C#利用HttpWebRequest进行post请求的示例(HTTPS)
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代码如下:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using System.Net;
using System.IO;
using System.IO.Compression;
using System.Text.RegularExpressions;
namespace HttpWebRequestDemo
class Program
private static readonly string DefaultUserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
return true; //总是接受
public static HttpWebResponse CreatePostHttpResponse(string url, IDictionary<string, string> parameters,Encoding charset)
HttpWebRequest request = null;
//HTTPSQ请求
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
request = WebRequest.Create(url) as HttpWebRequest;
request.ProtocolVersion = HttpVersion.Version10;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.UserAgent = DefaultUserAgent;
//如果需要POST数据
if (!(parameters == null || parameters.Count == 0))
StringBuilder buffer = new StringBuilder();
int i = 0;
foreach (string key in parameters.Keys)
if (i > 0)
buffer.AppendFormat("&0=1", key, parameters[key]);
else
buffer.AppendFormat("0=1", key, parameters[key]);
i++;
byte[] data = charset.GetBytes(buffer.ToString());
using (Stream stream = request.GetRequestStream())
stream.Write(data, 0, data.Length);
return request.GetResponse() as HttpWebResponse;
static void Main(string[] args)
string url = "https://192.168.1.101/httpOrg/create";
Encoding encoding = Encoding.GetEncoding("utf-8");
IDictionary<string, string> parameters = new Dictionary<string, string>();
parameters.Add("authuser", "*****");
parameters.Add("authpass", "*****");
parameters.Add("orgkey","*****");
parameters.Add("orgname", "*****");
HttpWebResponse response = Program.CreatePostHttpResponse(url,parameters,encoding);
//打印返回值
Stream stream = response.GetResponseStream(); //获取响应的字符串流
StreamReader sr = new StreamReader(stream); //创建一个stream读取流
string html = sr.ReadToEnd(); //从头读到尾,放到字符串html
Console.WriteLine(html);
HttpWebRequest默认会用代理进行连接,导致获取结果比较慢。解决办法是,配置:
request.Proxy = null;
不使用代理,即可。
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