code: public static BeanDesc getBeanDesc(Class<?> clazz) {
  		BeanDesc beanDesc = BeanDescCache.INSTANCE.getBeanDesc(clazz);
  		if (null == beanDesc) {
  			beanDesc = new BeanDesc(clazz);
  			BeanDescCache.INSTANCE.putBeanDesc(clazz, beanDesc);
  		}
  		return beanDesc;
  	}
docs: 获取{@link BeanDesc} Bean描述信息
  
  @param clazz Bean类
  @return {@link BeanDesc}
  @since 3.1.2