我有一个后拦截器。当控制层执行并返回信息时,将执行后拦截器。这时候,全局异常处理会捕捉到post-interceptor中的异常,并返回提示信息。使用“postman”来测试和控制层和全局异常处理的信息同时返回。这真的回来了吗?我写了一个测试示例。同样的情况,只返回控制层的信息。我认为它应该返回全局异常处理的信息。
控制器
@RestController
@RequestMapping("/v1/book")
@Validated
public class BookController {
private final BookService bookService;
public BookController(BookService bookService) {
this.bookService = bookService;
}
@GetMapping("/search")
public R searchBook(@RequestParam(value = "q", required = false, defaultValue = "") String q) {
return R.select(bookService.getBookByKeyword(q));
}
}
拦截器
public class LogInterceptor extends HandlerInterceptorAdapter {
public LogInterceptor(LoggerResolver loggerResolver) {
this.loggerResolver = loggerResolver;
}
@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) {
// There will be a runtime exception here
}
}
全局异常处理
@Order
@RestControllerAdvice
@Slf4j
public class RestExceptionHandler {
/**
* Exception
*/
@ExceptionHandler({Exception.class})
public R processException(Exception exception) {
log.error("", exception);
return R.error();
}
}
结果
{
"code": 200,
"data": [
// ...
],
"type": "success",
"message": "OK"
}{
"code": 500,
"type": "error",
"message": "Internal Server Error"
}
"R extends HashMap
答案 0 :(得分:0)
看着你的代码片段,我不确定 searchBook 和 processException 中的那些 R 是什么
试试这个(编辑 processException 以满足您的规格):
@GetMapping("/search")
public ResponseEntity<?> searchBook(@RequestParam(value = "q", required = false, defaultValue = "") String q) {
return new ResponseEntity<>(bookService.getBookByKeyword(q), HttpStatus.OK);
}
@ExceptionHandler({Exception.class})
public ResponseEntity<?> processException(Exception exception) {
return new ResponseEntity<>(new ErrorDTO(exception.getMessage()), HttpStatus.UNPROCESSABLE_ENTITY);
}