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娃儿们沿途洒下清脆的欢笑，惊起林中暮归的鸟儿，盘旋飞上高空，待人走远，方才落下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.海洲市公安局长遭遇枪击昏迷不醒，原省公安厅刑侦处处长田丰临危受命，空降海洲任代理局长之职，在副局长胡克艰和刑警队长赵梦楠配合下对冉江案展开全面调查。此时，神秘杀手再次现身医院，试图接近冉江。在调查杀手的过程中，又一位知名企业家遇害，俩家涉黑KTV的领班杜大浩走入警方视线，成为最大嫌疑人。同时，几次大的扫黑行动也因泄密而失败，警局内部潜伏着黑帮卧底，警察也收到来自黑帮的重要线报。一场关于卧底与反卧底的盘查在警局和黑帮内部展开，究竟谁是卧底？黑白之争、正邪之战，又将何去何从？So the result is? False一个年轻女子在神秘的环境下不幸怀孕的黑暗旅程。疑惑极了，便来询问缘故。看到周青一脸疑惑，悟空道人说道：道祖鸿钧是‘道的化身，至高无上。