import org.springframework.ui.Model; import org.springframework.web.bind.WebDataBinder; import org.springframework.web.bind.annotation.ControllerAdvice; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.InitBinder; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.context.request.WebRequest; import org.springframework.web.servlet.ModelAndView; /** * @author Kevin * @description * @date 2016/7/4 */ @ControllerAdvice public class DemoHandlerAdvice { // 定義全局異常處理,value屬性能夠過濾攔截條件,此處攔截全部的Exception @ExceptionHandler(value = Exception.class) public ModelAndView exception(Exception exception, WebRequest request) { ModelAndView mv = new ModelAndView("error"); mv.addObject("errorMessage", exception.getMessage()); return mv; } // 此處將鍵值對添加到全局,註解了@RequestMapping的方法均可以得到此鍵值對 @ModelAttribute public void addAttributes(Model model){ model.addAttribute("msg","額外的信息"); } // 此處僅演示忽略request中的參數id @InitBinder public void initBinder(WebDataBinder webDataBinder){ webDataBinder.setDisallowedFields("id"); } }
控制器java
import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.RequestMapping; /** * @author Kevin * @description * @date 2016/7/4 */ @Controller public class DemoController { @RequestMapping("/advice") public String advice(@ModelAttribute("msg") String msg) throws Exception { throw new Exception("參數錯誤" + msg); } }
控制器中拋出的異常將被自定義全局異常捕獲,並返回至error頁面。web