springmvc错误统一处理

public class MyExceptionHandler implements HandlerExceptionResolver {
private static Logger logger = LoggerFactory.getLogger(MyExceptionHandler.class);
public ModelAndView resolveException(HttpServletRequest request,
HttpServletResponse response, Object handler, Exception ex) {

Map<String, Object> model = new HashMap<String, Object>();
model.put("ex", ex);
logger.error("发生错误",ex);
// 判断是否是ajax请求
String requestType = request.getHeader("X-Requested-With");
if (requestType == null) {
// 普通请求
return new ModelAndView("error", model);
} else {
return new ModelAndView(new MappingJackson2JsonView(), "error",ex.toString());
}
}
}

<bean id="exceptionHandler" class="cn.ce.ebiz.ndesign.interceptor.MyExceptionHandler"/>