如何使用额外的@RequestBody 在 POST 请求中将 Pageable 传递给 Feign Client [英] How to pass Pageable to Feign Client in POST Request with additional @RequestBody

问题描述

我尝试在 Spring 中为我的 REST 服务控制器创建一个伪装客户端.

I tried to create a feign client for my REST service controller in Spring.

@PostMapping("/search")
public Page<MeasureDto> searchMeasures(@RequestBody MeasureDto example, Pageable pageable) {
    ...
}

客户端看起来像这样:

@PostMapping("/search")
public Page<MeasureDto> searchMeasures(@RequestHeader("apiKey") String apiKey, @RequestBody MeasureDto example, Pageable pageable);

运行测试时抛出以下异常:

Following exception is thrown when running a test:

Caused by: java.lang.IllegalStateException: Method has too many Body parameters: public abstract org.springframework.data.domain.Page com.foo.bar.jobservice.client.MeasureServiceClient.searchMeasures(java.lang.String,com.example.foo.jobservice.client.dto.MeasureDto,org.springframework.data.domain.Pageable)

Caused by: java.lang.IllegalStateException: Method has too many Body parameters: public abstract org.springframework.data.domain.Page com.foo.bar.jobservice.client.MeasureServiceClient.searchMeasures(java.lang.String,com.example.foo.jobservice.client.dto.MeasureDto,org.springframework.data.domain.Pageable)

我已经知道/尝试过的:

What I already know/tried:

github 上有一个封闭问题:https://github.com/spring-cloud/spring-cloud-netflix/issues/556

There is a closed issue on github: https://github.com/spring-cloud/spring-cloud-netflix/issues/556

本应解决问题的提交问题:

The issue with the commit that should have resolved the problem:

https://github.com/spring-cloud/spring-cloud-openfeign/issues/26

提交:

https://github.com/spring-cloud/spring-cloud-openfeign/commit/6e0e63644ba34193f03c2cd74391cac73b9bfdb4

我配置了什么:

import feign.codec.Encoder;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.cloud.openfeign.support.PageJacksonModule;
import org.springframework.cloud.openfeign.support.PageableSpringEncoder;
import org.springframework.cloud.openfeign.support.SpringEncoder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@EnableFeignClients
@Configuration
public class FeignConfig {

    @Bean
    public PageJacksonModule pageJacksonModule() {
        return new PageJacksonModule();
    }

    @Autowired
    private ObjectFactory<HttpMessageConverters> messageConverters;

    @Bean
    public Encoder feignEncoder() {
        return new PageableSpringEncoder(new SpringEncoder(messageConverters));
    }
}

还是不行.

我正在使用什么:

<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.1.RELEASE</version>

<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
<version>2.2.3.RELEASE</version>

我做错了什么?

更新:

我创建了一个可重现的示例:

I created a reproducable example:

https://github.com/manuelwaltschek/mre.git

启动客户端服务或调用spring/spring-cloud-openfeign/375-pageable-not-working/parent/client/src/test/java/com/example/client/HelloServiceClientTest.java

Start up the client service or call spring/spring-cloud-openfeign/375-pageable-not-working/parent/client/src/test/java/com/example/client/HelloServiceClientTest.java

github 上的未解决问题:https://github.com/spring-cloud/spring-cloud-openfeign/问题/375https://github.com/spring-cloud/spring-cloud-openfeign/issues/385

Open issues on github: https://github.com/spring-cloud/spring-cloud-openfeign/issues/375 https://github.com/spring-cloud/spring-cloud-openfeign/issues/385

基本上我想知道如何将可分页传递给伪装客户端.也许将其编码在 url 参数中?

Basically I want to know how to pass the pageable to the feign client. Maybe encode it in url params?

相关问题:如何将 Spring Pageable 传递给 FeignClient

推荐答案

我现在在客户端界面中的 Pageable 参数上使用 org.springframework.cloud.openfeign.SpringQueryMap 注释发送查询 url 参数中的可分页

I'm now sending the pageable in query url params with org.springframework.cloud.openfeign.SpringQueryMap annotation on my Pageable Parameter in the Client interface

@PostMapping("/search")
public Page<HelloDto> searchHellos(@RequestHeader("apiKey") String apiKey, @RequestBody HelloDto example, @SpringQueryMap Pageable pageable);

这篇关于如何使用额外的@RequestBody 在 POST 请求中将 Pageable 传递给 Feign Client的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！