设计模式之Template Template定义:定义一个操作中算法的骨架,将一些步骤的执行延迟到其子类中. 其实Java的抽象类本来就是Template模式,因此使用很普遍.而且很容易理解和使用-Design Model Template Template definition : an operational definition of the skeleton algorithm, Some steps will delay the implementation of their sub-categories. In fact, the abstract categories of Java was originally Template Mode and the use is widespread. it is very easy to understand and use