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The first floor is dedicated to this life Xiaotian ~; ` * t + c # e $A5 q! O + fThe reason why the logic for creating an object is put into a separate class is that it can be used by multiple clients. And separates the creation and use of objects. However, this design also has many defects. First of all, SimpleFactory is a specific class, so we must program for the implementation, making the system lose its flexibility in this respect. Second, if we add new products, we have to modify the code in SimpleFactory, which violates the opening and closing principle. The above model is also called simple factory. He does not appear in GOF mode, it is more like a programming habit.民国初年江南大户张家，老爷张慕哲有三个儿子分别是长子张叔儒、次子张叔庭和三子张叔方，一次因运送贵重药材的货车被劫，张慕哲未曾细查便痛骂叔方，致使叔方愤然离家。不久之后叔方沉船的噩耗传来，叔庭心痛指责父亲和大哥逼死三弟，张慕哲恼羞成怒赶走叔庭，叔庭带走儿子天宝投奔了曾经的同窗好友莫语堂，张慕哲追悔莫及。七年后，莫语堂带着天宝回到张家，并称叔庭遭遇劫杀他无力抚养孩子，张慕哲失而复得欣喜不已并有心栽培天宝为药厂的接班人。 天宝和药厂员工若颜相爱了，就当他想提亲时却得知若颜竟然是叔方的女儿，而他们俩是兄妹，二人皆伤心不已，可是只有天宝自己知道，真正的天宝早已经去世，他是冒名顶替来谋夺产业的。天宝陷入了两难的抉择，最终他患上不治之症，他将张家祖传的秘方交还到若颜这个真正的继承人手中，欣慰的闭上了双眼。明朝正德年间，南昌宁王宸淳企图谋反，所有秘密都集中在一颗紫水晶中。紫水晶到底隐藏在哪里？邢姬和崔婷其实是同一个人，她是宁王派出的双面间谍；郭旭乃 “长风镖局”少局主，面对貌美如花的崔婷，他是如何既爱又恨，最终将她感化的呢？卷入这场弥天大阴谋的郭旭，又是如何在好友程铁衣和足智多谋的采玉帮助下，剥丝脱茧，一步步将这个阴谋粉碎？当宁王持刀威逼正德皇帝写退诏书时，郭旭他们能否及时赶到，救皇上于十万火急中？就在他不以为意，在荥阳和刘邦打的火热的时候，田横竟然回来了。杨长帆回身，一步步踏下台阶，扫视众人。