来自POST的Spring框架响应

@Controller
public class MyController {
    @RequestMapping(value = "/example", method = RequestMethod.POST)
    @ResponseBody
    public String handlePostRequest() {
        return "Hello, World!";
    }
}

@Controller
public class MyController {
    @RequestMapping(value = "/example", method = RequestMethod.POST)
    @ResponseBody
    public Map<String, Object> handlePostRequest() {
        Map<String, Object> response = new HashMap<>();
        response.put("message", "Hello, World!");
        response.put("status", 200);
        return response;
    }
}

@Controller
public class MyController {
    @RequestMapping(value = "/example", method = RequestMethod.POST)
    @ResponseBody
    public MyObject handlePostRequest() {
        MyObject object = new MyObject();
        object.setMessage("Hello, World!");
        object.setStatus(200);
        return object;
    }
}