static void Main(string[] args)
{
var mtd = new MultiThreadDownloader("https://git.imweb.io/ldqk0/imgbed/raw/master/2020/01/05/sdcgssa1wlxc.jpg", Environment.GetEnvironmentVariable("temp"), "Y:\\1.jpg", 8);
mtd.Configure(req =>
{
req.Referer = "https://masuit.com";
req.Headers.Add("Origin", "https://baidu.com");
});
mtd.TotalProgressChanged += (sender, e) =>
{
var downloader = sender as MultiThreadDownloader;
Console.WriteLine("下载进度：" + downloader.TotalProgress + "%");
Console.WriteLine("下载速度：" + downloader.TotalSpeedInBytes / 1024 / 1024 + "MBps");
};
mtd.FileMergeProgressChanged += (sender, e) =>
{
Console.WriteLine("下载完成");
};
mtd.Start();//开始下载
Console.ReadKey();
}
/// <summary>
/// 下载文件
/// </summary>
/// <param name="downloading"></param>
/// <param name="urls"></param>
/// <param name="path"></param>
/// <param name="localFileName"></param>
/// <returns></returns>
private bool DownloadByBuiltin(DownloadingItem downloading, List <string> urls, string path, string localFileName)
{
// path已斜杠结尾，去掉斜杠
path = path.TrimEnd('/').TrimEnd('\\');
foreach (var url in urls)
{
// 创建下载器
var mtd = new MultiThreadDownloader(url,
Environment.GetEnvironmentVariable("temp"),
Path.Combine(path, localFileName),
SettingsManager.GetInstance().GetSplit());
// 配置网络请求
mtd.Configure(req =>
{
req.CookieContainer = LoginHelper.GetLoginInfoCookies();
req.UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Safari/537.36";
req.Referer = "https://www.bilibili.com";
req.Headers.Add("Origin", "https://www.bilibili.com");
if (SettingsManager.GetInstance().IsHttpProxy() == AllowStatus.YES)
{
req.Proxy = new WebProxy(SettingsManager.GetInstance().GetHttpProxy(),
SettingsManager.GetInstance().GetHttpProxyListenPort());
}
});
// 下载进度回调
mtd.TotalProgressChanged += (sender, e) =>
{
try
{
// 状态更新
var downloader = sender as MultiThreadDownloader;
// 下载进度百分比
float percent = downloader.TotalProgress;
// 根据进度判断本次是否需要更新UI
if (Math.Abs(percent - downloading.Progress) < 0.01)
{
return;
}
if (Math.Abs(percent - downloading.Progress) > 5)
{
return;
}
// 下载进度
downloading.Progress = percent;
// 下载大小
downloading.DownloadingFileSize = Format.FormatFileSize(downloader.TotalBytesReceived) + "/" + Format.FormatFileSize(downloader.Size);
// 下载速度
long speed = (long)downloader.TotalSpeedInBytes;
// 下载速度显示
downloading.SpeedDisplay = Format.FormatSpeed(speed);
// 最大下载速度
if (downloading.Downloading.MaxSpeed < speed)
{
downloading.Downloading.MaxSpeed = speed;
}
}
catch (InvalidOperationException ex)
{
Core.Utils.Debugging.Console.PrintLine($"{Tag}.DownloadByBuiltin()发生InvalidOperationException异常: {0}", ex);
LogManager.Error($"{Tag}.DownloadByBuiltin()", ex);
}
catch (Exception ex)
{
Core.Utils.Debugging.Console.PrintLine($"{Tag}.DownloadByBuiltin()发生异常: {0}", ex);
LogManager.Error($"{Tag}.DownloadByBuiltin()", ex);
}
};
// 文件合并完成回调
bool isComplete = false;
mtd.FileMergedComplete += (sender, e) =>
{
// 跳出循环
if (File.Exists(Path.Combine(path, localFileName)))
{
isComplete = true;
}
};
// 开始下载
mtd.StartAsync();
// 阻塞当前任务，监听暂停事件
while (!isComplete)
{
cancellationToken.ThrowIfCancellationRequested();
switch (downloading.Downloading.DownloadStatus)
{
case DownloadStatus.PAUSE:
// 暂停下载
mtd.Pause();
// 通知UI，并阻塞当前线程
Pause(downloading);
break;
case DownloadStatus.DOWNLOADING:
break;
}
Thread.Sleep(100);
}
return(isComplete);
}
return(false);
}
