JW-log4j

log4j 日志记录插件

引入jar包

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
        </dependency>

log4j.properties

#打印INFO,A3,STDOUT信息
log4j.rootLogger=INFO,A3,STDOUT

#不写入文件
log4j.appender.STDOUT=org.apache.log4j.ConsoleAppender
log4j.appender.STDOUT.layout=org.apache.log4j.PatternLayout
log4j.appender.STDOUT.layout.ConversionPattern=[%p] [%l] %10.10c - %m%n

#写入文件
log4j.appender.A3=org.apache.log4j.RollingFileAppender
log4j.appender.A3.file=logs/server.log
log4j.appender.A3.MaxFileSize=1024KB
log4j.appender.A3.MaxBackupIndex=10
log4j.appender.A3.layout=org.apache.log4j.PatternLayout
log4j.appender.A3.layout.ConversionPattern=\n\n[%-5p] %d{yyyy-MM-dd HH\:mm\:ss,SSS} method\:%l%n%m%n

GlobalExceptionResolver.java

/**
 * 全局异常处理器
 * <p>Title: GlobalExceptionResolver</p>
 * <p>Description: </p>
 * <p>Company: www.itcast.cn</p> 
 * @version 1.0
 */
public class GlobalExceptionResolver implements HandlerExceptionResolver {
    
    private static final Logger logger = LoggerFactory.getLogger(GlobalExceptionResolver.class); 

    @Override
    public ModelAndView resolveException(HttpServletRequest request, HttpServletResponse response, Object handler,
            Exception ex) {
        //打印控制台
        ex.printStackTrace();
        //写日志
        logger.debug("测试输出的日志。。。。。。。");
        logger.info("系统发生异常了。。。。。。。");
        logger.error("系统发生异常", ex);
        //发邮件、发短信
        //使用jmail工具包。发短信使用第三方的Webservice。
        //显示错误页面
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.setViewName("error/exception");
        return modelAndView;
    }

}

springmvc.xml

    <!-- 全局异常处理器 -->
    <bean class="cn.e3mall.search.exception.GlobalExceptionResolver"/>