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"/>
