C#获取文件、文件夹和驱动器的信息示例详解

FileInfo fileInfo = new FileInfo(@"C:\Your\File\Path.txt");

Console.WriteLine("File Name: " + fileInfo.Name);
Console.WriteLine("File Full Path: " + fileInfo.FullName);
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);

DirectoryInfo directoryInfo = new DirectoryInfo(@"C:\Your\Directory\Path");

Console.WriteLine("Directory Name: " + directoryInfo.Name);
Console.WriteLine("Directory Full Path: " + directoryInfo.FullName);
Console.WriteLine("Creation Time: " + directoryInfo.CreationTime);
Console.WriteLine("Last Access Time: " + directoryInfo.LastAccessTime);
Console.WriteLine("Last Write Time: " + directoryInfo.LastWriteTime);

// 获取目录中的文件
FileInfo[] files = directoryInfo.GetFiles();
Console.WriteLine("Files:");
foreach (FileInfo file in files)
{
    Console.WriteLine(" - " + file.Name);
}

// 获取目录中的子目录
DirectoryInfo[] subDirectories = directoryInfo.GetDirectories();
Console.WriteLine("Subdirectories:");
foreach (DirectoryInfo dir in subDirectories)
{
    Console.WriteLine(" - " + dir.Name);
}

DriveInfo driveInfo = new DriveInfo(@"C:\");

Console.WriteLine("Drive Name: " + driveInfo.Name);
Console.WriteLine("Total Size: " + driveInfo.TotalSize + " bytes");
Console.WriteLine("Available Free Space: " + driveInfo.AvailableFreeSpace + " bytes");
Console.WriteLine("Drive Type: " + driveInfo.DriveType);

using System;
using System.IO;

class Program
{
    static void Main()
    {
        Console.WriteLine("Enter the path of a file, directory, or drive:");
        string path = Console.ReadLine();

        if (File.Exists(path))
        {
            DisplayFileInfo(new FileInfo(path));
        }
        else if (Directory.Exists(path))
        {
            DisplayDirectoryInfo(new DirectoryInfo(path));
        }
        else if (DriveInfo.GetDrives().Any(d => d.Name == path))
        {
            DisplayDriveInfo(new DriveInfo(path));
        }
        else
         {
            Console.WriteLine("The specified path does not exist.");
        }
    }

    static void DisplayFileInfo(FileInfo fileInfo)
    {
        Console.WriteLine("File Information:");
        Console.WriteLine(" - Name: " + fileInfo.Name);
        Console.WriteLine(" - Full Path: " + fileInfo.FullName);
        Console.WriteLine(" - Size: " + fileInfo.Length + " bytes");
        Console.WriteLine(" - Creation Time: " + fileInfo.CreationTime);
        Console.WriteLine(" - Last Access Time: " + fileInfo.LastAccessTime);
        Console.WriteLine(" - Last Write Time: " + fileInfo.LastWriteTime);
    }

    static void DisplayDirectoryInfo(DirectoryInfo directoryInfo)
    {
        Console.WriteLine("Directory Information:");
        Console.WriteLine(" - Name: " + directoryInfo.Name);
        Console.WriteLine(" - Full Path: " + directoryInfo.FullName);
        Console.WriteLine(" - Creation Time: " + directoryInfo.CreationTime);
        Console.WriteLine(" - Last Access Time: " + directoryInfo.LastAccessTime);
        Console.WriteLine(" - Last Write Time: " + directoryInfo.LastWriteTime);

        Console.WriteLine(" - Files:");
        FileInfo[] files = directoryInfo.GetFiles();
        foreach (FileInfo file in files)
        {
            Console.WriteLine("   - " + file.Name);
        }

        Console.WriteLine(" - Subdirectories:");
        DirectoryInfo[] subDirectories = directoryInfo.GetDirectories();
        foreach (DirectoryInfo dir in subDirectories)
        {
            Console.WriteLine("   - " + dir.Name);
        }
    }

    static void DisplayDriveInfo(DriveInfo driveInfo)
    {
        Console.WriteLine("Drive Information:");
        Console.WriteLine(" - Name: " + driveInfo.Name);
        Console.WriteLine(" - Total Size: " + driveInfo.TotalSize + " bytes");
        Console.WriteLine(" - Available Free Space: " + driveInfo.AvailableFreeSpace + " bytes");
        Console.WriteLine(" - Drive Type: " + driveInfo.DriveType);
    }
}

try
{
    // 调用 DisplayFileInfo, DisplayDirectoryInfo 或 DisplayDriveInfo 方法
}
catch (UnauthorizedAccessException)
{
    Console.WriteLine("Access denied to the specified path.");
}
catch (FileNotFoundException)
{
    Console.WriteLine("The file was not found.");
}
catch (DirectoryNotFoundException)
{
    Console.WriteLine("The directory was not found.");
}
catch (DriveNotFoundException)
{
    Console.WriteLine("The drive was not found.");
}
catch (Exception e)
{
    Console.WriteLine($"An unexpected error occurred: {e.Message}");
}