CopyUSB/FileCopy.cs

59 lines
1.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CopyUSB;
public class FileCopy
{
public static void Copy(string source,string des)
{
try
{
var sourceDir = new DirectoryInfo(source);
var desDir = new DirectoryInfo(des);
// 确保目标目录存在
if (!desDir.Exists)
{
desDir.Create();
}
//遍历目录
foreach (var subDir in sourceDir.GetDirectories())
{
Copy(subDir.FullName, Path.Combine(desDir.FullName, subDir.Name));
}
foreach (var file in sourceDir.GetFiles())
{
string destinationFile = Path.Combine(desDir.FullName, file.Name);
if (File.Exists(destinationFile))
{
var desFileInfo = new FileInfo(destinationFile);
if (desFileInfo.Length != file.Length)
{
Console.WriteLine($"Renew {file} --> {destinationFile}");
file.CopyTo(destinationFile, true);
}
else
{
Console.WriteLine($"Same {file} --> {destinationFile}");
}
}
else
{
Console.WriteLine($"NewFile {file} --> {destinationFile}");
file.CopyTo(destinationFile, true);
}
}
}
catch (Exception ex)
{
Console.WriteLine($"{source} Copy Error");
/*Console.WriteLine(ex.ToString());*/
}
}
}