文件的创建、删除、内容追加、压缩、解压

using Microsoft.Win32;

using System;

using System.Collections.Generic;

using System.Diagnostics;

using System.IO;

using System.Linq;

using System.Net;

using System.Text;

namespace Burgeon.Wing2.Common.Helper

{

public class FileHelper

{

/**/

///

/// 在根目录下创建文件夹

///

/// 要创建的文件路径

public void CreateFolder(string FolderPathName)

{

if (FolderPathName.Trim().Length > 0)

{

try

{

string CreatePath = System.Web.HttpContext.Current.Server.MapPath(FolderPathName).ToString();

//CreatePath = CreatePath;

if (!Directory.Exists(CreatePath))

{

Directory.CreateDirectory(CreatePath);

}

}

catch (Exception ex)

{

throw ex;

}

}

}

/**/

///

/// 删除一个文件夹下面的字文件夹和文件

///

///

public void DeleteChildFolder(string FolderPathName)

{

if (FolderPathName.Trim().Length > 0)

{

try

{

string CreatePath = System.Web.HttpContext.Current.Server.MapPath(FolderPathName).ToString();

if (Directory.Exists(CreatePath))

{

Directory.Delete(CreatePath, true);

}

}

catch (Exception ex)

{

throw ex;

}

}

}

/**/

///

/// 删除一个文件

///

///

public void DeleteFile(string FilePathName)

{

try

{

FileInfo DeleFile = new FileInfo(System.Web.HttpContext.Current.Server.MapPath(FilePathName).ToString());

DeleFile.Delete();

}

catch (Exception ex)

{

throw ex;

}

}

public void CreateFile(string FilePathName)

{

try

{

//创建文件夹

string[] strPath = FilePathName.Split('/');

CreateFolder(FilePathName.Replace("/" + strPath[strPath.Length - 1].ToString(), "")); //创建文件夹

FileInfo CreateFile = new FileInfo(System.Web.HttpContext.Current.Server.MapPath(FilePathName).ToString()); //创建文件

if (!CreateFile.Exists)

{

FileStream FS = CreateFile.Create();

FS.Close();

}

}

catch (Exception ex)

{

throw ex;

}

}

/**/

///

/// 删除整个文件夹及其字文件夹和文件

///

///

public void DeleParentFolder(string FolderPathName)

{

try

{

DirectoryInfo DelFolder = new DirectoryInfo(System.Web.HttpContext.Current.Server.MapPath(FolderPathName).ToString());

if (DelFolder.Exists)

{

DelFolder.Delete();

}

}

catch(Exception ex)

{

throw ex;

}

}

/**/

///

/// 在文件里追加内容

///

///

public void ReWriteReadinnerText(string FilePathName, string WriteWord)

{

try

{

//建立文件夹和文件

//CreateFolder(FilePathName);

CreateFile(FilePathName);

//得到原来文件的内容

FileStream FileRead = new FileStream(System.Web.HttpContext.Current.Server.MapPath(FilePathName).ToString(), FileMode.Open, FileAccess.ReadWrite);

StreamReader FileReadWord = new StreamReader(FileRead, System.Text.Encoding.Default);

string OldString = FileReadWord.ReadToEnd().ToString();

OldString = OldString + WriteWord;

//把新的内容重新写入

StreamWriter FileWrite = new StreamWriter(FileRead, System.Text.Encoding.Default);

FileWrite.Write(WriteWord);

//关闭

FileWrite.Close();

FileReadWord.Close();

FileRead.Close();

}

catch(Exception ce)

{

throw ce;

}

}

/**/

///

/// 在文件里追加内容

///

///

public string ReaderFileData(string FilePathName)

{

try

{

FileStream FileRead = new FileStream(System.Web.HttpContext.Current.Server.MapPath(FilePathName).ToString(), FileMode.Open, FileAccess.Read);

StreamReader FileReadWord = new StreamReader(FileRead, System.Text.Encoding.Default);

string TxtString = FileReadWord.ReadToEnd().ToString();

//关闭

FileReadWord.Close();

FileRead.Close();

return TxtString;

}

catch(Exception ex)

{

throw ex;

}

}

/**/

///

/// 读取文件夹的文件

///

///

///

public DirectoryInfo checkValidSessionPath(string FilePathName)

{

try

{

DirectoryInfo MainDir = new DirectoryInfo(System.Web.HttpContext.Current.Server.MapPath(FilePathName));

return MainDir;

}

catch(Exception ce)

{

throw ce;

}

}

/// <summary>

/// 利用 WinRAR 进行压缩 ,具体查看 http://www.okbase.net/doc/details/2582
/// </summary>

/// <param name="path">将要被压缩的文件夹（绝对路径）</param>

/// <param name="rarPath">压缩后的 .rar 的存放目录（绝对路径）</param>

/// <param name="rarName">压缩文件的名称（包括后缀）</param>

/// <returns>true 或 false。压缩成功返回 true，反之，false。</returns>

public bool RAR(string path, string rarPath, string rarName)

{

bool flag = false;

string rarexe; //WinRAR.exe 的完整路径

//RegistryKey regkey; //注册表键

//Object regvalue; //键值

string cmd; //WinRAR 命令参数

ProcessStartInfo startinfo;

Process process;

try

{

rarexe = AppDomain.CurrentDomain.BaseDirectory + @"\WinRAR.exe";

string targetpath = System.IO.Path.GetDirectoryName(path);

if (!System.IO.Directory.Exists(targetpath))

System.IO.Directory.CreateDirectory(targetpath);

string targetrarPath = System.IO.Path.GetDirectoryName(rarPath);//存放路径不存在 创建

if (!System.IO.Directory.Exists(targetrarPath))

System.IO.Directory.CreateDirectory(targetrarPath);

//压缩命令，相当于在要压缩的文件夹(path)上点右键->WinRAR->添加到压缩文件->输入压缩文件名(rarName)

cmd = string.Format("a {0} {1} -ep1 -o+ -inul -r -ibck",

rarName,

path);

startinfo = new ProcessStartInfo();

startinfo.FileName = rarexe;

startinfo.Arguments = cmd; //设置命令参数

startinfo.WindowStyle = ProcessWindowStyle.Hidden; //隐藏 WinRAR 窗口

startinfo.WorkingDirectory = rarPath;

process = new Process();

process.StartInfo = startinfo;

process.Start();

process.WaitForExit(); //无限期等待进程 winrar.exe 退出

if (process.HasExited)

{

flag = true;

}

process.Close();

}

catch (Exception e)

{

throw e;

}

return flag;

}

/// <summary>

/// 利用 WinRAR 进行解压缩

/// </summary>

/// <param name="path">文件解压路径（绝对）</param>

/// <param name="rarPath">将要解压缩的 .rar 文件的存放目录（绝对路径）</param>

/// <param name="rarName">将要解压缩的 .rar 文件名（包括后缀）</param>

/// <returns>true 或 false。解压缩成功返回 true，反之，false。</returns>

public bool UnRAR(string path, string rarPath, string rarName)

{

bool flag = false;

string rarexe;

//RegistryKey regkey;

//Object regvalue;

string cmd;

ProcessStartInfo startinfo;

Process process;

try

{

rarexe = AppDomain.CurrentDomain.BaseDirectory + @"\WinRAR.exe";

string targetpath = System.IO.Path.GetDirectoryName(path);

if (!System.IO.Directory.Exists(targetpath))

System.IO.Directory.CreateDirectory(targetpath);

//解压缩命令，相当于在要压缩文件(rarName)上点右键->WinRAR->解压到当前文件夹

cmd = string.Format("x {0} {1} -y",

rarName,

path);

startinfo = new ProcessStartInfo();

startinfo.FileName = rarexe;

startinfo.Arguments = cmd;

startinfo.WindowStyle = ProcessWindowStyle.Hidden;

startinfo.WorkingDirectory = rarPath;

process = new Process();

process.StartInfo = startinfo;

process.Start();

process.WaitForExit();

if (process.HasExited)

{

flag = true;

}

process.Close();

}

catch (Exception e)

{

throw e;

}

return flag;

}

/// <summary>

/// 利用 WinRAR 进行压缩 ,具体查看 http://www.okbase.net/doc/details/2582
/// </summary>

/// <param name="path">将要被压缩的文件夹（绝对路径）</param>

/// <param name="rarPath">压缩后的 .rar 的存放目录（绝对路径）</param>

/// <param name="rarName">压缩文件的名称（包括后缀）</param>

/// <param name="xfileName">排除文件夹里所有文件，以及文件本身；多个文件直接以；隔开 如：bin ；obj</param>

/// <returns>true 或 false。压缩成功返回 true，反之，false。</returns>

public bool RARXFM(string path, string rarPath, string rarName,string xfileName)

{

bool flag = false;

string rarexe; //WinRAR.exe 的完整路径

//RegistryKey regkey; //注册表键

//Object regvalue; //键值

string cmd; //WinRAR 命令参数

ProcessStartInfo startinfo;

Process process;

try

{

rarexe = AppDomain.CurrentDomain.BaseDirectory + @"\WinRAR.exe";

string targetpath = System.IO.Path.GetDirectoryName(path);

if (!System.IO.Directory.Exists(targetpath))

System.IO.Directory.CreateDirectory(targetpath);

string targetrarPath = System.IO.Path.GetDirectoryName(rarPath);//存放路径不存在 创建

if (!System.IO.Directory.Exists(targetrarPath))

System.IO.Directory.CreateDirectory(targetrarPath);

//压缩命令，相当于在要压缩的文件夹(path)上点右键->WinRAR->添加到压缩文件->输入压缩文件名(rarName)

cmd = string.Format("a {0} {1} -ep1 -o+ -inul -r -ibck",

rarName,

path);

//-x*\\bin\\* -x*\\bin -x*\\obj\\* -x*\\obj ---排除bin,obj文件夹里所有文件，以及文件本身

#region 排除文件里所有文件已经文件本身

if (!string.IsNullOrEmpty(xfileName))

{

string[] arrarlist = xfileName.Split(';');

string arrtr = string.Empty;

foreach (string str in arrarlist)

{

arrtr += string.Format(" -x*\\{0}\\* -x*\\{0} ", str);

}

cmd = cmd + arrtr;

}

#endregion

startinfo = new ProcessStartInfo();

startinfo.FileName = rarexe;

startinfo.Arguments = cmd; //设置命令参数

startinfo.WindowStyle = ProcessWindowStyle.Hidden; //隐藏 WinRAR 窗口

startinfo.WorkingDirectory = rarPath;

process = new Process();

process.StartInfo = startinfo;

process.Start();

process.WaitForExit(); //无限期等待进程 winrar.exe 退出

if (process.HasExited)

{

flag = true;

}

process.Close();

}

catch (Exception e)

{

throw e;

}

return flag;

}

}

}