Spring 5 Web Reactive - 我们如何使用WebClient检索Flux中的流数据？

Question

当前里程碑(M4)文档显示了有关如何检索Mono使用的示例和示例WebClient:

WebClient webClient = WebClient.create(new ReactorClientHttpConnector());

ClientRequest<Void> request = ClientRequest.GET("http://example.com/accounts/{id}", 1L)
                .accept(MediaType.APPLICATION_JSON).build();

Mono<Account> account = this.webClient
                .exchange(request)
                .then(response -> response.body(toMono(Account.class)));

我们如何text/event-stream使用WebClient 将流数据(从返回的服务)转换为Flux？它是否支持自动Jackson转换？

这就是我在之前的里程碑中所做的,但API已经改变,无法再找到如何做到这一点:

final ClientRequest<Void> request = ClientRequest.GET(url)
    .accept(MediaType.TEXT_EVENT_STREAM).build();
Flux<Alert> response = webClient.retrieveFlux(request, Alert.class)

Answer 1

这是使用新API实现相同功能的方法:

final ClientRequest request = ClientRequest.GET(url)
        .accept(MediaType.TEXT_EVENT_STREAM).build();
Flux<Alert> alerts = webClient.exchange(request)
        .retrieve().bodyToFlux(Alert.class);

Answer 2

使用Spring 5.0.0.RELEASE，这是您的操作方式：

public Flux<Alert> getAccountAlerts(int accountId){
    String url = serviceBaseUrl+"/accounts/{accountId}/alerts";
    Flux<Alert> alerts = webClient.get()
        .uri(url, accountId)
        .accept(MediaType.APPLICATION_JSON)
        .retrieve()
        .bodyToFlux( Alert.class )
        .log();
    return alerts;
}