spring mvc全局异常处理

package com.qmtt.config;

import javax.servlet.http.HttpServletRequest;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;

import com.qmtt.common.BizException;
import com.qmtt.common.JsonRet;

/**
 * @author admin 2017年4月6日 全局异常处理
 */
@ControllerAdvice
public class GlobalExceptionHandler {
    private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);
    // public static final String DEFAULT_ERROR_VIEW = "error";
    //
    // /**
    // * 返回错误页面
    // *
    // * @param req
    // * @param e
    // * @return
    // * @throws Exception
    // */
    // @ExceptionHandler(value = Exception.class)
    // public ModelAndView defaultErrorHandler(HttpServletRequest req, Exception
    // e) throws Exception {
    // ModelAndView mav = new ModelAndView();
    // mav.addObject("exception", e);
    // mav.addObject("url", req.getRequestURL());
    // mav.setViewName(DEFAULT_ERROR_VIEW);
    // return mav;
    // }

    /**
     * 处理异常，返回
     * 
     * @param req
     * @param e
     * @return
     * @throws Exception
     */
    @ExceptionHandler(value = BizException.class)
    @ResponseBody
    public Object jsonErrorHandler(HttpServletRequest req, BizException e) throws Exception {
        log.error("", e);
        JsonRet ret = new JsonRet();
        ret.setBizException(e);
        return ret;
    }

    @ExceptionHandler(value = Exception.class)
    @ResponseBody
    public Object jsonErrorHandler(HttpServletRequest req, Exception e) throws Exception {
        log.error("", e);
        JsonRet ret = new JsonRet();
        ret.setException(e);
        return ret;
    }
}