Question

到目前为止，我的代码运行良好。但是不幸的是，我的Source-Directory可以动态更改其结构类型。是否有任何更小巧的代码来递归获取文件和目录并将其复制到新目录中？我必须分开文件和目录吗？

任何建议都会很友善。

谢谢。

public void CopyDirFilesRecurse()
{
    // copy alle files from source (copy if newer or not existing)
    var files = Directory.GetFiles(@"\\cifsShare\source");
    var destDir = @"C:\newdir";
    foreach (var file in files)
    {
        FileInfo fileName = new FileInfo(file);
        FileInfo destFile = new FileInfo(Path.Combine(destDir, fileName.Name));
        if (destFile.Exists)
        {
            if (fileName.LastWriteTime > destFile.LastWriteTime)
            {
                fileName.CopyTo(destFile.FullName, true);
            }
        }
        else
        {
            fileName.CopyTo(destFile.FullName);
        }
    }

    // get all dirs (create if not existing
    //      copy all files from source)
    // if dir exist copy alle files from source (copy if newer or not existing)
    var directories = Directory.GetDirectories(@"\\cifsShare\source");
    foreach (var dir in directories)
    {
        DirectoryInfo dirName = new DirectoryInfo(dir);
        DirectoryInfo destDirName = new DirectoryInfo(Path.Combine(destDir, dirName.Name));
        if (!destDirName.Exists)
        {
            System.IO.Directory.CreateDirectory(destDirName.FullName);
            var filesInDir = Directory.GetFiles(dirName.FullName);
            var destDirPath = destDirName.FullName;
            foreach (var file in filesInDir)
            {
                FileInfo fileName = new FileInfo(file);
                FileInfo destFile = new FileInfo(Path.Combine(destDirPath, fileName.Name));
                if (!destFile.Exists)
                {
                    fileName.CopyTo(destFile.FullName);
                }
            }
        }
        else
        {
            var filesInDir = Directory.GetFiles(dirName.FullName);
            var destDirPath = destDirName.FullName;
            foreach (var file in filesInDir)
            {
                FileInfo fileName = new FileInfo(file);
                FileInfo destFile = new FileInfo(Path.Combine(destDirPath, fileName.Name));
                if (destFile.Exists)
                {
                    if (fileName.LastWriteTime > destFile.LastWriteTime)
                    {
                        fileName.CopyTo(destFile.FullName, true);
                    }
                }
                else
                {
                    fileName.CopyTo(destFile.FullName);
                }
            }
        }
    }
}

编辑：

我想我快到了。我找到了一种从源递归获取所有文件的方法。现在的问题是我的代码是从source-subdirs复制到目标root-dir，而不是新的destination-subdir。

它应该像这样：

C:\source\a.txt
C:\source\subidr1\b.txt
C:\source\subidr2\c.txt

到

C:\dest\a.txt
C:\dest\subidr1\b.txt
C:\dest\subidr2\c.txt

但是去

C:\dest\a.txt
C:\dest\b.txt
C:\dest\c.txt

这是我的代码：

void Test()
        {                
            var sourcePath = @"C:\sourcedir";
            var destinationPath = @"C:\newdir";
            string[] allFilesSoure = Directory.GetFiles(sourcePath, "*.*", SearchOption.AllDirectories);
            foreach (var sourceFile in allFilesSoure)
            {
                FileInfo InfoSourceFile = new FileInfo(sourceFile);
                Debug.WriteLine(InfoSourceFile.FullName);
                var newDestinationPath = Path.Combine(destinationPath, InfoSourceFile.Name);
                string[] destinationFile = Directory.GetFiles(destinationPath, $"{InfoSourceFile.Name}", SearchOption.AllDirectories);
                if (destinationFile.Length == 1)
                {
                    FileInfo InfoDestinationFile = new FileInfo(destinationFile[0]);
                    if (InfoSourceFile.LastWriteTime > InfoDestinationFile.LastWriteTime)
                    {
                        InfoSourceFile.CopyTo(InfoDestinationFile.FullName, true);
                    }
                }
                else
                {
                    InfoSourceFile.CopyTo(newDestinationPath);
                }
            }
        }

Answer 1

要解决，将源子目录复制到目标根目录，可以使用以下命令：

    public static void Copy(string sourceDir, string targetDir)
    {
        foreach (var file in Directory.GetFiles(sourceDir))
        {
            File.Copy(file, Path.Combine(targetDir, Path.GetFileName(file)));
        }
        foreach (var _sourceDir in Directory.GetDirectories(sourceDir))
        {
            var _targetPath = Path.Combine(
                        targetDir,
                        Path.GetFileName(_sourceDir)
                        );

            if (!Directory.Exists(_targetPath))
            {
                Directory.CreateDirectory(_targetPath);
            }
            FileOps.Copy(_sourceDir, _targetPath);
        }
    }

如果文件较新，则以递归方式复制文件和目录（更新例程）

1 个答案: