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  • 定义一个通用的切面

    @Aspect
    @Component
    public class SearchCenterServiceAspect {
    private static final Logger logger = LoggerFactory.getLogger(SearchCenterServiceAspect.class);

    /**
    * 用来记录请求进入的时间,防止多线程时出错
    */
    private ThreadLocal<Long> startTime = new ThreadLocal<>();


    /**
    * 定义切入点,controller下面的所有类的所有公有方法
    */
    @Pointcut("execution(public * com.xxx.service.bus.*.*(..))")
    public void point() {
    }


    /**
    * 方法之前执行,日志打印请求信息
    * @param joinPoint
    */
    @Before("point()")
    public void doBefore(JoinPoint joinPoint) {
    logger.info("request=" + getMethodNameAndArgs(joinPoint));
    }


    @After("point()")
    public void doAfter() {
    long endTime = System.currentTimeMillis();
    }

    /**
    * 方法返回之前执行
    * @param object
    */
    @AfterReturning(returning = "object", pointcut = "point()")
    public void doAfterReturning(JoinPoint joinPoint, Object object) {
    }

    /**
    * 获取方法名和参数
    * @param joinPoint
    * @return
    */
    private String getMethodNameAndArgs(JoinPoint joinPoint) {
    Object[] args = joinPoint.getArgs();
    StringBuffer sb = new StringBuffer("methodName:");
    sb.append(joinPoint.getTarget().getClass().getName() + "."
    + joinPoint.getSignature().getName() + "(");
    for (int i = 0; i < args.length; i++) {
    sb.append("arg[" + i + "]: " + args[i] + ",");
    }
    if (args.length > 0) {
    sb.deleteCharAt(sb.length() - 1);
    }
    sb.append(")");
    return sb.toString();
    }

    }
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  • 原文地址:https://www.cnblogs.com/wxmdevelop/p/15007380.html
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