【.NET】合并文件夹

来源：互联网发布：linux vi命令详解编辑：程序博客网时间：2024/06/05 11:58
背景

需要按照一定规则合并大量文件夹
这些文件中是按照命名分类的，比如说以A，B，C
在这些类别的文件夹存在一定顺序，比如1-12,13-55，需要把连续的文件夹合并
功能说明

按照规则合并文件夹
图片说明

合并前
这里写图片描述
合并后
这里写图片描述
代码

class Program{    static void Main(string[] args)    {        try        {            //获得根目录路径            Console.WriteLine("请输入根文件夹的路径");            string path = Console.ReadLine();            //实例化出文件夹处理对象            DirectoryInfo dir = new DirectoryInfo(path);//根据路径实例化出该根文件夹对象            DirectoryInfo[] folders = dir.GetDirectories();//获得根文件夹下的子文件夹，不包括文件            //获得文件夹种类            List<string> type = GetAllTypeFolders(folders);            //在各类文件夹中依次遍历，进行相应的合并            foreach (string item in type)            {                List<string> subfolders = GetFolderNames(folders, item);//获得所有该类文件夹                List<string> processed = ProcessFolders(path, subfolders, item);//合并该类文件夹                while (processed != null)//直到处理完所有文件夹                {                    subfolders = processed;                    processed = ProcessFolders(path, subfolders, item);                }            }            Console.WriteLine("已经成功合并该目录下的所有文件夹！");            Console.ReadKey();        }        catch (Exception e)        {            Console.WriteLine(e.StackTrace);        }        Console.ReadKey();    }    /// <summary>    /// 筛选出所有文件夹的种类    /// </summary>    public static List<string> GetAllTypeFolders(DirectoryInfo[] folders)    {        List<string> type = new List<string>();        for (int i = 0; i < folders.Length; i++)        {            string[] str1 = folders[i].ToString().Split('_');            string firstword = str1[0];            bool flag = false;            if (type.Count == 0) { flag = false; }            foreach (string item in type)            {                if (item == firstword) { flag = true; }            }            if (flag == false)            {                type.Add(firstword);            }        }        return type;    }    /// <summary>    /// 获取文件夹中包含特殊字段的文件夹    /// </summary>    public static List<string> GetFolderNames(DirectoryInfo[] folders, string folder_type)    {        List<string> folder_name = new List<string>();        for (int i = 0; i < folders.Length; i++)        {            if (folders[i].Name.Contains(folder_type))            {                folder_name.Add(folders[i].Name.ToString());            }        }        return folder_name;    }    /// <summary>    /// 处理文件夹    /// </summary>    public static List<string> ProcessFolders(string root_path, List<string> folders, string folder_type)    {        List<string> processed_folders = new List<string>();        List<string> serial_folders=new List<string>();        List<string> rest_folders=new List<string>();        //将序列号存到数组中        List<string> order = new List<string>();        foreach (var item_name in folders)        {            string[] names = item_name.Split('_');            order.Add(names[1]);            order.Add(names[2]);        }        bool serial_flag = true;        for (int i = 1; i < order.Count -1; i = i + 2)//判断偶数位确定是否连续        {            if (int.Parse(order[i]) + 1 != int.Parse(order[i + 1]))            {                serial_flag = false;                for (int j = 0; j < i/2+1; j++)                {                    serial_folders.Add(folders[j]);                }                MergeFolders(root_path, serial_folders, folder_type);                for (int k = i/2+1; k < folders.Count; k++)                {                    rest_folders.Add(folders[k]);                }            }        }        if (serial_flag==true)        {            MergeFolders(root_path, folders, folder_type);            processed_folders = null;        }        else        {            processed_folders= rest_folders;        }        return processed_folders;    }    /// <summary>    /// 合并连续文件夹    /// </summary>    public static bool MergeFolders(string root_path, List<string> folders,string folder_type)    {        bool flag = false;        try        {            //将序列号存到数组中            List<string> order = new List<string>();            foreach (var item_name in folders)            {                string[] names = item_name.Split('_');                order.Add(names[1]);                order.Add(names[2]);            }            //创建文件夹            string start = order[0].ToString();            string end = order[order.Count - 1].ToString();            string newfoler = folder_type + "_" + start + "_" + end;            DirectoryInfo dir = new DirectoryInfo(root_path);            dir.CreateSubdirectory(newfoler);            //移动文件            foreach (string item_folder in folders)            {                DirectoryInfo sub_dir = new DirectoryInfo(root_path + "\\" + item_folder);                FileInfo[] file = sub_dir.GetFiles();                for (int i = 0; i < file.Length; i++)                {                    File.Move(root_path + "\\" + item_folder + "\\" + file[i], root_path + "\\" + newfoler + "\\" + file[i]);                }                if (item_folder != newfoler)//避免文件夹为1误删                {                    Directory.Delete(root_path + "\\" + item_folder, true);//删除原文件夹                }            }            flag = true;        }        catch (Exception e)        {            Console.WriteLine(e.StackTrace);        }        return flag;    }}
小结

对基本功是一个很好的锻炼
需要有一点算法的思维
要有清晰的逻辑思维
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