中文摘要：

针对现有基于模式的界面开发工具，根据它们对不同开发阶段的支持进行分类，然后对各类工具进行探讨，从形式、功能、可用性等特征展开分析和比较，最后讨论了目前工具存在的不足及未来的研究方向。

英文摘要：

This paper classified the existing pattern-based tools for user interface development according to their support forthe different stages in U I developing process, discussed the different classes of tools respectively. Then it analyzed and comparedthem in some respects such as forms,functions,usability and so on. Finally,this papaer discussed the deficiencies of theexisting tools,the prospects for future development and suggestions for possible extensions.