使用C#,如何删除目录中的所有文件和文件夹,但仍然保留根目录?
当前回答
唯一应该做的就是将可选递归参数设置为True。
Directory.Delete(“C:\MyDummyDirectory”,True)
感谢.NET。:)
其他回答
我用过
Directory.GetFiles(picturePath).ToList().ForEach(File.Delete);
删除旧图片,我不需要此文件夹中的任何对象
在Windows 7中,如果您刚刚使用Windows资源管理器手动创建了它,则目录结构与以下类似:
C:
\AAA
\BBB
\CCC
\DDD
运行原始问题中建议的代码来清理目录C:\AAA,当尝试删除BBB时,行di.Delete(true)总是失败,并出现IOException“目录不是空的”。这可能是由于Windows资源管理器中的某种延迟/缓存。
以下代码对我来说工作可靠:
static void Main(string[] args)
{
DirectoryInfo di = new DirectoryInfo(@"c:\aaa");
CleanDirectory(di);
}
private static void CleanDirectory(DirectoryInfo di)
{
if (di == null)
return;
foreach (FileSystemInfo fsEntry in di.GetFileSystemInfos())
{
CleanDirectory(fsEntry as DirectoryInfo);
fsEntry.Delete();
}
WaitForDirectoryToBecomeEmpty(di);
}
private static void WaitForDirectoryToBecomeEmpty(DirectoryInfo di)
{
for (int i = 0; i < 5; i++)
{
if (di.GetFileSystemInfos().Length == 0)
return;
Console.WriteLine(di.FullName + i);
Thread.Sleep(50 * i);
}
}
这是我看完所有帖子后使用的工具。确实如此
删除所有可以删除的内容如果某些文件保留在文件夹中,则返回false
它处理的是
只读文件删除延迟锁定的文件
它不使用Directory.Delete,因为该进程因异常而中止。
/// <summary>
/// Attempt to empty the folder. Return false if it fails (locked files...).
/// </summary>
/// <param name="pathName"></param>
/// <returns>true on success</returns>
public static bool EmptyFolder(string pathName)
{
bool errors = false;
DirectoryInfo dir = new DirectoryInfo(pathName);
foreach (FileInfo fi in dir.EnumerateFiles())
{
try
{
fi.IsReadOnly = false;
fi.Delete();
//Wait for the item to disapear (avoid 'dir not empty' error).
while (fi.Exists)
{
System.Threading.Thread.Sleep(10);
fi.Refresh();
}
}
catch (IOException e)
{
Debug.WriteLine(e.Message);
errors = true;
}
}
foreach (DirectoryInfo di in dir.EnumerateDirectories())
{
try
{
EmptyFolder(di.FullName);
di.Delete();
//Wait for the item to disapear (avoid 'dir not empty' error).
while (di.Exists)
{
System.Threading.Thread.Sleep(10);
di.Refresh();
}
}
catch (IOException e)
{
Debug.WriteLine(e.Message);
errors = true;
}
}
return !errors;
}
在我的情况下
var PhotoFile = _context.Records.Where(x => id_or_ids.Contains(x.Id)).Select(x => x.Photo).ToList();
System.IO.DirectoryInfo di = new DirectoryInfo("wwwroot/uploads");
foreach (FileInfo file in di.GetFiles())
{
if (PhotoFile.IndexOf(file.Name) != -1)
{
file.Delete();
}
}
IO.Directory.Delete(HttpContext.Current.Server.MapPath(path), True)
你不需要更多