fix(oapi): Inconsistent separator in some oapi macros (#1017)

* fix(oapi): Inconsistent separator in some oapi macros

* Format Rust code using rustfmt

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

crates/oapi-macros/src/response/mod.rs

@@ -574,6 +574,10 @@ impl Parse for DeriveToResponsesValue {
             return Err(Error::new(first_span, MISSING_STATUS_ERROR));
         }
 
+        if !input.is_empty() {
+            input.parse::<Token![,]>()?;
+        }
+
         while !input.is_empty() {
             let ident = input.parse::<Ident>()?;
             let attr_name = &*ident.to_string();

examples/__oapi-test/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "example-oapi-test"
+version.workspace = true
+edition.workspace = true
+publish.workspace = true
+
+
+[dependencies]
+salvo = { workspace = true, features = ["oapi"] }
+tokio = { workspace = true, features = ["macros"] }
+tracing.workspace = true
+tracing-subscriber.workspace = true
+serde = { workspace = true }

examples/__oapi-test/src/main.rs

@@ -0,0 +1,34 @@
+use salvo::oapi::extract::*;
+use salvo::prelude::*;
+use serde::*;
+
+#[derive(Debug, Serialize, Deserialize, ToResponses)]
+pub enum GeneralError {
+    #[salvo(response(status_code = 400, description = "Bad Request"))]
+    BadRequest(String),
+    #[salvo(response(status_code = 429, description = "Rate Limit Exceeded"))]
+    RateLimit { message: String, retry_after: u64 },
+    #[salvo(response(status_code = 500, description = "Something went wrong"))]
+    InternalServerError(String),
+}
+
+#[endpoint]
+async fn hello(name: QueryParam<String, false>) -> String {
+    format!("Hello, {}!", name.as_deref().unwrap_or("World"))
+}
+
+#[tokio::main]
+async fn main() {
+    tracing_subscriber::fmt().init();
+
+    let router = Router::new().push(Router::with_path("hello").get(hello));
+
+    let doc = OpenApi::new("test api", "0.0.1").merge_router(&router);
+
+    let router = router
+        .unshift(doc.into_router("/api-doc/openapi.json"))
+        .unshift(SwaggerUi::new("/api-doc/openapi.json").into_router("/swagger-ui"));
+
+    let acceptor = TcpListener::new("0.0.0.0:5800").bind().await;
+    Server::new(acceptor).serve(router).await;
+}