public static void ProcessFileUpload(this HttpRequestMessage request, Func <ProcessFileArguments, bool> processor)
{
HttpContext.Current.Response.Buffer = false;
HttpContext.Current.Response.Expires = -1;
HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
HttpContext.Current.Response.Write(new string(' ', 4096));
HttpContext.Current.Response.Flush();
ProcessProgress.Current.RegisterResponser(ScriptProgressResponser.Instance);
ProcessFileResult result = new ProcessFileResult();
try
{
ProcessProgress.Current.MinStep = 0;
ProcessProgress.Current.CurrentStep = 0;
ProcessProgress.Current.MaxStep = 100;
request.Content.IsMimeMultipartContent("form-data").FalseThrow("上传请求的格式不正确");
InMemoryMultipartFormDataStreamProvider provider = InMemoryMultipartFormDataStreamProvider.GetProvider(request);
bool needContinue = true;
foreach (StreamContent fileContent in provider.Files)
{
ProcessFileArguments args = new ProcessFileArguments()
{
FormData = provider.FormData,
UploadedStream = fileContent.ReadAsStreamAsync().Result,
ProcessResult = result
};
if (processor != null)
{
needContinue = processor(args);
}
if (needContinue == false)
{
break;
}
}
}
catch (System.Exception ex)
{
result.Error = ex.Message;
}
finally
{
ScriptProgressResponser.Instance.ResponseResult("processComplete", result);
HttpContext.Current.Response.End();
}
}
public static MaterialModelCollection ProcessMaterialUpload(this HttpRequestMessage request)
{
MaterialModelCollection materials = new MaterialModelCollection();
request.Content.IsMimeMultipartContent("form-data").FalseThrow("上传请求的格式不正确");
InMemoryMultipartFormDataStreamProvider provider = InMemoryMultipartFormDataStreamProvider.GetProvider(request);
string mumJson = provider.FormData.GetValue("materialUploadModel", string.Empty);
MaterialUploadModel uploadModel = null;
if (mumJson.IsNotEmpty())
{
JsonSerializerSettings settings = new JsonSerializerSettings();
settings.ContractResolver = new CamelCasePropertyNamesContractResolver();
uploadModel = JsonConvert.DeserializeObject <MaterialUploadModel>(mumJson);
}
else
{
uploadModel = new MaterialUploadModel();
}
foreach (StreamContent fileContent in provider.Files)
{
if (uploadModel.OriginalName.IsNullOrEmpty())
{
ContentDispositionHeaderValue contentDisposition = fileContent.Headers.ContentDisposition;
if (contentDisposition != null)
{
string fileName = contentDisposition.FileName.Replace("\"", string.Empty);
uploadModel.OriginalName = Path.GetFileName(fileName);
}
}
MaterialModel material = uploadModel.GenerateMaterial();
IMaterialContentPersistManager persistManager = GetMaterialContentPersistManager(material.ID,
GetTempUploadFilePath(material.ID, uploadModel.RootPathName, uploadModel.OriginalName));
persistManager.SaveTempMaterialContent(material.ID, fileContent.ReadAsStreamAsync().Result);
materials.Add(material);
}
return(materials);
}
