code: public static Type getInheritGenericType(Class<?> clazz, Type type) {
          if(type instanceof TypeVariable) {
              TypeVariable<?> tv = (TypeVariable<?>) type;
              return getInheritGenericType(clazz, tv);
          }else {
              return type;
          }
      }
docs: 获取泛型类中type对应的真实Type
  @param clazz
  @param type
  @return