添加依赖

<dependency>
  <groupId>nxcloud.foundation</groupId>
  <artifactId>foundation-feign-client</artifactId>
</dependency>

创建 Client

package nxcloud.sample.simple.feign.client.service;

import lombok.Builder;
import lombok.Data;
import nxcloud.foundation.feign.base.response.R;
import nxcloud.foundation.feign.client.config.FeignClientConfig;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestParam;

/**
 * author: sunshow.
 */
@FeignClient(value = "nxcloud-simple-gateway", configuration = FeignClientConfig.class)
public interface FeignTestClient {

    @GetMapping(value = "/test/get")
    R<Response> testGet();

    @GetMapping(value = "/test/exception/runtime")
    R<Response> testRuntimeException();

    @GetMapping(value = "/test/exception/code")
    R<Response> testCodeException();

    @PostMapping(value = "/test/post/param")
    R<String> testPostWithParam(@RequestParam("param") String param);

    @PostMapping(value = "/test/post/body")
    R<Response> testPostWithBody(@RequestBody Request request);

    @Data
    @Builder
    class Request {
        String param;
    }

    @Data
    class Response {
        String content;
    }

}