WebFlux系列(十)WebClient 异常处理

@GetMapping(value = "employees", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
public Flux<Employee> findAll() {
  return WebClient.create("localhost:8080/employees")
      .get()
      .retrieve()
      .onStatus(HttpStatus::is5xxServerError, clientResponse -> {
        return Mono.error(new Cum5xxException(clientResponse.statusCode().value() + " error code"));
      })
      .onStatus(HttpStatus::is4xxClientError, clientResponse -> {
        return Mono.error(new Cum4xxException(clientResponse.statusCode().value() + " error code"));
      })
      .onStatus(HttpStatus::isError, clientResponse -> {
        return Mono.error(new Cum4xxException(clientResponse.statusCode().value() + " error code"));
      })
      .bodyToFlux(Employee.class);
}