private MultipartFormDataContent Build(Dictionary<string, object> dataPair)
{
MultipartFormDataContent multipart = new MultipartFormDataContent();
string timeStamp = this.GetTimeStamp();
dataPair.Add(APPID, _appConfig.AppId);
dataPair.Add(TIMESTAMP, timeStamp);
dataPair.Add(SIGN_TYPE, _appConfig.SignType.ToString());
SignatureHelper sigHelper = new SignatureHelper(_appConfig);
string formatData = RequestHelper.FormatRequest(dataPair);
multipart.Add(new StringContent(sigHelper.GetSignature(formatData)), SIGNATURE);
foreach (string key in dataPair.Keys)
{
string value = dataPair[key] as string;
if (value != null)
{
multipart.Add(new StringContent(value), key);
continue;
}
bool? boolValue = dataPair[key] as bool?;
if (boolValue != null)
{
multipart.Add(new StringContent(boolValue.Value ? "true" : "false"), key);
continue;
}
FileInfo file = dataPair[key] as FileInfo;
if (file != null)
{
var fileContent = new ByteArrayContent(System.IO.File.ReadAllBytes(file.FullName));
fileContent.Headers.ContentType = System.Net.Http.Headers.MediaTypeHeaderValue.Parse("multipart/form-data");
fileContent.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data")
{
FileName = file.Name,
Name = key,
};
multipart.Add(fileContent);
}
}
return multipart;
}
