C#完成最完全的文件和目次操作類實例

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本文實例講述了C#完成最完全的文件和目次操作類。分享給年夜家供年夜家參考。詳細以下：

using System;
using System.Text;
using System.IO;
namespace HelloCsharp.Utilities
{
 /// <summary>
 /// 文件操作類
 /// </summary>
 public static class DirFile
 {
  #region 檢測指定目次能否存在
  /// <summary>
  /// 檢測指定目次能否存在
  /// </summary>
  /// <param name="directoryPath">目次的相對途徑</param>
  /// <returns></returns>
  public static bool IsExistDirectory(string directoryPath)
  {
   return Directory.Exists(directoryPath);
  }
  #endregion
  #region 檢測指定文件能否存在,假如存在前往true
  /// <summary>
  /// 檢測指定文件能否存在,假如存在則前往true。
  /// </summary>
  /// <param name="filePath">文件的相對途徑</param>  
  public static bool IsExistFile(string filePath)
  {
   return File.Exists(filePath);
  }
  #endregion
  #region 獲得指定目次中的文件列表
  /// <summary>
  /// 獲得指定目次中一切文件列表
  /// </summary>
  /// <param name="directoryPath">指定目次的相對途徑</param>
  public static string[] GetFileNames(string directoryPath)
  {
   //假如目次不存在，則拋出異常
   if (!IsExistDirectory(directoryPath))
   {
    throw new FileNotFoundException();
   }
   //獲得文件列表
   return Directory.GetFiles(directoryPath);
  }
  #endregion
  #region 獲得指定目次中一切子目次列表,若要搜刮嵌套的子目次列表,請應用重載辦法.
  /// <summary>
  /// 獲得指定目次中一切子目次列表,若要搜刮嵌套的子目次列表,請應用重載辦法.
  /// </summary>
  /// <param name="directoryPath">指定目次的相對途徑</param>
  public static string[] GetDirectories(string directoryPath)
  {
   try
   {
    return Directory.GetDirectories(directoryPath);
   }
   catch (IOException ex)
   {
    throw ex;
   }
  }
  #endregion
  #region 獲得指定目次及子目次中一切文件列表
  /// <summary>
  /// 獲得指定目次及子目次中一切文件列表
  /// </summary>
  /// <param name="directoryPath">指定目次的相對途徑</param>
  /// <param name="searchPattern">形式字符串，"*"代表0或N個字符，"?"代表1個字符。
  /// 典范："Log*.xml"表現搜刮一切以Log開首的Xml文件。</param>
  /// <param name="isSearchChild">能否搜刮子目次</param>
  public static string[] GetFileNames(string directoryPath, string searchPattern, bool isSearchChild)
  {
   //假如目次不存在，則拋出異常
   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 檢測指定目次能否為空
  /// <summary>
  /// 檢測指定目次能否為空
  /// </summary>
  /// <param name="directoryPath">指定目次的相對途徑</param>
  public static bool IsEmptyDirectory(string directoryPath)
  {
   try
   {
    //斷定能否存在文件
    string[] fileNames = GetFileNames(directoryPath);
    if (fileNames.Length > 0)
    {
     return false;
    }
    //斷定能否存在文件夾
    string[] directoryNames = GetDirectories(directoryPath);
    if (directoryNames.Length > 0)
    {
     return false;
    }
    return true;
   }
   catch
   {
    //這裡記載日記
    //LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
    return true;
   }
  }
  #endregion
  #region 檢測指定目次中能否存在指定的文件
  /// <summary>
  /// 檢測指定目次中能否存在指定的文件,若要搜刮子目次請應用重載辦法.
  /// </summary>
  /// <param name="directoryPath">指定目次的相對途徑</param>
  /// <param name="searchPattern">形式字符串，"*"代表0或N個字符，"?"代表1個字符。
  /// 典范："Log*.xml"表現搜刮一切以Log開首的Xml文件。</param>
  public static bool Contains(string directoryPath, string searchPattern)
  {
   try
   {
    //獲得指定的文件列表
    string[] fileNames = GetFileNames(directoryPath, searchPattern, false);

    //斷定指定文件能否存在
    if (fileNames.Length == 0)
    {
     return false;
    }
    else
    {
     return true;
    }
   }
   catch (Exception ex)
   {
    throw new Exception(ex.Message);
    //LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
   }
  }
  /// <summary>
  /// 檢測指定目次中能否存在指定的文件
  /// </summary>
  /// <param name="directoryPath">指定目次的相對途徑</param>
  /// <param name="searchPattern">形式字符串，"*"代表0或N個字符，"?"代表1個字符。
  /// 典范："Log*.xml"表現搜刮一切以Log開首的Xml文件。</param> 
  /// <param name="isSearchChild">能否搜刮子目次</param>
  public static bool Contains(string directoryPath, string searchPattern, bool isSearchChild)
  {
   try
   {
    //獲得指定的文件列表
    string[] fileNames = GetFileNames(directoryPath, searchPattern, true);

    //斷定指定文件能否存在
    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 創立目次
  /// <summary>
  /// 創立目次
  /// </summary>
  /// <param name="dir">要創立的目次途徑包含目次名</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 刪除目次
  /// <summary>
  /// 刪除目次
  /// </summary>
  /// <param name="dir">要刪除的目次途徑和稱號</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 刪除文件
  /// <summary>
  /// 刪除文件
  /// </summary>
  /// <param name="file">要刪除的文件途徑和稱號</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 創立文件
  /// <summary>
  /// 創立文件
  /// </summary>
  /// <param name="dir">帶後綴的文件名</param>
  /// <param name="pagestr">文件內容</param>
  public static void CreateFile(string dir, string pagestr)
  {
   dir = dir.WordStr("/", "\\");
   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 挪動文件(剪貼--粘貼)
  /// <summary>
  /// 挪動文件(剪貼--粘貼)
  /// </summary>
  /// <param name="dir1">要挪動的文件的途徑及全名(包含後綴)</param>
  /// <param name="dir2">文件挪動到新的地位,並指定新的文件名</param>
  public static void MoveFile(string dir1, string dir2)
  {
   dir1 = dir1.WordStr("/", "\\");
   dir2 = dir2.WordStr("/", "\\");
   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 復制文件
  /// <summary>
  /// 復制文件
  /// </summary>
  /// <param name="dir1">要復制的文件的途徑曾經全名(包含後綴)</param>
  /// <param name="dir2">目的地位,並指定新的文件名</param>
  public static void CopyFile(string dir1, string dir2)
  {
   dir1 = dir1.WordStr("/", "\\");
   dir2 = dir2.WordStr("/", "\\");
   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 依據時光獲得目次名 / 格局:yyyyMMdd 或許 HHmmssff
  /// <summary>
  /// 依據時光獲得目次名yyyyMMdd
  /// </summary>
  /// <returns></returns>
  public static string GetDateDir()
  {
   return DateTime.Now.ToString("yyyyMMdd");
  }
  /// <summary>
  /// 依據時光獲得文件名HHmmssff
  /// </summary>
  /// <returns></returns>
  public static string GetDateFile()
  {
   return DateTime.Now.ToString("HHmmssff");
  }
  #endregion
  #region 復制文件夾
  /// <summary>
  /// 復制文件夾(遞歸)
  /// </summary>
  /// <param name="varFromDirectory">源文件夾途徑</param>
  /// <param name="varToDirectory">目的文件夾途徑</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 檢討文件,假如文件不存在則創立
  /// <summary>
  /// 檢討文件,假如文件不存在則創立 
  /// </summary>
  /// <param name="FilePath">途徑,包含文件名</param>
  public static void ExistsFile(string FilePath)
  {
   //if(!File.Exists(FilePath)) 
   //File.Create(FilePath); 
   //以上寫法會報錯,具體說明請看下文......... 
   if (!File.Exists(FilePath))
   {
    FileStream fs = File.Create(FilePath);
    fs.Close();
   }
  }
  #endregion
  #region 刪除指定文件夾對應其他文件夾裡的文件
  /// <summary>
  /// 刪除指定文件夾對應其他文件夾裡的文件
  /// </summary>
  /// <param name="varFromDirectory">指定文件夾途徑</param>
  /// <param name="varToDirectory">對應其他文件夾途徑</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 從文件的相對途徑中獲得文件名( 包括擴大名 )
  /// <summary>
  /// 從文件的相對途徑中獲得文件名( 包括擴大名 )
  /// </summary>
  /// <param name="filePath">文件的相對途徑</param>  
  public static string GetFileName(string filePath)
  {
   //獲得文件的稱號
   FileInfo fi = new FileInfo(filePath);
   return fi.Name;
  }
  #endregion
  /// <summary>
  /// 復制文件參考辦法,頁面中援用
  /// </summary>
  /// <param name="cDir">新途徑</param>
  /// <param name="TempId">模板引擎調換編號</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.WordStr("{$ChannelId$}", 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.WordStr("{$ChannelId$}", 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.WordStr("{$ChannelId$}", 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.WordStr("{$ChannelId$}", 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.WordStr("{$ChannelId$}", 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.WordStr("{$ChannelId$}", 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.WordStr("{$ChannelId$}", TempId);

   //  sw = new StreamWriter(Request.PhysicalApplicationPath + "\\" + cDir + "\\Search.aspx", false, System.Text.Encoding.GetEncoding("GB2312"));
   //  sw.Write(TempStr);
   //  sw.Close();
   // }
   //}
  }
  #region 創立一個目次
  /// <summary>
  /// 創立一個目次
  /// </summary>
  /// <param name="directoryPath">目次的相對途徑</param>
  public static void CreateDirectory(string directoryPath)
  {
   //假如目次不存在則創立該目次
   if (!IsExistDirectory(directoryPath))
   {
    Directory.CreateDirectory(directoryPath);
   }
  }
  #endregion
  #region 創立一個文件
  /// <summary>
  /// 創立一個文件。
  /// </summary>
  /// <param name="filePath">文件的相對途徑</param>
  public static void CreateFile(string filePath)
  {
   try
   {
    //假如文件不存在則創立該文件
    if (!IsExistFile(filePath))
    {
     //創立一個FileInfo對象
     FileInfo file = new FileInfo(filePath);

     //創立文件
     FileStream fs = file.Create();

     //封閉文件流
     fs.Close();
    }
   }
   catch (Exception ex)
   {
    //LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
    throw ex;
   }
  }
  /// <summary>
  /// 創立一個文件,並將字撙節寫入文件。
  /// </summary>
  /// <param name="filePath">文件的相對途徑</param>
  /// <param name="buffer">二進制流數據</param>
  public static void CreateFile(string filePath, byte[] buffer)
  {
   try
   {
    //假如文件不存在則創立該文件
    if (!IsExistFile(filePath))
    {
     //創立一個FileInfo對象
     FileInfo file = new FileInfo(filePath);

     //創立文件
     FileStream fs = file.Create();

     //寫入二進制流
     fs.Write(buffer, 0, buffer.Length);

     //封閉文件流
     fs.Close();
    }
   }
   catch (Exception ex)
   {
    //LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
    throw ex;
   }
  }
  #endregion
  #region 獲得文本文件的行數
  /// <summary>
  /// 獲得文本文件的行數
  /// </summary>
  /// <param name="filePath">文件的相對途徑</param>  
  public static int GetLineCount(string filePath)
  {
   //將文本文件的各行讀到一個字符串數組中
   string[] rows = File.ReadAllLines(filePath);

   //前往行數
   return rows.Length;
  }
  #endregion

  #region 獲得一個文件的長度
  /// <summary>
  /// 獲得一個文件的長度,單元為Byte
  /// </summary>
  /// <param name="filePath">文件的相對途徑</param>  
  public static int GetFileSize(string filePath)
  {
   //創立一個文件對象
   FileInfo fi = new FileInfo(filePath);

   //獲得文件的年夜小
   return (int)fi.Length;
  }
  #endregion

  #region 獲得指定目次中的子目次列表
  /// <summary>
  /// 獲得指定目次及子目次中一切子目次列表
  /// </summary>
  /// <param name="directoryPath">指定目次的相對途徑</param>
  /// <param name="searchPattern">形式字符串，"*"代表0或N個字符，"?"代表1個字符。
  /// 典范："Log*.xml"表現搜刮一切以Log開首的Xml文件。</param>
  /// <param name="isSearchChild">能否搜刮子目次</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 向文本文件寫入內容

  /// <summary>
  /// 向文本文件中寫入內容
  /// </summary>
  /// <param name="filePath">文件的相對途徑</param>
  /// <param name="text">寫入的內容</param>
  /// <param name="encoding">編碼</param>
  public static void WriteText(string filePath, string text, Encoding encoding)
  {
   //向文件寫入內容
   File.WriteAllText(filePath, text, encoding);
  }
  #endregion

  #region 向文本文件的尾部追加內容
  /// <summary>
  /// 向文本文件的尾部追加內容
  /// </summary>
  /// <param name="filePath">文件的相對途徑</param>
  /// <param name="content">寫入的內容</param>
  public static void AppendText(string filePath, string content)
  {
   File.AppendAllText(filePath, content);
  }
  #endregion

  #region 將現有文件的內容復制到新文件中
  /// <summary>
  /// 將源文件的內容復制到目的文件中
  /// </summary>
  /// <param name="sourceFilePath">源文件的相對途徑</param>
  /// <param name="destFilePath">目的文件的相對途徑</param>
  public static void Copy(string sourceFilePath, string destFilePath)
  {
   File.Copy(sourceFilePath, destFilePath, true);
  }
  #endregion

  #region 將文件挪動到指定目次
  /// <summary>
  /// 將文件挪動到指定目次
  /// </summary>
  /// <param name="sourceFilePath">須要挪動的源文件的相對途徑</param>
  /// <param name="descDirectoryPath">挪動到的目次的相對途徑</param>
  public static void Move(string sourceFilePath, string descDirectoryPath)
  {
   //獲得源文件的稱號
   string sourceFileName = GetFileName(sourceFilePath);

   if (IsExistDirectory(descDirectoryPath))
   {
    //假如目的中存在同名文件,則刪除
    if (IsExistFile(descDirectoryPath + "\\" + sourceFileName))
    {
     DeleteFile(descDirectoryPath + "\\" + sourceFileName);
    }
    //將文件挪動到指定目次
    File.Move(sourceFilePath, descDirectoryPath + "\\" + sourceFileName);
   }
  }
  #endregion


  #region 從文件的相對途徑中獲得文件名( 不包括擴大名 )
  /// <summary>
  /// 從文件的相對途徑中獲得文件名( 不包括擴大名 )
  /// </summary>
  /// <param name="filePath">文件的相對途徑</param>  
  public static string GetFileNameNoExtension(string filePath)
  {
   //獲得文件的稱號
   FileInfo fi = new FileInfo(filePath);
   return fi.Name.Split('.')[0];
  }
  #endregion

  #region 從文件的相對途徑中獲得擴大名
  /// <summary>
  /// 從文件的相對途徑中獲得擴大名
  /// </summary>
  /// <param name="filePath">文件的相對途徑</param>  
  public static string GetExtension(string filePath)
  {
   //獲得文件的稱號
   FileInfo fi = new FileInfo(filePath);
   return fi.Extension;
  }
  #endregion

  #region 清空指定目次
  /// <summary>
  /// 清空指定目次下一切文件及子目次,但該目次仍然保留.
  /// </summary>
  /// <param name="directoryPath">指定目次的相對途徑</param>
  public static void ClearDirectory(string directoryPath)
  {
   if (IsExistDirectory(directoryPath))
   {
    //刪除目次中一切的文件
    string[] fileNames = GetFileNames(directoryPath);
    for (int i = 0; i < fileNames.Length; i++)
    {
     DeleteFile(fileNames);
    }

    //刪除目次中一切的子目次
    string[] directoryNames = GetDirectories(directoryPath);
    for (int i = 0; i < directoryNames.Length; i++)
    {
     DeleteDirectory(directoryNames);
    }
   }
  }
  #endregion

  #region 清空文件內容
  /// <summary>
  /// 清空文件內容
  /// </summary>
  /// <param name="filePath">文件的相對途徑</param>
  public static void ClearFile(string filePath)
  {
   //刪除文件
   File.Delete(filePath);

   //從新創立該文件
   CreateFile(filePath);
  }
  #endregion

  #region 刪除指定目次
  /// <summary>
  /// 刪除指定目次及其一切子目次
  /// </summary>
  /// <param name="directoryPath">指定目次的相對途徑</param>
  public static void DeleteDirectory(string directoryPath)
  {
   if (IsExistDirectory(directoryPath))
   {
    Directory.Delete(directoryPath, true);
   }
  }
  #endregion
 }
}

願望本文所述對年夜家的C#法式設計有所贊助。