初步实现

include/seafile/seafile_api.hpp

@@ -252,7 +252,7 @@ namespace seafile
                      const std::string& token,
                      const TokenType token_type) const
         {
-            if (const auto download_url = downloadFileUrl(repo_id, path, token, token_type); download_url.has_value())
+            if (auto download_url = downloadFileUrl(repo_id, path, token, token_type); download_url.has_value())
             {
                 const auto auth = makeAuthToken(token, token_type);
                 const auto url = cpr::Url{download_url.value()};
@@ -263,7 +263,7 @@ namespace seafile
                     "bytes={}-{}",
                     start ? std::to_string(*start) : "",
                     end ? std::to_string(*end) : "");
-                header.emplace("range", std::move(range));
+                header.emplace("range", range);
                 const auto response = cpr::Get(url, header);
                 return parseResponse<std::string>(response);
             }