ThreadPool.QueueUserWorkItem

ThreadPool.QueueUserWorkItem(_ =>
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://www.baidu/tag/模特?page=" + pageNum);
request.Credentials = System.Net.CredentialCache.DefaultCredentials;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
if (response.StatusCode == HttpStatusCode.OK)
{
using (StreamReader sr = new StreamReader(response.GetResponseStream()))
{
List<Uri> links = FetchLinksFromSource(sr.ReadToEnd());

}
}
});