C# Post Get 方式发送请求

 1         /// <summary>
 2         /// 没有参数的post请求
 3         /// </summary>
 4         public void HttpPostNoParam()
 5         {　
 6              string Url = "请求地址";
 7              HttpWebRequest request = WebRequest.CreateHttp(Url);
 8              request.Method = "POST";
 9              request.ContentType = "application/x-www-form-urlencoded";
10              Stream myRequestStream = request.GetRequestStream();
11              StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding("gb2312"));
12              myStreamWriter.Close();
13              myRequestStream.Close();
14  　　　　　　　
15              HttpWebResponse response = (HttpWebResponse)request.GetResponse();
16              Stream myResponseStream = response.GetResponseStream();
17              StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
18              string retString = myStreamReader.ReadToEnd();
19              myStreamReader.Close();
20              myResponseStream.Close();
21         }

 1           /// <summary>
 2          /// 带有参数的post请求
　　　　　　　/// UserID、TransFlow 参数名
 3          /// </summary>
 4          public void HttpPostParam()
 5          {　  string Url = "请求地址";
 6              HttpWebRequest request = WebRequest.CreateHttp(Url);
 7              request.Method = "POST";
 8              request.ContentType = "application/x-www-form-urlencoded";
 9              string param = "UserID=2098&TransFlow=2";
10              byte[] by;
11              by = System.Text.Encoding.UTF8.GetBytes(param);
12              request.ContentLength = by.Length;
13              Stream myRequestStream = request.GetRequestStream();
14              StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding("gb2312"));
15              myRequestStream.Write(by, 0, by.Length);
16              myStreamWriter.Close();
17              myRequestStream.Close();
18  
19  
20              HttpWebResponse response = (HttpWebResponse)request.GetResponse();
21              Stream myResponseStream = response.GetResponseStream();
22              StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
23              string retString = myStreamReader.ReadToEnd();
24              myStreamReader.Close();
25              myResponseStream.Close();
26         }

 1         /// <summary>
 2         /// Get方式
 3         /// </summary>
 4         public void HttpGet()
 5         {
 6             string url = "请求地址?ID=2";
 7             HttpWebRequest request = WebRequest.CreateHttp(url);
 8             request.Method = "Get";
 9             request.ContentType = "application/x-www-form-urlencoded";
10 
11             HttpWebResponse response = (HttpWebResponse)request.GetResponse();
12             Stream read = response.GetResponseStream();
13             StreamReader sm = new StreamReader(read, System.Text.Encoding.UTF8);
14             string readString = sm.ReadToEnd();
15 
16         }