C# 批量复制文件到新路径并修改文件名

 1 static void Main(string[] args)
 2         {
 3             Console.WriteLine("将去除前缀字符：[normal-]和后缀");
 4         
 5             Console.WriteLine("请输入需要新文件存放夹路径:");
 6             string newpath = Console.ReadLine();
 7         chek:
 8             Console.WriteLine("请输入需要修改文件夹路径：");
 9             string oldpath = Console.ReadLine();
10 
11             if (oldpath != null)
12             {
13                 if (!System.IO.Directory.Exists(oldpath))
14                 {
15                     Console.WriteLine("文件夹不存在！");
16                     goto chek;
17                 }
18                 var paths = oldpath.Split('\\');
19                 var time = Convert.ToDateTime(paths[paths.Length - 1]);
20                 var pathtime = newpath + "\\" + time.Year.ToString() + "\\" + time.Month.ToString() + "\\" + time.Day.ToString();
21 
22                 if (!System.IO.Directory.Exists(pathtime))
23                 {
24                     System.IO.Directory.CreateDirectory(pathtime);
25                 }
26 
27                 DirectoryInfo root = new DirectoryInfo(oldpath);
28                 FileInfo[] files = root.GetFiles();
29                 foreach (var item in files)
30                 {
31                     //删除后缀
32                     var name = item.Name.Replace(item.Extension, "");
33                     //删除指定前缀
34                     var newname = name.Replace("normal-", "");
35                     Console.WriteLine(item.Name + ">>" + newname);
36                     //复制并修改文件名
37                     //需要注意文件重复会报错
38                     newpath = pathtime + "\\" + newname;
39                     if (!File.Exists(newpath))
40                     {
41                         File.Copy(item.FullName, newpath);
42                     }
43                     else
44                     {
45                         Console.WriteLine(newname + "该文件重复！");
46                     }
47                 }
48 
49             }
50 
51             goto chek;
52         }