Asp.net对文件夹和文件的操作类

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

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

}
/**//// <summary>
/// 在根目录下创建文件夹
/// </summary>
/// <param name="FolderPath">要创建的文件路径</param>
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;
}
}
}

/**//// <summary>
/// 删除一个文件夹下面的字文件夹和文件
/// </summary>
/// <param name="FolderPathName"></param>
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;
}
}
}

/**//// <summary>
/// 删除一个文件
/// </summary>
/// <param name="FilePathName"></param>
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
{
}
}
/**//// <summary>
/// 删除整个文件夹及其字文件夹和文件
/// </summary>
/// <param name="FolderPathName"></param>
public void DeleParentFolder(string FolderPathName)
{
try
{
DirectoryInfo DelFolder = new DirectoryInfo(System.Web.HttpContext.Current.Server.MapPath

(FolderPathName).ToString());
if(DelFolder.Exists)
{
DelFolder.Delete();
}
}
catch
{
}
}
/**//// <summary>
/// 在文件里追加内容
/// </summary>
/// <param name="FilePathName"></param>
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();

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