#.NET分别以GET和POST方式抓取远程页面

代码

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);

            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;