asp.net 获取指定文件夹下所有子目录及文件(树形)

#region 获取指定文件夹下所有子目录及文件(树形)

///

/// 获取指定文件夹下所有子目录及文件
///

        /// 详细路径
        public static string GetFoldAll(string Path)
        {

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

        }

        ///

/// 获取指定文件夹下所有子目录及文件函数
///

        /// 指定目录
        /// 默认起始值,调用时,一般为0
        /// 用于迭加的传入值,一般为空
        ///
        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;
        }


        ///

/// 获取指定文件夹下所有子目录及文件(下拉框形)
///

        /// 详细路径
        ///下拉列表名称
        ///默认选择模板名称
        public static string GetFoldAll(string Path,string DropName,string tplPath)
        {
            string strDrop = "--请选择详细模板--";
            string str = "";
            DirectoryInfo thisOne = new DirectoryInfo(Path);
            str = ListTreeShow(thisOne, 0, str,tplPath);
            return strDrop+str+"";

        }

        ///

/// 获取指定文件夹下所有子目录及文件函数
///

        /// 指定目录
        /// 默认起始值,调用时,一般为0
        /// 用于迭加的传入值,一般为空
        /// 默认选择模板名称
        ///
        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 += "                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() + "";

                FileInfo[] fileInfo = dirinfo.GetFiles();   //目录下的文件
                foreach (FileInfo fInfo in fileInfo)
                {
                    Rn += "                    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() + "";
                }
                Rn = ListTreeShow(dirinfo, nLevel + 1, Rn, tplPath);

            }
            return Rn;
        }
        #endregion

asp.net 获取指定文件夹下所有子目录及文件(树形)

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