HttpWebRequest 和HttpWebResponse总结
1. 总结
总结2
3. Code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net;
using System.IO;
using System.Web; namespace Core
{
public class RequestHelper
{
private Stream SendGetRequest1(string url)
{
string content;
//HttpRequest request;// Enables ASP.NET to read the HTTP values sent by a client during a Web request.
WebRequest webrequest;// Makes a request to a Uniform Resource Identifier (URI). This is an abstract
HttpWebRequest httpWebRequest;// Provides an HTTP-specific implementation of the System.Net.WebRequest class.
HttpWebResponse httpWebResponse;
//string url = "fsefsf";
httpWebRequest = WebRequest.Create(url) as HttpWebRequest;
httpWebRequest.AllowAutoRedirect = true;
httpWebRequest.Method = "GET";
httpWebRequest.ContentType = "application/x-www-form-urlencoded"; //httpwebrequest.ContentType = "application/json";
//httpwebrequest.ContentType = "application/xml";
//httpwebrequest.Headers.Add("url",url); httpWebResponse = httpWebRequest.GetResponse() as HttpWebResponse;
Stream resStream = httpWebResponse.GetResponseStream();
using (StreamReader sr = new StreamReader(resStream))
{
content = sr.ReadToEnd();
}
if (httpWebResponse.StatusCode != HttpStatusCode.OK)
{ }
return resStream;
}
private Stream SendGetRequestForStream(string url, string contentType)
{
HttpWebRequest httpWebRequest;// Provides an HTTP-specific implementation of the System.Net.WebRequest class.
HttpWebResponse httpWebResponse;
httpWebRequest = WebRequest.Create(url) as HttpWebRequest;
httpWebRequest.Method = "GET";
httpWebRequest.ContentType = contentType;
httpWebResponse = httpWebRequest.GetResponse() as HttpWebResponse;
Stream resStream = httpWebResponse.GetResponseStream();
return resStream;
} private String SendGetRequest(string url, string contentType)
{
string content = "";
HttpWebRequest httpWebRequest;
HttpWebResponse httpWebResponse;
httpWebRequest = WebRequest.Create(url) as HttpWebRequest;
httpWebRequest.Method = "GET";
httpWebRequest.ContentType = contentType;//"application/x-www-form-encoded";
httpWebResponse = httpWebRequest.GetResponse() as HttpWebResponse;
Stream resStream = httpWebResponse.GetResponseStream();
using (StreamReader sr = new StreamReader(resStream))
{
content = sr.ReadToEnd();
}
return content;
} private Stream SendPostRequestForStream(string url, string data, string contentType)
{
//string content = "";
HttpWebRequest httpWebRequest;
HttpWebResponse httpWebResponse;
httpWebRequest = WebRequest.Create(url) as HttpWebRequest;
httpWebRequest.Method = "POST";
httpWebRequest.ContentType = contentType;
Stream reqStream = httpWebRequest.GetRequestStream();
using (StreamWriter sw = new StreamWriter(reqStream))
{
sw.Write(data);
}
httpWebResponse = httpWebRequest.GetResponse() as HttpWebResponse;
Stream ResStream = httpWebResponse.GetResponseStream(); return ResStream;
} private String SendPostRequest(string url, string data, string contentType)
{
string content = "";
HttpWebRequest httpWebRequest;
HttpWebResponse httpWebResponse;
httpWebRequest = WebRequest.Create(url) as HttpWebRequest;
httpWebRequest.Method = "POST";
httpWebRequest.ContentType = contentType;
Stream reqStream = httpWebRequest.GetRequestStream();
using (StreamWriter sw = new StreamWriter(reqStream))
{
sw.Write(data);
}
httpWebResponse = httpWebRequest.GetResponse() as HttpWebResponse;
Stream resStream = httpWebResponse.GetResponseStream();
using (StreamReader sr = new StreamReader(resStream))
{
content = sr.ReadToEnd();
} return content;
}
}
}
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