dubbo统一异常处理，调用方只显示封装后的异常。

1、返回封装后的Exception

2、返回封装后的统一返回信息

import org.aspectj.lang.annotation.AfterThrowing;

import org.aspectj.lang.annotation.Aspect;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.stereotype.Component;

import com.midea.jr.commons.utils.BeanUtils;

import com.midea.jr.efc.edp.common.bean.Response;

import com.midea.jr.efc.edp.common.enums.ResponseCodeEnum;

import com.midea.jr.efc.edp.common.exception.BizException;

/**

*

Project:

*

Module:

*

Description:

*

* @author wangzy25

* @date 2017年6月12日 上午10:07:58

*/

@Component

@Aspect

public class DubboExceptionInterceptor {

private static final Logger LOGGER = LoggerFactory.getLogger(DubboExceptionInterceptor.class);

@AfterThrowing(throwing="ex",pointcut="execution(* com.midea.jr.efc.edp.api.service.**.*(..))")

public BizException handle(Exception ex){

LOGGER.error("Intercept dubbo exception:{}", ex.getMessage(), ex);

if(ex instanceof BizException){

throw (BizException)ex;

}

//如果是非包装异常，则包装成统一的内部异常

throw new BizException(ResponseCodeEnum.EXCEPTION_INTERAL);

}

@AfterThrowing(throwing="ex",pointcut="execution(* com.midea.jr.efc.edp.api.service.**.*(..))")

public Response> handle(Exception ex){

Response> response = new Response<>();

LOGGER.error("intercept ServiceException:{}", ex.getMessage(), ex);

if(ex instanceof BizException){

BeanUtils.copyProperties( ex, response );

return response;

}

//如果是非包装异常，则包装成统一的内部异常

return new Response<>(ResponseCodeEnum.EXCEPTION_INTERAL);

}

}