C#的HTTP请求客户端实现。

renxiao2003

1. using System;
   
2. using System.Collections.Generic;
   
3. using System.Linq;
   
4. using System.Text;
   
5. using System.Net;
   
6. using System.IO;
   
7. using System.Security.Cryptography.X509Certificates;
   
8. using System.Net.Security;
   
9. 
   
10. namespace Simulator
    
11. {
    
12.     class Simulator
    
13.     {
    
14.         public static string PostDataSSL(string purl, string str)
    
15.         {
    
16.             return PostData(purl, str, true);
    
17.         }
    
18. 
    
19.         public static string PostData(string url,string str){
    
20.             return PostData(url, str, false);
    
21.         }
    
22. 
    
23.         public static string PostData(string purl,string str,bool sslAuth)
    
24.           {
    
25.               //System.Net.WebRequest req = System.Net.WebRequest.Create("your url");
    
26. 
    
27. 
    
28.               //req.ContentType = "text/xml";
    
29. 
    
30.               //req.Method = "POST";
    
31. 
    
32. 
    
33.               //byte[] bytes = System.Text.Encoding.ASCII.GetBytes("Your Data");
    
34. 
    
35.               //req.ContentLength = bytes.Length;
    
36. 
    
37.               //os = req.GetRequestStream();
    
38. 
    
39.               //os.Write(bytes, 0, bytes.Length);
    
40. 
    
41. 
    
42. 
    
43.               //System.Net.WebResponse resp = req.GetResponse();
    
44. 
    
45.               //if (resp == null) return;
    
46. 
    
47.               //System.IO.StreamReader sr = new System.IO.StreamReader(resp.GetResponseStream());
    
48. 
    
49. 
    
50.               //str responsecontent = sr.ReadToEnd().Trim();
    
51. 
    
52. 
    
53. 
    
54.               //if (isCer)
    
55. 
    
56.               //{
    
57. 
    
58. 
    
59.               // //需要Https验证
    
60. 
    
61.               // System.Security.Cryptography.X509Certificates.X509Certificate cer;
    
62. 
    
63.               // //System.Security.Cryptography.X509Certificates.X509Certificate cer = System.Security.Cryptography.X509Certificates.X509Certificate.CreateFromCertFile(pfxPath);
    
64. 
    
65.               // if (String.IsNullOrEmpty(pfxPassword)) //是否证书加载是否需要密码
    
66. 
    
67.               // cer = new X509Certificate(pfxPath);
    
68. 
    
69.               // else
    
70. 
    
71.               // cer = new X509Certificate(pfxPath, pfxPassword);
    
72. 
    
73.               // webReq.ClientCertificates.Add(cer);
    
74. 
    
75. 
    
76.               //}
    
77. 
    
78. 
    
79. 
    
80. 
    
81.               try
    
82.              {
    
83.                  byte[] data = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(str);
    
84.                  // 准备请求
    
85. 
    
86.                  HttpWebRequest req = (HttpWebRequest)WebRequest.Create(purl);
    
87.                  if (sslAuth)
    
88.                  {
    
89.                      ServicePointManager.ServerCertificateValidationCallback = delegate(object s, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) { return true; };
    
90.                  }
    
91.                  //设置超时
    
92. 
    
93.                  req.Timeout = 30000;
    
94.                  req.Method = "POST";
    
95.                  req.ContentType = "text/xml";
    
96.                  req.ContentLength = data.Length;
    
97.                  Stream stream = req.GetRequestStream();
    
98.                  
    
99.                  //req.ClientCertificates.Add(xCert);
    
100. 
     
101.                  // 发送数据
     
102. 
     
103.                  stream.Write(data, 0, data.Length);
     
104.                  stream.Close();
     
105. 
     
106.                  HttpWebResponse rep = (HttpWebResponse)req.GetResponse();
     
107.                  Stream receiveStream = rep.GetResponseStream();
     
108.                  Encoding encode = System.Text.Encoding.GetEncoding("UTF-8");
     
109.                  // Pipes the stream to a higher level stream reader with the required encoding format.
     
110. 
     
111.                  StreamReader readStream = new StreamReader(receiveStream, encode);
     
112. 
     
113.                  Char[] read = new Char[256];
     
114.                  int count = readStream.Read(read, 0, 256);
     
115.                  StringBuilder sb = new StringBuilder("");
     
116.                  while (count > 0)
     
117.                  {
     
118.                      String readstr = new String(read, 0, count);
     
119.                      sb.Append(readstr);
     
120.                      count = readStream.Read(read, 0, 256);
     
121.                  }
     
122. 
     
123.                  rep.Close();
     
124.                  readStream.Close();
     
125. 
     
126.                  return sb.ToString();
     
127. 
     
128.              }
     
129.              catch (Exception ex)
     
130.              {
     
131.                  return ex.Message;
     
132.                 // ForumExceptions.Log(ex);
     
133. 
     
134.              }
     
135.          }
     
136. 
     
137.     }
     
138. }

http和https的区分也有。