Spring AOP解决系统日志备忘

配置文件：

    <!-- 操作日志切面声明  -->       <bean id="logAspect" class="com.tq365.service.sys.log.SystemLogAspect"/>    <aop:config>        <aop:aspect ref="logAspect">        </aop:aspect>    </aop:config>    

Java代码：

/** * 系统操作日志切面 *  * @author archie2010 *  since 2011-3-17 下午02:44:03 */@Aspectpublic class SystemLogAspect {    // int与long之Class会自动转为其封装类型之Class    private static final String integerClazz = "class java.lang.Integer";    private static final String longClazz = "class java.lang.Long";    @Resource    private SystemLogService systemLogService;    private Logger logger = Logger.getLogger(this.getClass().getName());    @Pointcut("execution(* com.tq365.service..*.*(..))")    public void myAspect() {    };    @AfterThrowing(pointcut = "myAspect()", throwing = "e")    public void doAfterThrowing(JoinPoint jp, Throwable e) {        System.out.println("出现异常:" + e.getMessage());        System.out.println(e.getClass().getName());        System.out.println("异常所在类:" + jp.getTarget().getClass().getName());        System.out.println("" + jp.getSignature().getName()                + "方法 throw exception");        // logger.error("错误！ error级别的！！！"+e.getMessage());        logger.error("Oops===" + jp.getTarget().getClass().getName() + "中的"                + jp.getSignature().getName() + "方法抛出" + e.getClass().getName()                + "异常");        System.out.println("参数:");        ;        if (jp.getArgs() != null && jp.getArgs().length > 0) {            for (int i = 0; i < jp.getArgs().length; i++) {                System.out.println(jp.getArgs()[i].toString());                logger.error("参数：--" + jp.getArgs()[i].toString());            }        }    }    @SuppressWarnings("unchecked")    @After("@annotation(com.tq365.sys.annotation.SystemLogAnnotation)")    public void doAfter(JoinPoint jp) {        System.out.println("----------后置通知");        System.out.println("方法所在类:" + jp.getTarget().getClass().getName());        System.out.println("" + jp.getSignature().getName() + "方法");        String methodName = jp.getSignature().getName();        // 操作日志对象-----------------        SystemLog sysLog = new SystemLog();        // 操作参数-----------------        String descArgs = "参数";        if (jp.getArgs() != null && jp.getArgs().length > 0) {            for (int i = 0; i < jp.getArgs().length; i++) {                if(jp.getArgs()[i]!=null){                    //System.out.println(jp.getArgs()[i].toString());                    descArgs += jp.getArgs()[i].toString()+",";                }else{                    descArgs +="null"+",";                }            }            System.out.println("------参数" + descArgs);        }        sysLog.setOperateArgs(descArgs);        String des = null;//方法描述        if (!(methodName.startsWith("set") || methodName.startsWith("get"))) {            Class targetClass = jp.getTarget().getClass();            //方法不定向参数Clazz...            Class[] claszs = new Class[jp.getArgs().length];            for (int i = 0; i < jp.getArgs().length; i++) {                //System.out.println(jp.getArgs()[i]);                if(jp.getArgs()[i]!=null){                    System.out.println(jp.getArgs()[i].getClass());                    if (jp.getArgs()[i].getClass().toString().equals(integerClazz)) {                        claszs[i] = int.class;                    } else if (jp.getArgs()[i].getClass().toString().equals(                            longClazz)) {                        claszs[i] = long.class;                    }else{                        claszs[i] =jp.getArgs()[i].getClass();                    }                }else if(jp.getArgs()[i]==null){                    claszs[i] = String.class;                }            }            Method method=null;            try {                method = targetClass.getMethod(methodName, claszs);            } catch (SecurityException e) {            } catch (NoSuchMethodException e) {            }            //若方法为空(描述无法获得则des=null)            if(method!=null){                System.out.println(method.getAnnotation(SystemLogAnnotation.class)                        .description());                des = method.getAnnotation(SystemLogAnnotation.class).description();            }        }        // 获得Session        HttpSession session = ServletActionContext.getRequest().getSession();        // 取到当前的操作用户        User appUser = (User) session.getAttribute("USER");        if (appUser != null) {            System.out.println("用户已经存在Session中");            // 操作日志对象            sysLog.setUid(appUser.getUserId());            sysLog.setUsername(appUser.getFullName());        }        HttpServletRequest request = ServletActionContext.getRequest();        String ip = request.getRemoteAddr();        sysLog.setOperateTime(DateUtil.getCurrentTime());        sysLog.setOperateDes(methodName +"->"+ des);        sysLog.setIp(ip);        systemLogService.save(sysLog);        System.out.println("----------保存操作日志");    }}