接口返回格式统一，配置异常拦截对象

package com.example.demo.common; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.RestControllerAdvice; //统一拦截异常 @RestControllerAdvice(basePackages = "com.example.demo") public class ExceptionAdvice { /** * 捕获 {@code BusinessException} 异常 *//* @ExceptionHandler({BusinessException.class}) public Result<?> handleBusinessException(BusinessException ex) { return Result.failed(ex.getMessage()); } *//** * 捕获 {@code ForbiddenException} 异常 *//* @ExceptionHandler({ForbiddenException.class}) public Result<?> handleForbiddenException(ForbiddenException ex) { return Result.failed(ResultEnum.FORBIDDEN); } *//** * {@code @RequestBody} 参数校验不通过时抛出的异常处理 *//* @ExceptionHandler({MethodArgumentNotValidException.class}) public Result<?> handleMethodArgumentNotValidException(MethodArgumentNotValidException ex) { BindingResult bindingResult = ex.getBindingResult(); StringBuilder sb = new StringBuilder("校验失败:"); for (FieldError fieldError : bindingResult.getFieldErrors()) { sb.append(fieldError.getField()).append("：").append(fieldError.getDefaultMessage()).append(", "); } String msg = sb.toString(); if (StringUtils.hasText(msg)) { return Result.failed(ResultEnum.VALIDATE_FAILED.getCode(), msg); } return Result.failed(ResultEnum.VALIDATE_FAILED); } *//** * {@code @PathVariable} 和 {@code @RequestParam} 参数校验不通过时抛出的异常处理 *//* @ExceptionHandler({ConstraintViolationException.class}) public Result<?> handleConstraintViolationException(ConstraintViolationException ex) { if (StringUtils.hasText(ex.getMessage())) { return Result.failed(ResultEnum.VALIDATE_FAILED.getCode(), ex.getMessage()); } return Result.failed(ResultEnum.VALIDATE_FAILED); } */ /** * 顶级异常捕获并统一处理，当其他异常无法处理时候选择使用 */ @ExceptionHandler({Exception.class}) public Result<?> handle(Exception ex) { return Result.failed(ex.getMessage()); } }