C#调用URL

关键类

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.UTF8);
            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;
    }