如何在Postman中查看Spring 5 Reactive API的响应？ [英] How to view response from Spring 5 Reactive API in Postman?

问题描述

我的应用程序中有下一个端点：

I have next endpoint in my application:

@GetMapping(value = "/users")
public Mono<ServerResponse> users() {
    Flux<User> flux = Flux.just(new User("id"));
    return ServerResponse.ok()
            .contentType(APPLICATION_JSON)
            .body(flux, User.class)
            .onErrorResume(CustomException.class, e -> ServerResponse.notFound().build());
}

当前，我可以看到文本 data： 作为正文，在邮递员中使用 Content-Type→文本/事件流。据我了解， Mono< ServerResponse> 始终使用 SSE（服务器发送事件）返回数据。
是否可以在邮递员客户端中以某种方式查看响应？

Currently I can see text "data:" as a body and Content-Type →text/event-stream in Postman. As I understand Mono<ServerResponse> always return data with SSE(Server Sent Event). Is it possible to somehow view response in Postman client?

推荐答案

似乎您正在混合注释模型和WebFlux中的功能模型。 ServerResponse 类是功能模型的一部分。

It seems you're mixing the annotation model and the functional model in WebFlux. The ServerResponse class is part of the functional model.

以下是在WebFlux中编写带注释的终结点的方法：

Here's how to write an annotated endpoint in WebFlux:

@RestController
public class HomeController {

    @GetMapping("/test")
    public ResponseEntity serverResponseMono() {
        return ResponseEntity
                .ok()
                .contentType(MediaType.APPLICATION_JSON)
                .body(Flux.just("test"));
    }
}

这是现在的功能方式：

@Component
public class UserHandler {

    public Mono<ServerResponse> findUser(ServerRequest request) {
        Flux<User> flux = Flux.just(new User("id"));
        return ServerResponse.ok()
                .contentType(MediaType.APPLICATION_JSON)
                .body(flux, User.class)
                .onErrorResume(CustomException.class, e -> ServerResponse.notFound().build());
    }
}

@SpringBootApplication
public class DemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }


    @Bean
    public RouterFunction<ServerResponse> users(UserHandler userHandler) {
        return route(GET("/test")
                  .and(accept(MediaType.APPLICATION_JSON)), userHandler::findUser);
    }

}

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