public static void CrawlDownload(Project project, List <string> urls, List <string> imgUrls)
{
//开始下载图片资源
string imgUrl = project.URLData.ImgUrls.Dequeue();
while (imgUrl != null)
{
ImgResource img = new ImgResource(DownloadService.DownloadImg(imgUrl), imgUrl);
if (img != null)
{
Stopwatch watch = new Stopwatch();
watch.Start();
project.ImgResourcesContainer.RowImages.Add(img);
watch.Stop();
img.DownloadTime = watch.ElapsedMilliseconds;
if (img.Img != null)
{
img.State = "Successful";
}
else
{
img.State = "Fail";
}
img.ResourceNumber = project.ImgResourcesContainer.RowImages.IndexOf(img) + 1;
string format;
ImageService.GetImageFormat(img.Img, out format);
img.PhotoFormat = format;
img.ResourceSize = "待定，测试";
}
imgUrl = project.URLData.ImgUrls.Count > 0 ? project.URLData.ImgUrls.Dequeue() : null;
//此处可添加事件，与前端互动
CrawlerService.DownloadedImag(img.ResourceNumber, img.Url, img.PhotoFormat, img.ResourceSize, img.DownloadTime, img.State);
}
}
public static void ThreadCrawlDownload(Project project)
{
flag = false;
List <Thread> Threads = new List <Thread>();
int count = project.URLData.ImgUrls.Count();
//开始下载图片资源
int finish = 0;
string imgUrl = project.URLData.ImgUrls.Dequeue();
while (finish < count)
{
if (flag)
{
//foreach (Thread item in Threads)
//{
// item.Abort();
//}
while (finish != Threads.Count)
{
}
break;
}
Thread thread = new Thread(() =>
{
ImgResource img = new ImgResource(DownloadService.DownloadImg(imgUrl), imgUrl);
if (img != null)
{
Stopwatch watch = new Stopwatch();
watch.Start();
project.ImgResourcesContainer.RowImages.Add(img);
watch.Stop();
img.DownloadTime = watch.ElapsedMilliseconds;
if (img.Img != null)
{
img.State = "Successful";
}
else
{
img.State = "Fail";
}
img.ResourceNumber = project.ImgResourcesContainer.RowImages.IndexOf(img) + 1;
string format;
ImageService.GetImageFormat(img.Img, out format);
img.PhotoFormat = format;
if (img.Img != null)
{
img.ResourceSize = img.Img.Width + "*" + img.Img.Height;
}
else
{
img.ResourceSize = "无";
}
imgUrl = project.URLData.ImgUrls.Count > 0 ? project.URLData.ImgUrls.Dequeue() : null;
//此处可添加事件，与前端互动
CrawlerService.DownloadedImag(img.ResourceNumber, img.Url, img.PhotoFormat, img.ResourceSize, img.DownloadTime, img.State);
CrawlerService.ImgPreview();
finish++;
}
});
Threads.Add(thread);
thread.Start();
Thread.Sleep(200);
}
}
