一个关于编码的问题(Visual Studio C#WindowsformApplication)有两个文件夹:(源和目标),我建立1个按钮"Copy"
。
在"Source"
文件夹中有随机文件夹,例如"20190401", "20190402", "20190403", "20180401", "20170401" and "20160401"
。每个这些文件夹都有[10] .txt文件。如果我只想将其中所有带有[3] .txt文件的所有"201904**"
文件夹复制到"Target"
文件夹,该怎么编码?这是我的代码。
代码
** private void button1_Click
{
string FROM_DIR = "C:/Users/5004117928/Desktop/Source";
string TO_DIR = "C:/Users/5004117928/Desktop/Target/";
DirectoryInfo diCopyForm = new DirectoryInfo(FROM_DIR);
DirectoryInfo[] fiDiskfiles = diCopyForm.GetDirectories();
string directname = "201904";
string filename = ".txt";
foreach (DirectoryInfo newfile in fiDiskfiles)
{
try
{
if (newfile.Name == "2019")
{
foreach (DirectoryInfo direc in newfile.GetDirectories())
if (direc.Name.StartsWith(directname))
{
int count = 0;
foreach (FileInfo file in direc.GetFiles())
{
if (file.Name.EndsWith(filename))
{
count++;
}
}
if (count == 3)
{
DirectoryCopy(direc.FullName,Path.Combine(TO_DIR,direc.Name), true);
count = 0;
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
MessageBox.Show("success");
}
private static void DirectoryCopy(string sourceDirName, string destDirName, bool copySubDirs)
{
// Get the subdirectories for the specified directory.
DirectoryInfo dir = new DirectoryInfo(sourceDirName);
if (!dir.Exists)
{
throw new DirectoryNotFoundException(
"Source directory does not exist or could not be found: "
+ sourceDirName);
}
DirectoryInfo[] dirs = dir.GetDirectories();
// If the destination directory doesn't exist, create it.
if (!Directory.Exists(destDirName))
{
Directory.CreateDirectory(destDirName);
}
// Get the files in the directory and copy them to the new location.
FileInfo[] files = dir.GetFiles();
foreach (FileInfo file in files)
{
string temppath = Path.Combine(destDirName, file.Name);
file.CopyTo(temppath, false);
}
// If copying subdirectories, copy them and their contents to new location.
if (copySubDirs)
{
foreach (DirectoryInfo subdir in dirs)
{
string temppath = Path.Combine(destDirName, subdir.Name);
DirectoryCopy(subdir.FullName, temppath, copySubDirs);
}
}
}**
我希望在单击按钮后,
输出将自动复制所有文件夹。名称从"201904**"
文件夹中的[3]个文本文件,以"Source"
开头到"target"
文件夹。
答案 0 :(得分:0)
我认为您可以使用linq直接使用名称搜索目录,并可以如下复制其中的子文件夹/文件。它将为您提供过滤文件夹/文件/跳过/获取n个文件夹/文件的灵活性
string FROM_DIR = "C:/Users/5004117928/Desktop/Source";
string TO_DIR = "C:/Users/5004117928/Desktop/Target/";
string searchText = "201904";
string extension = "txt";
IEnumerable<string> dirs = Directory.EnumerateDirectories(FROM_DIR, "*", SearchOption.AllDirectories)
.Where(dirPath=>Path.GetFileName(dirPath.TrimEnd(Path.DirectorySeparatorChar)).StartsWith(searchText));
foreach (string dir in dirs)
{
string destDirPath = dir.Replace(FROM_DIR, TO_DIR);
if (!Directory.Exists(destDirPath))
Directory.CreateDirectory(destDirPath);
//Copy all the files & Replaces any files with the same name
foreach (string newPath in Directory.EnumerateFiles(dir, string.format("*.{0}",extension),
SearchOption.AllDirectories))// Here you can skip/take n files if u need
File.Copy(newPath, newPath.Replace(FROM_DIR, TO_DIR), true);
}
还对子文件夹和源文件夹中的文件进行了测试。希望对您有所帮助。