[英]Reading Response From URL using HTTP WEB REQUEST
我必須閱讀來自http://www.subway.com/storelocator/default.aspx?zip=04416&country=USA 的響應。我使用了以下代碼,但沒有得到所有響應。 而不是它給出了錯誤頁面的響應提前致謝。
protected void Page_Load(object sender, EventArgs e)
{
string sUrl = "http://www.subway.com/storelocator/default.aspx?zip=04416&country=USA";
XmlDocument rssDoc = new XmlDocument();
XmlTextReader rssReader = new XmlTextReader(sUrl.ToString());
WebRequest wrGETURL;
wrGETURL = WebRequest.Create(sUrl);
Stream objStream;
objStream = wrGETURL.GetResponse().GetResponseStream();
StreamReader objReader = new StreamReader(objStream, Encoding.UTF8);
WebResponse wr = wrGETURL.GetResponse();
Stream receiveStream = wr.GetResponseStream();
StreamReader reader = new StreamReader(receiveStream, Encoding.UTF8);
string content = reader.ReadToEnd();
Response.Write(content);
}
我不知道你想用XmlTextReader
做什么,因為返回的內容是html
而不是xml
,但是設置 UserAgent 足以獲取頁面。
HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create("http://www.subway.com/storelocator/default.aspx?zip=04416&country=USA");
req.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; .NET4.0E)";
using (var resp = req.GetResponse())
{
var html = new StreamReader(resp.GetResponseStream()).ReadToEnd();
}
Stream objStream;
StreamReader objSR;
System.Text.Encoding encode = System.Text.Encoding.GetEncoding("utf-8");
string str = "http://domaninname.com/YourPage.aspx?name=" + "abc";
HttpWebRequest wrquest = (HttpWebRequest)WebRequest.Create(str);
HttpWebResponse getresponse = null;
getresponse = (HttpWebResponse)wrquest.GetResponse();
objStream = getresponse.GetResponseStream();
objSR = new StreamReader(objStream, encode, true);
string strResponse = objSR.ReadToEnd();
Response.Write(strResponse);
在一行中,使用更簡單的 vb.net(獲得與 c# 相同的性能)
Return New System.IO.StreamReader(System.Net.HttpWebRequest.Create("http://urltogetthecontents.com").GetResponse().GetResponseStream()).ReadToEnd()
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