Multi-threaded Application One

1. Image download

1   Public class Program2     {3         Static voidMain (string[] args)4         {5             string[] str = {"Model","Sexy","Belle","stars" };6              for(intURL =0; URL < str. Length; url++)7             {8Thread thread =NewThread (DownLoad);9 Ten thread. Start (Str[url]); One             } A Console.read (); -         } -  the          Public Static voidDownLoad (Objectcategory) -         { -             stringURL =string. Empty; -  +              for(intPurl =9014; Purl >Ten; purl--) -             { +                  for(intPageSize =0; PageSize < -; pagesize++) A                 { at                     Try -                     { -                         if(PageSize = =0) -URL ="http://www.mm8mm8.com/"+ Category +"/"+ Purl +". html"; -                         Else -URL ="http://www.mm8mm8.com/"+ Category +"/"+ Purl +"_"+ PageSize +". html"; in  -                         //Create an HTTP link to                         varRequest =(HttpWebRequest) webrequest.create (URL); +  -Request. Timeout = +*5;//5s Expired the  *                         varResponse =(HttpWebResponse) request. GetResponse (); $ Panax NotoginsengStream stream =Response. GetResponseStream (); -  theStreamReader sr =NewStreamReader (stream); +  A                         stringContent =Sr. ReadToEnd (); the  +                         varList =gethtmlimageurllist (content); -  $WebClient client =NewWebClient (); $  -  -                         varDirectoryName =@"C:\down\"; the  -                         if(!directory.exists (directoryname))Wuyi directory.createdirectory (directoryname); the  -                         varFileName =string. Empty; Wu  -                         if(list. Count = =0) About                         { $Console.WriteLine ("Time:"+ DateTime.Now +"Current URL:"+ URL +"no pictures found"); -                              Break; -                         } -  A                         Try +                         { the  -FileName = category +"_"+ Purl +"_"+ (PageSize +1) +". jpg"; $  the                             varLocalFile = DirectoryName +FileName; the  the                             varImagerequest = (HttpWebRequest) webrequest.create (list[0]); the  -Imagerequest.timeout = +*5;//5s Timeout in  the                             varImageresponse =(HttpWebResponse) imagerequest.getresponse (); the  About                             vars =Imageresponse.getresponsestream (); the  theImage image =Image.fromstream (s); the  + image. Save (localfile); -  the image. Dispose ();Bayi  theConsole.WriteLine ("Time:"+ DateTime.Now +"Photo:"+ FileName +"download saved to disk location:"+localfile); the  -                         } -                         Catch(Exception e) the                         { theConsole.WriteLine ("Time:"+ DateTime.Now +"Current Picture:"+ FileName +"error message:"+e.message); the                             Continue; the                         } -                     } the                     Catch(Exception ex) the                     { theConsole.WriteLine ("Time:"+ DateTime.Now +"Current URL:"+ URL +"error message:"+Ex. Message);94                     } the                 } the             } the         }98  About         /// <summary>  -         ///gets the URL of all the pictures in the HTML. 101         /// </summary> 102         /// <param name= "Shtmltext" >HTML code</param> 103         /// <returns>List of URLs for pictures</returns> 104          Public Staticlist<string> Gethtmlimageurllist (stringshtmltext) the         {106             //define a regular expression to match an IMG tag107Regex regimg =NewRegex (@"]*?\bsrc[\s\t\r\n]*=[\s\t\r\n]*["'"? [\s\t\r\n]* (? [^\s\t\r\n "" ' <>]* ") [^<>]*?/? [\s\t\r\n]*>", regexoptions.ignorecase);108 109             //search for matching strings theMatchCollection matches =regimg.matches (shtmltext);111  thelist<string> surllist =Newlist<string>();113  the             //get a list of matches the             foreach(Match matchinchmatches) theSurllist.add (match. groups["Imgurl"]. Value);117             returnsurllist;118         }119}

View Code

Multi-threaded Application One