This chapter is the last lecture on design patterns. It will talk about the third design pattern-behavioral pattern, with a total of 11 types: policy pattern, template method pattern, observer pattern, iterative sub-pattern, responsibility chain pattern, command pattern, memo pattern, state pattern, visitor pattern, intermediary pattern and interpreter pattern. I have been writing about design patterns for a long time. At last it's halfway through, Writing a blog post is a very time-consuming thing, Because I have to be responsible for the readers, Whether it's graphs, codes, or representations, Everyone hopes to write it as clearly as possible so that readers can understand it. I think both I and the readers hope to see high-quality blog posts come out. Starting from myself, I will stick to it and update it continuously. The continuous motivation comes from the continuous support of readers and friends. I will do my best to write every article well! I hope everyone can give opinions and suggestions continuously and jointly create a perfect blog post!
Difference
他们见到刘邦出来，立即赶上去携剑持盾牌护卫身边，到了安全地带。
1977年夏天，丽岛市公安局破获了一个流氓犯罪集团。检察长徐力接到案情报告后极为震动。原来一直没有侦破的牟晓莉被辱案正是这个团伙干的，主犯是冷冻厂司机张华。徐力立即在逮捕令上签了字。可是当公安局奔赴冷冻厂拘捕张华时，却发现他已经逃之夭夭。徐力坐汽车回家时，突然有一个青年横穿马路，汽车急忙煞住。虽然避免了一起车祸，但那青年却摔伤了。徐力把青年接到家中，问清伤势不重，就让他到内室稍事休息。正在这时，徐力的儿子，冷冻厂保卫干事徐文涛回到家里。文涛向父亲介绍了他和公安人员逮捕张华的经过，并带来了公安局印发的通缉令。徐力看到通缉令上的照片不由大吃一惊，原来他接回家的那个青年正是张华。徐文涛冲进内室，可是人去屋空，罪犯又一次逃走。第二天，徐力问文涛的女友唐敏，唐敏说张华被送到医院就跑了。又过几天，公安局查出张华已跳崖身亡，但仍未找到他的尸体。后来徐力想起张华曾是在"文革"中救过他的红卫兵，他不相信张华是流氓首犯，为张华的死感到惋惜。经过一番周折，徐力终于找到传说自杀已死的张华。他巧施计策，让张华以外调人员身份一起参加审讯三个参与牟晓莉被辱案在押犯的工作。在审讯中，经过一番迫害与反迫害的斗争，使徐力感到十分震惊的是，主犯可能就是自己的儿子徐文涛。当晚，徐力盘问徐文涛，以后又经过反复核对，证实徐文涛是侮辱牟晓莉的同案犯，而张华是被害者。然而，徐力的调查结论遭到公安局梁副局长及妻子--商业局革委会副主任廖琪的反对。徐力最后赢得了张华的信任，弄清这是一场蓄谋的"杀人灭口"案。在阴谋即将败露之际，徐文涛企图销毁罪证，被检察员大刘和张华发现，紧追不舍，徐文涛驾车坠崖身亡。在法庭宣布案件审判结果时，徐力要求对此案进行重新审理，对文涛罪行继续追究，并对廖琪、梁静逸立案拘留……
一连串的悬念叠生，曲折复杂的案件接踵而至。黄浦江浮尸案、人体器官失踪案、药厂毒药案等几宗大案背后都与日本“黑龙会”有着神秘瓜葛……
如果有这样一个哥哥你是否会跟时秒一样每天都想暴走一百遍？！说好的，烤肠给妹妹，自己只吃一口，却一大口都吞掉；说好石头剪刀布，输掉的人去买冰淇淋，回来的时候却少了一个冰淇淋球；土豆炖牛肉连吃6天，最终变成根本看不出来是什么的黑暗料理。“我哥”那个人……霸气侧漏的妹妹“时秒”和懒散逗比的哥哥“时分”，可以因为各种日常小事冲突吵架大打出手，遇到困难的时候，却又坚定地站在对方一边，默默地守护彼此。 哥哥的好基友“甄开心”，傻白甜，也是颜值担当。妹妹的闺蜜“妙妙”可爱热心，差点误会哥哥是“渣男”……
《雪怪大冒险》是一部囊括巨星阵容及美妙原创音乐的全年龄段冒险动画片。当一只年轻活泼的雪人发现了之前本认为不存在的人类，大脚怪传奇自此乱了套。
没有关系。
每個人都有過去，有些人會非常懷念，有些人卻選擇逃避。齊萬碩是圍村齊家村村長齊億章的兒子，他與齊萬基、卞慧晶為兒時玩伴，兩位男生還同時鍾情慧晶。三十年前的中秋節晚上，萬碩、萬基、慧晶酒醉後於迷糊下幹出大逆不道的事情。東窗事發，萬基、慧貞與萬碩分別離開齊家村，萬碩還移居澳洲，希望從此擺脫回憶的枷鎖。然而，三十年後，他們因一些人和事再次碰面，被迫重新面對這件封塵往事……
花的姐姐缘在一次送饭给父亲的时候，被父亲所在大财团的会长看中，于是希望缘可以和会长的孙子高岭相亲。姐姐缘果断拒绝，于是父亲只好拉妹妹花去代替姐姐相亲了。虽然对方是传说中世界性大财团的超帅气大少爷，但没想到是个性格恶劣的人。没忍住冷嘲热讽的花甩了对方一脸假发，结果却被对方看上了。于是豪车接送，黄金玫瑰，王族般的晚宴陆续接来。花的“相亲”生活就此展开。
埃里克·邓恩（Eric Dane）饰演一艘海军驱逐舰的舰长钱德勒（Captain Chandler），在侥幸躲过一场让地球上大多数人丧命的灾难后，作为为数不多的幸存者，他必须要和船员们寻找出路。
负债累累的散打冠军徐伟，因为长相酷似杀手东方木，阴错阳差的成为集团董事长高敏家的保镖，意外卷入了一场绑架阴谋中，面对金钱和人性，徐伟将会如何选择？
龙凯峰被任命为代师长，种种困难和矛盾随之而来，一波三折，有分歧和冲突，更有理解和支持，就在龙凯峰和他的DA师逐步走向成熟之际，却又突然被免职……
Tong, no unit or individual is allowed to occupy the fire exits to build houses, pile things and set up stalls. The existing flammable building intensive areas in cities and towns should be gradually transformed in combination with the overall planning of cities and towns, and contiguous transformation can be carried out if conditions permit. Fire lanes are generally not allowed to park other vehicles, and residents should be discouraged from building illegal buildings and piling up articles. 3. Requirements for setting up fire lanes in factories, warehouses, storage yards, storage tank areas and large public buildings According to the reflection of each fire fighting squadron in fire fighting practice, When a fire occurs in a large area of factories, warehouses, storage yards and storage tank areas, the fire burns very fast, the fire is fierce, and the fire fighting lasts for a long time. If there is no fire ring lane and flat open space, it will inevitably cause fire vehicles to be unable to enter or leave, which will inevitably cause blockage and make it difficult for fire engines to approach the fire site. Therefore, fire lanes should be set up in factories and warehouses. When a Class a, Class B and Class C factory building occupies an area of more than 3000 square meters or a Class B and Class C warehouse occupies an area of more than 1500 square meters, a flat open space with a width of not less than 6m for fire engines to pass through can be set up along its two long sides. Open yard area for flammable and combustible materials, Liquefied gas storage tank area, For Class a, Class B and Class C liquid storage tank areas, there shall be large public buildings such as fire lanes or flat gymnasiums with a width of not less than 6m and a space of more than 3,000 seats, halls with more than 2,000 seats and exhibition halls with an area of more than 3,000 square meters that can be passed through by fire engines. Because of the large volume, large floor area and large and dense personnel, in order to cause fire, there shall be large public buildings such as the gymnasiums with a flat space of more than 3,000 seats, halls with more than 2,000 seats and exhibition halls with an area of more than 3,000 square meters.
板栗听了张大嘴巴，半天合不拢。
Returning to the section on storing events with transactions above, the putListener method called here
每隔一段时间便会有消息送回来，让父亲不必担心。
