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One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.但是，再装扮，那还是女人啊。讲述了出身富贵的女婴宋连城自出生之日起就被母亲指使与买来的男孩恒泰互换。从此两人命运背离，连城浪迹在勾栏烟花巷，恒泰成长于巍峨的将军府。两人却鬼使神差相遇并相知相爱。连城得以重入将军府，但两人的爱情遭遇各方阻击，连城更是连遭公主迫害。所幸不屈的爱情将错乱的人生纳入正轨，冤家坦然相对时，已是霜满头。等她进去一看，付宇锋坐在桌子上，手里拿着一本书，一边读着，一边还用手不停地比划着。Due to the characteristics of weightlifting:尉缭点头道：可不是，我会让诗曼慢慢劝解的，此事不可操之过急。描写着聚集不良帮派组织的SWORD地区，卷起了激烈的争斗以及其隐藏背后真实的成人世界。