网站数据抓取-创新互联

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1：
private bool ImportSubjectQuesData(int bankId, int categoryId, int curpage, int pagesize)
{
string postData = "bankid=" +
System.Web.HttpUtility.UrlEncode(bankId.ToString(), System.Text.Encoding.ASCII);
postData+= "&categoryid=" +
System.Web.HttpUtility.UrlEncode(categoryId.ToString(), System.Text.Encoding.ASCII);
postData+= "&curpage=" + System.Web.HttpUtility.UrlEncode(curpage.ToString(), System.Text.Encoding.ASCII);
 ....参数省....

string url = "http://www.*****.com/Web/Handler1.ashx?action=queslistquery";

byte[] byteArray = Encoding.UTF8.GetBytes(postData);
var webRequest = (HttpWebRequest)WebRequest.Create(new Uri(url));
webRequest.Method= "post";
webRequest.ContentType= "application/x-www-form-urlencoded";
webRequest.ContentLength= byteArray.Length;
Stream newStream= webRequest.GetRequestStream();
newStream.Write(byteArray,0, byteArray.Length);
newStream.Close();
//接收HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse();
StreamReader php= new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8"));
string result = php.ReadToEnd();
int Index = result.IndexOf("###");
var retCount = DeserializeObject(result.Substring(0, Index));
int Count = Convert.ToInt32(retCount.quescount.Value); 
int intPagesize = Convert.ToInt32(pagesize);数int pageCount = Count % intPagesize == 0 ? Count / intPagesize : Count / intPagesize + 1; 

result= result.Substring(Index + "###".Length);
var questlt = DeserializeObject(result);
//数据录入return InserData(questlt);
}

2：

string url = txtshiUrl.Text + i;
var webRequest = (HttpWebRequest)WebRequest.Create(new Uri(url));
webRequest.Method = "GET";
webRequest.UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)";
webRequest.ContentType = "text/html; charset=gbk";
webRequest.KeepAlive = true;
webRequest.Referer = url;
webRequest.CookieContainer = new CookieContainer();
HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
responseStream = webResponse.GetResponseStream();
StreamReader streamReader = new StreamReader(responseStream, Encoding.GetEncoding("gbk"));
string shtml = streamReader.ReadToEnd();

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网站数据抓取-创新互联

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