总错误处理，是为了在程序运行时代码出错能及时在控制台看出错误信息。

 

1.

springMVC配置文件中：

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2.controller包中：

新建类FrameControllerAdvice

package isa.qa.frame.controller;import org.apache.log4j.Logger;import org.springframework.http.HttpStatus;import org.springframework.http.ResponseEntity;import org.springframework.web.bind.annotation.ControllerAdvice;import org.springframework.web.bind.annotation.ExceptionHandler;import org.springframework.web.context.request.NativeWebRequest;@ControllerAdvicepublic class FrameControllerAdvice {    protected static Logger logger = Logger.getLogger(FrameControllerAdvice.class);    @ExceptionHandler(Exception.class)    //@ResponseStatus(HttpStatus.BAD_REQUEST)    public ResponseEntity
     
       processUnauthenticatedException(NativeWebRequest request,Exception e) {        logger.error(e.getMessage());        e.printStackTrace();        return new ResponseEntity
      
       (HttpStatus.INTERNAL_SERVER_ERROR);    }}