/**
         * 防止重复提交
         */
        @Aspect
        @Component
        public class AvoidRepeatableCommitAspect {
        
            @Autowired
            private RedisTemplate redisTemplate;
        
            /**
             * @param point
             */
            @Around("@annotation(com.xwolf.boot.annotation.AvoidRepeatableCommit)")
            public Object around(ProceedingJoinPoint point) throws Throwable {
        
                HttpServletRequest request  = ((ServletRequestAttributes)RequestContextHolder.currentRequestAttributes()).getRequest();
                String ip = IPUtil.getIP(request);
                //获取注解
                MethodSignature signature = (MethodSignature) point.getSignature();
                Method method = signature.getMethod();
                //目标类、方法
                String className = method.getDeclaringClass().getName();
                String name = method.getName();
                String ipKey = String.format("%s#%s",className,name);
                int hashCode = Math.abs(ipKey.hashCode());
                String key = String.format("%s_%d",ip,hashCode);
                log.info("ipKey={},hashCode={},key={}",ipKey,hashCode,key);
                AvoidRepeatableCommit avoidRepeatableCommit =  method.getAnnotation(AvoidRepeatableCommit.class);
                long timeout = avoidRepeatableCommit.timeout();
                if (timeout < 0){
                                //过期时间5分钟
                    timeout = 60*5;
                }
                String value = (String) redisTemplate.opsForValue().get(key);
                if (StringUtils.isNotBlank(value)){
                    return "请勿重复提交";
                }
                redisTemplate.opsForValue().set(key, UUIDUtil.uuid(),timeout,TimeUnit.MILLISECONDS);
                //执行方法
                Object object = point.proceed();
                return object;
            }
        
        }

 

 

posted on 2020-05-12 17:05  sidesky  阅读(253)  评论(0编辑  收藏  举报