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The 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.夏天，是一个其貌不扬的女孩，在广播电台担任栏目编辑，有一次她无意中听到妈妈和自己同母异父的妹妹—悠悠谈论婚礼时说：“看着吧，到时你姐一定会穿着宽宽松松的黑色衣服、还是那么胖然后独自一人来参加你的婚礼”。母亲这句话让夏天瞬间失去理智，两人发生激烈口角冲突，夏天与妈妈打赌，说自己一定会带着男朋友出席妹妹的婚礼，让所有人看到自己的蜕变。如果自己做到，就不能把外婆留下的房子卖掉，因为那里有夏天所有的童年回忆。妈妈同意了这个赌约，此时距离悠悠的婚礼还有278天。夏天通过电台早间的栏目诉说了自己的经历以及与母亲的赌约，得到了许多观众的认同，也同时在广播中吸引了很多前来约会的对象，在一次次失败的约会后，夏天逐渐成熟、勇敢，再也不是那个自卑的胖女孩。妹妹的婚礼将至，直到最后才发现其实真爱就在身边。(Ha Xuesheng, Director of Program Department of CCTV Financial Channel)2017-07-14 17:45:00The soldier who flushed him later blamed himself. I also advised the young man that there was no way out. No one wanted to do this, but there was really no way out. "秦湖道：六只啊。On October 23, 2017, in order to create momentum for the launch of Oppo R11s new products, the eight members who have joined the Oppo Star Family all sent microblogs to help and were forwarded by Oppo's official account, except Jay Chou.