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- using System;
- using System.Configuration;
- using System.IO;
- using System.Text;
- using System.Text.RegularExpressions;
- using System.Windows.Forms;
-
- namespace Common.system
- {
- /// <summary>
- /// 文件工具公共方法
- /// 创建人:赵耀
- /// 创建时间:2018年11月6日
- /// </summary>
- public static class FileToolsCommon
- {
- #region 获取文件的绝对路径
-
- /// <summary>
- /// 获取文件的绝对路径
- /// </summary>
- /// <param name="Path">相对路径</param>
- /// <returns></returns>
- public static string GetFileAbsolutePath(string Path = "")
- {
- try
- {
- if (!string.IsNullOrWhiteSpace(Path))
- {
- Path = Path.Replace("\\", "/");
- if (Path != "/")
- {
- if (Path.Substring(1, 1) == ":")
- return Path;
- if (Path.Substring(0, 1) != "/")
- Path = "/" + Path;
- }
- }
- string AbsolutePath = Application.StartupPath.ToString().Replace("\\", "/") + Path;
- return AbsolutePath;
- }
- catch (Exception)
- {
- return Path;
- }
- }
- /// <summary>
- /// 获取合法路径 结尾带/
- /// </summary>
- /// <returns></returns>
- public static string GetLegalPath(string FilePath)
- {
- FilePath = System.IO.Path.Combine(FilePath.Replace("\\", "/"));
- FilePath += (FilePath.Substring(FilePath.Length - 1, 1) == "/" ? "" : "/");
- return FilePath;
- }
- #endregion
-
- #region 检测路径是否合法
- /// <summary>
- /// 检测路径是否合法
- /// </summary>
- /// <param name="FilePathName">绝对路径</param>
- /// <param name="ErrMessage">返回错误</param>
- /// <returns></returns>
- public static bool IsLegalPath(string FilePathName, out string ErrMessage)
- {
- string FilePath;
- string FileName;
- ErrMessage = "";
- try
- {
- FilePath = GetDirectoryName(FilePathName);
- FileName = GetIOFileName(FilePathName);
- }
- catch (Exception)
- {
- ErrMessage = "路径或文件名不合法!";
- return false;
- }
- Regex regex = new Regex(@"^([a-zA-Z]:\\)?[^\/\:\*\?\""\<\>\|\,]*$");
- Match m = regex.Match(FilePath);
- if (!m.Success)
- {
- ErrMessage = "非法的文件保存路径!";
- return false;
- }
- if (!string.IsNullOrWhiteSpace(FileName))
- {
- regex = new Regex(@"^[^\/\:\*\?\""\<\>\|\,]+$");
- m = regex.Match(FileName);
- if (!m.Success)
- {
- ErrMessage = "非法的文件名!文件名中包含\\ / : * ? \" < > |等字符!";
- return false;
- }
- }
- return true;
-
- }
- #endregion
-
- #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>
- public static bool IsExistDirectory(string directoryPath)
- {
- return Directory.Exists(directoryPath);
- }
- #endregion
-
- #region 检测指定文件是否存在
- /// <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 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);
- return directoryNames.Length <= 0;
- }
- catch
- {
- return false;
- }
- }
- #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
- return fileNames.Length != 0;
- }
- catch
- {
- return false;
- }
- }
-
- /// <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, isSearchChild);
-
- //判断指定文件是否存在
- return fileNames.Length != 0;
- }
- catch
- {
- return false;
- }
- }
- #endregion
-
- #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)
- {
- try
- {
- //如果目录不存在则创建该目录
- if (!IsExistDirectory(directoryPath))
- {
- Directory.CreateDirectory(directoryPath);
- }
- }
- catch (Exception ex)
- {
- throw new ApplicationException(ex.Message); //"请使用管理员权限运行!"
- }
- }
- #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 bool 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
- {
- return false;
- }
-
- return true;
- }
-
- /// <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 bool 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
- {
- return false;
- }
- return true;
- }
- #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;
- }
-
- /// <summary>
- /// 获取一个文件的长度,单位为KB
- /// </summary>
- /// <param name="filePath">文件的路径</param>
- public static double GetFileSizeByKB(string filePath)
- {
- //创建一个文件对象
- FileInfo fi = new FileInfo(filePath);
- long size = fi.Length / 1024;
- //获取文件的大小
- return double.Parse(size.ToString());
- }
-
- /// <summary>
- /// 获取一个文件的长度,单位为MB
- /// </summary>
- /// <param name="filePath">文件的路径</param>
- public static double GetFileSizeByMB(string filePath)
- {
- //创建一个文件对象
- FileInfo fi = new FileInfo(filePath);
- long size = fi.Length / 1024 / 1024;
- //获取文件的大小
- return double.Parse(size.ToString());
- }
- #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 FileInfo[] GetFileInfos(string directoryPath, string files = null)
- {
- //如果目录不存在,则抛出异常
- if (!IsExistDirectory(directoryPath))
- {
- return null;//throw new FileNotFoundException();
- }
- DirectoryInfo folder = new DirectoryInfo(directoryPath);
- FileInfo[] fileList;
- if (files == null)
- fileList = folder.GetFiles();
- else
- fileList = folder.GetFiles(files);
- //获取文件列表
- return fileList;
- }
-
- /// <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))
- {
- return null;//throw new FileNotFoundException();
- }
-
- //获取文件列表
- return Directory.GetFiles(directoryPath);
- }
-
- /// <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))
- {
- return null;//throw new FileNotFoundException();
- }
-
- try
- {
- return Directory.GetFiles(directoryPath, searchPattern, isSearchChild ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly);
- }
- catch
- {
- return null;
- }
- }
- #endregion
-
- #region 获取指定目录中的子目录列表
- /// <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
- {
- return null;
- }
- }
-
- /// <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
- {
- return Directory.GetDirectories(directoryPath, searchPattern, isSearchChild ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly);
- }
- catch
- {
- return null;//throw
- }
- }
- #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="content">写入的内容</param>
- public static void WriteText(string filePath, string content)
- {
- //向文件写入内容
- File.WriteAllText(filePath, content);
- }
- #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 将流读取到缓冲区中
- /// <summary>
- /// 将流读取到缓冲区中
- /// </summary>
- /// <param name="stream">原始流</param>
- public static byte[] StreamToBytes(Stream stream)
- {
- try
- {
- //创建缓冲区
- byte[] buffer = new byte[stream.Length];
-
- //读取流
- stream.Read(buffer, 0, int.Parse(stream.Length.ToString()));
-
- //返回流
- return buffer;
- }
- catch
- {
- return null;
- }
- finally
- {
- //关闭流
- stream.Close();
- }
- }
- #endregion
-
- #region 将文件读取到缓冲区中
- /// <summary>
- /// 将文件读取到缓冲区中
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static byte[] FileToBytes(string filePath)
- {
- //获取文件的大小
- int fileSize = GetFileSize(filePath);
-
- //创建一个临时缓冲区
- byte[] buffer = new byte[fileSize];
-
- //创建一个文件流
- FileInfo fi = new FileInfo(filePath);
- FileStream fs = fi.Open(FileMode.Open);
-
- try
- {
- //将文件流读入缓冲区
- fs.Read(buffer, 0, fileSize);
-
- return buffer;
- }
- catch
- {
- return null;
- }
- finally
- {
- //关闭文件流
- fs.Close();
- }
- }
- #endregion
-
- #region 将文件读取到字符串中
- /// <summary>
- /// 将文件读取到字符串中
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static string FileToString(string filePath)
- {
- //return FileToString(filePath, Encoding.Default);
- return FileToString(filePath, Encoding.UTF8);
- }
- /// <summary>
- /// 将文件读取到字符串中
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- /// <param name="encoding">字符编码</param>
- public static string FileToString(string filePath, Encoding encoding)
- {
- //创建流读取器
- StreamReader reader = new StreamReader(filePath, encoding);
- try
- {
- //读取流
- return reader.ReadToEnd();
- }
- catch
- {
- return string.Empty;
- }
- finally
- {
- //关闭流读取器
- reader.Close();
- }
- }
- #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;
- }
- /// <summary>
- /// 使用IO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 GetIOFileName(string filePath)
- {
- return Path.GetFileName(filePath);
- }
- #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];
- }
- /// <summary>
- /// 使用IO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 GetIOFileNameNoExtension(string filePath)
- {
- return System.IO.Path.GetFileNameWithoutExtension(filePath);
- }
- #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;
- }
- /// <summary>
- /// 使用IO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 GetIOExtension(string filePath)
- {
- string Extension = System.IO.Path.GetExtension(filePath);
- return Extension;
- }
-
- #endregion
-
- #region 从文件的绝对路径中获取路径名
- /// <summary>
- /// 使用IO从文件的绝对路径中获取路径名
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static string GetDirectoryName(string filePath)
- {
- string DirectoryName = (System.IO.Path.GetDirectoryName(filePath) + "\\").Replace("\\", "/");
- return DirectoryName;
- }
- #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);
- foreach (string t in fileNames)
- {
- DeleteFile(t);
- }
-
- //删除目录中所有的子目录
- string[] directoryNames = GetDirectories(directoryPath);
- foreach (string t in directoryNames)
- {
- DeleteDirectory(t);
- }
- }
- }
- #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 删除指定文件
- /// <summary>
- /// 删除指定文件
- /// </summary>
- /// <param name="filePath">文件的绝对路径</param>
- public static void DeleteFile(string filePath)
- {
- if (IsExistFile(filePath))
- {
- File.Delete(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
-
- #region 获取指定目录大小
- /// <summary>
- /// 获取目录大小
- /// </summary>
- /// <param name="directoryPath">目录地址</param>
- /// <returns> 单位:MB</returns>
- public static double PathSize(string directoryPath)
- {
- DirectoryInfo folder = new DirectoryInfo(directoryPath);
- double DirectorySize = DirSize(folder);
- for (int i = 0; i < 2; i++)
- {
- DirectorySize /= (double)1024;
- }
- return DirectorySize;
- }
-
- /// <summary>
- /// 获取目录大小
- /// </summary>
- /// <param name="d">目录</param>
- /// <returns>字节</returns>
- public static long DirSize(DirectoryInfo d)
- {
- long Size = 0;
- // 所有文件大小.
- FileInfo[] fis = d.GetFiles();
- foreach (FileInfo fi in fis)
- {
- Size += fi.Length;
- }
- // 遍历出当前目录的所有文件夹.
- DirectoryInfo[] dis = d.GetDirectories();
- foreach (DirectoryInfo di in dis)
- {
- Size += DirSize(di); //这就用到递归了,调用父方法,注意,这里并不是直接返回值,而是调用父返回来的
- }
- return (Size);
- }
- #endregion
-
- #region 移动目录
- /// <summary>
- /// 移动目录并重命名
- /// </summary>
- /// <param name="directoryPath">操作目录绝对路径</param>
- /// <param name="newDirectoryPath">目标目录绝对路径</param>
- /// <param name="Message">返回错误消息,成功则为空</param>
- /// <returns></returns>
- public static bool MoveDirectory(string directoryPath, string newDirectoryPath, out string Message)
- {
- Message = "";
- try
- {
- if (!IsExistDirectory(directoryPath))//判断目录是否存在
- {
- Message = "操作目录不存在!";
- return false;
- }
- if (IsExistDirectory(newDirectoryPath))
- {
- Message = "目标目录已存在!";
- return false;
- }
- Directory.Move(directoryPath, newDirectoryPath);
- return true;
- }
- catch (Exception ex)
- {
- Message = ex.Message;
- return false;
- }
- }
- #endregion
-
- #region 操作配置文件
- #region 从配置文件获取Value
- /// <summary>
- /// 从配置文件获取Value
- /// </summary>
- /// <param name="key">配置文件中key字符串</param>
- /// <returns></returns>
- public static string GetConfigValue(string key)
- {
- try
- {
- Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
- //获取AppSettings的节点
- AppSettingsSection appsection = (AppSettingsSection)config.GetSection("appSettings");
- return appsection.Settings[key].Value;
- }
- catch
- {
- return "";
- }
- }
- #endregion
-
- #region 设置配置文件
- /// <summary>
- /// 设置配置文件
- /// </summary>
- /// <param name="key">配置文件中key字符串</param>
- /// <param name="value">配置文件中value字符串</param>
- /// <returns></returns>
- public static bool SetConfigValue(string key, string value)
- {
- try
- {
- //打开配置文件
- Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
- //获取AppSettings的节点
- AppSettingsSection appsection = (AppSettingsSection)config.GetSection("appSettings");
- appsection.Settings[key].Value = value;
- config.Save();
-
- return true;
- }
- catch
- {
- return false;
- }
- }
- #endregion
- #endregion
- }
- }
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