The fifth step is to write the implementation of each state class. It is worth noting that StateFactory is used to avoid the problems caused by the absence of abstract classes in javascript.
After studying the design pattern during this period of time, I still have a lot of feelings, because when I am writing code now, I often think about whether I can use any design pattern to refactor here. Therefore, after learning the design pattern, I feel that it will slowly affect the way you think about writing code. Here is a summary of the design patterns. First, all the design patterns can be sorted out. Second, an index can be made to help everyone collect.
在那里邪神采取的行动是……！？
作为一个大龄单身男青年，网恋or相亲，哪个才能得到真爱？单身男程序员周达面对老爹的花式催婚，不得已开始了自己的相亲之旅。其实他一直有一个网恋对象——江莹，为了江莹，周达决定搞黄所有的相亲。一系列啼笑皆非的相亲之后，坐在他对面的居然是自己的高中同桌张萍。周达开始与张萍朝夕相处，江莹却毫无征兆的出现，而在此时，张萍的电话打了过来……张萍发现了江莹似乎有什么秘密……
杜私放黄金荣垂涎的艺女艳阳春，而将其情夫投入大牢；在妻子生日之际，弄瞎妻子旧情人的双目；一切于不动声色之中，心机险恶，其然昭昭。
The sixth is to plan "spare time".
Since ancient times, Qingyuan Mountain has been famous for its 36 caves and 18 scenic spots, especially Laojun Rock, Qianshou Rock, Mituo Rock, Bixiao Rock, Ruixiang Rock, Huruquan, Nantai Rock, Qingyuan Cave and Cien Rock. Among them, six Qingyuan rock statues in Song and Yuan Dynasties, represented by Laojun Rock, are listed as national cultural relics protection units.
这下不得了，军士们本就肚饿，被这番话激起了潜藏的野性和兽性，个个两眼冒光，都叫嚣着要宰杀南蛮子煮来吃。
小弟确有一计，特来为大哥解忧愁。
勾践对范蠡说：“因为没听您的劝告才落到这个地步，那该怎么办呢？”范蠡回答说：“能够完全保住功业的人，必定效法天道的盈而不溢；能够平定倾覆的人，一定懂得人道是崇尚谦卑的；能够节制事理的人，就会遵
Explain Node.js (3): Explore the module mechanism of Node.js
——咚、咚、咚。
一场渗透经济领域的打击东北黑帮的闪电行动！
继《轮到你了》之后，秋元康新推出一部悬疑日剧SP《远程遇害》！ 秋元康仍担任企画、原案，《午夜凶铃》《贞子》导演中田秀夫执导。本田翼、新田真剑佑、斋藤飞鸟、前田敦子、柄本时生、早乙女太一、前野朋哉群星共演。 故事讲述居家隔离期间，6名曾经的高中同学在线上举行远程同学会。关于曾经自杀的同学田村由美子(斋藤飞鸟 饰)，6人共有一个秘密。他们高中时代的朋友古郡一马，最近还因一起火灾而死亡。大家在聊起由美子的死与火灾的真相的过程中，被卷入了一场连续杀人事件中。 该剧将于7月26日播出！
Article 13 Those who have been engaged in maintenance and testing of fire-fighting facilities and fire safety assessment activities for more than three years before the implementation of these Provisions and meet the qualification conditions stipulated in Articles 9 and 11 of these Provisions (except for the working time of secondary qualification) may apply for temporary primary qualification within six months from the date of implementation of these Provisions.
看了一会，把目光对准一位年纪稍长，大概二十来岁的书生，问道：这位兄台，可曾娶妻？板栗和青山书院的人正等着听她发表惊人言论，好让碧水书院的学生铩羽而归呢。
神童安托瓦内特和她的妹妹艾米莉，因为试图吹嘘的非法石油钻井计划，导致一个超级火山的猛烈爆发。
某夜，中国警方一举破获了由香港黑社会和大陆犯罪分子内外勾结的走私交易。这次行动由“雷霆行动组”直接指挥，生擒香港黑社会四龙帮老大陈雄，故意放走了四龙帮原老大龙山，引起了四龙帮与龙山派系的内讧。龙山迫于各种压力，投诚大陆警方，要求警方保护他和女儿的生命安全。化名为韩卫东、何良和“雷霆行动组”成员和化名为尤婷香港女警官分别从三个不同的角度潜伏介入香港“黑仔联盟”，由此揭开了“雷霆行动”的序幕。 由刘志豪指挥的“雷霆行动”，意在破获香港黑社会中组织严密，类似恐怖组织的黑仔联盟，陈雄和龙山均系黑仔联盟的骨干。陈雄顽固不化，把交待视作交易。因其罪行特别严重，被地方法院处以极刑。龙山虽是投诚，但也只是用一些黑仔联盟的毛皮搪塞警方。刘志豪欲擒故纵，引蛇出洞，放龙山回香港。
Intermediaries and colleague classes should be related to each other.
