C#使用FileInfo和DirectoryInfo类来执行文件和文件夹操作

using System;
using System.IO;
class Program
{
    static void Main()
    {
        string filePath = @"C:\example\sample.txt";
        // 创建 FileInfo 对象
        FileInfo fileInfo = new FileInfo(filePath);
        // 检查文件是否存在
        if (fileInfo.Exists)
        {
            Console.WriteLine($"File name: {fileInfo.Name}");
            Console.WriteLine($"File size: {fileInfo.Length} bytes");
            Console.WriteLine($"Creation time: {fileInfo.CreationTime}");
            Console.WriteLine($"Last access time: {fileInfo.LastAccessTime}");
            Console.WriteLine($"Last write time: {fileInfo.LastWriteTime}");
            // 复制文件到新路径
            string newFilePath = @"C:\newfolder\sample.txt";
            fileInfo.CopyTo(newFilePath, true); // 第二个参数表示是否覆盖目标文件
            // 移动文件到新路径
            string movedFilePath = @"D:\movedfolder\sample.txt";
            fileInfo.MoveTo(movedFilePath);
            // 删除文件
            fileInfo.Delete();
        }
        else
        {
            Console.WriteLine("File does not exist.");
        }
    }
}

using System;
using System.IO;
class Program
{
    static void Main()
    {
        string folderPath = @"C:\example\folder";
        // 创建 DirectoryInfo 对象
        DirectoryInfo directoryInfo = new DirectoryInfo(folderPath);
        // 检查文件夹是否存在
        if (directoryInfo.Exists)
        {
            Console.WriteLine($"Folder name: {directoryInfo.Name}");
            Console.WriteLine($"Creation time: {directoryInfo.CreationTime}");
            Console.WriteLine($"Last access time: {directoryInfo.LastAccessTime}");
            Console.WriteLine($"Last write time: {directoryInfo.LastWriteTime}");
            // 获取文件夹中的文件列表
            FileInfo[] files = directoryInfo.GetFiles();
            foreach (FileInfo file in files)
            {
                Console.WriteLine($"File: {file.Name}, Size: {file.Length} bytes");
            }
            // 获取文件夹中的子文件夹列表
            DirectoryInfo[] subdirectories = directoryInfo.GetDirectories();
            foreach (DirectoryInfo subdirectory in subdirectories)
            {
                Console.WriteLine($"Subfolder: {subdirectory.Name}");
            }
            // 创建子文件夹
            string newSubfolderPath = Path.Combine(folderPath, "newsubfolder");
            DirectoryInfo newSubdirectory = directoryInfo.CreateSubdirectory("newsubfolder");
            // 移动文件夹到新路径
            string movedFolderPath = @"D:\movedfolder";
            directoryInfo.MoveTo(movedFolderPath);
            // 删除文件夹
            directoryInfo.Delete(true); // 第一个参数表示是否删除包括子文件和子文件夹
        }
        else
        {
            Console.WriteLine("Folder does not exist.");
        }
    }
}