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In addition, if you are familiar with JavaScript, you can write your own script to border photos, which is quite convenient.如今刚刚进入关中，一切只是个开始，可谓如履薄冰，一着不慎，可能前功尽弃。她被阴谋和宫廷的秘密包围，但她固执地领导着俄罗斯国家的一艘巨大的船。叶卡捷琳娜登上王位是伟大的，没有什么能阻止她。…,再者，也是为了女儿范依兰吧，宝贝女儿苦口婆心了这么久，总不能让她太为难，太失望吧。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.毕业后一个人生活也没有找到固定工作，过着无所事事悠闲自在的日子。