WebFlux系列WebClient 异常处理

Posted 2020-11-24 JAVA微编程

#Java#Spring#WebFlux#Reactor#WebClient#异常处理#

WebClient 异常处理

视频讲解: https://www.bilibili.com/video/av83495354/

 

代码:

@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);
}

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