@RequestMapping("/quick7")@ResponseBodypublic String quickMethod7() throws IOException { User user = new User(); user.setUsername("zhangsan"); user.setAge(18); ObjectMapper objectMapper = new ObjectMapper(); String s = objectMapper.writeValueAsString(user); return s;}
@RequestMapping("/quick8")@ResponseBodypublic User quickMethod8() throws IOException { User user = new User(); user.setUsername("zhangsan"); user.setAge(18); return user;}