springboot 防止重复请求防止重复点击的操作

@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD, ElementType.TYPE})
public @interface AvoidRepeatRequest {
    /** 请求间隔时间，单位秒，该时间范围内的请求为重复请求 */
    int intervalTime() default 5;
    /** 返回的提示信息 */
    String msg() default "请不要频繁重复请求！";
}

@Component
@Aspect
@Order(100)
public class FilterRepeatRequest {
    private static final String SUFFIX = "REQUEST_";
    @Autowired
    private RedisTemplate redisTemplate;

    // 定义 注解 类型的切点
    @Pointcut("@annotation(com.common.ann.AvoidRepeatRequest)")
    public void arrPointcut() {}

    // 实现过滤重复请求功能
    @Around("arrPointcut()")
    public Object arrBusiness(ProceedingJoinPoint joinPoint) {
        // 获取 redis key，由 session ID 和 请求URI 构成
        ServletRequestAttributes sra = (ServletRequestAttributes) 
        	RequestContextHolder.currentRequestAttributes();
        HttpServletRequest request = sra.getRequest();
        String key = SUFFIX + request.getSession().getId() + "_" + request.getRequestURI();

        // 获取方法的 AvoidRepeatRequest 注解
        Method method = ((MethodSignature) joinPoint.getSignature()).getMethod();
        AvoidRepeatRequest arr = method.getAnnotation(AvoidRepeatRequest.class);

        // 判断是否是重复的请求
        if (!redisTemplate.opsForValue().setIfAbsent(key, 1, arr.intervalTime(), TimeUnit.SECONDS)) {
            // 已发起过请求
            System.out.println("重复请求");
            return arr.msg();
        }

        try {
            // 非重复请求，执行业务代码
            return joinPoint.proceed();
        } catch (Throwable throwable) {
            throwable.printStackTrace();
            return "error";
        }
    }
}

@RestController
public class TestAop {

    // 使用 AvoidRepeatRequest 注解的请求，表明需要进行重复请求判断
    @AvoidRepeatRequest(intervalTime = 6, msg = "慢点，兄弟")
    @GetMapping("test/aop")
    public String test() {
        return "test aop";
    }
}