/// <summary>
/// 将源路径文件夹复制成为目标路径文件夹。
/// 由 <paramref name="overwrite"/> 参数指定在目标文件夹存在时应该覆盖还是将源文件夹全部删除。
/// </summary>
/// <param name="sourceDirectory">源文件夹。</param>
/// <param name="targetDirectory">目标文件夹。</param>
/// <param name="overwrite">指定当目标路径存在现成现成文件夹时，应该如何覆盖目标文件夹。</param>
/// <returns>包含执行成功和失败的信息，以及中间执行中方法自动决定的一些细节。</returns>
public static IOResult Copy(DirectoryInfo sourceDirectory, DirectoryInfo targetDirectory, DirectoryOverwriteStrategy overwrite = DirectoryOverwriteStrategy.Overwrite)
{
if (sourceDirectory is null)
{
throw new ArgumentNullException(nameof(sourceDirectory));
}
if (targetDirectory is null)
{
throw new ArgumentNullException(nameof(targetDirectory));
}
var logger = new IOResult();
logger.Log($"复制目录，从“{sourceDirectory.FullName}”到“{targetDirectory.FullName}”。");
if (!Directory.Exists(sourceDirectory.FullName))
{
logger.Log($"要复制的源目录“{sourceDirectory.FullName}”不存在。");
return(logger);
}
var deleteOverwriteResult = DeleteIfOverwrite(targetDirectory, overwrite);
logger.Append(deleteOverwriteResult);
try
{
logger.Log("无论是否存在，都创建文件夹。");
Directory.CreateDirectory(targetDirectory.FullName);
foreach (var file in sourceDirectory.EnumerateFiles())
{
var targetFilePath = Path.Combine(targetDirectory.FullName, file.Name);
file.CopyTo(targetFilePath, true);
}
foreach (DirectoryInfo directory in sourceDirectory.EnumerateDirectories())
{
var targetDirectoryPath = Path.Combine(targetDirectory.FullName, directory.Name);
var copyResult = Copy(directory, new DirectoryInfo(targetDirectoryPath));
logger.Append(copyResult);
}
}
catch (Exception ex)
{
logger.Fail(ex);
return(logger);
}
return(logger);
}
/// <summary>
/// 将源路径文件夹复制成为目标路径文件夹。
/// 由 <paramref name="overwrite"/> 参数指定在目标文件夹存在时应该覆盖还是将源文件夹全部删除。
/// </summary>
/// <param name="sourceDirectory">源文件夹。</param>
/// <param name="targetDirectory">目标文件夹。</param>
/// <param name="overwrite">指定当目标路径存在现成现成文件夹时，应该如何覆盖目标文件夹。</param>
/// <returns>包含执行成功和失败的信息，以及中间执行中方法自动决定的一些细节。</returns>
public static IOResult Copy(string sourceDirectory, string targetDirectory, DirectoryOverwriteStrategy overwrite = DirectoryOverwriteStrategy.Overwrite) => Copy(
VerifyDirectoryArgument(sourceDirectory, nameof(sourceDirectory)),
VerifyDirectoryArgument(targetDirectory, nameof(targetDirectory)),
overwrite);
/// <summary>
/// 将源路径文件夹移动成为目标路径文件夹。
/// 由 <paramref name="overwrite"/> 参数指定在目标文件夹存在时应该覆盖还是将源文件夹全部删除。
/// </summary>
/// <param name="sourceDirectory">源文件夹。</param>
/// <param name="targetDirectory">目标文件夹。</param>
/// <param name="overwrite">指定当目标路径存在现成现成文件夹时，应该如何覆盖目标文件夹。</param>
/// <returns>包含执行成功和失败的信息，以及中间执行中方法自动决定的一些细节。</returns>
public static IOResult Move(DirectoryInfo sourceDirectory, DirectoryInfo targetDirectory, DirectoryOverwriteStrategy overwrite = DirectoryOverwriteStrategy.Overwrite)
{
if (sourceDirectory is null)
{
throw new ArgumentNullException(nameof(sourceDirectory));
}
if (targetDirectory is null)
{
throw new ArgumentNullException(nameof(targetDirectory));
}
var logger = new IOResult();
logger.Log($"移动目录，从“{sourceDirectory.FullName}”到“{targetDirectory.FullName}”。");
if (!Directory.Exists(sourceDirectory.FullName))
{
logger.Log($"要移动的源目录“{sourceDirectory.FullName}”不存在。");
return(logger);
}
if (Path.GetPathRoot(sourceDirectory.FullName) == Path.GetPathRoot(targetDirectory.FullName))
{
logger.Log("源目录与目标目录在相同驱动器，直接移动。");
var deleteOverwriteResult = DeleteIfOverwrite(targetDirectory, overwrite);
logger.Append(deleteOverwriteResult);
try
{
Directory.CreateDirectory(Path.GetDirectoryName(targetDirectory.FullName));
Directory.Move(sourceDirectory.FullName, targetDirectory.FullName);
}
catch (Exception ex)
{
logger.Fail(ex);
return(logger);
}
}
else
{
logger.Log("源目录与目标目录不在相同驱动器，先进行复制，再删除源目录。");
var copyResult = Copy(sourceDirectory, targetDirectory);
logger.Append(copyResult);
var deleteResult = Delete(sourceDirectory);
logger.Append(deleteResult);
}
return(logger);
}
