The resource handlers contain very little code in order to process incoming data, and the ZRM completely hides interactions with the back end database.
资源处理程序仅包含少量代码，用于处理输入数据，并且ZRM完全隐藏了与后端数据库的交互。
Also, it hides the assignment code, which can simplify things quite a bit if you're also doing some formatting along the way.
此外，它还将隐藏赋值代码，如果同时还要设定格式，这样可以极大地简化工作。
When implemented correctly, a facade hides the details of how it's implemented from the code that USES it.
当正确的实现时，facade会对它的使用者隐藏它是如何从代码中被实现的细节。
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