Refine multipart form.

examples/file_upload_client.cc

@@ -55,7 +55,7 @@ int main(int argc, char* argv[]) {
     auto r = session.Request(webcc::HttpRequestBuilder{}.Post().
                              Url(url).
                              File("file", upload_dir / "remember.txt").
-                             Form("text", "text default")
+                             Form("json", "{}", "application/json")
                              ());
 
     //std::cout << r->content() << std::endl;

examples/file_upload_server.cc

@@ -11,12 +11,12 @@ class FileUploadService : public webcc::RestService {
 public:
   void Handle(const webcc::RestRequest& request,
               webcc::RestResponse* response) final {
-    if (request.http->method() == webcc::http::methods::kPost) {
+    if (request.http->method() == "POST") {
       std::cout << "files: " << request.http->form_parts().size() << std::endl;
 
-      for (auto& file : request.http->form_parts()) {
-        std::cout << "name: " << file.name() << std::endl;
-        std::cout << "data: " << std::endl << file.data() << std::endl;
+      for (auto& part : request.http->form_parts()) {
+        std::cout << "name: " << part.name() << std::endl;
+        std::cout << "data: " << std::endl << part.data() << std::endl;
       }
 
       response->content = "OK";