1 public static void HttpGetAction(string url,string path,int name)
 2         {
 3             Stopwatch sw = new Stopwatch();
 4             sw.Start();
 5             Console.WriteLine("抓取地址:" + url);
 6             string result = string.Empty;
 7             HttpWebRequest webRequest = WebRequest.CreateHttp(url);
 8             webRequest.Method = "GET";
 9             var response= webRequest.GetResponse();
10             using (StreamReader reader = new StreamReader((response as HttpWebResponse).GetResponseStream(), Encoding.UTF8))
11             {
12                 result = reader.ReadToEnd();
13                 reader.Close();
14             }
15             if (string.IsNullOrEmpty(result))
16             {
17                 Console.WriteLine("請(qǐng)求地址錯(cuò)誤");
18                 Console.ReadKey();
19                 return;
20             }
21             //提取img標(biāo)簽src地址
22             Regex regImg = new Regex(@"<img\b[^<>]*?\bsrc[\s\t\r\n]*=[\s\t\r\n]*[""']?[\s\t\r\n]*(?<imgUrl>[^\s\t\r\n""'<>]*)[^<>]*?/?[\s\t\r\n]*>", RegexOptions.IgnoreCase);
23             // 搜索匹配的字符串   
24             MatchCollection matches = regImg.Matches(result);
25             //爬取數(shù)量
26             int i = 0;
27             WebClient web = new WebClient();
28             // 取得匹配項(xiàng)列表   
29             foreach (Match match in matches)
30             {
31                 string imgsrc = match.Groups["imgUrl"].Value;
32                 if (imgsrc.Contains("http") && !imgsrc.Contains(".svg"))
33                 {
34                     i++;
35                     HttpGetImg(web,imgsrc, path,name);
36                     name++;//圖片名
37                 }
38             }
39             sw.Stop();
40             Console.WriteLine("爬取完成!總共爬取了" + i + "張圖片!");
41             Console.WriteLine("爬取圖片耗時(shí):" + sw.ElapsedMilliseconds / 1000 + "秒");
42         }

 1 public static void HttpGetImg(WebClient web, string src,string path,int name)
 2         {
 3             Console.WriteLine("爬取圖片:" + src);
 4             if (!Directory.Exists(path))
 5             {
 6                 Console.WriteLine("路徑錯(cuò)誤!");
 7                 Console.ReadKey();
 8                 return;
 9             }
10             web.DownloadFile(src, path+name+".jpg");
11             Console.WriteLine("爬取圖片成功:" + name+".jpg");
12         }

1 static void Main(string[] args)
2         {
3             string url= "https://www./";
4             string path = Path.Combine(@"D:\word 資料\img\冬天\");
5             HttpHelper.HttpGetAction(url,path,1);
6             Console.ReadKey();
7         }