FileOperateHelper.cs类源码-File命名空间-代码大全-开发者工具网

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你现在查看的是FileOperateHelper.cs类的源码

/// <summary>
/// 类说明：Assistant
/// 编 码 人：苏飞
/// 联系方式：361983679 
/// 更新网站：http://www.sufeinet.com/thread-655-1-1.html
/// </summary>
using System;
using System.Text;
using System.Web;
using System.IO;

namespace DotNet.Utilities
{
    public class FileOperateHelper
    {
        #region 写文件
        protected void Write_Txt(string FileName, string Content)
        {
            Encoding code = Encoding.GetEncoding("gb2312");
            string htmlfilename = HttpContext.Current.Server.MapPath("Precious\\" + FileName + ".txt");　//保存文件的路径
            string str = Content;
            StreamWriter sw = null;
            {
                try
                {
                    sw = new StreamWriter(htmlfilename, false, code);
                    sw.Write(str);
                    sw.Flush();
                }
                catch { }
            }
            sw.Close();
            sw.Dispose();

}
        #endregion

#region 读文件
        protected string Read_Txt(string filename)
        {

Encoding code = Encoding.GetEncoding("gb2312");
            string temp = HttpContext.Current.Server.MapPath("Precious\\" + filename + ".txt");
            string str = "";
            if (File.Exists(temp))
            {
                StreamReader sr = null;
                try
                {
                    sr = new StreamReader(temp, code);
                    str = sr.ReadToEnd(); // 读取文件
                }
                catch { }
                sr.Close();
                sr.Dispose();
            }
            else
            {
                str = "";
            }

return str;
        }
        #endregion

#region 取得文件后缀名
 /****************************************
 * 函数名称：GetPostfixStr
 * 功能说明：取得文件后缀名
 * 参 数：filename:文件名称
 * 调用示列：
 * string filename = "aaa.aspx"; 
 * string s = DotNet.Utilities.FileOperate.GetPostfixStr(filename); 
 *****************************************/
 /// <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

#region 写文件
 /****************************************
 * 函数名称：WriteFile
 * 功能说明：当文件不存时，则创建文件，并追加文件
 * 参 数：Path:文件路径,Strings:文本内容
 * 调用示列：
 * string Path = Server.MapPath("Default2.aspx"); 
 * string Strings = "这是我写的内容啊";
 * DotNet.Utilities.FileOperate.WriteFile(Path,Strings);
 *****************************************/
 /// <summary>
 /// 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 (!System.IO.File.Exists(Path))
            {
                System.IO.FileStream f = System.IO.File.Create(Path);
                f.Close();
                f.Dispose();
            }
            System.IO.StreamWriter f2 = new System.IO.StreamWriter(Path, true, System.Text.Encoding.UTF8);
            f2.WriteLine(Strings);
            f2.Close();
            f2.Dispose();

}
        #endregion

#region 读文件
 /****************************************
 * 函数名称：ReadFile
 * 功能说明：读取文本内容
 * 参 数：Path:文件路径
 * 调用示列：
 * string Path = Server.MapPath("Default2.aspx"); 
 * string s = DotNet.Utilities.FileOperate.ReadFile(Path);
 *****************************************/
 /// <summary>
 /// 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;
        }
        #endregion

#region 追加文件
 /****************************************
 * 函数名称：FileAdd
 * 功能说明：追加文件内容
 * 参 数：Path:文件路径,strings:内容
 * 调用示列：
 * string Path = Server.MapPath("Default2.aspx"); 
 * string Strings = "新追加内容";
 * DotNet.Utilities.FileOperate.FileAdd(Path, Strings);
 *****************************************/
 /// <summary>
 /// 追加文件
 /// </summary>
 /// <param name="Path">文件路径</param>
 /// <param name="strings">内容</param>
 public static void FileAdd(string Path, string strings)
 {
 StreamWriter sw = File.AppendText(Path);
 sw.Write(strings);
 sw.Flush();
 sw.Close();
 sw.Dispose();
 }
 #endregion

#region 拷贝文件
 /****************************************
 * 函数名称：FileCoppy
 * 功能说明：拷贝文件
 * 参 数：OrignFile:原始文件,NewFile:新文件路径
 * 调用示列：
 * string OrignFile = Server.MapPath("Default2.aspx"); 
 * string NewFile = Server.MapPath("Default3.aspx");
 * DotNet.Utilities.FileOperate.FileCoppy(OrignFile, NewFile);
 *****************************************/
 /// <summary>
 /// 拷贝文件
 /// </summary>
 /// <param name="OrignFile">原始文件</param>
 /// <param name="NewFile">新文件路径</param>
 public static void FileCoppy(string OrignFile, string NewFile)
 {
 File.Copy(OrignFile, NewFile, true);
 }

#endregion

#region 删除文件
 /****************************************
 * 函数名称：FileDel
 * 功能说明：删除文件
 * 参 数：Path:文件路径
 * 调用示列：
 * string Path = Server.MapPath("Default3.aspx"); 
 * DotNet.Utilities.FileOperate.FileDel(Path);
 *****************************************/
 /// <summary>
 /// 删除文件
 /// </summary>
 /// <param name="Path">路径</param>
 public static void FileDel(string Path)
 {
 File.Delete(Path);
 }
 #endregion

#region 移动文件
 /****************************************
 * 函数名称：FileMove
 * 功能说明：移动文件
 * 参 数：OrignFile:原始路径,NewFile:新文件路径
 * 调用示列：
 * string OrignFile = Server.MapPath("../说明.txt"); 
 * string NewFile = Server.MapPath("../../说明.txt");
 * DotNet.Utilities.FileOperate.FileMove(OrignFile, NewFile);
 *****************************************/
 /// <summary>
 /// 移动文件
 /// </summary>
 /// <param name="OrignFile">原始路径</param>
 /// <param name="NewFile">新路径</param>
 public static void FileMove(string OrignFile, string NewFile)
 {
 File.Move(OrignFile, NewFile);
 }
 #endregion

#region 在当前目录下创建目录
 /****************************************
 * 函数名称：FolderCreate
 * 功能说明：在当前目录下创建目录
 * 参 数：OrignFolder:当前目录,NewFloder:新目录
 * 调用示列：
 * string OrignFolder = Server.MapPath("test/"); 
 * string NewFloder = "new";
 * DotNet.Utilities.FileOperate.FolderCreate(OrignFolder, NewFloder); 
 *****************************************/
 /// <summary>
 /// 在当前目录下创建目录
 /// </summary>
 /// <param name="OrignFolder">当前目录</param>
 /// <param name="NewFloder">新目录</param>
 public static void FolderCreate(string OrignFolder, string NewFloder)
 {
 Directory.SetCurrentDirectory(OrignFolder);
 Directory.CreateDirectory(NewFloder);
 }

/// <summary>
 /// 创建文件夹
 /// </summary>
 /// <param name="Path"></param>
 public static void FolderCreate(string Path)
 {
 // 判断目标目录是否存在如果不存在则新建之
 if (!Directory.Exists(Path))
 Directory.CreateDirectory(Path);
 }

#endregion

#region 创建目录
        public static void FileCreate(string Path)
        {
            FileInfo CreateFile = new FileInfo(Path); //创建文件 
            if (!CreateFile.Exists)
            {
                FileStream FS = CreateFile.Create();
                FS.Close();
            }
        }
        #endregion

#region 递归删除文件夹目录及文件
 /****************************************
 * 函数名称：DeleteFolder
 * 功能说明：递归删除文件夹目录及文件
 * 参 数：dir:文件夹路径
 * 调用示列：
 * string dir = Server.MapPath("test/"); 
 * DotNet.Utilities.FileOperate.DeleteFolder(dir); 
 *****************************************/
 /// <summary>
 /// 递归删除文件夹目录及文件
 /// </summary>
 /// <param name="dir"></param> 
 /// <returns></returns>
 public static void DeleteFolder(string dir)
 {
 if (Directory.Exists(dir)) //如果存在这个文件夹删除之 
 {
 foreach (string d in Directory.GetFileSystemEntries(dir))
 {
 if (File.Exists(d))
 File.Delete(d); //直接删除其中的文件 
 else
 DeleteFolder(d); //递归删除子文件夹 
 }
 Directory.Delete(dir, true); //删除已空文件夹 
 }
 }

#endregion

#region 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。
 /****************************************
 * 函数名称：CopyDir
 * 功能说明：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。
 * 参 数：srcPath:原始路径,aimPath:目标文件夹
 * 调用示列：
 * string srcPath = Server.MapPath("test/"); 
 * string aimPath = Server.MapPath("test1/");
 * DotNet.Utilities.FileOperate.CopyDir(srcPath,aimPath); 
 *****************************************/
 /// <summary>
 /// 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

#region 获取指定文件夹下所有子目录及文件(树形)
 /****************************************
 * 函数名称：GetFoldAll(string Path)
 * 功能说明：获取指定文件夹下所有子目录及文件(树形)
 * 参 数：Path:详细路径
 * 调用示列：
 * string strDirlist = Server.MapPath("templates"); 
 * this.Literal1.Text = DotNet.Utilities.FileOperate.GetFoldAll(strDirlist); 
 *****************************************/
 /// <summary>
 /// 获取指定文件夹下所有子目录及文件
 /// </summary>
 /// <param name="Path">详细路径</param>
 public static string GetFoldAll(string Path)
 {

string str = "";
            DirectoryInfo thisOne = new DirectoryInfo(Path);
            str = ListTreeShow(thisOne, 0, str);
            return str;

}

/// <summary>
 /// 获取指定文件夹下所有子目录及文件函数
 /// </summary>
 /// <param name="theDir">指定目录</param>
 /// <param name="nLevel">默认起始值,调用时,一般为0</param>
 /// <param name="Rn">用于迭加的传入值,一般为空</param>
 /// <returns></returns>
 public static string ListTreeShow(DirectoryInfo theDir, int nLevel, string Rn)//递归目录 文件
 {
 DirectoryInfo[] subDirectories = theDir.GetDirectories();//获得目录
 foreach (DirectoryInfo dirinfo in subDirectories)
 {

if (nLevel == 0)
 {
 Rn += "├";
 }
 else
 {
 string _s = "";
 for (int i = 1; i <= nLevel; i++)
 {
 _s += "│ ";
 }
 Rn += _s + "├";
 }
 Rn += "" + dirinfo.Name.ToString() + " ";
 FileInfo[] fileInfo = dirinfo.GetFiles(); //目录下的文件
 foreach (FileInfo fInfo in fileInfo)
 {
 if (nLevel == 0)
 {
 Rn += "│ ├";
 }
 else
 {
 string _f = "";
 for (int i = 1; i <= nLevel; i++)
 {
 _f += "│ ";
 }
 Rn += _f + "│ ├";
 }
 Rn += fInfo.Name.ToString() + " ";
 }
 Rn = ListTreeShow(dirinfo, nLevel + 1, Rn);

}
            return Rn;
        }

/****************************************
 * 函数名称：GetFoldAll(string Path)
 * 功能说明：获取指定文件夹下所有子目录及文件(下拉框形)
 * 参 数：Path:详细路径
 * 调用示列：
 * string strDirlist = Server.MapPath("templates"); 
 * this.Literal2.Text = DotNet.Utilities.FileOperate.GetFoldAll(strDirlist,"tpl","");
 *****************************************/
 /// <summary>
 /// 获取指定文件夹下所有子目录及文件(下拉框形)
 /// </summary>
 /// <param name="Path">详细路径</param>
 ///<param name="DropName">下拉列表名称</param>
 ///<param name="tplPath">默认选择模板名称</param>
 public static string GetFoldAll(string Path, string DropName, string tplPath)
 {
 string strDrop = "<select name=\"" + DropName + "\" id=\"" + DropName + "\"><option value=\"\">--请选择详细模板--</option>";
 string str = "";
 DirectoryInfo thisOne = new DirectoryInfo(Path);
 str = ListTreeShow(thisOne, 0, str, tplPath);
 return strDrop + str + "</select>";

}

/// <summary>
 /// 获取指定文件夹下所有子目录及文件函数
 /// </summary>
 /// <param name="theDir">指定目录</param>
 /// <param name="nLevel">默认起始值,调用时,一般为0</param>
 /// <param name="Rn">用于迭加的传入值,一般为空</param>
 /// <param name="tplPath">默认选择模板名称</param>
 /// <returns></returns>
 public static string ListTreeShow(DirectoryInfo theDir, int nLevel, string Rn, string tplPath)//递归目录 文件
 {
 DirectoryInfo[] subDirectories = theDir.GetDirectories();//获得目录

foreach (DirectoryInfo dirinfo in subDirectories)
            {

Rn += "<option value=\"" + dirinfo.Name.ToString() + "\"";
 if (tplPath.ToLower() == dirinfo.Name.ToString().ToLower())
 {
 Rn += " selected ";
 }
 Rn += ">";

if (nLevel == 0)
 {
 Rn += "┣";
 }
 else
 {
 string _s = "";
 for (int i = 1; i <= nLevel; i++)
 {
 _s += "│ ";
 }
 Rn += _s + "┣";
 }
 Rn += "" + dirinfo.Name.ToString() + "</option>";

FileInfo[] fileInfo = dirinfo.GetFiles(); //目录下的文件
 foreach (FileInfo fInfo in fileInfo)
 {
 Rn += "<option value=\"" + dirinfo.Name.ToString() + "/" + fInfo.Name.ToString() + "\"";
 if (tplPath.ToLower() == fInfo.Name.ToString().ToLower())
 {
 Rn += " selected ";
 }
 Rn += ">";

if (nLevel == 0)
 {
 Rn += "│ ├";
 }
 else
 {
 string _f = "";
 for (int i = 1; i <= nLevel; i++)
 {
 _f += "│ ";
 }
 Rn += _f + "│ ├";
 }
 Rn += fInfo.Name.ToString() + "</option>";
 }
 Rn = ListTreeShow(dirinfo, nLevel + 1, Rn, tplPath);

}
            return Rn;
        }
        #endregion

#region 获取文件夹大小
 /****************************************
 * 函数名称：GetDirectoryLength(string dirPath)
 * 功能说明：获取文件夹大小
 * 参 数：dirPath:文件夹详细路径
 * 调用示列：
 * string Path = Server.MapPath("templates"); 
 * Response.Write(DotNet.Utilities.FileOperate.GetDirectoryLength(Path)); 
 *****************************************/
 /// <summary>
 /// 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

#region 获取指定文件详细属性
 /****************************************
 * 函数名称：GetFileAttibe(string filePath)
 * 功能说明：获取指定文件详细属性
 * 参 数：filePath:文件详细路径
 * 调用示列：
 * string file = Server.MapPath("robots.txt"); 
 * Response.Write(DotNet.Utilities.FileOperate.GetFileAttibe(file)); 
 *****************************************/
 /// <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 = "";
 System.IO.FileInfo objFI = new System.IO.FileInfo(filePath);
 str += "详细路径:" + objFI.FullName + " 文件名称:" + objFI.Name + " 文件长度:" + objFI.Length.ToString() + "字节 创建时间" + objFI.CreationTime.ToString() + " 最后访问时间:" + objFI.LastAccessTime.ToString() + " 修改时间:" + objFI.LastWriteTime.ToString() + " 所在目录:" + objFI.DirectoryName + " 扩展名:" + objFI.Extension;
 return str;
 }
 #endregion
 }
}