代码的价值在于：如果你不熟悉设计模式，这些例子能在你学习设计模式的过程中，帮助你更好的理解。
The value of code is: If you are not familiar with design patterns, these examples can you learn in the process of design patterns to help you better understand.
如果您对MVC设计模式不熟悉，有大量的书籍和网站可以提供关于这方面的教程信息。
If you're not familiar with the MVC design pattern, a number of books and Web sites provide tutorial information about it.
熟悉OO设计原则的人都知道，很久以前就通过设计模式的创建与应用对这些问题进行了处理。
Anyone familiar with OO design principles knows that these questions have been answered long ago through the creation and application of design patterns.
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