/// <summary>
/// 提交一个Web请求
/// </summary>
/// <param name="method">Web请求方式</param>
/// <param name="data"></param>
/// <returns>Web请求返回结果</returns>
protected virtual ResponseResult SubmitRequest(string method, string data)
{
var request = CreateRequest(method);
InitRequest(request);
LoadRequestData(request, data);
try
{
return(Retry.DoExecute <ResponseResult>(() => CreateReponseResult((HttpWebResponse)request.GetResponse())));
}
catch (WebException ex)
{
if ((HttpWebResponse)ex.Response == null)
{
throw ex;
}
return(CreateReponseResult((HttpWebResponse)ex.Response));
}
}
/// <summary>
/// 向目标服务提交一个文件流
/// </summary>
/// <param name="stream"></param>
/// <param name="filename"></param>
/// <returns></returns>
public ResponseResult PostFileStream(Stream stream, string filename)
{
var request = CreateRequest("POST");
InitRequest(request);
//时间戳
string strBoundary = "----------" + DateTime.Now.Ticks.ToString("x");
byte[] boundaryBytes = Encoding.ASCII.GetBytes("\r\n--" + strBoundary + "\r\n");
//请求头部信息
string strPostHeader = new StringBuilder()
.Append("--")
.Append(strBoundary)
.Append("\r\n")
.Append("Content-Disposition: form-data; name=\"")
.Append("file")
.Append("\"; filename=\"")
.Append(filename)
.Append("\"")
.Append("\r\n")
.Append("Content-Type: ")
.Append("application/octet-stream")
.Append("\r\n")
.Append("\r\n").ToString();
byte[] postHeaderBytes = Encoding.GetBytes(strPostHeader);
request.AllowWriteStreamBuffering = false;
request.ContentType = "multipart/form-data; boundary=" + strBoundary;
long length = stream.Length + postHeaderBytes.Length + boundaryBytes.Length;
request.ContentLength = length;
var requestStream = request.GetRequestStream();
//发送请求头部消息
requestStream.Write(postHeaderBytes, 0, postHeaderBytes.Length);
//
var size = 0;
var bufferLength = 4096;
byte[] buffer = new byte[bufferLength];
do
{
size = stream.Read(buffer, 0, bufferLength);
if (size == 0)
{
break;
}
requestStream.Write(buffer, 0, size);
} while (true);
requestStream.Write(boundaryBytes, 0, boundaryBytes.Length);
requestStream.Close();
try
{
return(Retry.DoExecute <ResponseResult>(() => CreateReponseResult((HttpWebResponse)request.GetResponse())));
}
catch (WebException ex)
{
if ((HttpWebResponse)ex.Response == null)
{
throw ex;
}
return(CreateReponseResult((HttpWebResponse)ex.Response));
}
}