The paper introduced the thoughts and procedure structure of the secondary development to AutoCAD through Autolisp and DCL language , so we can mark serial numbers of part automatically, fast and accurately.

• 介绍利用Autolisp和DCL语言对AutoCAD进行二次开发，实现零件序号的自动标注的思路及程序结构。 利用该工具可以快速方便地标注零件序号。