C#抓取网页数据
string tempurl = "xxxx"; //需要请求的页面url HttpWebRequest webr = (HttpWebRequest)WebRequest.Create(tempurl);//创建请求 string paramStr = "xxx"; //需要传参 byte[] paramByte = Encoding.UTF8.GetBytes(paramStr); webr.Method = "POST"; webr.ContentLength = paramByte.Length; webr.ContentType = "application/x-www-form-urlencoded"; Stream strStream = webr.GetRequestStream(); strStream.Write(paramByte, 0, paramByte.Length); HttpWebResponse wb = (HttpWebResponse)webr.GetResponse(); Stream sr = wb.GetResponseStream();//得到返回数据流 StreamReader sr1 = new StreamReader(sr, Encoding.GetEncoding("utf-8"));//用于读取数据流的内容 string zz = sr1.ReadToEnd();//读取完成 sr1.Close(); strStream.Close(); wb.Close();//关闭