Springmvc异常处理器及拦截器实现代码

2023-07-14 07:23:03 74

packagecom.wuxi.exceptions; importorg.springframework.web.servlet.HandlerExceptionResolver; importorg.springframework.web.servlet.ModelAndView; importjavax.servlet.http.HttpServletRequest; importjavax.servlet.http.HttpServletResponse; publicclassRequestExceptionResolverimplementsHandlerExceptionResolver{ @Override publicModelAndViewresolveException(HttpServletRequesthttpServletRequest,HttpServletResponsehttpServletResponse,Objecto,Exceptione){ ModelAndViewmv=newModelAndView(); mv.addObject("errorMsg",e.getMessage());//错误信息 mv.setViewName("error");//请求转发的页面 returnmv; } }

packagecom.wuxi.interceptors; importorg.springframework.web.servlet.HandlerInterceptor; importorg.springframework.web.servlet.ModelAndView; importjavax.servlet.http.HttpServletRequest; importjavax.servlet.http.HttpServletResponse; publicclassControllerInterceptorimplementsHandlerInterceptor{ @Override publicbooleanpreHandle(HttpServletRequestrequest,HttpServletResponseresponse,Objecthandler)throwsException{ System.out.println("controller的方法执行之前执行"); returntrue;//true：放行；false：拦截 } @Override publicvoidpostHandle(HttpServletRequestrequest,HttpServletResponseresponse,Objecthandler,ModelAndViewmodelAndView)throwsException{ System.out.println("controller的方法执行之后执行"); } @Override publicvoidafterCompletion(HttpServletRequestrequest,HttpServletResponseresponse,Objecthandler,Exceptionex)throwsException{ System.out.println("jsp执行之后执行"); } }

Springmvc异常处理器及拦截器实现代码

热门推荐

随机推荐