java - 带有文本/html 响应的响应式(Reactive) WebClient GET 请求

Question

目前我在使用新的 Spring 5 WebClient 时遇到了问题，我需要一些帮助来解决它。 问题是:

I request some url that returns json response with content type text/html;charset=utf-8.

But unfortunately I’m still getting an exception: org.springframework.web.reactive.function.UnsupportedMediaTypeException: Content type 'text/html;charset=utf-8' not supported. So I can’t convert response to DTO.

对于请求，我使用以下代码:

Flux<SomeDTO> response = WebClient.create("https://someUrl")
                .get()
                .uri("/someUri").accept(MediaType.APPLICATION_JSON)
                .retrieve()
                .bodyToFlux(SomeDTO.class);

response.subscribe(System.out::println);

顺便说一句，我在接受 header 中指向哪种类型并不重要，总是返回 text/html。那么我怎样才能最终转换我的回复呢？

Answer 1

正如前面的答案中提到的，您可以使用exchangeStrategies方法，

示例:

            Flux<SomeDTO> response = WebClient.builder()
                .baseUrl(url)
                .exchangeStrategies(ExchangeStrategies.builder().codecs(this::acceptedCodecs).build())
                .build()
                .get()
                .uri(builder.toUriString(), 1L)
                .retrieve()
                .bodyToFlux( // .. business logic


private void acceptedCodecs(ClientCodecConfigurer clientCodecConfigurer) {
    clientCodecConfigurer.customCodecs().encoder(new Jackson2JsonEncoder(new ObjectMapper(), TEXT_HTML));
    clientCodecConfigurer.customCodecs().decoder(new Jackson2JsonDecoder(new ObjectMapper(), TEXT_HTML));
}