maven

        <dependency>
            <groupId>io.github.openfeign</groupId>
            <artifactId>feign-okhttp</artifactId>
        </dependency>

配置文件

feign.httpclient.enabled=false
feign.okhttp.enabled=true

配置

@Configuration
@ConditionalOnClass(Feign.class)
@AutoConfigureBefore(FeignAutoConfiguration.class)
public class FeignOkHttpConfig {

    @Autowired
    OkHttpLoggingInterceptor okHttpLoggingInterceptor;

    @Bean
    public okhttp3.OkHttpClient okHttpClient(){
        return new okhttp3.OkHttpClient.Builder()
            .readTimeout(60, TimeUnit.SECONDS) 
            .connectTimeout(60, TimeUnit.SECONDS) 
            .writeTimeout(120, TimeUnit.SECONDS) 
            .connectionPool(new ConnectionPool())
            // .addInterceptor();
            .build();
    }
}

doc

• 使用Spring Cloud Feign作為HTTP客戶端調(diào)用遠程HTTP服務(wù)