io.github.openfeign
                   
       
        feign-core
                   
       
        9.5.0
               
              
                  
       
        io.github.openfeign
                   
       
        feign-gson
                   
       
        9.5.0
               
                  
     

@RestControllerpublic class MyRestController {	@RequestMapping(value = "/person/{id}", method = RequestMethod.GET, 			produces = MediaType.APPLICATION_JSON_VALUE)	public Person getPerson(@PathVariable Integer id) {		Person p = new Person();		p.setId(id);		p.setName("angus");		p.setAge(30);		return p;	}}

　　

public interface HelloClient {    @RequestLine("GET /hello")    public String hello();        @RequestLine("GET /person/{id}")    public Person getPerson(@Param("id") Integer id);}

public static void main(String[] args) {		HelloClient client = Feign.builder().target(HelloClient.class,				"http://localhost:8080");		String result = client.hello();		System.out.println(result);	}

　　

public static void main(String[] args) {        HelloClient client = Feign.builder()                .decoder(new GsonDecoder())                .target(HelloClient.class,                "http://localhost:8080");        Person p = client.getPerson(1);        System.out.println(p.getId());        System.out.println(p.getName());        System.out.println(p.getAge());    }