using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Web;
[Serializable]
public class FileItem
{
public FileItem()
{ }
#region 私有字段
private string _Name;
private string _FullName;
private DateTime _CreationDate;
private bool _IsFolder;
private long _Size;
private DateTime _LastAccessDate;
private DateTime _LastWriteDate;
private int _FileCount;
private int _SubFolderCount;
#endregion
#region 公有属性
/// <summary>
/// 名称
/// </summary>
public string Name
{
get { return _Name; }
set { _Name = value; }
}
/// <summary>
/// 文件或目录的完整目录
/// </summary>
public string FullName
{
get { return _FullName; }
set { _FullName = value; }
}
/// <summary>
/// 创建时间
/// </summary>
public DateTime CreationDate
{
get { return _CreationDate; }
set { _CreationDate = value; }
}
public bool IsFolder
{
get { return _IsFolder; }
set { _IsFolder = value; }
}
/// <summary>
/// 文件大小
/// </summary>
public long Size
{
get { return _Size; }
set { _Size = value; }
}
/// <summary>
/// 上次访问时间
/// </summary>
public DateTime LastAccessDate
{
get { return _LastAccessDate; }
set { _LastAccessDate = value; }
}
/// <summary>
/// 上次读写时间
/// </summary>
public DateTime LastWriteDate
{
get { return _LastWriteDate; }
set { _LastWriteDate = value; }
}
/// <summary>
/// 文件个数
/// </summary>
public int FileCount
{
get { return _FileCount; }
set { _FileCount = value; }
}
/// <summary>
/// 目录个数
/// </summary>
public int SubFolderCount
{
get { return _SubFolderCount; }
set { _SubFolderCount = value; }
}
#endregion
}
public class FileManager
{
#region 构造函数
private static string strRootFolder;
static FileManager()
{
strRootFolder = HttpContext.Current.Request.PhysicalApplicationPath + "File\";
strRootFolder = strRootFolder.Substring(0, strRootFolder.LastIndexOf(@""));
}
#endregion
#region 目录
/// <summary>
/// 读根目录
/// </summary>
public static string GetRootPath()
{
return strRootFolder;
}
/// <summary>
/// 写根目录
/// </summary>
public static void SetRootPath(string path)
{
strRootFolder = path;
}
/// <summary>
/// 读取目录列表
/// </summary>
public static List<FileItem> GetDirectoryItems()
{
return GetDirectoryItems(strRootFolder);
}
/// <summary>
/// 读取目录列表
/// </summary>
public static List<FileItem> GetDirectoryItems(string path)
{
List<FileItem> list = new List<FileItem>();
string[] folders = Directory.GetDirectories(path);
foreach (string s in folders)
{
FileItem item = new FileItem();
DirectoryInfo di = new DirectoryInfo(s);
item.Name = di.Name;
item.FullName = di.FullName;
item.CreationDate = di.CreationTime;
item.IsFolder = false;
list.Add(item);
}
return list;
}
#endregion
#region 文件
/// <summary>
/// 读取文件列表
/// </summary>
public static List<FileItem> GetFileItems()
{
return GetFileItems(strRootFolder);
}
/// <summary>
/// 读取文件列表
/// </summary>
public static List<FileItem> GetFileItems(string path)
{
List<FileItem> list = new List<FileItem>();
string[] files = Directory.GetFiles(path);
foreach (string s in files)
{
FileItem item = new FileItem();
FileInfo fi = new FileInfo(s);
item.Name = fi.Name;
item.FullName = fi.FullName;
item.CreationDate = fi.CreationTime;
item.IsFolder = true;
item.Size = fi.Length;
list.Add(item);
}
return list;
}
/// <summary>
/// 创建文件
/// </summary>
public static bool CreateFile(string filename, string path)
{
try
{
FileStream fs = File.Create(path + "\" + filename);
fs.Close();
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 创建文件
/// </summary>
public static bool CreateFile(string filename, string path, byte[] contents)
{
try
{
FileStream fs = File.Create(path + "\" + filename);
fs.Write(contents, 0, contents.Length);
fs.Close();
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 读取文件
/// </summary>
public static string OpenText(string parentName)
{
StreamReader sr = File.OpenText(parentName);
StringBuilder output = new StringBuilder();
string rl;
while ((rl = sr.ReadLine()) != null)
{
output.Append(rl);
}
sr.Close();
return output.ToString();
}
/// <summary>
/// 读取文件信息
/// </summary>
public static FileItem GetItemInfo(string path)
{
FileItem item = new FileItem();
if (Directory.Exists(path))
{
DirectoryInfo di = new DirectoryInfo(path);
item.Name = di.Name;
item.FullName = di.FullName;
item.CreationDate = di.CreationTime;
item.IsFolder = true;
item.LastAccessDate = di.LastAccessTime;
item.LastWriteDate = di.LastWriteTime;
item.FileCount = di.GetFiles().Length;
item.SubFolderCount = di.GetDirectories().Length;
}
else
{
FileInfo fi = new FileInfo(path);
item.Name = fi.Name;
item.FullName = fi.FullName;
item.CreationDate = fi.CreationTime;
item.LastAccessDate = fi.LastAccessTime;
item.LastWriteDate = fi.LastWriteTime;
item.IsFolder = false;
item.Size = fi.Length;
}
return item;
}
/// <summary>
/// 写入一个新文件，在文件中写入内容，然后关闭文件。如果目标文件已存在，则改写该文件。
/// </summary>
public static bool WriteAllText(string parentName, string contents)
{
try
{
File.WriteAllText(parentName, contents, Encoding.Unicode);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除文件
/// </summary>
public static bool DeleteFile(string path)
{
try
{
File.Delete(path);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 移动文件
/// </summary>
public static bool MoveFile(string oldPath, string newPath)
{
try
{
File.Move(oldPath, newPath);
return true;
}
catch
{
return false;
}
}
#endregion
#region 文件夹
/// <summary>
/// 创建文件夹
/// </summary>
public static void CreateFolder(string name, string parentName)
{
DirectoryInfo di = new DirectoryInfo(parentName);
di.CreateSubdirectory(name);
}
/// <summary>
/// 删除文件夹
/// </summary>
public static bool DeleteFolder(string path)
{
try
{
Directory.Delete(path);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 移动文件夹
/// </summary>
public static bool MoveFolder(string oldPath, string newPath)
{
try
{
Directory.Move(oldPath, newPath);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 复制文件夹
/// </summary>
public static bool CopyFolder(string source, string destination)
{
try
{
String[] files;
if (destination[destination.Length - 1] != Path.DirectorySeparatorChar) destination += Path.DirectorySeparatorChar;
if (!Directory.Exists(destination)) Directory.CreateDirectory(destination);
files = Directory.GetFileSystemEntries(source);
foreach (string element in files)
{
if (Directory.Exists(element))
CopyFolder(element, destination + Path.GetFileName(element));
else
File.Copy(element, destination + Path.GetFileName(element), true);
}
return true;
}
catch
{
return false;
}
}
#endregion
#region 检测文件
/// <summary>
/// 判断是否为安全文件名
/// </summary>
/// <param name="str">文件名</param>
public static bool IsSafeName(string strExtension)
{
strExtension = strExtension.ToLower();
if (strExtension.LastIndexOf(".") >= 0)
{
strExtension = strExtension.Substring(strExtension.LastIndexOf("."));
}
else
{
strExtension = ".txt";
}
string[] arrExtension = { ".htm", ".html", ".txt", ".js", ".css", ".xml", ".sitemap", ".jpg", ".gif", ".png", ".rar", ".zip" };
for (int i = 0; i < arrExtension.Length; i++)
{
if (strExtension.Equals(arrExtension[i]))
{
return true;
}
}
return false;
}
/// <summary>
/// 判断是否为不安全文件名
/// </summary>
/// <param name="str">文件名、文件夹名</param>
public static bool IsUnsafeName(string strExtension)
{
strExtension = strExtension.ToLower();
if (strExtension.LastIndexOf(".") >= 0)
{
strExtension = strExtension.Substring(strExtension.LastIndexOf("."));
}
else
{
strExtension = ".txt";
}
string[] arrExtension = { ".", ".asp", ".aspx", ".cs", ".net", ".dll", ".config", ".ascx", ".master", ".asmx", ".asax", ".cd", ".browser", ".rpt", ".ashx", ".xsd", ".mdf", ".resx", ".xsd" };
for (int i = 0; i < arrExtension.Length; i++)
{
if (strExtension.Equals(arrExtension[i]))
{
return true;
}
}
return false;
}
/// <summary>
/// 判断是否为可编辑文件
/// </summary>
/// <param name="str">文件名、文件夹名</param>
public static bool IsCanEdit(string strExtension)
{
strExtension = strExtension.ToLower();
if (strExtension.LastIndexOf(".") >= 0)
{
strExtension = strExtension.Substring(strExtension.LastIndexOf("."));
}
else
{
strExtension = ".txt";
}
string[] arrExtension = { ".htm", ".html", ".txt", ".js", ".css", ".xml", ".sitemap" };
for (int i = 0; i < arrExtension.Length; i++)
{
if (strExtension.Equals(arrExtension[i]))
{
return true;
}
}
return false;
}
#endregion
}