中文摘要：

微课是目前我国教育信息化资源建设中的研究热点。本文以程序设计课程中的循环结构为例，介绍了微课教学的制作与应用，以此探讨教师教学过程中如何利用微课教学，以提高学生学习的兴趣和效果。

英文摘要：

Micro lecture is currently research hotspot of education information resources construction in our country. This paper takes loop structure as an example and introduces the production and application of micro lecturein the course of program design.It explores how to make use of micro lecture in the teaching process,and to improve the interest and effects of students in study.