从零开始实现放置游戏（五）——实现挂机战斗（3）引入日志功能并实现切面日志

                <?
                xml version="1.0" encoding="UTF-8"
                ?>
                <
                Configuration 
                status
                ="OFF"
                 monitorInterval
                ="1800"
                >
                <
                properties
                >
                <
                property 
                name
                ="LOG_HOME"
                >/logs/idlewow-rms/</property></properties><Appenders><Console name="Console" target="SYSTEM_OUT"><PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/></Console><RollingFile name="info" fileName="${LOG_HOME}/info.log"
                     filePattern="${LOG_HOME}/info-%d{yyyyMMdd}-%i.log"
                     immediateFlush="true"><!-- 只输出level及以上级别的信息（onMatch），其他的直接拒绝（onMismatch） --><ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/><PatternLayout pattern="%d{HH:mm:ss.SSS} %level [%thread][%X{sessionId}][%file:%line] - %msg%n"/><Policies><TimeBasedTriggeringPolicy interval="1" modulate="true"/><SizeBasedTriggeringPolicy size="20 MB"/></Policies></RollingFile><RollingFile name="warn" fileName="${LOG_HOME}/warn.log"
                     filePattern="${LOG_HOME}/warn-%d{yyyyMMdd}-%i.log"
                     immediateFlush="true"><ThresholdFilter level="warn" onMatch="ACCEPT" onMismatch="DENY"/><PatternLayout pattern="%d{HH:mm:ss.SSS} %level [%thread][%X{sessionId}][%file:%line] - %msg%n"/><Policies><TimeBasedTriggeringPolicy interval="1" modulate="true"/><SizeBasedTriggeringPolicy size="20 MB"/></Policies><!-- 同一文件夹下最多保存20个日志文件，默认为7 --><DefaultRolloverStrategy max="20"/></RollingFile><RollingFile name="error" fileName="${LOG_HOME}/error.log"
                     filePattern="${LOG_HOME}/error-%d{yyyyMMdd}-%i.log"
                     immediateFlush="true"><ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/><PatternLayout pattern="%d{HH:mm:ss.SSS} %level [%thread][%X{sessionId}][%file:%line] - %msg%n"/><Policies><TimeBasedTriggeringPolicy interval="1" modulate="true"/><SizeBasedTriggeringPolicy size="20 MB"/></Policies><DefaultRolloverStrategy max="20"/></RollingFile></Appenders><Loggers><!--过滤掉spring和mybatis的一些无用的DEBUG信息--><logger name="org.springframework" level="INFO"></logger><logger name="org.mybatis" level="INFO"></logger><Root level="all"><AppenderRef ref="Console"/><AppenderRef ref="info"/><AppenderRef ref="warn"/><AppenderRef ref="error"/></Root></Loggers></Configuration>

                package
                 com.idlewow.rms.filter;


                import
                 org.apache.logging.log4j.ThreadContext;


                import
                 javax.servlet.Filter;

                import
                 javax.servlet.FilterChain;

                import
                 javax.servlet.FilterConfig;

                import
                 javax.servlet.ServletException;

                import
                 javax.servlet.ServletRequest;

                import
                 javax.servlet.ServletResponse;

                import
                 javax.servlet.http.HttpServletRequest;

                import
                 javax.servlet.http.HttpSession;

                import
                 java.io.IOException;


                public
                class LogSessionFilter implements Filter {
    @Override
    publicvoid init(FilterConfig filterConfig) throws ServletException {
    }

    publicvoid doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        try {
            HttpSession session = ((HttpServletRequest) request).getSession(false);
            if (session != null) {
                ThreadContext.put("sessionId", session.getId());
            }

            chain.doFilter(request, response);
        } finally {
            ThreadContext.remove("sessionId");
        }
    }

    @Override
    publicvoid destroy() {
    }
}

                package
                 com.idlewow.rms.config;


                import
                 com.alibaba.fastjson.JSON;

                import
                 com.idlewow.admin.model.SysAdmin;

                import
                 com.idlewow.rms.controller.BaseController;

                import
                 com.idlewow.rms.vo.RequestLog;

                import
                 org.apache.logging.log4j.LogManager;

                import
                 org.apache.logging.log4j.Logger;

                import
                 org.aspectj.lang.JoinPoint;

                import
                 org.aspectj.lang.annotation.After;

                import
                 org.aspectj.lang.annotation.AfterReturning;

                import
                 org.aspectj.lang.annotation.AfterThrowing;

                import
                 org.aspectj.lang.annotation.Aspect;

                import
                 org.aspectj.lang.annotation.Before;

                import
                 org.aspectj.lang.annotation.Pointcut;

                import
                 org.springframework.stereotype.Component;

                import
                 org.springframework.web.context.request.RequestContextHolder;

                import
                 org.springframework.web.context.request.ServletRequestAttributes;


                import
                 javax.servlet.http.HttpServletRequest;

                import
                 javax.servlet.http.HttpSession;

                import
                 java.util.Date;

                import
                 java.util.Random;

@Aspect
@Component

                public
                class
                 LogAspect {

    
                private
                final
                static Logger logger = LogManager.getLogger(LogAspect.class);

    // ..表示包及子包 该方法代表controller层的所有方法
    @Pointcut("execution(public * com.idlewow.rms.controller..*.*(..))")
    publicvoid commonPoint() {
    }

    @Pointcut("@annotation(com.idlewow.rms.support.annotation.LogResult)")
    publicvoid returnPoint() {
    }


    @Before("commonPoint()")
    publicvoid before(JoinPoint joinPoint) throws Exception {
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest();
        HttpSession session = request.getSession(false);
        String username = "anyone";
        if (session != null && session.getAttribute(BaseController.LoginUserKey) != null) {
            username = ((SysAdmin) session.getAttribute(BaseController.LoginUserKey)).getUsername();
        }

        String trackId = username + "_" + System.currentTimeMillis() + "_" + new Random().nextInt(100);
        request.setAttribute("ct_begin", new Date().getTime());
        request.setAttribute("ct_id", trackId);
        RequestLog requestLog = new RequestLog();
        requestLog.setUrl(request.getRequestURI());
        requestLog.setType(request.getMethod());
        requestLog.setIp(request.getRemoteAddr());
        requestLog.setMethod(joinPoint.getSignature().toShortString());
        requestLog.setArgs(joinPoint.getArgs());
        logger.info("[" + trackId + "]请求开始：" + requestLog.toString());
    }

    @After("commonPoint()")
    publicvoid after(JoinPoint joinPoint) {
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest();
        String trackId = request.getAttribute("ct_id").toString();
        long totalTime = new Date().getTime() - (long) request.getAttribute("ct_begin");
        logger.info("[" + trackId + "]请求耗时：" + totalTime + "ms");
    }

    @AfterReturning(returning = "result", pointcut = "commonPoint()")
    publicvoid afterReturn(JoinPoint joinPoint, Object result) throws Exception {
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest();
        String trackId = request.getAttribute("ct_id").toString();
        logger.info("[" + trackId + "]请求结果：" + JSON.toJSONString(result));
    }

    @AfterThrowing(value = "commonPoint()", throwing = "t")
    publicvoid afterThrow(JoinPoint joinPoint, Throwable t) {
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest();
        String trackId = request.getAttribute("ct_id").toString();
        logger.error("[" + trackId + "]系统异常：" + t.getMessage(), t);
    }
}