JoinPoint 获取方法注解
| 方法名 |
功能 |
| Signature getSignature(); |
获取封装了部署信息的对象，在该对象中可以获取到目标方法名，所属类的Class等信息 |
| Object[] getArgs(); |
获取传入目标方法的参数对象 |
| Object getTarget(); |
获取被代理的对象 |
| Object getThis(); |
获取代理对象 |
// 第一种
try {
Class<?> clazz = joinPoint.getTarget().getClass();
String methodName = joinPoint.getSignature().getName();
Class<?>[] parameterTypes = ((MethodSignature) joinPoint.getSignature()).getMethod().getParameterTypes();
Method method = clazz.getMethod(methodName, parameterTypes);
PostMapping postMapping = method.getAnnotation(PostMapping.class);
String[] paths = postMapping.value();
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
// 第二种
String[] paths = ((MethodSignature) joinPoint.getSignature()).getMethod().getAnnotation(PostMapping.class).value();