories))                {                    string fileFullName = Path.GetFullPath(file);                    string fileName = Path.GetFileName(file);                    string folder=fileFullName.Substring(fromFolder.Length, fileFullName.Length - fromFolder.Length - fileName.Length - 1);                    XmlNodeList fileNode = xmlDoc.SelectNodes(@"Mysoft.Data/UpgradeData/Package/Code/File[@fileName=" + "'" + fileName + "'and @folder=" + "'" + folder + "'" + "]");                    if (fileNode.Count == 1)                    {                        string updateFileName = fileNode.Item(0).SelectSingleNode("FileContent").Attributes["fileName"].Value;                        File.Copy(file, toCommonFolder + "\\" + updateFileName, true);                    }                    //string fileName = FileNode.ChildNodes[0].Attributes["fileName"].Value;                    //File.Copy(file, toCommonFolder + "\\" + fileName, true);                }            }            catch (Exception ex)            {                //MessageBox.Show("创建sql文件失败");                return false;            }            return true;        }        /// <summary>        /// Hzfile        /// 判断rightFolder种的一个文件在leftFolder中是否存在        /// </summary>        /// <param name="leftFolder">修复前文件夹</param>        /// <param name="rightFolder">修复后文件夹</param>        /// <param name="rightFile">需要确认是否存在的文件rightFile</param>        /// <returns>右侧文件夹map路径下文件rightFile，在左边文件夹map目录下也存在，存在则返回edit，否则返回add</returns>        public string DiffFileExit(string leftFolder, string rightFolder,string rightFile)        {            try            {                if (Directory.Exists(leftFolder) && Directory.Exists(rightFolder))                {                    //if (File.Exists(leftFolder.Substring(0, rightFile.IndexOf("after")+6) +rightFile.Substring(rightFile.IndexOf("after")+5)))                    if (File.Exists(leftFolder + rightFile))                    {                        return "edit";                    }                    else                    {                        return "add";                    }                }                else                {                    return "";                }            }            catch (Exception ex)            {                //MessageBox.Show(ex.Message);                return "";            }            return "";        }        /// <summary>        /// 文件夹、子文件夹、文件去只读        /// </summary>        /// <param name="dirPath">指定去只读的文件夹路径</param>        /// <returns>成功返回true,失败返回false</returns>        public bool SetNotReadOnly(string dirPath)        {            try            {                string[] dirPathes = Directory.GetDirectories(dirPath, "*.*", SearchOption.AllDirectories);                foreach (var dp in dirPathes)                {                    if (!Directory.Exists(dp))                    {                        continue;                    }                    DirectoryInfo dir = new DirectoryInfo(dp);                    dir.Attributes = FileAttributes.Normal & FileAttributes.Directory;                    string[] filePathes = Directory.GetFiles(dp, "*.*", SearchOption.AllDirectories);                    foreach (var fp in filePathes)                    {                        File.SetAttributes(fp, FileAttributes.Normal);                    }                }            }            catch (Exception ex)            {                MessageBox.Show(ex.Message);                return false;            }            return true;        }    }}