AvengerEug commented on issue #7336:
URL: https://github.com/apache/dubbo/issues/7336#issuecomment-869535287
> > 请问dubbo filter中可否获取提供者的Method对象？看了看invocation和invoker感觉都没有提供方法获取。
>
> 可以通过 Invocation 获取到方法名和参数信息，基于反射再去获取
使用Spring的工具类来获取指定的方法，类似这样：
```java
String methodName = invocation.getMethodName();
Class<?>[] parameterTypes = invocation.getParameterTypes();
return ReflectionUtils.findMethod(invoker.getInterface(),
methodName, parameterTypes);
```
Spring的反射工具类内部有缓存机制，可以减少反射带来的消耗。
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