HttpRequest Get and Post call methods on other pages
- 2020-05-30 19:52:00
- OfStack
//Get Request way
private string RequestGet(string Url)
{
string PageStr = string.Empty;// Used for storage and return html
Uri url = new Uri(Url);//Uri class Provide system 1 Resource identifier (URI) Object representation and pair URI Easy access to all parts. Is the handling url address
try
{
HttpWebRequest httprequest = (HttpWebRequest)WebRequest.Create(url);// According to the url Address to create HTTpWebRequest object
#region Parameter Settings
httprequest.Method = "get";
//--------------------------------------------- set 1 Some parameters (not necessary)
//httprequest.KeepAlive = false;// The persistent connection is set to false
//httprequest.ProtocolVersion = HttpVersion.Version11;// The version of the network protocol
//httprequest.Proxy = WebProxy.GetDefaultProxy();// Server agent
//httprequest.ContentType = "application/x-www-form-urlencoded";//http head
//httprequest.AllowAutoRedirect = true;
//httprequest.MaximumAutomaticRedirections = 10;
//httprequest.Timeout = 30000;// Set the timeout 10 Seconds (milliseconds)
//httprequest.UserAgent = "mozilla/4.0 (compatible; msie 6.0; windows nt 5.1)"; // The browser
//=================================================
#endregion
HttpWebResponse response = (HttpWebResponse)httprequest.GetResponse();// use HttpWebResponse Gets the return value of the request
Stream steam = response.GetResponseStream();// Gets the data flow from the return object
StreamReader reader = new StreamReader(steam, Encoding.GetEncoding("gb2312"));// Read the data Encoding.GetEncoding("gb2312") Refers to the code is gb2312 , don't let the Chinese will be garbled
PageStr = reader.ReadToEnd();
reader.Close();
}
catch (Exception e)
{
PageStr += e.Message;
}
return PageStr;
}
//Post Request mode, yu Get Is written in a similar way, so there is less explanation 1 O 'clock
private string RequestPost(string Url,string Context)// The two parameters are Url The address and Post Past data
{
string PageStr=string.Empty;
Uri url = new Uri(Url);
byte[] reqbytes=Encoding.ASCII.GetBytes(Context);
try
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.Method = "post";
req.ContentType = "application/x-www-form-urlencoded";
req.ContentLength = reqbytes.Length;
Stream stm = req.GetRequestStream();
stm.Write(reqbytes, 0, reqbytes.Length);
stm.Close();
HttpWebResponse wr = (HttpWebResponse)req.GetResponse();
Stream stream = wr.GetResponseStream();
StreamReader srd= new StreamReader(stream,Encoding.GetEncoding("gb2312"));
PageStr += srd.ReadToEnd();
stream.Close();
srd.Close();
}
catch (Exception e)
{
PageStr += e.Message;
}
return PageStr;
}
public string WebClientGet(string url)
{
var client = new WebClient();
client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");
var stream = client.OpenRead(url);
if (stream == null) return "";
var reader = new StreamReader(stream, Encoding.Default);
var result = reader.ReadToEnd();
stream.Close();
reader.Close();
return result;
}