Feign简介
Feign是Netflix开发的声明式,模板化的HTTP客户端.
- FeignClientsConfiguration 配置文件
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| @FeignClient( "aidijing-user-service" )
public interface UserFeignClient {
@GetMapping( "api/users/{id}" )
User get ( @PathVariable("id") Long id );
}
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| @RestController
@RequestMapping( "users" )
public class IndexController {
@Autowired
private UserFeignClient userFeignClient;
@GetMapping( "{id}" )
public User get ( @PathVariable Long id ) {
return userFeignClient.get( id );
}
}
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| @SpringBootApplication
@EnableDiscoveryClient
@EnableFeignClients
public class AidijingEurekaClientApplication extends SpringBootServletInitializer {
public static void main ( String[] args ) {
SpringApplication.run( AidijingEurekaClientApplication.class, args );
}
protected SpringApplicationBuilder configure ( SpringApplicationBuilder application ) {
return application.sources( AidijingEurekaClientApplication.class );
}
}
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