spring mvc统一处理异常

package com.mkyong.web.controller; import java.io.IOException; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.servlet.ModelAndView; import com.mkyong.web.exception.CustomAjaxGenericException; import com.mkyong.web.exception.CustomGenericException; @Controller public class MainController { /* @RequestMapping(value = "/{type:.+}", method = RequestMethod.GET) public ModelAndView getPages(@PathVariable("type") String type) throws Exception { if ("error".equals(type)) { // go handleCustomException throw new CustomGenericException("E888", "This is custom message"); } else if ("io-error".equals(type)) { // go handleAllException throw new IOException(); } else { return new ModelAndView("index").addObject("msg", type); } } */ @RequestMapping(value = "view", method = RequestMethod.GET) public ModelAndView view(){ throw new CustomGenericException("-1", "我是一个异常信息"); } @RequestMapping(value = "ajax", method = RequestMethod.GET) //@ResponseBody public void getAjax() { throw new CustomAjaxGenericException("-1", "我是一个异常信息"); } /* @ExceptionHandler(CustomGenericException.class) public ModelAndView handleCustomException(CustomGenericException ex) { ModelAndView model = new ModelAndView("error/generic_error"); model.addObject("errCode", ex.getErrCode()); model.addObject("errMsg", ex.getErrMsg()); return model; } @ExceptionHandler(Exception.class) public ModelAndView handleAllException(Exception ex) { ModelAndView model = new ModelAndView("error/generic_error"); model.addObject("errMsg", "this is Exception.class"); return model; }*/ }