Spring Boot 使用AOP切面实现后台日志管理模块

灰太狼 2022-05-22 01:19 121阅读 0赞

设计原则和思路：

*  **元注解方式结合AOP，灵活记录操作日志**
 *  **能够记录详细错误日志为运维提供支持**
 *  **日志记录尽可能减少性能影响**

1.定义日志记录元注解

![70][]

![70 1][]

2.定义用于记录日志的实体类

import java.io.Serializable;
    import com.leon.common.util.StringUtils;
    import com.fasterxml.jackson.annotation.JsonFormat;
    import java.util.Date;
    import java.util.Map;
    
    /**
     * 日志类-记录用户操作行为
     * @author lin.r.x
     *
     */
    public class Log implements Serializable{
        private static final long serialVersionUID = 1L;
    
        private String logId;           //日志主键  
        private String type;            //日志类型  
        private String title;           //日志标题  
        private String remoteAddr;          //请求地址  
        private String requestUri;          //URI   
        private String method;          //请求方式  
        private String params;          //提交参数  
        private String exception;           //异常    
        @JsonFormat(pattern="yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
        private Date operateDate;           //开始时间  
        private String timeout;         //结束时间  
        private String userId;          //用户ID  
        private String resultParams;    //返回参数
    
        public String getLogId() {
            return StringUtils.isBlank(logId) ? logId : logId.trim();
        }
        public void setLogId(String logId) {
            this.logId = logId;
        }
         public String getResultParams() {
            return resultParams;
        }
        public void setResultParams(String resultParams) {
            this.resultParams = resultParams;
        }
    
        public String getType() {
            return StringUtils.isBlank(type) ? type : type.trim();
        }
        public void setType(String type) {
            this.type = type;
        }
    
    
        public String getTitle() {
            return StringUtils.isBlank(title) ? title : title.trim();
        }
        public void setTitle(String title) {
            this.title = title;
        }
    
    
        public String getRemoteAddr() {
            return StringUtils.isBlank(remoteAddr) ? remoteAddr : remoteAddr.trim();
        }
        public void setRemoteAddr(String remoteAddr) {
            this.remoteAddr = remoteAddr;
        }
    
    
        public String getRequestUri() {
            return StringUtils.isBlank(requestUri) ? requestUri : requestUri.trim();
        }
        public void setRequestUri(String requestUri) {
            this.requestUri = requestUri;
        }
    
    
        public String getMethod() {
            return StringUtils.isBlank(method) ? method : method.trim();
        }
        public void setMethod(String method) {
            this.method = method;
        }
    
    
        public String getParams() {
            return StringUtils.isBlank(params) ? params : params.trim();
        }
        public void setParams(String params) {
            this.params = params;
        }
    
        /**
         * 设置请求参数
         * @param paramMap
         */
        public void setMapToParams(Map<String, String[]> paramMap) {
            if (paramMap == null){
                return;
            }
            StringBuilder params = new StringBuilder();
            for (Map.Entry<String, String[]> param : ((Map<String, String[]>)paramMap).entrySet()){
                params.append(("".equals(params.toString()) ? "" : "&") + param.getKey() + "=");
                String paramValue = (param.getValue() != null && param.getValue().length > 0 ? param.getValue()[0] : "");
                params.append(StringUtils.abbr(StringUtils.endsWithIgnoreCase(param.getKey(), "password") ? "" : paramValue, 100));
            }
            this.params = params.toString();
        }
    
    
        public String getException() {
            return StringUtils.isBlank(exception) ? exception : exception.trim();
        }
        public void setException(String exception) {
            this.exception = exception;
        }
    
    
        public Date getOperateDate() {
            return operateDate;
        }
        public void setOperateDate(Date operateDate) {
            this.operateDate = operateDate;
        }
    
    
        public String getTimeout() {
            return StringUtils.isBlank(timeout) ? timeout : timeout.trim();
        }
        public void setTimeout(String timeout) {
            this.timeout = timeout;
        }
    
    
        public String getUserId() {
            return StringUtils.isBlank(userId) ? userId : userId.trim();
        }
        public void setUserId(String userId) {
            this.userId = userId;
        }
    
    }

工具类代码:

![70 2][]

3.定义日志AOP切面类(日志新增及修改其它业务操作不做介绍):

package com.isoftstone.api.common.log.aspect;
    
    import java.lang.reflect.Method;
    import java.text.SimpleDateFormat;
    import java.util.Date;
    import java.util.Map;
    
    import javax.servlet.http.HttpServletRequest;
    
    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.aspectj.lang.reflect.MethodSignature;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.core.NamedThreadLocal;
    import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
    import org.springframework.stereotype.Component;
    
    import com.isoftstone.api.common.config.security.UserUtils;
    import com.isoftstone.api.common.log.target.SystemControllerLog;
    import com.isoftstone.api.common.log.target.SystemServiceLog;
    import com.isoftstone.api.common.log.utils.DateUtils;
    import com.isoftstone.api.common.log.utils.UuidUtils;
    import com.isoftstone.api.common.utils.JsonUtils;
    import com.isoftstone.api.common.utils.redis.RedisUtil;
    import com.isoftstone.api.log.entity.Log;
    import com.isoftstone.api.log.service.LogService;
    import com.isoftstone.api.system.entity.Users;
    
    
    /**
    * @author leon
    * @createDate 2018年6月6日 上午10:33:35
    * @version v1.0
    * @classRemarks 日志切面类
    */
    @Aspect
    @Component
    public class SystemLogAspect {
        
        private static Logger logger = LoggerFactory.getLogger(SystemLogAspect.class);
        
        private static final ThreadLocal<Date> beginTimeThreadLocal = new NamedThreadLocal<Date>("ThreadLocal beginTime");
        private static final ThreadLocal<Log> logThreadLocal =  new NamedThreadLocal<Log>("ThreadLocal log");
    
        private static final ThreadLocal<Users> currentUser=new NamedThreadLocal<>("ThreadLocal user");
        
        @Autowired(required=false)
        HttpServletRequest request;
    
        @Autowired
        ThreadPoolTaskExecutor threadPoolTaskExecutor;
        
        @Autowired
        LogService logService;
        
        @Autowired
        RedisUtil redisUtil;
        
        /**
         * Service层切点
         */
        @Pointcut("@annotation(com.isoftstone.api.common.log.target.SystemServiceLog)")
        public void serviceAspect(){}
        
        /**
         * Controller层切点 注解拦截
         */
        @Pointcut("@annotation(com.isoftstone.api.common.log.target.SystemControllerLog)")
        public void controllerAspect(){}
        
        /*@Pointcut("execution(* com.isoftstone.api.*.controller.*.*(..))")
        public void controllerPointerCut(){}*/
    
        /**
         * 前置通知 用于拦截Controller层记录用户的操作的开始时间
         * @param joinPoint 切点
         * @throws InterruptedException
         */
        @Before("controllerAspect()")
        public void doBefore(JoinPoint joinPoint) throws InterruptedException{
            
            logger.info("进入日志切面前置通知!!");
            Date beginTime=new Date();
            beginTimeThreadLocal.set(beginTime);//线程绑定变量（该数据只有当前请求的线程可见）  
            if (logger.isDebugEnabled()){//这里日志级别为debug
                logger.debug("开始计时: {}  URI: {}", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS")
                    .format(beginTime), request.getRequestURI());
            }
    
            //读取session中的用户
            /*HttpSession session = request.getSession();       
            Users user = (Users) session.getAttribute("ims_user"); */   
            Users user=UserUtils.getUser(redisUtil);
            currentUser.set(user);
    
        }
    
        /**
         * 后置通知 用于拦截Controller层记录用户的操作
         * @param joinPoint 切点
         */
        @After("controllerAspect()")
        public void doAfter(JoinPoint joinPoint) {
            logger.info("进入日志切面后置通知!!");
            Users user = currentUser.get();
            if(user !=null){
                String title="";
                String type="info";                       //日志类型(info:入库,error:错误)
                String remoteAddr=request.getRemoteAddr();//请求的IP
                String requestUri=request.getRequestURI();//请求的Uri
                String method=request.getMethod();        //请求的方法类型(post/get)
                Map<String,String[]> params=request.getParameterMap(); //请求提交的参数
                
                try {
                    title=getControllerMethodDescription2(joinPoint);
                } catch (Exception e) {
                    e.printStackTrace();
                }    
                // 打印JVM信息。
                long beginTime = beginTimeThreadLocal.get().getTime();//得到线程绑定的局部变量（开始时间）  
                long endTime = System.currentTimeMillis();  //2、结束时间  
                if (logger.isDebugEnabled()){
                    logger.debug("计时结束：{}  URI: {}  耗时： {}   最大内存: {}m  已分配内存: {}m  已分配内存中的剩余空间: {}m  最大可用内存: {}m",
                            new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS").format(endTime),
                            request.getRequestURI(),
                            DateUtils.formatDateTime(endTime - beginTime),
                            Runtime.getRuntime().maxMemory()/1024/1024,
                            Runtime.getRuntime().totalMemory()/1024/1024,
                            Runtime.getRuntime().freeMemory()/1024/1024,
                            (Runtime.getRuntime().maxMemory()-Runtime.getRuntime().totalMemory()+Runtime.getRuntime().freeMemory())/1024/1024);
                }
                logger.info("设置日志信息存储到表中!!");
                Log log=new Log();
                log.setLogId(UuidUtils.creatUUID());
                log.setTitle(title);
                log.setType(type);
                log.setRemoteAddr(remoteAddr);
                log.setRequestUri(requestUri);
                log.setMethod(method);
                log.setMapToParams(params);
                log.setException("无异常!");
                log.setUserId(user.getUsername());
                Date operateDate=beginTimeThreadLocal.get();
                log.setOperateDate(operateDate);
                log.setTimeout(DateUtils.formatDateTime(endTime - beginTime));
    
                //1.直接执行保存操作
                //this.logService.addLog(log);
    
                //2.优化:异步保存日志
                //new SaveLogThread(log, logService).start();
    
                //3.再优化:通过线程池来执行日志保存
                threadPoolTaskExecutor.execute(new SaveLogThread(log, logService));
                logThreadLocal.set(log);
            }
    
        }
        
        @AfterReturning(returning = "res", pointcut = "controllerAspect()")
        public void doAfterReturning(Object res) throws Throwable {
            // 处理完请求，返回内容
            logger.info("==========返回参数日志=========");
            logger.info("返回接口响应参数:"+JsonUtils.obj2JSON(res));
            Log log = logThreadLocal.get();
            if (log!=null) {
                log.setResultParams(JsonUtils.obj2JSON(res));
                logger.info("==========更新日志参数=========");
                new UpdateLogThread(log, logService).start();
            }
        }
    
        /**
         *  异常通知 记录操作报错日志
         * @param joinPoint
         * @param e
         */
        @AfterThrowing(pointcut = "controllerAspect()", throwing = "e")  
        public  void doAfterThrowing(JoinPoint joinPoint, Throwable e) {
            logger.info("进入日志切面异常通知!!");
            logger.info("异常信息:"+e.getMessage());
            Log log = logThreadLocal.get();
            if (log!=null) {
                log.setType("error");
                log.setException(e.toString());
                new UpdateLogThread(log, logService).start();
            }
        }
    
        /**
         * 获取注解中对方法的描述信息 用于service层注解
         * @param joinPoint切点
         * @return discription
         */
        public static String getServiceMthodDescription2(JoinPoint joinPoint) {
            MethodSignature signature = (MethodSignature) joinPoint.getSignature();
            Method method = signature.getMethod();
            SystemServiceLog serviceLog = method.getAnnotation(SystemServiceLog.class);
            String discription = serviceLog.description();
            return discription;
        }
    
        /**
         * 获取注解中对方法的描述信息 用于Controller层注解
         *
         * @param joinPoint 切点
         * @return discription
         */
        public static String getControllerMethodDescription2(JoinPoint joinPoint) {
            MethodSignature signature = (MethodSignature) joinPoint.getSignature();
            Method method = signature.getMethod();
            SystemControllerLog controllerLog = method.getAnnotation(SystemControllerLog.class);
            String discription = controllerLog.description();
            return discription;
        }
    
        /**
         * 保存日志线程
         */
        private static class SaveLogThread implements Runnable {
            private Log log;
            private LogService logService;
    
            public SaveLogThread(Log log, LogService logService) {
                this.log = log;
                this.logService = logService;
            }
    
            @Override
            public void run() {
                logService.addLog(log);
            }
        }
    
        /**
         * 日志更新线程
         */
        private static class UpdateLogThread extends Thread {
            private Log log;
            private LogService logService;
    
            public UpdateLogThread(Log log, LogService logService) {
                super(UpdateLogThread.class.getSimpleName());
                this.log = log;
                this.logService = logService;
            }
    
            @Override
            public void run() {
                this.logService.putLog(log);
            }
        }
    
    
    }

线程池配置代码:

package com.isoftstone.api.common.log.thread;
    
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.boot.context.properties.ConfigurationProperties;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
    
    /**
    * @author leon
    * @createDate 2018年6月6日 上午11:23:22
    * @version v1.0
    * @classRemarks 线程池配置
    */
    
    @Configuration
    @ConfigurationProperties(prefix="threadpool")
    public class ExecutePoolConfiguration {
        
        private static Logger logger = LoggerFactory.getLogger(ExecutePoolConfiguration.class);
    
        /**
         * application.yml 配置方式
            threadpool:
              core-pool-size: 10
              max-pool-size: 20
              queue-capacity: 1000
              keep-alive-seconds: 300
         */
        @Value("${threadpool.core-pool-size}")
        private int corePoolSize;
    
        @Value("${threadpool.max-pool-size}")
        private int maxPoolSize;
    
        @Value("${threadpool.queue-capacity}")
        private int queueCapacity;
    
        @Value("${threadpool.keep-alive-seconds}")
        private int keepAliveSeconds;
    
    
        @Bean(name="threadPoolTaskExecutor")
        public ThreadPoolTaskExecutor threadPoolTaskExecutor(){
            
            ThreadPoolTaskExecutor pool = new ThreadPoolTaskExecutor();
            pool.setKeepAliveSeconds(keepAliveSeconds);
            pool.setCorePoolSize(corePoolSize);//核心线程池数
            pool.setMaxPoolSize(maxPoolSize); // 最大线程
            pool.setQueueCapacity(queueCapacity);//队列容量
            pool.setRejectedExecutionHandler(new java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy()); //队列满，线程被拒绝执行策略
            return pool;
        }
    
    }

属性文件中添加下列配置:

![70 3][]

4.spring boot配置扫描切面，开启@AspectJ注解的支持

![70 4][]

5.使用范例LoginController方法中添加日志注解

![70 5][]

6.运行效果

![70 6][]

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