Spring Cloud - Feign RequestInterceptor 拦截器

代码案例

package com.chinadaas.platform.dsp.kernel.common.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import lombok.extern.slf4j.Slf4j;

@Slf4j
public class FeignConfig implements RequestInterceptor {

    @Override
    public void apply(RequestTemplate template) {
        
    }
}

• 实现接口代码

package com.chinadaas.platform.dsp.kernel.common.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Slf4j
@Configuration
public class FeignHandler {

    @Bean
    public RequestInterceptor requestInterceptor() {
        return template -> {
            
        };
    }
}

• 注解方式代码

配置方案

1、yml 配置：feign.client.config.default.requestInterceptors （会覆盖 Java 配置方式）

feign:
  client:
    config:
      default:
        connectTimeout: 60000
        readTimeout: 60000
        requestInterceptors:
          - com.chinadaas.platform.dsp.kernel.common.config.FeignConfig

2、Application.java 全局配置：@EnableFeignClients 属性 defaultConfiguration = XXX.class

@EnableFeignClients(defaultConfiguration = FeignConfig.class)

3、注解配置：@Configuration + @Bean

• 如上注解方式代码

4、@FeignClient 配置：属性 configuration = XXX.class

@FeignClient(configuration = FeignHandler.class)

注意：FeignConfig 一定是在消费者使用，而不是放在提供者！