构件库系统需解决两个核心问题：构件的分类表示与构件的检索，其中对构件的合理分类是实现构件高效检索的基础和前提。针对目前常用的刻面分类表示法存在的人为主观因素，采用了刻面分类表示与正文检索相结合的方法对构件进行描述，并依据用户的需求对刻面分类方案中的主刻面赋予不同的等级。提出了一种基于等级策略的构件聚类方法对构件进行聚类分析，并通过实验验证了该方法是有效的，实现了对构件更合理的分类，提高了构件检索的效率和准确性。

The Component Library System needs to solve two core problems,which are component classification representation and component retrieval. Meanwhile, to implement component efficient retrieval is based on the component rational classification. Aiming at the subjective factors of the faceted classification representation, the component is described by the way which combines the text retrieval with the faceted classification representation, and according to the user requirements, different ranks are given to the main facets of the faceted classification schema. Then, a component clustering method based ranking strategy is proposed. The experiments prove the method is effective, which  implements a more rational classification of the components, and improves the efficiency and accuracy of component retrieval.