code: public static Method getStaticMethod(final Class<?> clazz, final String methodName, final Class<?>... parameterTypes) {
  		Asserts.notNull(clazz);
  		for (Class<?> superClass = clazz; superClass != Object.class; superClass = superClass.getSuperclass()) {
  			try {
  				Method method = clazz.getDeclaredMethod(methodName, parameterTypes);
  				method.setAccessible(true);
  				return method;
  			} catch (NoSuchMethodException | SecurityException e) {
  				// Method不在当前类定义,继续向上转型
  			}
  		}
  		return null;
  	}
docs: 获取静态方法
  @since 2.0.2