code: public static <A extends Annotation> A getAnnotation(AnnotatedElement annotationEle, Class<A> annotationType) {
  		return (null == annotationEle) ? null : toCombination(annotationEle).getAnnotation(annotationType);
  	}
docs: 获取指定注解
  
  @param <A> 注解类型
  @param annotationEle {@link AnnotatedElement}，可以是Class、Method、Field、Constructor、ReflectPermission
  @param annotationType 注解类型
  @return 注解对象