【文件操作類】史上最完整的文件和目錄操作類，目錄
using System;
using System.Text;
using System.IO;
namespace HelloCsharp.Utilities
{
/// <summary>
/// 文件操作類
/// </summary>
public static class DirFile
{
#region 檢測指定目錄是否存在
/// <summary>
/// 檢測指定目錄是否存在
/// </summary>
/// <param name="directoryPath">目錄的絕對路徑</param>
/// <returns></returns>
public static bool IsExistDirectory(string directoryPath)
{
return Directory.Exists(directoryPath);
}
#endregion
#region 檢測指定文件是否存在,如果存在返回true
/// <summary>
/// 檢測指定文件是否存在,如果存在則返回true。
/// </summary>
/// <param name="filePath">文件的絕對路徑</param>
public static bool IsExistFile(string filePath)
{
return File.Exists(filePath);
}
#endregion
#region 獲取指定目錄中的文件列表
/// <summary>
/// 獲取指定目錄中所有文件列表
/// </summary>
/// <param name="directoryPath">指定目錄的絕對路徑</param>
public static string[] GetFileNames(string directoryPath)
{
//如果目錄不存在，則拋出異常
if (!IsExistDirectory(directoryPath))
{
throw new FileNotFoundException();
}
//獲取文件列表
return Directory.GetFiles(directoryPath);
}
#endregion
#region 獲取指定目錄中所有子目錄列表,若要搜索嵌套的子目錄列表,請使用重載方法.
/// <summary>
/// 獲取指定目錄中所有子目錄列表,若要搜索嵌套的子目錄列表,請使用重載方法.
/// </summary>
/// <param name="directoryPath">指定目錄的絕對路徑</param>
public static string[] GetDirectories(string directoryPath)
{
try
{
return Directory.GetDirectories(directoryPath);
}
catch (IOException ex)
{
throw ex;
}
}
#endregion
#region 獲取指定目錄及子目錄中所有文件列表
/// <summary>
/// 獲取指定目錄及子目錄中所有文件列表
/// </summary>
/// <param name="directoryPath">指定目錄的絕對路徑</param>
/// <param name="searchPattern">模式字符串，"*"代表0或N個字符，"?"代表1個字符。
/// 范例："Log*.xml"表示搜索所有以Log開頭的Xml文件。</param>
/// <param name="isSearchChild">是否搜索子目錄</param>
public static string[] GetFileNames(string directoryPath, string searchPattern, bool isSearchChild)
{
//如果目錄不存在，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 檢測指定目錄是否為空
/// <summary>
/// 檢測指定目錄是否為空
/// </summary>
/// <param name="directoryPath">指定目錄的絕對路徑</param>
public static bool IsEmptyDirectory(string directoryPath)
{
try
{
//判斷是否存在文件
string[] fileNames = GetFileNames(directoryPath);
if (fileNames.Length > 0)
{
return false;
}
//判斷是否存在文件夾
string[] directoryNames = GetDirectories(directoryPath);
if (directoryNames.Length > 0)
{
return false;
}
return true;
}
catch
{
//這裡記錄日志
//LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
return true;
}
}
#endregion
#region 檢測指定目錄中是否存在指定的文件
/// <summary>
/// 檢測指定目錄中是否存在指定的文件,若要搜索子目錄請使用重載方法.
/// </summary>
/// <param name="directoryPath">指定目錄的絕對路徑</param>
/// <param name="searchPattern">模式字符串，"*"代表0或N個字符，"?"代表1個字符。
/// 范例："Log*.xml"表示搜索所有以Log開頭的Xml文件。</param>
public static bool Contains(string directoryPath, string searchPattern)
{
try
{
//獲取指定的文件列表
string[] fileNames = GetFileNames(directoryPath, searchPattern, false);
//判斷指定文件是否存在
if (fileNames.Length == 0)
{
return false;
}
else
{
return true;
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
//LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
}
}
/// <summary>
/// 檢測指定目錄中是否存在指定的文件
/// </summary>
/// <param name="directoryPath">指定目錄的絕對路徑</param>
/// <param name="searchPattern">模式字符串，"*"代表0或N個字符，"?"代表1個字符。
/// 范例："Log*.xml"表示搜索所有以Log開頭的Xml文件。</param>
/// <param name="isSearchChild">是否搜索子目錄</param>
public static bool Contains(string directoryPath, string searchPattern, bool isSearchChild)
{
try
{
//獲取指定的文件列表
string[] fileNames = GetFileNames(directoryPath, searchPattern, true);
//判斷指定文件是否存在
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 創建目錄
/// <summary>
/// 創建目錄
/// </summary>
/// <param name="dir">要創建的目錄路徑包括目錄名</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 刪除目錄
/// <summary>
/// 刪除目錄
/// </summary>
/// <param name="dir">要刪除的目錄路徑和名稱</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">要刪除的文件路徑和名稱</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 創建文件
/// <summary>
/// 創建文件
/// </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.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 移動文件(剪貼--粘貼)
/// <summary>
/// 移動文件(剪貼--粘貼)
/// </summary>
/// <param name="dir1">要移動的文件的路徑及全名(包括後綴)</param>
/// <param name="dir2">文件移動到新的位置,並指定新的文件名</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 復制文件
/// <summary>
/// 復制文件
/// </summary>
/// <param name="dir1">要復制的文件的路徑已經全名(包括後綴)</param>
/// <param name="dir2">目標位置,並指定新的文件名</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 根據時間得到目錄名 / 格式:yyyyMMdd 或者 HHmmssff
/// <summary>
/// 根據時間得到目錄名yyyyMMdd
/// </summary>
/// <returns></returns>
public static string GetDateDir()
{
return DateTime.Now.ToString("yyyyMMdd");
}
/// <summary>
/// 根據時間得到文件名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">源文件夾路徑</param>
/// <param name="varToDirectory">目標文件夾路徑</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 檢查文件,如果文件不存在則創建
/// <summary>
/// 檢查文件,如果文件不存在則創建
/// </summary>
/// <param name="FilePath">路徑,包括文件名</param>
public static void ExistsFile(string FilePath)
{
//if(!File.Exists(FilePath))
//File.Create(FilePath);
//以上寫法會報錯,詳細解釋請看下文.........
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">指定文件夾路徑</param>
/// <param name="varToDirectory">對應其他文件夾路徑</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 從文件的絕對路徑中獲取文件名( 包含擴展名 )
/// <summary>
/// 從文件的絕對路徑中獲取文件名( 包含擴展名 )
/// </summary>
/// <param name="filePath">文件的絕對路徑</param>
public static string GetFileName(string filePath)
{
//獲取文件的名稱
FileInfo fi = new FileInfo(filePath);
return fi.Name;
}
#endregion
/// <summary>
/// 復制文件參考方法,頁面中引用
/// </summary>
/// <param name="cDir">新路徑</param>
/// <param name="TempId">模板引擎替換編號</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.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 創建一個目錄
/// <summary>
/// 創建一個目錄
/// </summary>
/// <param name="directoryPath">目錄的絕對路徑</param>
public static void CreateDirectory(string directoryPath)
{
//如果目錄不存在則創建該目錄
if (!IsExistDirectory(directoryPath))
{
Directory.CreateDirectory(directoryPath);
}
}
#endregion
#region 創建一個文件
/// <summary>
/// 創建一個文件。
/// </summary>
/// <param name="filePath">文件的絕對路徑</param>
public static void CreateFile(string filePath)
{
try
{
//如果文件不存在則創建該文件
if (!IsExistFile(filePath))
{
//創建一個FileInfo對象
FileInfo file = new FileInfo(filePath);
//創建文件
FileStream fs = file.Create();
//關閉文件流
fs.Close();
}
}
catch (Exception ex)
{
//LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
throw ex;
}
}
/// <summary>
/// 創建一個文件,並將字節流寫入文件。
/// </summary>
/// <param name="filePath">文件的絕對路徑</param>
/// <param name="buffer">二進制流數據</param>
public static void CreateFile(string filePath, byte[] buffer)
{
try
{
//如果文件不存在則創建該文件
if (!IsExistFile(filePath))
{
//創建一個FileInfo對象
FileInfo file = new FileInfo(filePath);
//創建文件
FileStream fs = file.Create();
//寫入二進制流
fs.Write(buffer, 0, buffer.Length);
//關閉文件流
fs.Close();
}
}
catch (Exception ex)
{
//LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
throw ex;
}
}
#endregion
#region 獲取文本文件的行數
/// <summary>
/// 獲取文本文件的行數
/// </summary>
/// <param name="filePath">文件的絕對路徑</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);
//返回行數
return rows.Length;
}
#endregion
#region 獲取一個文件的長度
/// <summary>
/// 獲取一個文件的長度,單位為Byte
/// </summary>
/// <param name="filePath">文件的絕對路徑</param>
public static int GetFileSize(string filePath)
{
//創建一個文件對象
FileInfo fi = new FileInfo(filePath);
//獲取文件的大小
return (int)fi.Length;
}
#endregion
#region 獲取指定目錄中的子目錄列表
/// <summary>
/// 獲取指定目錄及子目錄中所有子目錄列表
/// </summary>
/// <param name="directoryPath">指定目錄的絕對路徑</param>
/// <param name="searchPattern">模式字符串，"*"代表0或N個字符，"?"代表1個字符。
/// 范例："Log*.xml"表示搜索所有以Log開頭的Xml文件。</param>
/// <param name="isSearchChild">是否搜索子目錄</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">文件的絕對路徑</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">文件的絕對路徑</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標文件中
/// </summary>
/// <param name="sourceFilePath">源文件的絕對路徑</param>
/// <param name="destFilePath">目標文件的絕對路徑</param>
public static void Copy(string sourceFilePath, string destFilePath)
{
File.Copy(sourceFilePath, destFilePath, true);
}
#endregion
#region 將文件移動到指定目錄
/// <summary>
/// 將文件移動到指定目錄
/// </summary>
/// <param name="sourceFilePath">需要移動的源文件的絕對路徑</param>
/// <param name="descDirectoryPath">移動到的目錄的絕對路徑</param>
public static void Move(string sourceFilePath, string descDirectoryPath)
{
//獲取源文件的名稱
string sourceFileName = GetFileName(sourceFilePath);
if (IsExistDirectory(descDirectoryPath))
{
//如果目標中存在同名文件,則刪除
if (IsExistFile(descDirectoryPath + "\\" + sourceFileName))
{
DeleteFile(descDirectoryPath + "\\" + sourceFileName);
}
//將文件移動到指定目錄
File.Move(sourceFilePath, descDirectoryPath + "\\" + sourceFileName);
}
}
#endregion
#region 從文件的絕對路徑中獲取文件名( 不包含擴展名 )
/// <summary>
/// 從文件的絕對路徑中獲取文件名( 不包含擴展名 )
/// </summary>
/// <param name="filePath">文件的絕對路徑</param>
public static string GetFileNameNoExtension(string filePath)
{
//獲取文件的名稱
FileInfo fi = new FileInfo(filePath);
return fi.Name.Split('.')[0];
}
#endregion
#region 從文件的絕對路徑中獲取擴展名
/// <summary>
/// 從文件的絕對路徑中獲取擴展名
/// </summary>
/// <param name="filePath">文件的絕對路徑</param>
public static string GetExtension(string filePath)
{
//獲取文件的名稱
FileInfo fi = new FileInfo(filePath);
return fi.Extension;
}
#endregion
#region 清空指定目錄
/// <summary>
/// 清空指定目錄下所有文件及子目錄,但該目錄依然保存.
/// </summary>
/// <param name="directoryPath">指定目錄的絕對路徑</param>
public static void ClearDirectory(string directoryPath)
{
if (IsExistDirectory(directoryPath))
{
//刪除目錄中所有的文件
string[] fileNames = GetFileNames(directoryPath);
for (int i = 0; i < fileNames.Length; i++)
{
DeleteFile(fileNames);
}
//刪除目錄中所有的子目錄
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">文件的絕對路徑</param>
public static void ClearFile(string filePath)
{
//刪除文件
File.Delete(filePath);
//重新創建該文件
CreateFile(filePath);
}
#endregion
#region 刪除指定目錄
/// <summary>
/// 刪除指定目錄及其所有子目錄
/// </summary>
/// <param name="directoryPath">指定目錄的絕對路徑</param>
public static void DeleteDirectory(string directoryPath)
{
if (IsExistDirectory(directoryPath))
{
Directory.Delete(directoryPath, true);
}
}
#endregion
}
}
