Spring @ReponseBody @RequestBody 与抽象类

使用Spring框架开发Web应用程序时，我们经常会遇到需要处理请求和响应的情况。在Spring中，我们可以使用注解@ResponseBody和@RequestBody来处理请求和响应中的数据。

java
@RestController
public class UserController {
    @GetMapping("/user/{id}")
    public User getUser(@PathVariable Long id) {
        User user = userService.getUserById(id);
        return user;
    }
}

java
@RestController
public class UserController {
    @PostMapping("/user")
    public User createUser(@RequestBody User user) {
        userService.createUser(user);
        return user;
    }
}

java
public abstract class BaseController {
    @ExceptionHandler(Exception.class)
    public ResponseEntity handleException(Exception e) {
        // 异常处理逻辑
    }
    @ModelAttribute
    public void addCommonAttributes(Model model) {
        // 添加公共属性
    }
    @InitBinder
    public void initBinder(WebDataBinder binder) {
        // 数据绑定配置
    }
}

java
@RestController
public class UserController {
    @GetMapping("/user/{id}")
    public User getUser(@PathVariable Long id) {
        User user = userService.getUserById(id);
        return user;
    }
    @PostMapping("/user")
    public User createUser(@RequestBody User user) {
        userService.createUser(user);
        return user;
    }
}