spring 重復註解和aop攔截的實現示例

import java.lang.annotation.ElementType;
import java.lang.annotation.Repeatable;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * 接口限流
 *
 * @author wulm
 */
@Repeatable(RequestLimit.RequestLimitPack.class)
@Target({ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
public @interface RequestLimit {

    /**
     * 最大次數，比如 每分鐘100次、每小時500次、每天1000次
     */
    int maxTimes();

    /**
     * 頻率更新時間，比如 60：每分鐘、  3600：每小時、  86400：每天
     **/
    int seconds();

    @Target({ElementType.METHOD})
    @Retention(RetentionPolicy.RUNTIME)
    @interface RequestLimitPack {
        RequestLimit[] value();
    }
}

@Aspect
@Configuration
public class RequestLimitAop {
    private static final Logger LOGGER = LoggerFactory.getLogger(RequestLimitAop.class);

    public static final String REDIS_SPLIT_STR = "#";
    public static final String SUB_MODULE = "API";

    @Pointcut(value = "@annotation(com.zxy.product.hr.sync.web.config.annotation.RequestLimit)")
    public void pointcut() {
    }

    @Pointcut(value = "@annotation(com.zxy.product.hr.sync.web.config.annotation.RequestLimit" +
            ".RequestLimitPack)")
    public void pointcutRequestLimitOuts() {
    }


    @Around(value = "pointcut()")
    public Object around(ProceedingJoinPoint joinPoint) throws Throwable {
        // 獲取攔截的方法名
        MethodSignature msig = (MethodSignature) joinPoint.getSignature();
        // 獲取到註解
        RequestLimit requestLimit = msig.getMethod().getAnnotation(RequestLimit.class);

        ResultInfo resultInfo = checkFrequency(requestLimit, false);
        if (ResultInfo.isSuccess(resultInfo)) {
            // 繼續執行方法
            return joinPoint.proceed();
        } else {
            return resultInfo;
        }
    }

    @Around(value = "pointcutRequestLimitOuts()")
    public Object aroundRequestLimitOuts(ProceedingJoinPoint joinPoint) throws Throwable {
        // 獲取攔截的方法名
        MethodSignature msig = (MethodSignature) joinPoint.getSignature();
        // 獲取到註解
        RequestLimit.RequestLimitPack requestLimitPack = msig.getMethod()
                .getAnnotation(RequestLimit.RequestLimitPack.class);
        for (RequestLimit requestLimit : requestLimitPack.value()) {
            ResultInfo resultInfo = checkFrequency(requestLimit, false);
            if (!ResultInfo.isSuccess(resultInfo)) {
                //失敗立即返回
                return resultInfo;
            }
        }
        //沒問題則繼續執行
        return joinPoint.proceed();
    }


    public static ResultInfo checkFrequency(RequestLimit requestLimit, boolean isInnerApi) {
　　　　 //代碼忽略......
    }

}