在.net内核中使用HttpClient下载分块编码文件

using System;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;

public class Program
{
    public static async Task Main()
    {
        string fileUrl = "https://example.com/file";
        string filePath = "downloaded_file.txt";

        HttpClient client = new HttpClient();
        client.DefaultRequestHeaders.TransferEncodingChunked = true;

        HttpResponseMessage response = await client.GetAsync(fileUrl);

        if (response.IsSuccessStatusCode)
        {
            using (Stream responseStream = await response.Content.ReadAsStreamAsync())
            using (FileStream fileStream = new FileStream(filePath, FileMode.Create))
            {
                byte[] buffer = new byte[8192];
                int bytesRead;
                while ((bytesRead = await responseStream.ReadAsync(buffer, 0, buffer.Length)) > 0)
                {
                    await fileStream.WriteAsync(buffer, 0, bytesRead);
                }
            }
        }
        else
        {
            Console.WriteLine("Failed to download the file. Status code: " + response.StatusCode);
        }
    }
}