这个c#类封装了常用的目录操作,包括列出目录下的文件、检测目录是否存在、得到目录下的文件列表、检测目录是否为空、查找目录下的文件等等功能
- using System;
- using System.Text;
- using System.IO;
- namespace DotNet.Utilities
- {
- /// <summary>
- /// 文件操作夹
- /// </summary>
- public static class DirFile
- {
- #region 检测指定目录是否存在
- /// <summary>
- /// 检测指定目录是否存在
- /// </summary>
- /// <param name="directoryPath">目录的绝对路径</param>
- /// <returns></returns>
- public static bool IsExistDirectory(string directoryPath)
- {
- return Directory.Exists(directoryPath);
- }
- #endregion
- #region 检测指定文件是否存在,如果存在返回true
- /// <summary>
- /// 检测指定文件是否存在,如果存在则返回true。
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static bool IsExistFile(string filePath)
- {
- return File.Exists(filePath);
- }
- #endregion
- #region 获取指定目录中的文件列表
- /// <summary>
- /// 获取指定目录中所有文件列表
- /// </summary>
- /// <param name="directoryPath">指定目录的绝对路径</param>
- public static string[] GetFileNames(string directoryPath)
- {
- //如果目录不存在,则抛出异常
- if (!IsExistDirectory(directoryPath))
- {
- throw new FileNotFoundException();
- }
- //获取文件列表
- return Directory.GetFiles(directoryPath);
- }
- #endregion
- #region 获取指定目录中所有子目录列表,若要搜索嵌套的子目录列表,请使用重载方法.
- /// <summary>
- /// 获取指定目录中所有子目录列表,若要搜索嵌套的子目录列表,请使用重载方法.
- /// </summary>
- /// <param name="directoryPath">指定目录的绝对路径</param>
- public static string[] GetDirectories(string directoryPath)
- {
- try
- {
- return Directory.GetDirectories(directoryPath);
- }
- catch (IOException ex)
- {
- throw ex;
- }
- }
- #endregion
- #region 获取指定目录及子目录中所有文件列表
- /// <summary>
- /// 获取指定目录及子目录中所有文件列表
- /// </summary>
- /// <param name="directoryPath">指定目录的绝对路径</param>
- /// <param name="searchPattern">模式字符串,"*"代表0或N个字符,"?"代表1个字符。
- /// 范例:"Log*.xml"表示搜索所有以Log开头的Xml文件。</param>
- /// <param name="isSearchChild">是否搜索子目录</param>
- public static string[] GetFileNames(string directoryPath, string searchPattern, bool isSearchChild)
- {
- //如果目录不存在,则抛出异常
- if (!IsExistDirectory(directoryPath))
- {
- throw new FileNotFoundException();
- }
- try
- {
- if (isSearchChild)
- {
- return Directory.GetFiles(directoryPath, searchPattern, SearchOption.AllDirectories);
- }
- else
- {
- return Directory.GetFiles(directoryPath, searchPattern, SearchOption.TopDirectoryOnly);
- }
- }
- catch (IOException ex)
- {
- throw ex;
- }
- }
- #endregion
- #region 检测指定目录是否为空
- /// <summary>
- /// 检测指定目录是否为空
- /// </summary>
- /// <param name="directoryPath">指定目录的绝对路径</param>
- public static bool IsEmptyDirectory(string directoryPath)
- {
- try
- {
- //判断是否存在文件
- string[] fileNames = GetFileNames(directoryPath);
- if (fileNames.Length > 0)
- {
- return false;
- }
- //判断是否存在文件夹
- string[] directoryNames = GetDirectories(directoryPath);
- if (directoryNames.Length > 0)
- {
- return false;
- }
- return true;
- }
- catch
- {
- //这里记录日志
- //LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
- return true;
- }
- }
- #endregion
- #region 检测指定目录中是否存在指定的文件
- /// <summary>
- /// 检测指定目录中是否存在指定的文件,若要搜索子目录请使用重载方法.
- /// </summary>
- /// <param name="directoryPath">指定目录的绝对路径</param>
- /// <param name="searchPattern">模式字符串,"*"代表0或N个字符,"?"代表1个字符。
- /// 范例:"Log*.xml"表示搜索所有以Log开头的Xml文件。</param>
- public static bool Contains(string directoryPath, string searchPattern)
- {
- try
- {
- //获取指定的文件列表
- string[] fileNames = GetFileNames(directoryPath, searchPattern, false);
- //判断指定文件是否存在
- if (fileNames.Length == 0)
- {
- return false;
- }
- else
- {
- return true;
- }
- }
- catch (Exception ex)
- {
- throw new Exception(ex.Message);
- //LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
- }
- }
- /// <summary>
- /// 检测指定目录中是否存在指定的文件
- /// </summary>
- /// <param name="directoryPath">指定目录的绝对路径</param>
- /// <param name="searchPattern">模式字符串,"*"代表0或N个字符,"?"代表1个字符。
- /// 范例:"Log*.xml"表示搜索所有以Log开头的Xml文件。</param>
- /// <param name="isSearchChild">是否搜索子目录</param>
- public static bool Contains(string directoryPath, string searchPattern, bool isSearchChild)
- {
- try
- {
- //获取指定的文件列表
- string[] fileNames = GetFileNames(directoryPath, searchPattern, true);
- //判断指定文件是否存在
- if (fileNames.Length == 0)
- {
- return false;
- }
- else
- {
- return true;
- }
- }
- catch (Exception ex)
- {
- throw new Exception(ex.Message);
- //LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
- }
- }
- #endregion
- #region 创建目录
- /// <summary>
- /// 创建目录
- /// </summary>
- /// <param name="dir">要创建的目录路径包括目录名</param>
- public static void CreateDir(string dir)
- {
- if (dir.Length == 0) return;
- if (!Directory.Exists(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir))
- Directory.CreateDirectory(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir);
- }
- #endregion
- #region 删除目录
- /// <summary>
- /// 删除目录
- /// </summary>
- /// <param name="dir">要删除的目录路径和名称</param>
- public static void DeleteDir(string dir)
- {
- if (dir.Length == 0) return;
- if (Directory.Exists(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir))
- Directory.Delete(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir);
- }
- #endregion
- #region 删除文件
- /// <summary>
- /// 删除文件
- /// </summary>
- /// <param name="file">要删除的文件路径和名称</param>
- public static void DeleteFile(string file)
- {
- if (File.Exists(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + file))
- File.Delete(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + file);
- }
- #endregion
- #region 创建文件
- /// <summary>
- /// 创建文件
- /// </summary>
- /// <param name="dir">带后缀的文件名</param>
- /// <param name="pagestr">文件内容</param>
- public static void CreateFile(string dir, string pagestr)
- {
- dir = dir.Replace("/", "\\");
- if (dir.IndexOf("\\") > -1)
- CreateDir(dir.Substring(0, dir.LastIndexOf("\\")));
- System.IO.StreamWriter sw = new System.IO.StreamWriter(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir, false, System.Text.Encoding.GetEncoding("GB2312"));
- sw.Write(pagestr);
- sw.Close();
- }
- #endregion
- #region 移动文件(剪贴--粘贴)
- /// <summary>
- /// 移动文件(剪贴--粘贴)
- /// </summary>
- /// <param name="dir1">要移动的文件的路径及全名(包括后缀)</param>
- /// <param name="dir2">文件移动到新的位置,并指定新的文件名</param>
- public static void MoveFile(string dir1, string dir2)
- {
- dir1 = dir1.Replace("/", "\\");
- dir2 = dir2.Replace("/", "\\");
- if (File.Exists(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir1))
- File.Move(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir1, System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir2);
- }
- #endregion
- #region 复制文件
- /// <summary>
- /// 复制文件
- /// </summary>
- /// <param name="dir1">要复制的文件的路径已经全名(包括后缀)</param>
- /// <param name="dir2">目标位置,并指定新的文件名</param>
- public static void CopyFile(string dir1, string dir2)
- {
- dir1 = dir1.Replace("/", "\\");
- dir2 = dir2.Replace("/", "\\");
- if (File.Exists(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir1))
- {
- File.Copy(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir1, System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir2, true);
- }
- }
- #endregion
- #region 根据时间得到目录名 / 格式:yyyyMMdd 或者 HHmmssff
- /// <summary>
- /// 根据时间得到目录名yyyyMMdd
- /// </summary>
- /// <returns></returns>
- public static string GetDateDir()
- {
- return DateTime.Now.ToString("yyyyMMdd");
- }
- /// <summary>
- /// 根据时间得到文件名HHmmssff
- /// </summary>
- /// <returns></returns>
- public static string GetDateFile()
- {
- return DateTime.Now.ToString("HHmmssff");
- }
- #endregion
- #region 复制文件夹
- /// <summary>
- /// 复制文件夹(递归)
- /// </summary>
- /// <param name="varFromDirectory">源文件夹路径</param>
- /// <param name="varToDirectory">目标文件夹路径</param>
- public static void CopyFolder(string varFromDirectory, string varToDirectory)
- {
- Directory.CreateDirectory(varToDirectory);
- if (!Directory.Exists(varFromDirectory)) return;
- string[] directories = Directory.GetDirectories(varFromDirectory);
- if (directories.Length > 0)
- {
- foreach (string d in directories)
- {
- CopyFolder(d, varToDirectory + d.Substring(d.LastIndexOf("\\")));
- }
- }
- string[] files = Directory.GetFiles(varFromDirectory);
- if (files.Length > 0)
- {
- foreach (string s in files)
- {
- File.Copy(s, varToDirectory + s.Substring(s.LastIndexOf("\\")), true);
- }
- }
- }
- #endregion
- #region 检查文件,如果文件不存在则创建
- /// <summary>
- /// 检查文件,如果文件不存在则创建
- /// </summary>
- /// <param name="FilePath">路径,包括文件名</param>
- public static void ExistsFile(string FilePath)
- {
- //if(!File.Exists(FilePath))
- //File.Create(FilePath);
- //以上写法会报错,详细解释请看下文.........
- if (!File.Exists(FilePath))
- {
- FileStream fs = File.Create(FilePath);
- fs.Close();
- }
- }
- #endregion
- #region 删除指定文件夹对应其他文件夹里的文件
- /// <summary>
- /// 删除指定文件夹对应其他文件夹里的文件
- /// </summary>
- /// <param name="varFromDirectory">指定文件夹路径</param>
- /// <param name="varToDirectory">对应其他文件夹路径</param>
- public static void DeleteFolderFiles(string varFromDirectory, string varToDirectory)
- {
- Directory.CreateDirectory(varToDirectory);
- if (!Directory.Exists(varFromDirectory)) return;
- string[] directories = Directory.GetDirectories(varFromDirectory);
- if (directories.Length > 0)
- {
- foreach (string d in directories)
- {
- DeleteFolderFiles(d, varToDirectory + d.Substring(d.LastIndexOf("\\")));
- }
- }
- string[] files = Directory.GetFiles(varFromDirectory);
- if (files.Length > 0)
- {
- foreach (string s in files)
- {
- File.Delete(varToDirectory + s.Substring(s.LastIndexOf("\\")));
- }
- }
- }
- #endregion
- #region 从文件的绝对路径中获取文件名( 包含扩展名 )
- /// <summary>
- /// 从文件的绝对路径中获取文件名( 包含扩展名 )
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static string GetFileName(string filePath)
- {
- //获取文件的名称
- FileInfo fi = new FileInfo(filePath);
- return fi.Name;
- }
- #endregion
- /// <summary>
- /// 复制文件参考方法,页面中引用
- /// </summary>
- /// <param name="cDir">新路径</param>
- /// <param name="TempId">模板引擎替换编号</param>
- public static void CopyFiles(string cDir, string TempId)
- {
- //if (Directory.Exists(Request.PhysicalApplicationPath + "\\Controls"))
- //{
- // string TempStr = string.Empty;
- // StreamWriter sw;
- // if (File.Exists(Request.PhysicalApplicationPath + "\\Controls\\Default.aspx"))
- // {
- // TempStr = File.ReadAllText(Request.PhysicalApplicationPath + "\\Controls\\Default.aspx");
- // TempStr = TempStr.Replace("{$ChannelId$}", TempId);
- // sw = new StreamWriter(Request.PhysicalApplicationPath + "\\" + cDir + "\\Default.aspx", false, System.Text.Encoding.GetEncoding("GB2312"));
- // sw.Write(TempStr);
- // sw.Close();
- // }
- // if (File.Exists(Request.PhysicalApplicationPath + "\\Controls\\Column.aspx"))
- // {
- // TempStr = File.ReadAllText(Request.PhysicalApplicationPath + "\\Controls\\Column.aspx");
- // TempStr = TempStr.Replace("{$ChannelId$}", TempId);
- // sw = new StreamWriter(Request.PhysicalApplicationPath + "\\" + cDir + "\\List.aspx", false, System.Text.Encoding.GetEncoding("GB2312"));
- // sw.Write(TempStr);
- // sw.Close();
- // }
- // if (File.Exists(Request.PhysicalApplicationPath + "\\Controls\\Content.aspx"))
- // {
- // TempStr = File.ReadAllText(Request.PhysicalApplicationPath + "\\Controls\\Content.aspx");
- // TempStr = TempStr.Replace("{$ChannelId$}", TempId);
- // sw = new StreamWriter(Request.PhysicalApplicationPath + "\\" + cDir + "\\View.aspx", false, System.Text.Encoding.GetEncoding("GB2312"));
- // sw.Write(TempStr);
- // sw.Close();
- // }
- // if (File.Exists(Request.PhysicalApplicationPath + "\\Controls\\MoreDiss.aspx"))
- // {
- // TempStr = File.ReadAllText(Request.PhysicalApplicationPath + "\\Controls\\MoreDiss.aspx");
- // TempStr = TempStr.Replace("{$ChannelId$}", TempId);
- // sw = new StreamWriter(Request.PhysicalApplicationPath + "\\" + cDir + "\\DissList.aspx", false, System.Text.Encoding.GetEncoding("GB2312"));
- // sw.Write(TempStr);
- // sw.Close();
- // }
- // if (File.Exists(Request.PhysicalApplicationPath + "\\Controls\\ShowDiss.aspx"))
- // {
- // TempStr = File.ReadAllText(Request.PhysicalApplicationPath + "\\Controls\\ShowDiss.aspx");
- // TempStr = TempStr.Replace("{$ChannelId$}", TempId);
- // sw = new StreamWriter(Request.PhysicalApplicationPath + "\\" + cDir + "\\Diss.aspx", false, System.Text.Encoding.GetEncoding("GB2312"));
- // sw.Write(TempStr);
- // sw.Close();
- // }
- // if (File.Exists(Request.PhysicalApplicationPath + "\\Controls\\Review.aspx"))
- // {
- // TempStr = File.ReadAllText(Request.PhysicalApplicationPath + "\\Controls\\Review.aspx");
- // TempStr = TempStr.Replace("{$ChannelId$}", TempId);
- // sw = new StreamWriter(Request.PhysicalApplicationPath + "\\" + cDir + "\\Review.aspx", false, System.Text.Encoding.GetEncoding("GB2312"));
- // sw.Write(TempStr);
- // sw.Close();
- // }
- // if (File.Exists(Request.PhysicalApplicationPath + "\\Controls\\Search.aspx"))
- // {
- // TempStr = File.ReadAllText(Request.PhysicalApplicationPath + "\\Controls\\Search.aspx");
- // TempStr = TempStr.Replace("{$ChannelId$}", TempId);
- // sw = new StreamWriter(Request.PhysicalApplicationPath + "\\" + cDir + "\\Search.aspx", false, System.Text.Encoding.GetEncoding("GB2312"));
- // sw.Write(TempStr);
- // sw.Close();
- // }
- //}
- }
- #region 创建一个目录
- /// <summary>
- /// 创建一个目录
- /// </summary>
- /// <param name="directoryPath">目录的绝对路径</param>
- public static void CreateDirectory(string directoryPath)
- {
- //如果目录不存在则创建该目录
- if (!IsExistDirectory(directoryPath))
- {
- Directory.CreateDirectory(directoryPath);
- }
- }
- #endregion
- #region 创建一个文件
- /// <summary>
- /// 创建一个文件。
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static void CreateFile(string filePath)
- {
- try
- {
- //如果文件不存在则创建该文件
- if (!IsExistFile(filePath))
- {
- //创建一个FileInfo对象
- FileInfo file = new FileInfo(filePath);
- //创建文件
- FileStream fs = file.Create();
- //关闭文件流
- fs.Close();
- }
- }
- catch (Exception ex)
- {
- //LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
- throw ex;
- }
- }
- /// <summary>
- /// 创建一个文件,并将字节流写入文件。
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- /// <param name="buffer">二进制流数据</param>
- public static void CreateFile(string filePath, byte[] buffer)
- {
- try
- {
- //如果文件不存在则创建该文件
- if (!IsExistFile(filePath))
- {
- //创建一个FileInfo对象
- FileInfo file = new FileInfo(filePath);
- //创建文件
- FileStream fs = file.Create();
- //写入二进制流
- fs.Write(buffer, 0, buffer.Length);
- //关闭文件流
- fs.Close();
- }
- }
- catch (Exception ex)
- {
- //LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
- throw ex;
- }
- }
- #endregion
- #region 获取文本文件的行数
- /// <summary>
- /// 获取文本文件的行数
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static int GetLineCount(string filePath)
- {
- //将文本文件的各行读到一个字符串数组中
- string[] rows = File.ReadAllLines(filePath);
- //返回行数
- return rows.Length;
- }
- #endregion
- #region 获取一个文件的长度
- /// <summary>
- /// 获取一个文件的长度,单位为Byte
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static int GetFileSize(string filePath)
- {
- //创建一个文件对象
- FileInfo fi = new FileInfo(filePath);
- //获取文件的大小
- return (int)fi.Length;
- }
- #endregion
- #region 获取指定目录中的子目录列表
- /// <summary>
- /// 获取指定目录及子目录中所有子目录列表
- /// </summary>
- /// <param name="directoryPath">指定目录的绝对路径</param>
- /// <param name="searchPattern">模式字符串,"*"代表0或N个字符,"?"代表1个字符。
- /// 范例:"Log*.xml"表示搜索所有以Log开头的Xml文件。</param>
- /// <param name="isSearchChild">是否搜索子目录</param>
- public static string[] GetDirectories(string directoryPath, string searchPattern, bool isSearchChild)
- {
- try
- {
- if (isSearchChild)
- {
- return Directory.GetDirectories(directoryPath, searchPattern, SearchOption.AllDirectories);
- }
- else
- {
- return Directory.GetDirectories(directoryPath, searchPattern, SearchOption.TopDirectoryOnly);
- }
- }
- catch (IOException ex)
- {
- throw ex;
- }
- }
- #endregion
- #region 向文本文件写入内容
- /// <summary>
- /// 向文本文件中写入内容
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- /// <param name="text">写入的内容</param>
- /// <param name="encoding">编码</param>
- public static void WriteText(string filePath, string text, Encoding encoding)
- {
- //向文件写入内容
- File.WriteAllText(filePath, text, encoding);
- }
- #endregion
- #region 向文本文件的尾部追加内容
- /// <summary>
- /// 向文本文件的尾部追加内容
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- /// <param name="content">写入的内容</param>
- public static void AppendText(string filePath, string content)
- {
- File.AppendAllText(filePath, content);
- }
- #endregion
- #region 将现有文件的内容复制到新文件中
- /// <summary>
- /// 将源文件的内容复制到目标文件中
- /// </summary>
- /// <param name="sourceFilePath">源文件的绝对路径</param>
- /// <param name="destFilePath">目标文件的绝对路径</param>
- public static void Copy(string sourceFilePath, string destFilePath)
- {
- File.Copy(sourceFilePath, destFilePath, true);
- }
- #endregion
- #region 将文件移动到指定目录
- /// <summary>
- /// 将文件移动到指定目录
- /// </summary>
- /// <param name="sourceFilePath">需要移动的源文件的绝对路径</param>
- /// <param name="descDirectoryPath">移动到的目录的绝对路径</param>
- public static void Move(string sourceFilePath, string descDirectoryPath)
- {
- //获取源文件的名称
- string sourceFileName = GetFileName(sourceFilePath);
- if (IsExistDirectory(descDirectoryPath))
- {
- //如果目标中存在同名文件,则删除
- if (IsExistFile(descDirectoryPath + "\\" + sourceFileName))
- {
- DeleteFile(descDirectoryPath + "\\" + sourceFileName);
- }
- //将文件移动到指定目录
- File.Move(sourceFilePath, descDirectoryPath + "\\" + sourceFileName);
- }
- }
- #endregion
- #region 从文件的绝对路径中获取文件名( 不包含扩展名 )
- /// <summary>
- /// 从文件的绝对路径中获取文件名( 不包含扩展名 )
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static string GetFileNameNoExtension(string filePath)
- {
- //获取文件的名称
- FileInfo fi = new FileInfo(filePath);
- return fi.Name.Split('.')[0];
- }
- #endregion
- #region 从文件的绝对路径中获取扩展名
- /// <summary>
- /// 从文件的绝对路径中获取扩展名
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static string GetExtension(string filePath)
- {
- //获取文件的名称
- FileInfo fi = new FileInfo(filePath);
- return fi.Extension;
- }
- #endregion
- #region 清空指定目录
- /// <summary>
- /// 清空指定目录下所有文件及子目录,但该目录依然保存.
- /// </summary>
- /// <param name="directoryPath">指定目录的绝对路径</param>
- public static void ClearDirectory(string directoryPath)
- {
- if (IsExistDirectory(directoryPath))
- {
- //删除目录中所有的文件
- string[] fileNames = GetFileNames(directoryPath);
- for (int i = 0; i < fileNames.Length; i++)
- {
- DeleteFile(fileNames[i]);
- }
- //删除目录中所有的子目录
- string[] directoryNames = GetDirectories(directoryPath);
- for (int i = 0; i < directoryNames.Length; i++)
- {
- DeleteDirectory(directoryNames[i]);
- }
- }
- }
- #endregion
- #region 清空文件内容
- /// <summary>
- /// 清空文件内容
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static void ClearFile(string filePath)
- {
- //删除文件
- File.Delete(filePath);
- //重新创建该文件
- CreateFile(filePath);
- }
- #endregion
- #region 删除指定目录
- /// <summary>
- /// 删除指定目录及其所有子目录
- /// </summary>
- /// <param name="directoryPath">指定目录的绝对路径</param>
- public static void DeleteDirectory(string directoryPath)
- {
- if (IsExistDirectory(directoryPath))
- {
- Directory.Delete(directoryPath, true);
- }
- }
- #endregion
- }
- }
来源: http://www.phpxs.com/code/1004721/