Publish-subscribe mode is also called observer mode. It defines a one-to-many relationship between objects, allowing multiple observer objects to monitor a topic object at the same time. When an object changes, all objects that depend on it will be notified.
The second step is to transform the Upload constructor and create an instance object for each state subclass in the constructor:
而且目前为止，启明作者主要收入还是读者订阅产生的稿费。
The policy pattern defines a series of algorithms and encapsulates each algorithm so that they can be replaced with each other, and the changes in the algorithms will not affect the customers who use the algorithms. It is necessary to design an interface to provide a unified method for a series of implementation classes. Multiple implementation classes implement the interface, design an abstract class (optional, belonging to auxiliary class), and provide auxiliary functions. The diagram is as follows:
Narin 的姐姐Leela曾经喜欢Kawee，在Kawee出国读书前向他送花表白，但是Kawee只是一个脾气很坏的富家子，言语间非常看不起她，嘲弄她。导致Leela跑出去时，出了车祸。五年后，Leela本想开始新的生活，但是就在她跟新男友要结婚之计，不幸与Kawee的爸爸KID发生车祸，Leela的男友和KID的妻子都不幸去世。KID承担了所有责任并帮助Leela。在与Leela的接触中，KID爱上了Leela。知道KID是Kawee的父亲，虽然不爱KID，但是Leela想向Kawee复仇，于是Leela同意了KID的求婚，成为Kawee的继母……
(3) Instruments, equipment and facilities suitable for the maintenance and testing business scope of fire fighting facilities;
侠客文化用《天河传奇》继续占领海外市场，在国内则是请出司马二和你争锋。
影片以乌兰牧骑“扎根基层、服务群众”的乌兰牧骑精神而引发的爱情故事为主题，讲述的是乌珠穆沁乌兰牧骑女歌手萨拉与草原喜爱音乐创作的青年索伦之间由歌而生、由歌而分、由歌而合的爱情故事。
《兴国，兴国！》取材于1926年至1934年苏区兴国革命历史，反映的是革命英雄谢勋东的成长过程，以及他与夏迎秋在战火中的爱情传奇。该剧运用当代视觉，以土地、农民这一中国革命的中心问题作为切入点，真实而艺术地再现兴国苏区革命史乃至整个中央苏区革命中那段轰轰烈烈的历史，再现当年老一辈无产阶级革命家建立和管理政权的一系列革命实践活动，英雄成长和改造世界的矛盾冲突作为核心命题将贯穿全剧始终。
这个女生摊摊手，一脸无奈，小雪，我和你说你多少遍，我真得不知道。
顺治十八年，大清江山初定，人才极缺。顺治和康亲王正为此事焦虑，八岁的玄烨（康熙）在一旁出主意：“何不在前朝上千举子中选几个能人，为我大清所用呢！”前朝副榜贡生于成龙因皇子的这句话，便做了广西罗城的知县。他典房卖地，抹泪别了老母、妻儿，带着四个乡下小子上任了。罗城的前几任县官都被盗匪砍了头，城中百姓，无人敢搭理新县官。匪首李吉趁他还未立稳脚跟，连下毒手：火烧县衙残杀仆役，短短几天，四个仆人两死一疯，生死关头，于成龙向知府借兵，设计将李吉擒获新杀。于成龙又和仆人朝卿到瑶人侗人居住的寨子，苦苦相劝，软硬兼施，终于化解了民族矛盾，稳住了阵脚。罗城的局面大大改变。不料，他费尽心机为百姓借来的种子和耕牛，一夜之间被挂锦县的盗贼马胡子抢劫一空，桂锦县令胡神不但不还东西反而日出狂言，被逼无奈的于成龙率乡勇越界征讨，夺回自家的耕牛和种子。胡坤的黑状告到了巡抚衙门。广西巡抚金光祖突然来到罗城要见识一下胆大包大的于成龙。正赶上于成龙为朝庭收兑税银。不想瑶侗百姓一番哭诉，巡抚大人便对于成龙刮目相看。于成龙升为湖
两日后同一批书生离开清南村，赴京城应考，不在话下。
[Fuda Alloy IPO Investigation: Suspected of Concealing Actual Controller's Dishonesty of Important Related Parties in Mutual Insurance Litigation]
曾鹏能不得意吗？他本名不见经传，不过有些小聪明。
I remember the fighting was fierce, Almost everyone's barrel was red, But that's it, There is still a "slip through the net" in these things, Towards the end of the third exchange of fire, And one came up from the right side of the position, I turned around and shot it, After pulling the trigger, One shot hit him in one of his hind legs, I watched helplessly as the impact of the bullet knocked its hind legs off its body. But it doesn't seem to care, It is still a leap forward, He threw himself on a soldier named Zhou Xiaolin beside me. Biting his thigh and not letting go, Ge Xiaolin's painful "wah-wah" yelling, I think we've just had an attack, A little respite, He asked two people to help him get this thing off his leg with me. As a result, I was busy for nearly 5 minutes, Break this thing up with a dagger, But it did not let go, Finally, I used a faster knife. It's only by opening its mouth from the outside to the inside that it's allowed to let go. But Zhou Xiaolin is still relatively unfortunate, Although the thing was loose, almost a small watermelon area of meat was torn off on his bitten left thigh, and the thigh bone inside could be seen from the front. A cyan artery on the outside of the thigh was also exposed for a while, while he himself was in a coma due to excessive blood loss and severe pain.
那只美丽的咖啡色蝴蝶同样也在她心中翩翩飞舞着。
清朝年间，汤州国库黄金被盗，朝野震惊，龙颜震恕。此案错综复杂，牵涉甚广，三年中几任钦差大臣均落得无功而返，最后落得身首异处。一个偶然的机会，迂腐落后又不失机智幽默的潘安，因独特的行为方式被微服而至的皇上选中，稀里糊涂成了御赐钦差，专门负责国库被盗一案，自此，一个小小的候补官作为紫禁城内一颗一起眼的棋，卷入了血腥四起的重重灾难，也卷入了两个女人的感情漩涡。某日，潘安带着王爷安插在身边的小敦子和未过门的大脚媳妇开始了他的钦差征程。王爷的女儿冷香格格也悄然出京，一路随行。在赴汤州途中，潘安屡遭追害，险象环生。遇贪官险成冤鬼、撞恶霸遭遇欺诈、回家省亲又丢了尚方宝剑。一路上幸有醋劲十足的媳妇马大脚和武艺超群的侠士刘不云护驾，而情深义重的冷香格格也屡次解围。几个痴情男女历经磨难，终于掌握了国库黄金的下落，不料却发现了更大的秘密，演绎出一段段惊心动魄又妙趣横生的传奇故事。
……击杀夺命书生后，华夫人答应把秋香嫁给唐伯虎，不过却提出了一个条件，需要唐伯虎在二十个披着红盖头的新娘中，选中秋香。
Non-state enterprises:
