asp.net创建文件夹与文件类

时间:2009-12-21 11:47来源:未知作者:admin 点击: 次

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Asp.net对文件夹和文件的操作类 using System; using System.IO; using System.Web; namespace SEC { /**//// /// 对文件和文件夹的操作类 /// public class FileControl { public FileControl() { } /**//// /// 在根目录下创建文

Asp.net对文件夹和文件的操作类

using System;
using System.IO;
using System.Web;

namespace SEC
{
/**////
/// 对文件和文件夹的操作类
///
public class FileControl
{
public FileControl()
{

}
/**////
/// 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("../../../Images/"+FolderPathName).ToString();
   if(!Directory.Exists(CreatePath))
   {
    Directory.CreateDirectory(CreatePath);
   }
   }
   catch
   {
    throw;
   }
  }
}

/**////
/// 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
   {
    throw;
   }
  }
}

/**////
/// 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
  {
  }
}
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
  {
  }
}
/**////
/// 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
  {
  }
}
/**////
/// 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
  {
   // throw;
  }
}

/**////
/// 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
  {
   throw;
  }
}

/**////
/// 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
  {
   throw;
  }
}
}
}