关于[Passing a binary file to a web service from a .NET app]的摘要:
Sometimes a web service requires us to pass a binary file, such as an image in the request body. To do this, we need to submit the request with the POST verb, because other verbs - most notably "GET" - do not contain a body. One simple web service that accepts a binary file is the Cognitive Serv...
原文地址: http://davidgiard.com/2019/07/16/PassingABinaryFileToAWebServiceFromANETApp.aspx