#region 1、获取一个文件的长度
/// <summary>
/// 1.1获取一个文件的长度,单位为Byte
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
public static int GetFileSize(string filePath)
{
//创建一个文件对象
FileInfo fi = new FileInfo(filePath);
//获取文件的大小
return (int)fi.Length;
}
/// <summary>
/// 1.2获取一个文件的长度,单位为KB
/// </summary>
/// <param name="filePath">文件的路径</param>
public static double GetFileSizeKB(string filePath)
{
//创建一个文件对象
FileInfo fi = new FileInfo(filePath);
//获取文件的大小
return ToDouble(Convert.ToDouble(fi.Length) / 1024,1);
}
/// <summary>
/// 1.3获取一个文件的长度,单位为MB
/// </summary>
/// <param name="filePath">文件的路径</param>
public static double GetFileSizeMB(string filePath)
{
//创建一个文件对象
FileInfo fi = new FileInfo(filePath);
//获取文件的大小
return ToDouble(Convert.ToDouble(fi.Length) / 1024 / 1024, 1);
}
#region ToDouble
private static double ToDouble(object data, double defValue)
{
//如果为空则返回默认值
if (data == null || Convert.IsDBNull(data))
{
return defValue;
}
try
{
return Convert.ToDouble(data);
}
catch
{
return defValue;
}
}
#endregion
#endregion 获取一个文件的长度
#region 2、对文件内容操作
#region 2.1写文件
/// <summary>
/// 2.1写文件
/// </summary>
/// <param name="Path">文件路径</param>
/// <param name="Strings">文件内容</param>
public static void WriteFile(string Path, string Strings)
{
if (!File.Exists(Path))
{
FileStream f = File.Create(Path);
f.Close();
f.Dispose();
}
StreamWriter f2 = new StreamWriter(Path, true, System.Text.Encoding.UTF8);
f2.WriteLine(Strings);
f2.Close();
f2.Dispose();
}
#endregion
#region 2.2读文件
/// <summary>
/// 2.2.1读文件
/// </summary>
/// <param name="Path">文件路径</param>
/// <returns></returns>
public static string ReadFile(string Path)
{
string s = "";
if (!System.IO.File.Exists(Path))
s = "不存在相应的目录";
else
{
StreamReader f2 = new StreamReader(Path, System.Text.Encoding.GetEncoding("gb2312"));
s = f2.ReadToEnd();
f2.Close();
f2.Dispose();
}
return s;
}
/// <summary>
/// 2.2.2读取文件
/// </summary>
/// <param name="filename"></param>
/// <param name="encoding"></param>
/// <param name="isCache"></param>
/// <returns></returns>
public static string ReadFile(string filename, Encoding encoding, bool isCache)
{
string body;
if (isCache)
{
body = (string)HttpContext.Current.Cache[filename];
if (body == null)
{
body = ReadFile(filename, encoding, false);
HttpContext.Current.Cache.Add(filename, body, new System.Web.Caching.CacheDependency(filename), DateTime.MaxValue, TimeSpan.Zero, System.Web.Caching.CacheItemPriority.High, null);
}
}
else
{
using (StreamReader sr = new StreamReader(filename, encoding))
{
body = sr.ReadToEnd();
}
}
return body;
}
#endregion
#region 2.3向文本文件中写入内容
/// <summary>
/// 2.3向文本文件中写入内容
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
/// <param name="content">写入的内容</param>
public static void WriteText(string filePath, string content)
{
//向文件写入内容
File.WriteAllText(filePath, content, Encoding.Default);
}
#endregion
#region 2.4向文本文件的尾部追加内容
/// <summary>
/// 2.4向文本文件的尾部追加内容
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
/// <param name="content">写入的内容</param>
public static void AppendText(string filePath, string content)
{
File.AppendAllText(filePath, content, Encoding.Default);
//StreamWriter sw = File.AppendText(filePath);
//sw.Write(content);
//sw.Flush();
//sw.Close();
//sw.Dispose();
}
#endregion
#region 2.5将现有文件的内容复制到新文件中
/// <summary>
/// 2.5将源文件的内容复制到目标文件中
/// </summary>
/// <param name="sourceFilePath">源文件的绝对路径</param>
/// <param name="destFilePath">目标文件的绝对路径</param>
public static void Copy(string sourceFilePath, string destFilePath)
{
File.Copy(sourceFilePath, destFilePath, true);
}
#endregion
#region 2.6备份文件
/// <summary>
/// 2.6备份文件
/// </summary>
/// <param name="sourceFileName">源文件名</param>
/// <param name="destFileName">目标文件名</param>
/// <param name="overwrite">当目标文件存在时是否覆盖</param>
/// <returns>操作是否成功</returns>
public static bool BackupFile(string sourceFileName, string destFileName, bool overwrite)
{
if (!System.IO.File.Exists(sourceFileName))
{
throw new FileNotFoundException(sourceFileName + "文件不存在！");
}
if (!overwrite && System.IO.File.Exists(destFileName))
{
return false;
}
try
{
System.IO.File.Copy(sourceFileName, destFileName, true);
return true;
}
catch (Exception e)
{
throw e;
}
}
#endregion
#region 2.7 恢复文件
/// <summary>
///2.7 恢复文件
/// </summary>
/// <param name="backupFileName">备份文件名</param>
/// <param name="targetFileName">要恢复的文件名</param>
/// <param name="backupTargetFileName">要恢复文件再次备份的名称,如果为null,则不再备份恢复文件</param>
/// <returns>操作是否成功</returns>
public static bool RestoreFile(string backupFileName, string targetFileName, string backupTargetFileName)
{
try
{
if (!System.IO.File.Exists(backupFileName))
{
throw new FileNotFoundException(backupFileName + "文件不存在！");
}
if (backupTargetFileName != null)
{
if (!System.IO.File.Exists(targetFileName))
{
throw new FileNotFoundException(targetFileName + "文件不存在！无法备份此文件！");
}
else
{
System.IO.File.Copy(targetFileName, backupTargetFileName, true);
}
}
System.IO.File.Delete(targetFileName);
System.IO.File.Copy(backupFileName, targetFileName);
}
catch (Exception e)
{
throw e;
}
return true;
}
#endregion
#endregion
#region 3、检测指定文件目录是否存在
#region 3.1检测指定目录是否存在
/// <summary>
/// 3.1检测指定目录是否存在
/// </summary>
/// <param name="directoryPath">目录的绝对路径</param>
/// <returns></returns>
public static bool IsExistDirectory(string directoryPath)
{
return Directory.Exists(directoryPath);
}
#endregion
#region 3.2检测指定文件是否存在,如果存在则返回true
/// <summary>
/// 3.2检测指定文件是否存在,如果存在则返回true
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
public static bool IsExistFile(string filePath)
{
return File.Exists(filePath);
}
#endregion
#region 3.3检测指定目录是否为空
/// <summary>
/// 3.3检测指定目录是否为空
/// </summary>
/// <param name="directoryPath">指定目录的绝对路径</param>
public static bool IsEmptyDirectory(string directoryPath)
{
try
{
//判断是否存在文件
string[] fileNames = GetFileNames(directoryPath);
if (fileNames.Length > 0)
{
return false;
}
//判断是否存在文件夹
string[] directoryNames = GetDirectories(directoryPath);
if (directoryNames.Length > 0)
{
return false;
}
return true;
}
catch
{
//这里记录日志
//LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
return true;
}
}
#endregion
#region 3.4检测指定目录中是否存在指定的文件
/// <summary>
/// 检测指定目录中是否存在指定的文件,若要搜索子目录请使用重载方法.
/// </summary>
/// <param name="directoryPath">指定目录的绝对路径</param>
/// <param name="searchPattern">模式字符串，"*"代表0或N个字符，"?"代表1个字符。
/// 范例："Log*.xml"表示搜索所有以Log开头的Xml文件。</param>
public static bool ContainFile(string directoryPath, string searchPattern)
{
try
{
//获取指定的文件列表
string[] fileNames = GetFileNames(directoryPath, searchPattern, false);
//判断指定文件是否存在
if (fileNames.Length == 0)
{
return false;
}
else
{
return true;
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
//LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
}
}
/// <summary>
/// 检测指定目录中是否存在指定的文件
/// </summary>
/// <param name="directoryPath">指定目录的绝对路径</param>
/// <param name="searchPattern">模式字符串，"*"代表0或N个字符，"?"代表1个字符。
/// 范例："Log*.xml"表示搜索所有以Log开头的Xml文件。</param>
/// <param name="isSearchChild">是否搜索子目录</param>
public static bool ContainFile(string directoryPath, string searchPattern, bool isSearchChild)
{
try
{
//获取指定的文件列表
string[] fileNames = GetFileNames(directoryPath, searchPattern, true);
//判断指定文件是否存在
if (fileNames.Length == 0)
{
return false;
}
else
{
return true;
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
//LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
}
}
#endregion
#endregion
#region 4、获取指定目录、文件列表
#region 4.1获取指定目录中的文件列表
/// <summary>
/// 4.1获取指定目录中所有文件列表
/// </summary>
/// <param name="directoryPath">指定目录的绝对路径</param>
public static string[] GetFileNames(string directoryPath)
{
//如果目录不存在，则抛出异常
if (!IsExistDirectory(directoryPath))
{
throw new FileNotFoundException();
}
//获取文件列表
return Directory.GetFiles(directoryPath);
}
#endregion
#region 4.2获取指定目录及子目录中所有文件列表
/// <summary>
/// 4.2获取指定目录及子目录中所有文件列表
/// </summary>
/// <param name="directoryPath">指定目录的绝对路径</param>
/// <param name="searchPattern">模式字符串，"*"代表0或N个字符，"?"代表1个字符。
/// 范例："Log*.xml"表示搜索所有以Log开头的Xml文件。</param>
/// <param name="isSearchChild">是否搜索子目录</param>
public static string[] GetFileNames(string directoryPath, string searchPattern, bool isSearchChild)
{
//如果目录不存在，则抛出异常
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 4.3获取指定目录中的子目录列表
/// <summary>
/// 4.3获取指定目录及子目录中所有子目录列表
/// </summary>
/// <param name="directoryPath">指定目录的绝对路径</param>
/// <param name="searchPattern">模式字符串，"*"代表0或N个字符，"?"代表1个字符。
/// 范例："Log*.xml"表示搜索所有以Log开头的Xml文件。</param>
/// <param name="isSearchChild">是否搜索子目录</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 4.4获取指定目录中所有子目录列表,若要搜索嵌套的子目录列表,请使用重载方法.
/// <summary>
/// 4.4获取指定目录中所有子目录列表,若要搜索嵌套的子目录列表,请使用重载方法.
/// </summary>
/// <param name="directoryPath">指定目录的绝对路径</param>
public static string[] GetDirectories(string directoryPath)
{
try
{
return Directory.GetDirectories(directoryPath);
}
catch (IOException ex)
{
throw ex;
}
}
#endregion
#region 4.5 读取文件列表
/// <summary>
/// 4.5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;
}
#endregion 获取指定目录、文件列表
#endregion
#region 5、创建目录及文件
#region 创建目录
/// <summary>
/// 5.1创建目录
/// </summary>
/// <param name="dir">要创建的目录路径包括目录名</param>
public static void CreateDir(string dir)
{
if (dir.Length == 0) return;
if (!Directory.Exists(HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir))
Directory.CreateDirectory(HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir);
}
/// <summary>
/// 5.2创建一个目录
/// </summary>
/// <param name="directoryPath">目录的绝对路径</param>
public static void CreateDirectory(string directoryPath)
{
//如果目录不存在则创建该目录
if (!IsExistDirectory(directoryPath))
{
Directory.CreateDirectory(directoryPath);
}
}
#endregion
#region 创建文件
/// <summary>
/// 5.3创建文件
/// </summary>
/// <param name="dir">带后缀的文件名</param>
/// <param name="pagestr">文件内容</param>
public static void CreateFile(string dir, string pagestr)
{
dir = dir.Replace("/", "\\");
if (dir.IndexOf("\\") > -1)
CreateDir(dir.Substring(0, dir.LastIndexOf("\\")));
StreamWriter sw = new StreamWriter(HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir, false, Encoding.GetEncoding("GB2312"));
sw.Write(pagestr);
sw.Close();
}
#endregion
#region 创建一个文件
/// <summary>
/// 5.4创建一个文件
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
public static void CreateFile(string filePath)
{
try
{
//如果文件不存在则创建该文件
if (!IsExistFile(filePath))
{
//创建一个FileInfo对象
FileInfo file = new FileInfo(filePath);
//创建文件
FileStream fs = file.Create();
// File.Create(filePath);
//关闭文件流
fs.Close();
}
}
catch (Exception ex)
{
//LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
throw ex;
}
}
/// <summary>
/// 5.5创建一个文件,并将字节流写入文件
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
/// <param name="buffer">二进制流数据</param>
public static void CreateFile(string filePath, byte[] buffer)
{
try
{
//如果文件不存在则创建该文件
if (!IsExistFile(filePath))
{
//创建一个FileInfo对象
FileInfo file = new FileInfo(filePath);
//创建文件
FileStream fs = file.Create();
//写入二进制流
fs.Write(buffer, 0, buffer.Length);
//关闭文件流
fs.Close();
////创建文件
//using (FileStream fs = File.Create(filePath))
//{
// //写入二进制流
// fs.Write(buffer, 0, buffer.Length);
//}
}
}
catch (Exception ex)
{
//LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
throw ex;
}
}
#endregion
#region 检查文件,如果文件不存在则创建
/// <summary>
/// 5.6检查文件,如果文件不存在则创建
/// </summary>
/// <param name="FilePath">路径,包括文件名</param>
public static void ExistsFile(string FilePath)
{
//if(!File.Exists(FilePath))
//File.Create(FilePath);
//以上写法会报错,详细解释请看下文.........
if (!File.Exists(FilePath))
{
FileStream fs = File.Create(FilePath);
fs.Close();
}
}
#endregion
/// <summary>
/// 5.7创建一个零字节临时文件
/// </summary>
/// <returns></returns>
public static string CreateTempZeroByteFile()
{
return Path.GetTempFileName();
}
/// <summary>
/// 5.8创建一个随机文件名，不创建文件本身
/// </summary>
/// <returns></returns>
public static string GetRandomFileName()
{
return Path.GetRandomFileName();
}
#endregion
#region 6、删除文件及目录
#region 删除目录
/// <summary>
/// 6.1删除目录
/// </summary>
/// <param name="dir">要删除的目录路径和名称</param>
public static void DeleteDir(string dir)
{
if (dir.Length == 0) return;
if (Directory.Exists(HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir))
Directory.Delete(HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir);
}
#endregion
#region 删除文件
/// <summary>
/// 6.2删除文件
/// </summary>
/// <param name="file">要删除的文件路径和名称</param>
public static void DeleteFile(string file)
{
if (File.Exists(HttpContext.Current.Request.PhysicalApplicationPath + file))
File.Delete(HttpContext.Current.Request.PhysicalApplicationPath + file);
}
#endregion
#region 删除指定目录
/// <summary>
/// 6.3删除指定目录及其所有子目录
/// </summary>
/// <param name="directoryPath">指定目录的绝对路径</param>
public static void DeleteDirectory(string directoryPath)
{
if (IsExistDirectory(directoryPath))
{
Directory.Delete(directoryPath, true);
}
}
#endregion
#region 删除指定文件夹对应其他文件夹里的文件
/// <summary>
/// 6.4删除指定文件夹对应其他文件夹里的文件
/// </summary>
/// <param name="varFromDirectory">指定文件夹路径</param>
/// <param name="varToDirectory">对应其他文件夹路径</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
#endregion
#region 7、清空目录及文件内容
#region 7.1清空指定目录
/// <summary>
/// 7.1清空指定目录下所有文件及子目录,但该目录依然保存.
/// </summary>
/// <param name="directoryPath">指定目录的绝对路径</param>
public static void ClearDirectory(string directoryPath)
{
if (IsExistDirectory(directoryPath))
{
//删除目录中所有的文件
string[] fileNames = GetFileNames(directoryPath);
for (int i = 0; i < fileNames.Length; i++)
{
DeleteFile(fileNames[i]);
}
//删除目录中所有的子目录
string[] directoryNames = GetDirectories(directoryPath);
for (int i = 0; i < directoryNames.Length; i++)
{
DeleteDirectory(directoryNames[i]);
}
}
}
#endregion
#region 7.2清空文件内容
/// <summary>
/// 7.2清空文件内容
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
public static void ClearFile(string filePath)
{
//删除文件
File.Delete(filePath);
//重新创建该文件
CreateFile(filePath);
}
#endregion
#endregion
#region 8、复制、移动
#region 8.1移动文件(剪贴--粘贴)
/// <summary>
/// 8.1移动文件(剪贴--粘贴)
/// </summary>
/// <param name="dir1">要移动的文件的路径及全名(包括后缀)</param>
/// <param name="dir2">文件移动到新的位置,并指定新的文件名</param>
public static void MoveFile(string dir1, string dir2)
{
dir1 = dir1.Replace("/", "\\");
dir2 = dir2.Replace("/", "\\");
if (File.Exists(HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir1))
File.Move(HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir1, HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir2);
}
#endregion
#region 8.2复制文件
/// <summary>
/// 8.2复制文件
/// </summary>
/// <param name="dir1">要复制的文件的路径已经全名(包括后缀)</param>
/// <param name="dir2">目标位置,并指定新的文件名</param>
public static void CopyFile(string dir1, string dir2)
{
dir1 = dir1.Replace("/", "\\");
dir2 = dir2.Replace("/", "\\");
if (File.Exists(HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir1))
{
File.Copy(HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir1, HttpContext.Current.Request.PhysicalApplicationPath + "\\" + dir2, true);
}
}
#endregion
#region 8.3复制文件夹
/// <summary>
/// 8.3复制文件夹(递归)
/// </summary>
/// <param name="varFromDirectory">源文件夹路径</param>
/// <param name="varToDirectory">目标文件夹路径</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 8.4将文件移动到指定目录
/// <summary>
/// 8.4将文件移动到指定目录
/// </summary>
/// <param name="sourceFilePath">需要移动的源文件的绝对路径</param>
/// <param name="descDirectoryPath">移动到的目录的绝对路径</param>
public static void Move(string sourceFilePath, string descDirectoryPath)
{
//获取源文件的名称
string sourceFileName = GetFileName(sourceFilePath);
if (Directory.Exists(descDirectoryPath))
{
//如果目标中存在同名文件,则删除
if (IsExistFile(descDirectoryPath + "\\" + sourceFileName))
{
DeleteFile(descDirectoryPath + "\\" + sourceFileName);
}
//将文件移动到指定目录
File.Move(sourceFilePath, descDirectoryPath + "\\" + sourceFileName);
}
}
#endregion
#region 8.5复制文件参考方法,页面中引用
/// <summary>
/// 8.5复制文件参考方法,页面中引用
/// </summary>
/// <param name="cDir">新路径</param>
/// <param name="TempId">模板引擎替换编号</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();
// }
//}
}
#endregion
#region 8.6将指定文件夹下面的所有内容copy到目标文件夹下面 果目标文件夹为只读属性就会报错。
/// <summary>
/// 8.6指定文件夹下面的所有内容copy到目标文件夹下面
/// </summary>
/// <param name="srcPath">原始路径</param>
/// <param name="aimPath">目标文件夹</param>
public static void CopyDir(string srcPath, string aimPath)
{
try
{
// 检查目标目录是否以目录分割字符结束如果不是则添加之
if (aimPath[aimPath.Length - 1] != Path.DirectorySeparatorChar)
aimPath += Path.DirectorySeparatorChar;
// 判断目标目录是否存在如果不存在则新建之
if (!Directory.Exists(aimPath))
Directory.CreateDirectory(aimPath);
// 得到源目录的文件列表，该里面是包含文件以及目录路径的一个数组
//如果你指向copy目标文件下面的文件而不包含目录请使用下面的方法
//string[] fileList = Directory.GetFiles(srcPath);
string[] fileList = Directory.GetFileSystemEntries(srcPath);
//遍历所有的文件和目录
foreach (string file in fileList)
{
//先当作目录处理如果存在这个目录就递归Copy该目录下面的文件
if (Directory.Exists(file))
CopyDir(file, aimPath + Path.GetFileName(file));
//否则直接Copy文件
else
File.Copy(file, aimPath + Path.GetFileName(file), true);
}
}
catch (Exception ee)
{
throw new Exception(ee.ToString());
}
}
#endregion
#endregion
#region 9、文件路径
#region 9.1从文件的绝对路径中获取文件名( 包含扩展名 )
/// <summary>
/// 9.1从文件的绝对路径中获取文件名( 包含扩展名 )
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
public static string GetFileName(string filePath)
{
//获取文件的名称
FileInfo fi = new FileInfo(filePath);
return fi.Name;
}
#endregion
#region 9.2从文件的绝对路径中获取文件名( 不包含扩展名 )
/// <summary>
/// 9.2从文件的绝对路径中获取文件名( 不包含扩展名 )
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
public static string GetFileNameNoExtension(string filePath)
{
//获取文件的名称
FileInfo fi = new FileInfo(filePath);
return fi.Name.Split('.')[0];
}
#endregion
#region 9.3从文件的绝对路径中获取扩展名
/// <summary>
/// 9.3从文件的绝对路径中获取扩展名
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
public static string GetExtension(string filePath)
{
//获取文件的名称
FileInfo fi = new FileInfo(filePath);
return fi.Extension;
}
#endregion
#region 9.4取得文件后缀名
/// <summary>
/// 取后缀名
/// </summary>
/// <param name="filename">文件名</param>
/// <returns>.gif|.html格式</returns>
public static string GetPostfixStr(string filename)
{
int start = filename.LastIndexOf(".");
int length = filename.Length;
string postfix = filename.Substring(start, length - start);
return postfix;
}
#endregion
#endregion
#region 10、文件类型其他操作
#region 10.1文件是否存在或无权访问
/// <summary>
/// 10.1文件是否存在或无权访问
/// </summary>
/// <param name="path">相对路径或绝对路径</param>
/// <returns>如果是目录也返回false</returns>
public static bool FileIsExist(string path)
{
return File.Exists(path);
}
#endregion
#region 10.2文件是否只读
/// <summary>
/// 10.2文件是否只读
/// </summary>
/// <param name="fullpath"></param>
/// <returns></returns>
public static bool FileIsReadOnly(string fullpath)
{
FileInfo file = new FileInfo(fullpath);
if ((file.Attributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
return true;
}
else
{
return false;
}
}
#endregion
#region 10.3设置文件是否只读
/// <summary>
/// 10.3设置文件是否只读
/// </summary>
/// <param name="fullpath"></param>
/// <param name="flag">true表示只读，反之</param>
public static void SetFileReadonly(string fullpath, bool flag)
{
FileInfo file = new FileInfo(fullpath);
if (flag)
{
// 添加只读属性
file.Attributes |= FileAttributes.ReadOnly;
}
else
{
// 移除只读属性
file.Attributes &= ~FileAttributes.ReadOnly;
}
}
#endregion
#region 10.4 取文件名
/// <summary>
/// 10.4取文件名
/// </summary>
/// <param name="fullpath"></param>
/// <returns></returns>
public static string GetFileName(string fullpath, bool removeExt)
{
FileInfo fi = new FileInfo(fullpath);
string name = fi.Name;
if (removeExt)
{
name = name.Remove(name.IndexOf('.'));
}
return name;
}
#endregion
#region 10.5 取文件创建时间
/// <summary>
/// 10.5取文件创建时间
/// </summary>
/// <param name="fullpath"></param>
/// <returns></returns>
public static DateTime GetFileCreateTime(string fullpath)
{
FileInfo fi = new FileInfo(fullpath);
return fi.CreationTime;
}
#endregion
#region 10.6 取文件最后存储时间
/// <summary>
///10.6 取文件最后存储时间
/// </summary>
/// <param name="fullpath"></param>
/// <returns></returns>
public static DateTime GetLastWriteTime(string fullpath)
{
FileInfo fi = new FileInfo(fullpath);
return fi.LastWriteTime;
}
#endregion
#region 10.7判断两个文件的哈希值是否一致
/// <summary>
/// 10.7判断两个文件的哈希值是否一致
/// </summary>
/// <param name="fileName1"></param>
/// <param name="fileName2"></param>
/// <returns></returns>
public static bool CompareFilesHash(string fileName1, string fileName2)
{
using (HashAlgorithm hashAlg = HashAlgorithm.Create())
{
using (FileStream fs1 = new FileStream(fileName1, FileMode.Open), fs2 = new FileStream(fileName2, FileMode.Open))
{
byte[] hashBytes1 = hashAlg.ComputeHash(fs1);
byte[] hashBytes2 = hashAlg.ComputeHash(fs2);
// 比较哈希码
return (BitConverter.ToString(hashBytes1) == BitConverter.ToString(hashBytes2));
}
}
}
#endregion
#region 10.8获取文本文件的行数
/// <summary>
/// 10.8获取文本文件的行数
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
public static int GetLineCount(string filePath)
{
//将文本文件的各行读到一个字符串数组中
string[] rows = File.ReadAllLines(filePath);
//返回行数
return rows.Length;
}
#endregion
#region 10.9获取指定文件详细属性
/// <summary>
/// 获取指定文件详细属性
/// </summary>
/// <param name="filePath">文件详细路径</param>
/// <returns></returns>
public static string GetFileAttibe(string filePath)
{
string str = "";
FileInfo objFI = new FileInfo(filePath);
str += "详细路径:" + objFI.FullName
+ "<br>文件名称:" + objFI.Name
+ "<br>文件长度:" + objFI.Length.ToString()
+ "字节<br>创建时间" + objFI.CreationTime.ToString()
+ "<br>最后访问时间:" + objFI.LastAccessTime.ToString()
+ "<br>修改时间:" + objFI.LastWriteTime.ToString()
+ "<br>所在目录:" + objFI.DirectoryName
+ "<br>扩展名:" + objFI.Extension;
return str;
}
#endregion
#endregion
#region 11、获取文件夹大小
/// <summary>
/// 11.1获取文件夹大小
/// </summary>
/// <param name="dirPath">文件夹路径</param>
/// <returns></returns>
public static long GetDirectoryLength(string dirPath)
{
if (!Directory.Exists(dirPath))
return 0;
long len = 0;
DirectoryInfo di = new DirectoryInfo(dirPath);
foreach (FileInfo fi in di.GetFiles())
{
len += fi.Length;
}
DirectoryInfo[] dis = di.GetDirectories();
if (dis.Length > 0)
{
for (int i = 0; i < dis.Length; i++)
{
len += GetDirectoryLength(dis[i].FullName);
}
}
return len;
}
#endregion
}
[Serializable]
public class 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
}
/// <summary>
/// 文件的编码类型
/// 1、获取文件编码 GetEncoding(string filePath)
/// 2、获取文件编码 GetEncoding(string filePath, Encoding defaultEncoding)
/// </summary>
public class FileEncoding
{
#region 获取文件的编码类型
/// <summary>
/// 获取文件编码
/// </summary>
/// <param name="filePath">文件绝对路径</param>
/// <returns></returns>
public static Encoding GetEncoding(string filePath)
{
return GetEncoding(filePath, Encoding.Default);
}
/// <summary>
/// 获取文件编码
/// </summary>
/// <param name="filePath">文件绝对路径</param>
/// <param name="defaultEncoding">找不到则返回这个默认编码</param>
/// <returns></returns>
public static Encoding GetEncoding(string filePath, Encoding defaultEncoding)
{
Encoding targetEncoding = defaultEncoding;
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read, 4))
{
if (fs != null && fs.Length >= 2)
{
long pos = fs.Position;
fs.Position = 0;
int[] buffer = new int[4];
//long x = fs.Seek(0, SeekOrigin.Begin);
//fs.Read(buffer,0,4);
buffer[0] = fs.ReadByte();
buffer[1] = fs.ReadByte();
buffer[2] = fs.ReadByte();
buffer[3] = fs.ReadByte();
fs.Position = pos;
if (buffer[0] == 0xFE && buffer[1] == 0xFF)//UnicodeBe
{
targetEncoding = Encoding.BigEndianUnicode;
}
if (buffer[0] == 0xFF && buffer[1] == 0xFE)//Unicode
{
targetEncoding = Encoding.Unicode;
}
if (buffer[0] == 0xEF && buffer[1] == 0xBB && buffer[2] == 0xBF)//UTF8
{
targetEncoding = Encoding.UTF8;
}
}
}
return targetEncoding;
}
#endregion
}
/// <summary>
/// Stream、byte[] 和 文件之间的转换
/// 1、将流读取到缓冲区中StreamToBytes(Stream stream)
/// 2、将 byte[] 转成 Stream；BytesToStream(byte[] bytes)
/// 3、将 Stream 写入文件 StreamToFile(Stream stream, string fileName)
/// 4、从文件读取 Stream FileToStream(string fileName)
/// 5、将文件读取到缓冲区中 FileToBytes(string filePath)
/// 6、将文件读取到字符串中 FileToString(string filePath, Encoding encoding)
/// 7、从嵌入资源中读取文件内容(e.g: xml) ReadFileFromEmbedded(string fileWholeName)
/// </summary>
public class FileStreamHelp
{
#region Stream、byte[] 和 文件之间的转换
/// <summary>
/// 将流读取到缓冲区中
/// </summary>
/// <param name="stream">原始流</param>
public static byte[] StreamToBytes(Stream stream)
{
try
{
//创建缓冲区
byte[] buffer = new byte[stream.Length];
//读取流
stream.Read(buffer, 0, Convert.ToInt32(stream.Length));
//返回流
return buffer;
}
catch (IOException ex)
{
throw ex;
}
finally
{
//关闭流
stream.Close();
}
}
/// <summary>
/// 将 byte[] 转成 Stream
/// </summary>
public static Stream BytesToStream(byte[] bytes)
{
Stream stream = new MemoryStream(bytes);
return stream;
}
/// <summary>
/// 将 Stream 写入文件
/// </summary>
public static void StreamToFile(Stream stream, string fileName)
{
// 把 Stream 转换成 byte[]
byte[] bytes = new byte[stream.Length];
stream.Read(bytes, 0, bytes.Length);
// 设置当前流的位置为流的开始
stream.Seek(0, SeekOrigin.Begin);
// 把 byte[] 写入文件
FileStream fs = new FileStream(fileName, FileMode.Create);
BinaryWriter bw = new BinaryWriter(fs);
bw.Write(bytes);
bw.Close();
fs.Close();
}
/// <summary>
/// 从文件读取 Stream
/// </summary>
public static Stream FileToStream(string fileName)
{
// 打开文件
FileStream fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);
// 读取文件的 byte[]
byte[] bytes = new byte[fileStream.Length];
fileStream.Read(bytes, 0, bytes.Length);
fileStream.Close();
// 把 byte[] 转换成 Stream
Stream stream = new MemoryStream(bytes);
return stream;
}
/// <summary>
/// 将文件读取到缓冲区中
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
public static byte[] FileToBytes(string filePath)
{
//获取文件的大小
int fileSize = FileHelper.GetFileSize(filePath);
//创建一个临时缓冲区
byte[] buffer = new byte[fileSize];
//创建一个文件流
FileInfo fi = new FileInfo(filePath);
FileStream fs = fi.Open(FileMode.Open);
try
{
//将文件流读入缓冲区
fs.Read(buffer, 0, fileSize);
return buffer;
}
catch (IOException ex)
{
throw ex;
}
finally
{
//关闭文件流
fs.Close();
}
}
/// <summary>
/// 将文件读取到字符串中
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
public static string FileToString(string filePath)
{
return FileToString(filePath, Encoding.Default);
}
/// <summary>
/// 将文件读取到字符串中
/// </summary>
/// <param name="filePath">文件的绝对路径</param>
/// <param name="encoding">字符编码</param>
public static string FileToString(string filePath, Encoding encoding)
{
try
{
//创建流读取器
using (StreamReader reader = new StreamReader(filePath, encoding))
{
//读取流
return reader.ReadToEnd();
}
}
catch (IOException ex)
{
throw ex;
}
}
/// <summary>
/// 从嵌入资源中读取文件内容(e.g: xml).
/// </summary>
/// <param name="fileWholeName">嵌入资源文件名，包括项目的命名空间.</param>
/// <returns>资源中的文件内容.</returns>
public static string ReadFileFromEmbedded(string fileWholeName)
{
string result = string.Empty;
using (TextReader reader = new StreamReader(
Assembly.GetExecutingAssembly().GetManifestResourceStream(fileWholeName)))
{
result = reader.ReadToEnd();
}
return result;
}
#endregion
}
/// <summary>
/// 常用的目录操作辅助类
/// </summary>
public class DirectoryUtil
{
#region 目录可写与空间计算
/// <summary>
///检查目录是否可写，如果可以，返回True，否则False
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static bool IsWriteable(string path)
{
if (!Directory.Exists(path))
{
// if the directory is not exist
try
{
// if you can create a new directory, it's mean you have write right
Directory.CreateDirectory(path);
}
catch
{
return false;
}
}
try
{
string testFileName = ".test." + Guid.NewGuid().ToString().Substring(0, 5);
string testFilePath = Path.Combine(path, testFileName);
File.WriteAllLines(testFilePath, new string[] { "test" });
File.Delete(testFilePath);
}
catch
{
return false;
}
return true;
}
/// <summary>
/// 检查磁盘是否有足够的可用空间
/// </summary>
/// <param name="path"></param>
/// <param name="requiredSpace"></param>
/// <returns></returns>
public static bool IsDiskSpaceEnough(string path, ulong requiredSpace)
{
string root = Path.GetPathRoot(path);
ulong freeSpace = GetFreeSpace(root);
return requiredSpace <= freeSpace;
}
/// <summary>
/// 获取驱动盘符的可用空间大小
/// </summary>
/// <param name="driveName">Direve name</param>
/// <returns>free space (byte)</returns>
public static ulong GetFreeSpace(string driveName)
{
ulong freefreeBytesAvailable = 0;
try
{
DriveInfo drive = new DriveInfo(driveName);
freefreeBytesAvailable = (ulong)drive.AvailableFreeSpace;
}
catch
{
}
return freefreeBytesAvailable;
}
#endregion
#region 目录操作
/// <summary>
/// 取系统目录
/// </summary>
/// <returns></returns>
public static string GetSystemDirectory()
{
return System.Environment.SystemDirectory;
}
/// <summary>
/// 取系统的特别目录
/// </summary>
/// <param name="folderType"></param>
/// <returns></returns>
public static string GetSpeicalFolder(Environment.SpecialFolder folderType)
{
return System.Environment.GetFolderPath(folderType);
}
/// <summary>
/// 返回当前系统的临时目录
/// </summary>
/// <returns></returns>
public static string GetTempPath()
{
return Path.GetTempPath();
}
/// <summary>
/// 取当前目录
/// </summary>
/// <returns></returns>
public static string GetCurrentDirectory()
{
return Directory.GetCurrentDirectory();
}
/// <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;
}
/// <summary>
/// 设当前目录
/// </summary>
/// <param name="path"></param>
public static void SetCurrentDirectory(string path)
{
Directory.SetCurrentDirectory(path);
}
/// <summary>
/// 取路径中不充许存在的字符
/// </summary>
/// <returns></returns>
public static char[] GetInvalidPathChars()
{
return Path.GetInvalidPathChars();
}
/// <summary>
/// 取系统所有的逻辑驱动器
/// </summary>
/// <returns></returns>
public static DriveInfo[] GetAllDrives()
{
return DriveInfo.GetDrives();
}
#endregion
