关于定时器的使用，里面包含了两个工程，一个是用模块化编程写的程序，另一个则不是的，通过对比可以让人更加了解模块化编程的好处-The use of the timer, which contains two projects, a program written using the modular programming, the other is not, by comparing people a better understanding of the benefits of modular