Although the above code can meet the requirements, it is not easy to expand and difficult to read. If I want one or two conditions in the future, if I want to recharge 300 yuan successfully, I can win the 150 yuan red envelope, then I have to change the code inside at this time, so the coupling between business logic and code is relatively high, and I accidentally correct the wrong code. At this time, we try to use the responsibility chain mode to transfer objects in turn to realize it.
Suppose we get the inventory of all colors of mobile phones from the background in advance.
我晌午还没吃呢，肚子都空了。
讲述了生性善良的少年王小石下山游历，初入江湖，在机缘巧合下结识了白愁飞、温柔、苏梦枕等人，与他们建立了一生的友谊，并在风云际会的京城江湖中，体会到兄弟义气、红尘缠绵，并在这一过程中由懵懂少年逐渐成长为独当一面的“英雄”的故事。
Enumeration < Observer > enumo = vector. Elements ();
MDT members encourage constructive discussions and debates;
她要是知道你俩折腾，不知会怎样收拾你们。
Panel becomes 1152 + 15 x 4.8 = 1224
Don't say what Jia Lian will think after listening to Lin Huiyin's words, and no matter how the Jia family reacted after seeing Jia Lian go back alone, after settling down in the small courtyard of the Lins,...
1 ", each Sentinel process sends a PING command once per second to the Master master server, Slave slave server, and other Sentinel processes throughout the cluster.
6. Understanding of Command Mode
该剧讲述了毒理昆虫学专业研究生谭景天无意中卷入一桩离奇的案件，在协助警察破案的过程中，与年轻女法医金灵产生交集，并解开了自己的身世之谜，揪出了隐藏多年的幕后真凶的故事。
高智商、高学历的化学工程师吕云鹏，只身前往西南边陲，凭借海关监控和一张快递单，历经数月摸排，锁定了杀害大哥吕云飞父子的凶手，意欲报仇。吕云飞是打入金三角贩毒组织的警察，暴露后被杀，牺牲前通过快递包裹传回情报，因手段非常，警方一直未能破解。女警江伊楠作为吕云飞的搭档和学生，赶赴明山追凶查案，行动中，不断遭遇吕云鹏的冒险行为，百般劝阻。可吕云鹏软硬不吃，且凭借超凡的化学专业知识与过人的智慧胆识，与警方同步接近着真相，甚至破译出大哥遗留密码的真实含义。
At the end of the day, What had been piled up was much like a hill bag. Grenades, mines and explosive cartridges, I can't believe it's almost bottomed out. It hit three strange things closest to us. At that time, I remember that the visual straight distance was less than 10 meters. Two of them are just dog-like monsters, Another one is just the one covered in "blood bubbles", I thought I'd be done by killing them, Unexpectedly, after killing two dog-like monsters, The one with the "blood bubble" jumped up and jumped into the air, About less than 2 meters high, Then those "blood bubbles" on the body exploded in the air, Its body was also shattered in the explosion, Then a lot of sticky purple liquid spilled out of the blood bubble and its body. These liquids are all over the place, Then the smell grew stronger, At that time, I was exactly sure that the smell was emitted from this liquid. If it was only bad smell, it would be all right. What was more terrible was that it had serious consequences on the skin. I remember a soldier named Jiang Yong, because he was closest to it, he was caught on his left small arm by a liquid.
法姆不由分说加入战局，而阿德兹联邦总统鲁斯吉尼亚（兴津和幸 配音）的心中又隐藏着什么不可告人的秘密呢？
贾伊、拉瓦和库萨是三胞胎，但个性迥异。拉瓦是好心的放贷银行经理，库萨善良而狡猾，贾伊则是最危险的坏蛋。故事讲述了三兄弟的传奇……
只不过在命运的指引下，毛伊还是随着莫阿娜踏上未知的征途……
汉王刘邦则是继续揣着明白装糊涂，笑问道：怎么了？怎么都不说话呢？众将反倒是有些尴尬，大殿里暂时陷入一种奇怪的宁静中，最终还是樊哙忍不住先行开口。
“花党“的形象顾问【高英洙】由【朴志训】饰演，他是汉阳城里炙手可热的红人，拥有出众的时尚品味和渊博的造型知识，能把任何「非好感」的形象变成「好感型」。【卞宇锡】则饰演情报高手【道俊】，拥有完美的外表、人品、头脑和学识，只可惜家道中落、无缘仕途，刚好马勋看中他无边无际的情报能力，促使他也加入花党，作为花党情报员活跃起来。
Having said so much, I hope everyone can find an accurate cleaning position for themselves so that they can learn pertinently. Based on my personal experience, I would like to make some recommendations for learners at different stages:
