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Asp.Net文件和文件夹操作大全

2024-10-10 10:31:02   218人阅读

 
 

/// <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/"); 
         *           EC.FileObj.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/");
         *           EC.FileObj.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 = EC.FileObj.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 += "│&nbsp;";
                    } 
                    Rn += _s + "├";
                } 
                Rn += "<b>" + dirinfo.Name.ToString() + "</b><br />";
                FileInfo[] fileInfo = dirinfo.GetFiles();   //目录下的文件 
                foreach (FileInfo fInfo in fileInfo) 
                { 
                    if (nLevel == 0) 
                    { 
                        Rn += "│&nbsp;├";
                    } 
                    else 
                    { 
                        string _f = "";
                        for (int i = 1; i <= nLevel; i++)
                        { 
                            _f += "│&nbsp;";
                        } 
                        Rn += _f + "│&nbsp;├";
                    } 
                    Rn += fInfo.Name.ToString() + " <br />";
                } 
                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 = EC.FileObj.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=http://www.mamicode.com/"\">--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=http://www.mamicode.com/"" + 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 += "│&nbsp;";
                    } 
                    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=http://www.mamicode.com/"" + dirinfo.Name.ToString()+"/"+fInfo.Name.ToString() + "\"";
                    if (tplPath.ToLower() == fInfo.Name.ToString().ToLower()) 
                    { 
                        Rn += " selected ";
                    } 
                    Rn += ">";

                    if (nLevel == 0)
                    {
                        Rn += "│&nbsp;├";
                    } 
                    else 
                    { 
                        string _f = "";
                        for (int i = 1; i <= nLevel; i++)
                        { 
                            _f += "│&nbsp;";
                        } 
                        Rn += _f + "│&nbsp;├";
                    } 
                    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(EC.FileObj.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(EC.FileObj.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 + "<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 
    } 
}

  

Asp.Net文件和文件夹操作大全


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