C#从流中压缩和压缩csv

using System;
using System.IO;
using System.IO.Compression;

public class Program
{
    public static void Main()
    {
        string csvFilePath = "path/to/csv/file.csv";
        string compressedFilePath = "path/to/compressed/file.gz";

        using (FileStream csvFile = File.OpenRead(csvFilePath))
        {
            using (FileStream compressedFile = File.Create(compressedFilePath))
            {
                using (GZipStream compressionStream = new GZipStream(compressedFile, CompressionMode.Compress))
                {
                    csvFile.CopyTo(compressionStream);
                }
            }
        }

        Console.WriteLine("CSV file compressed successfully.");
    }
}

using System;
using System.IO;
using System.IO.Compression;

public class Program
{
    public static void Main()
    {
        string compressedFilePath = "path/to/compressed/file.gz";
        string decompressedFilePath = "path/to/decompressed/file.csv";

        using (FileStream compressedFile = File.OpenRead(compressedFilePath))
        {
            using (FileStream decompressedFile = File.Create(decompressedFilePath))
            {
                using (GZipStream decompressionStream = new GZipStream(compressedFile, CompressionMode.Decompress))
                {
                    decompressionStream.CopyTo(decompressedFile);
                }
            }
        }

        Console.WriteLine("CSV file decompressed successfully.");
    }
}