using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Net; using System.IO; using System.Windows.Forms; namespace WindowsFormsApplication1 {     public class GatherPic     {         private string savePath;         private string getUrl;         private WebBrowser wb;         private int iImgCount;         //初始化参数         public GatherPic(string sWebUrl, string sSavePath)         {             this.getUrl = sWebUrl;             this.savePath = sSavePath;         }         //开始采集         public bool start()         {             if (getUrl.Trim().Equals(""))             {                 MessageBox.Show("哪来的虾米连网址都没输！");                 return false;             }             this.wb = new WebBrowser();             this.wb.Navigate(getUrl);             //委托事件             this.wb.DocumentCompleted += new System.Windows.Forms.WebBrowserDocumentCompletedEventHandler(DocumentCompleted);             return true;         }         //WebBrowser.DocumentCompleted委托事件         private void DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)         {             //页面里框架iframe加载完成不掉用SearchImgList()             if (e.Url != wb.Document.Url) return;             SearchImgList();         }         //检查出所有图片并采集到本地         public void SearchImgList()         {             string sImgUrl;             //取得所有图片地址             HtmlElementCollection elemColl = this.wb.Document.GetElementsByTagName("img");             this.iImgCount = elemColl.Count;             foreach (HtmlElement elem in elemColl)             {                 sImgUrl = elem.GetAttribute("src");                 //调用保存远程图片函数                 SaveImageFromWeb(sImgUrl, this.savePath);             }         }         //保存远程图片函数         public int SaveImageFromWeb(string imgUrl, string path)         {             string imgName = imgUrl.ToString().Substring(imgUrl.ToString().LastIndexOf("/") + 1);             path = path + "\\" + imgName;             string defaultType = ".jpg";             string[] imgTypes = new string[] { ".jpg", ".jpeg", ".png", ".gif", ".bmp" };             string imgType = imgUrl.ToString().Substring(imgUrl.ToString().LastIndexOf("."));             foreach (string it in imgTypes)             {                 if (imgType.ToLower().Equals(it))                     break;                 if (it.Equals(".bmp"))                     imgType = defaultType;             }             try             {                 HttpWebRequest request = (HttpWebRequest)WebRequest.Create(imgUrl);                 request.UserAgent = "Mozilla/6.0 (MSIE 6.0; Windows NT 5.1; Natas.Robot)";                 request.Timeout = 10000;                 WebResponse response = request.GetResponse();                 Stream stream = response.GetResponseStream();                 if (response.ContentType.ToLower().StartsWith("image/"))                 {                     byte[] arrayByte = new byte[1024];                     int imgLong = (int)response.ContentLength;                     int l = 0;                     // CreateDirectory(path);                     FileStream fso = new FileStream(path, FileMode.Create);                     while (l < imgLong)                     {                         int i = stream.Read(arrayByte, 0, 1024);                         fso.Write(arrayByte, 0, i);                         l += i;                     }                     fso.Close();                     stream.Close();                     response.Close();                     return 1;                 }                 else                 {                     return 0;                 }             }             catch (WebException)             {                 return 0;             }             catch (UriFormatException)             {                 return 0;             }         }     } } //-----------------调用代码-------------------- GatherPic gatherpic = new GatherPic(“http://www.baidu.com”,"C:\test"); //请确保c:\下存在test路径 gatherpic.start()