设计模式系列：（0）介绍

今日之语：你能做到的，比想像的更多。

设计模式的本质是，为日常遇到的问题提供解决方案。

Problem-->Solution

Each pattern describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without ever doing it the same way twice.

—Christopher Alexander