JAVA项目做API，SpringMVC拦截异常并返回Json_java后端报错直接拦截返回具体的json

public class ExceptionHandler implements HandlerExceptionResolver {


@Override
public ModelAndView resolveException(HttpServletRequest request,
HttpServletResponse response, Object handler, Exception ex) {
Logger.getLogger(ex.getClass()).error("异常", ex);
// 输出错误Json
ModelAndView mav = new ModelAndView();
MappingJackson2JsonView view = new MappingJackson2JsonView();
Map<String, Object> result = new HashMap<String, Object>();
result.put("Code", -1);
result.put("Message",