引入命名空间 
引入命名空间 using System.IO; using System.Net; using System.Text; 
using System.Text.RegularExpressions; //以GET方式抓取远程页面内容 public string Get_Http(string tUrl) { 
string strResult; try 
{ HttpWebRequest hwr = (HttpWebRequest)HttpWebRequest.Create(tUrl); hwr.Timeout = 19600; HttpWebResponse hwrs = (HttpWebResponse)hwr.GetResponse(); Stream myStream = hwrs.GetResponseStream(); StreamReader sr = new StreamReader(myStream, Encoding.Default); StringBuilder sb = new StringBuilder(); while (-1 != sr.Peek()) { sb.Append(sr.ReadLine() + "\r\n"); 
} strResult = sb.ToString(); hwrs.Close(); } catch (Exception ee) { strResult = ee.Message; } return strResult; } //以POST方式抓取远程页面内容 //postData为参数列表 public string Post_Http(string url, string postData, string encodeType, out string err) { string uriString = url; byte byteArray; byte responseArray; //postData = "checkvalue=32&bbb=%CD%B6%C6%B1&ilc=0&kkk=22"; Encoding encoding = Encoding.GetEncoding(encodeType); try { WebClient myWebClient = new WebClient(); WebHeaderCollection myWebHeaderCollection; myWebClient.Headers.Add("Content-Type", "application/x-www-form-urlencoded"); //myWebClient.Headers.Add("Referer","http://xxxxx/xxxxxxxxxxxxxxxxxxxxxxxx"); //myWebClient.Headers.Add("Accept-Language","zh-cn"); myWebHeaderCollection = myWebClient.Headers; byteArray = encoding.GetBytes(postData); responseArray = myWebClient.UploadData(uriString, "POST", byteArray); err = string.Empty; return this.StrClearNoUse(encoding.GetString(responseArray)); } catch (Exception ex) { err = ex.Message; return string.Empty; } }
引入命名空间 