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This article will explain in detail how to use CGlib to achieve Bean copy, the content of the article is of high quality, so the editor will share it for you as a reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

When doing business, we sometimes isolate the Entity queried by DAO from the external DTO in order to isolate the changes.

Its performance is much better than the BeanUtils and PropertyUtils of Spring's BeanUtils,Apache, especially when the amount of data is relatively large.

About 90% of the time, their structures are similar, but we don't like to write a lot of lengthy code like b.setF1 (a.getF1 ()), so we need BeanCopier to help us.

Cglib's BeanCopier is a dynamic proxy, and the other two are reflections, so its performance is definitely much better.

No illusions, all three are shallow copies, deep copies of their own implementation

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