c#深拷貝檔案夾樣本

using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Text;using System.Text.RegularExpressions;using System.Threading.Tasks;namespace FileUtility{    public class Program    {        public static void DeepCopy(DirectoryInfo source, DirectoryInfo target, params string[] excludePatterns)        {            if (target.FullName.Contains(source.FullName))                return;            // Go through the Directories and recursively call the DeepCopy Method for each one            foreach (DirectoryInfo dir in source.GetDirectories())            {                var dirName = dir.Name;                var shouldExclude = excludePatterns.Aggregate(false, (current, pattern) => current || Regex.Match(dirName, pattern).Success);                if (!shouldExclude)                    DeepCopy(dir, target.CreateSubdirectory(dir.Name), excludePatterns);            }            // Go ahead and copy each file to the target directory            foreach (FileInfo file in source.GetFiles())            {                var fileName = file.Name;                var shouldExclude = excludePatterns.Aggregate(false,                                                              (current, pattern) =>                                                              current || Regex.Match(fileName, pattern).Success);                if (!shouldExclude)                    file.CopyTo(Path.Combine(target.FullName, fileName));            }        }        static void Main(string[] args)        {            DeepCopy(new DirectoryInfo(@"d:/test/b"), new DirectoryInfo(@"d:/test/a"));            DeepCopy(new DirectoryInfo(@"d:/test/c"), new DirectoryInfo(@"d:/test/c/c.1"));            DeepCopy(new DirectoryInfo(@"d:/test/1/"), new DirectoryInfo(@"d:/test/2/"), new string[] { ".*\\.txt" });            Console.WriteLine("複製成功...");            Console.ReadKey();        }    }}