首先论述程序设计的本质，给出程序设计的三个视图，然后从语言、环境和应用三个方面分别解析程序设计，使读者逐步掌握程序设计的系统化思维、相关技术思想和方法，-This article first discusses the essence of the program design, program design are given three views, then language, environment and application from three aspects of analytical procedures are design, make the reader gradually grasp of the systematic thinking process design, related technology thoughts and methods,