Spring Boot Tutorial Nine: Capturing Global Exceptions (ii)

1, in the implementation of @requestmapping, before entering the logical processing stage. For example, the parameter type error is passed

@ControllerAdviceresponseentityexceptionhandler{
   
    /**
     * Before the contents of controller are executed, Check some of the parameters do not match ah, get post method is not AH or
    @Override
    responseentity<object> Handleexceptioninternal (Exception ex, Object body, httpheaders headers, httpstatus status, WebRequest request)
        c10>responseentity<object> (apiresult (resultcode).  Method_not_allowed. GetCode (), Resultmessage. method_not_allowed. GetMessage ()), status);

    }

2, before entering the controller, such as requesting a non-existent address, 404 errors.

 @RestController  public class  Finalexceptionhandler  implements  Errorcontroller {@Override  public  String Geterrorpath () { return 
   /error ; @RequestMapping (value = /error ) @ResponseBody  public  apiresult error (HttpS Ervletresponse resp, httpservletrequest req) {//error-handling logic  return new  Apiresult (resultcode.
  
   no_url . GetCode (), Resultmessage.
   
    No_url . GetMessage ()); }

}