public DownloadThread(string uilpath, string searchtxt, ImageDownload imageDownload)
{
if (uilpath != null)
{
this.uilpath = uilpath;
this.referer = searchtxt;
if (!uilpath.StartsWith("http://", StringComparison.OrdinalIgnoreCase))
{
this.uilpath = Utils.getHost(this.referer) + uilpath;
}
this.searchtxt = new Uri(searchtxt).ToString();
this.imageDownload = imageDownload;
Thread th = new Thread(new ThreadStart(duwnload));
th.Start();
}
else
{
isStoped = true;
}
}
private void downloadImage()
{
ImageDownload imageDownload = new ImageDownload(urlset, searchtxt);
imageDownload.startThread();
dcmtDown.succCount += imageDownload.getSuccessCount();
isfinish = true;
}
/// <summary>
/// 解析document 下载图片
/// </summary>
/// <param name="document"></param>
private void downloadImage(object document)
{
//存放解析图片的url路径集合
HashSet<string> urlset = new HashSet<string>();
//判断document是否是HtmlDocument对象
HtmlDocument htducument = document as HtmlDocument;
if (htducument != null)
{
mshtml.IHTMLImgElement imageElement = null;
try
{
//循环HtmlDocument对象的图片集合数组
foreach (HtmlElement image in htducument.Images)
{
imageElement = (mshtml.IHTMLImgElement)image.DomElement;
urlset.Add(imageElement.src);
}
}
catch (Exception ex) { }
}
else
{
//如果document不是HtmlDocument对象则以文本方式解析
urlset = Utils.GetBaiduImageUrlList((string)document);
}
//加锁处理allUrlset
lock (allUrlset)
{
urlset.ExceptWith(allUrlset);
if (urlset.Count != 0)
{
allUrlset.UnionWith(urlset);
}
}
if (urlset.Count != 0)
{
ImageDownload imageDownload = new ImageDownload(urlset, searchtxt);
imageDownload.startThread();
succCount += imageDownload.getSuccessCount();
}
}