模拟远程HTTP的POST请求

建立请求，以模拟远程HTTP的POST请求方式构造并获取处理结果

         /// <summary>
         /// 建立请求，以模拟远程HTTP的POST请求方式构造并获取处理结果
         /// </summary>
         /// <param name="sParaTemp">请求参数数组</param>
         /// <returns>处理结果</returns>
         public string BuildRequest(Dictionary<string, string> sParaTemp,string url,string input_chartset)
         {
             Encoding code = Encoding.GetEncoding(input_chartset);

             //待请求参数数组字符串
             string strRequestData = BuildRequestParaToString(sParaTemp, code);

             //把数组转换成流中所需字节数组类型
             byte[] bytesRequestData = code.GetBytes(strRequestData);

             //构造请求地址
             string strUrl = url;

             //请求远程HTTP
             string strResult = "";
             try
             {
                 //设置HttpWebRequest基本信息
                 HttpWebRequest myReq = (HttpWebRequest)HttpWebRequest.Create(strUrl);
                 myReq.Method = "post";
                 myReq.ContentType = "application/x-www-form-urlencoded";

                 //填充POST数据
                 myReq.ContentLength = bytesRequestData.Length;
                 Stream requestStream = myReq.GetRequestStream();
                 requestStream.Write(bytesRequestData, , bytesRequestData.Length);
                 requestStream.Close();

                 //发送POST数据请求服务器
                 HttpWebResponse HttpWResp = (HttpWebResponse)myReq.GetResponse();
                 Stream myStream = HttpWResp.GetResponseStream();

                 //获取服务器返回信息
                 StreamReader reader = new StreamReader(myStream, code);
                 StringBuilder responseData = new StringBuilder();
                 String line;
                 while ((line = reader.ReadLine()) != null)
                 {
                     responseData.Append(line);
                 }

                 //释放
                 myStream.Close();

                 strResult = responseData.ToString();
             }
             catch (Exception exp)
             {
                 strResult = "报错：" + exp.Message;
             }

             return strResult;
         }

         /// <summary>
         /// 生成要请求的参数数组
         /// </summary>
         /// <param name="sParaTemp">请求前的参数数组</param>
         /// <param name="code">字符编码</param>
         /// <returns>要请求的参数数组字符串</returns>
         private string BuildRequestParaToString(Dictionary<string, string> sParaTemp, Encoding code)
         {
             //把参数组中所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串，并对参数值做urlencode
             string strRequestData = CreateLinkStringUrlencode(sParaTemp, code);
             return strRequestData;
         }

         /// <summary>
         /// 把数组所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串，并对参数值做urlencode
         /// </summary>
         /// <param name="sArray">需要拼接的数组</param>
         /// <param name="code">字符编码</param>
         /// <returns>拼接完成以后的字符串</returns>
         private string CreateLinkStringUrlencode(Dictionary<string, string> dicArray, Encoding code)
         {
             StringBuilder prestr = new StringBuilder();
             foreach (KeyValuePair<string, string> temp in dicArray)
             {
                 prestr.Append(temp.Key + "=" + HttpUtility.UrlEncode(temp.Value, code) + "&");
             }

             //去掉最後一個&字符
             int nLen = prestr.Length;
             prestr.Remove(nLen - , );

             return prestr.ToString();
         }

调用

         /// <summary>
         /// 查询电子邮件状态
         /// </summary>
         /// <returns></returns>
         [HttpPost]
         public ActionResult QueryEmailStatus()
         {
             string responseText = string.Empty;
             try
             {
                 #region 调用查询电子邮件状态接口

                 string url = "http://localhost/WebAPI/status.aspx";
                 string input_chartset="utf-8";
                 //构造参数
                 Dictionary<string, string> sParaTemp = new Dictionary<string, string>();
                 sParaTemp.Add("ManagerLoginName", "XXXXXXX");//API帳號
                 sParaTemp.Add("ManagerPassword", "XXXXXXX");//API密碼

                 sParaTemp.Add("JobType", "");//1:簡訊 2:電子郵件
                 sParaTemp.Add("LaunchID", "");//任務編號
                 sParaTemp.Add("EmailAddress", "394401333@qq.com");//查詢的對象(收件者信箱)     

                 //提交请求，获得返回结果
                 responseText = BuildRequest(sParaTemp, url, input_chartset);

                 #endregion
             }
             catch (Exception ex)
             {
                 throw ex;
                 //Log.Error(this.GetType().ToString(), "Exception: " + ex.Message);
             }
             return RedirectToAction("Index", "Demo");
         }