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icetech233/Program.cs

Created February 10, 2019 19:53
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  1. icetech233 created this gist Feb 10, 2019.
    92 changes: 92 additions & 0 deletions Program.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,92 @@
    using System;
    using System.Linq;
    using System.Net.Http;
    using System.IO;
    using System.Threading.Tasks;

    namespace PixivDL
    {
    public class Program
    {
    public static void Main(string[] args)
    {
    //C:\Users\dsg\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
    //string startup = Environment.GetFolderPath(Environment.SpecialFolder.Startup);
    //Console.WriteLine(Environment.GetFolderPath(Environment.SpecialFolder.StartMenu));
    //C:\Users\dsg\AppData\Roaming
    Console.WriteLine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData));

    var ain = Task.Run<int>(DLPic);

    Console.WriteLine("await!!");
    ain.Wait();
    Console.WriteLine(ain.Result);
    Console.WriteLine();
    }

    private async static Task<int> DLPic()
    {
    byte[] temp;

    HttpClient hc = new HttpClient() { Timeout = TimeSpan.FromSeconds(20) };

    string picdl = "http://hnd-jp-ping.vultr.com/vultr.com.100MB.bin";

    //hc.DefaultRequestHeaders.Referrer = new Uri("https://www.pixiv.net");
    //string picdl = "https://i.pximg.net/img-original/img/2017/06/21/00/00/01/63485483_p0.jpg";

    var resop =await hc.GetAsync(picdl);
    //var resop = hc.SendAsync(new HttpRequestMessage(HttpMethod.Head,picdl)).Result;
    long? maxlen = resop.Content.Headers.ContentLength;

    string filename = picdl.Split('/').Last();

    Stream task1 =await resop.Content.ReadAsStreamAsync();
    if (File.Exists(filename))
    {
    File.Delete(filename);
    }

    FileStream fs = new FileStream(filename, FileMode.CreateNew);
    BinaryReader br = new BinaryReader(task1);

    while (true)
    {
    //一开始 byte[] temp;
    temp = br.ReadBytes(2048);
    fs.Write(temp, 0, temp.Length);
    fs.Flush();
    Console.WriteLine(fs.Length);
    if (maxlen == fs.Length)
    {
    // 可以刷新 进度条UI
    break;
    }
    }
    Console.WriteLine("Successful1");
    br.Dispose();
    fs.Dispose();

    return 0;
    }

    /*
    * using System.Linq;
    * using System.Net.Http;
    * using System.IO;
    * using System.Threading.Tasks;
    */
    private static int DLPic2()
    {
    HttpClient hc = new HttpClient() { Timeout = TimeSpan.FromSeconds(5) };
    hc.DefaultRequestHeaders.Referrer = new Uri("https://www.pixiv.net");
    string picdl = "https://i.pximg.net/img-original/img/2017/06/21/00/00/01/63485483_p0.jpg";
    Task<byte[]> task1 = hc.GetByteArrayAsync(picdl);
    string filename = picdl.Split('/').Last();
    task1.Wait();
    File.WriteAllBytesAsync(filename, task1.Result);
    Console.WriteLine("Successful2");
    return 0;
    }
    }
    }