Spring Cloud服务间调用，FeignClient

package hjc;

import org.springframework.cloud.netflix.feign.FeignClient;
import org.springframework.web.bind.annotation.*;

/**
*/
//configuration = xxx.class 这个类配置Hystrix的一些精确属性
//value=“你用到的服务名称”

@FeignClient(value = “hello-service”)
public interface FeignService {
　　//服务中方法的映射路径
@RequestMapping("/hello")
String hello();

@RequestMapping(value = "/hellol", method= RequestMethod.GET)
String hello(@RequestParam("name") String name) ;

@RequestMapping(value = "/hello2", method= RequestMethod.GET)
User hello(@RequestHeader("name") String name, @RequestHeader("age") Integer age);

@RequestMapping(value = "/hello3", method= RequestMethod.POST)
String hello(@RequestBody User user);

}

public String helloConsumer2(){
String r1 = feignService.hello(“hjc”);
String r2 = feignService.hello(“hjc”, 23).toString();
String r3 = feignService.hello(new User(“hjc”, 23));
return r1 + “-----” + r2 + “----” + r3;
}