欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页

全局异常捕获处理

程序员文章站 2022-04-21 17:56:42
...
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.exception.ExceptionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.orm.jpa.JpaOptimisticLockingFailureException;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.ModelAndView;

import com.xqx.fdczzxt.exception.ParameterCheckException;

/**
 * spring mvc 全局异常捕获处理
 * @author Wtao
 *
 */
@Component
public class GloableExceptionHandler implements HandlerExceptionResolver {
	final Logger log = LoggerFactory.getLogger(GloableExceptionHandler.class);

	@Override
	public ModelAndView resolveException(HttpServletRequest request,
			HttpServletResponse response, Object handler, Exception ex) {

		//异常日志记录级别设定
		if(ex instanceof ParameterCheckException){
			//业务参数异常只做warn级别日志
			log.warn(ex.getMessage(),ex);
		}else{
			log.error(ex.getMessage(),ex);
		}
		
		//特殊异常提示
		String tip = "出错了";
		
		//乐观锁更新冲突
		if(ex instanceof JpaOptimisticLockingFailureException){
			tip = "更新操作冲突,请确保在同一时间只有您一人在操作该条记录。";
		}
		
		//返回页面异常页面("WEB-INF/jsp/error.jsp")
		ModelAndView mv = new ModelAndView("error");
		mv.addObject("exception", ex);
		mv.addObject("stacktrace",ExceptionUtils.getStackTrace(ex));
		mv.addObject("tip", tip);
		return mv;
	}

}