/// <summary>
/// 获取目录中所有文件路径
/// </summary>
/// <param name="dir">目录</param>
/// <param name="patt">匹配正则(如：*.(txt|log))</param>
/// <returns></returns>
public static List <string> GetFiles(string dir, string patt)
{
string pattern = "(?i)^" + patt.Replace(".", @"\.") + "$";
Regex reg = new Regex(pattern);
List <string> list = new List <string>();
try
{
string[] files = Directory.GetFiles(DNTUtils.GetMapPath(dir));
foreach (string file in files)
{
if (reg.IsMatch(file))
{
list.Add(file);
}
}
}
catch (Exception ex)
{
throw ex;
}
return(list);
}
/// <summary>
/// 获取指定目录下所有文件
/// </summary>
/// <param name="dir">目录</param>
/// <returns></returns>
public static string[] GetFiles(string dir)
{
try
{
return(Directory.GetFiles(DNTUtils.GetMapPath(dir)));
}
catch (DirectoryNotFoundException ex)
{
throw ex;
}
}
/// <summary>
/// 返回文件行的数组
/// </summary>
/// <param name="path">文件路径</param>
/// <param name="encode">编码方式</param>
/// <returns></returns>
public static string[] ReadLines(string path, Encoding encode)
{
try
{
return(File.ReadAllLines(DNTUtils.GetMapPath(path), encode));
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 根据文件路径，或文件夹路径，创建文件夹
/// </summary>
/// <param name="dir"></param>
public static void IfNotExistsCreateDir(string dir)
{
dir = DNTUtils.GetMapPath(dir);
if (dir.Contains("."))
{
dir = dir.Substring(0, dir.LastIndexOf("\\"));
}
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
}
/// <summary>
/// 删除指定文件
/// </summary>
/// <param name="path">路径</param>
/// <returns></returns>
public static bool Delete(string path)
{
try
{
path = DNTUtils.GetMapPath(path);
if (File.Exists(path))
{
File.Delete(path);
}
return(true);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 删除图片
/// </summary>
/// <param name="path"></param>
public static void DeleteImg(string path)
{
if (string.IsNullOrEmpty(path))
{
return;
}
string serverpath = DNTUtils.GetMapPath(path);
FileInfo file = new FileInfo(serverpath);
if (File.Exists(serverpath))
{
File.Delete(serverpath);
}
if (File.Exists(serverpath.Replace("_s", "")))
{
File.Delete(serverpath.Replace("_s", ""));
}
}
/// <summary>
/// 获得当前页面客户端的IP
/// </summary>
/// <returns>当前页面客户端的IP</returns>
public static string GetIP()
{
string result = String.Empty;
result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (string.IsNullOrEmpty(result))
{
result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}
if (string.IsNullOrEmpty(result))
{
result = HttpContext.Current.Request.UserHostAddress;
}
if (string.IsNullOrEmpty(result) || !DNTUtils.IsIP(result))
{
return("127.0.0.1");
}
return(result);
}
/// <summary>
/// 读取文件
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public Stream FileToStream(string fileName)
{
// 打开文件
FileStream fileStream = new FileStream(DNTUtils.GetMapPath(fileName), FileMode.Open, FileAccess.Read, FileShare.Read);
// 读取文件的 byte[]
byte[] bytes = new byte[fileStream.Length];
try
{
fileStream.Read(bytes, 0, bytes.Length);
}
finally
{
fileStream.Close();
}
// 把 byte[] 转换成 Stream
Stream stream = new MemoryStream(bytes);
return(stream);
}
/// <summary>
/// 保存文件
/// </summary>
/// <param name="stream"></param>
/// <param name="fileName"></param>
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(DNTUtils.GetMapPath(fileName), FileMode.Create);
BinaryWriter bw = new BinaryWriter(fs);
try
{
bw.Write(bytes);
}
finally
{
bw.Close();
fs.Close();
}
}
/// <summary>
/// getBinaryFile：返回所给文件路径的字节数组。
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public static byte[] getBinaryFile(string filename)
{
filename = DNTUtils.GetMapPath(filename);
if (File.Exists(filename))
{
try
{
///打开现有文件以进行读取。
FileStream s = File.OpenRead(filename);
return(ConvertStreamToByteBuffer(s));
}
catch
{
return(new byte[0]);
}
}
else
{
return(new byte[0]);
}
}
/// <summary>
/// 向文件追加内容（指定编码）
/// </summary>
/// <param name="path">路径</param>
/// <param name="content">内容</param>
/// <param name="encode">编码</param>
/// <returns></returns>
public static bool Append(string path, string content, Encoding encode)
{
FileStream fs = null;
for (int i = 0; i < 5; i++)
{
try
{
fs = new FileStream(DNTUtils.GetMapPath(path), FileMode.Append, FileAccess.Write, FileShare.ReadWrite);
break;
}
catch
{
System.Threading.Thread.Sleep(50);
}
}
if (fs == null)
{
return(false);
}
StreamWriter sw = null;
try
{
sw = new StreamWriter(fs, encode);
sw.Write(content);
return(true);
}
catch (Exception ex)
{
throw ex;
}
finally
{
sw.Close();
fs.Close();
}
}
/// <summary>
/// 读取文件（指定编码）
/// </summary>
/// <param name="path">文件路径</param>
/// <param name="encode">编码方式</param>
/// <returns></returns>
public static string Read(string path, Encoding encode)
{
FileStream fs = null;
for (int i = 0; i < 5; i++)
{
try
{
fs = new FileStream(DNTUtils.GetMapPath(path), FileMode.Open, FileAccess.Read, FileShare.Read);
break;
}
catch
{
System.Threading.Thread.Sleep(50);
}
}
if (fs == null)
{
return("");
}
StreamReader sr = null;
try
{
sr = new StreamReader(fs, encode);
return(sr.ReadToEnd());
}
catch (Exception ex)
{
throw ex;
}
finally
{
sr.Close();
fs.Close();
}
}
public void getpath()
{
xmlpath = DNTUtils.GetMapPath(ConfigUtil.GetConfig("ErrorLogPath") + "\\" + DateTime.Now.ToString("yyyyMMdd") + ".xml");
}
