本书是关于设计的，多年来我一直从事这项工作。基本上说，从我第一次试着阅

读《设计模式》（Gamma, Helm,Johnson & Vlissides, Addison-Wesley, 1995，通常

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被称作“四人帮 （Gang of Four）”或者 GOF）这本书开始。-the book is for the design, over the years, I have been engaged in this work. Basically, from the first time I tried to read the "design mode" (Gamma, Helm, Johnson Vlissides, Addison-Wesley, 1995, a usually referred to as the "Gang of Four (Gang of Four)" or GOF), this book began.