/// <summary>
/// 调用 WebAPI 服务，发送请求报文，接收响应报文后，转换成指定类型的对象
/// </summary>
/// <typeparam name="T">返回的对象类型</typeparam>
/// <param name="requestObject">请求报文对象</param>
/// <param name="result">交易结果对象</param>
/// <returns>返回的对象</returns>
protected T Call <T>(
object requestObject,
out TErrorMessage result)
{
string url = "";
result = new TErrorMessage();
switch (moduleType)
{
case TModuleType.Exchange:
url =
string.Format(
"{0}{1}/{2}/{3}/{4}",
webAPIUrl,
moduleType.ToString(),
clientID,
contentType.ToString(),
exCode);
break;
default:
string errText = string.Format("目前不支持模块 [{0}]", moduleType.ToString());
Exception error = new Exception(errText);
error.Data["ErrCode"] = 999999;
error.Data["ErrText"] = errText;
throw error;
}
switch (contentType)
{
case TContentType.JSON:
break;
default:
string errText = string.Format("目前不支持 [{0}] 报文格式", contentType.ToString());
Exception error = new Exception(errText);
error.Data["ErrCode"] = 999999;
error.Data["ErrText"] = errText;
throw error;
}
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/stream;";
request.KeepAlive = false;
request.AllowAutoRedirect = true;
request.CookieContainer = new CookieContainer();
request.Timeout = 30000; // 单位：毫秒
try
{
Stream stream = request.GetRequestStream();
#region 根据传入的指定报文格式，生成交易请求对象的相应格式的报文文本
string content = "";
switch (contentType)
{
case TContentType.JSON:
content = requestObject.ToJSON();
break;
case TContentType.XML:
content = requestObject.ToXML();
break;
}
#endregion
byte[] requestContext = Encoding.UTF8.GetBytes(content);
stream.Write(requestContext, 0, requestContext.Length);
stream.Flush();
stream.Close();
Application.DoEvents();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
string resJson = "";
using (StreamReader sr = new StreamReader(response.GetResponseStream()))
{
resJson = sr.ReadToEnd();
}
T rtnObject = default(T);
switch (contentType)
{
case TContentType.JSON:
result = JsonConvert.DeserializeObject <TErrorMessage>(resJson);
rtnObject = JsonConvert.DeserializeObject <T>(resJson);
break;
}
result.SourceREQContent = content;
result.SourceRESPContent = resJson;
return(rtnObject);
}
catch (Exception error)
{
error.Data["ErrCode"] = 999999;
error.Data["ErrText"] = error.Message;
throw error;
}
}
/// <summary> /// 执行具体的报文发送和接收交易 /// </summary> protected abstract void Communicate(out TErrorMessage errorMsg);