C#利用HttpWebRequest进行post请求的示例（HTTPS）

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1. using System;  
2. using System.Collections.Generic;  
3. using System.Linq;  
4. using System.Text;  
5. using System.Net.Security;  
6. using System.Security.Cryptography.X509Certificates;  
7. using System.Net;  
8. using System.IO;  
9. using System.IO.Compression;  
10. using System.Text.RegularExpressions;     
11.   
12. namespace HttpWebRequestDemo  
13. {  
14.     class Program  
15.     {  
16.         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)";  
17.   
18.         private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)  
19.         {  
20.             return true; //总是接受     
21.         }  
22.   
23.         public static HttpWebResponse CreatePostHttpResponse(string url, IDictionary<string, string> parameters,Encoding charset)  
24.         {  
25.             HttpWebRequest request = null;  
26.             //HTTPSQ请求  
27.             ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);  
28.             request = WebRequest.Create(url) as HttpWebRequest;  
29.             request.ProtocolVersion = HttpVersion.Version10;  
30.             request.Method = "POST";  
31.             request.ContentType = "application/x-www-form-urlencoded";  
32.             request.UserAgent = DefaultUserAgent;  
33.             //如果需要POST数据     
34.             if (!(parameters == null || parameters.Count == 0))  
35.             {  
36.                 StringBuilder buffer = new StringBuilder();  
37.                 int i = 0;  
38.                 foreach (string key in parameters.Keys)  
39.                 {  
40.                     if (i > 0)  
41.                     {  
42.                         buffer.AppendFormat("&{0}={1}", key, parameters[key]);  
43.                     }  
44.                     else  
45.                     {  
46.                         buffer.AppendFormat("{0}={1}", key, parameters[key]);  
47.                     }  
48.                     i++;  
49.                 }  
50.                 byte[] data = charset.GetBytes(buffer.ToString());  
51.                 using (Stream stream = request.GetRequestStream())  
52.                 {  
53.                     stream.Write(data, 0, data.Length);  
54.                 }  
55.             }  
56.             return request.GetResponse() as HttpWebResponse;  
57.         }     
58.   
59.         static void Main(string[] args)  
60.         {  
61.             string url = "https://192.168.1.101/httpOrg/create";  
62.             Encoding encoding = Encoding.GetEncoding("utf-8");  
63.             IDictionary<string, string> parameters = new Dictionary<string, string>();  
64.             parameters.Add("authuser", "*****");  
65.             parameters.Add("authpass", "*****");  
66.             parameters.Add("orgkey","*****");  
67.             parameters.Add("orgname", "*****");  
68.             HttpWebResponse response = Program.CreatePostHttpResponse(url,parameters,encoding);  
69.             //打印返回值  
70.             Stream stream = response.GetResponseStream();   //获取响应的字符串流  
71.             StreamReader sr = new StreamReader(stream); //创建一个stream读取流  
72.             string html = sr.ReadToEnd();   //从头读到尾，放到字符串html  
73.             Console.WriteLine(html);   
74.         }  
75.     }  
76. }  

C#利用HttpWebRequest进行post请求的示例（HTTPS）

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原文地址：http://www.cnblogs.com/lcyuhe/p/5760954.html