Spring Cloud feign使用okhttp3

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spring cloud feign使用okhttp3

指南

maven

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

配置文件

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

配置

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@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();
    }
}

实践

不需要额外编写FeignOkHttpConfig，feign本身已经存在FeignOkHttpAutoConfiguration了，不需要额外配置。