We know that for the above code, Xiao Hong subscribes to shoeObj, an object that buys shoes, but if we need to subscribe to buying houses or other objects in the future, we need to copy the above code and change the object code inside again. For this reason, we need to encapsulate the code.
[Original by Aika SUV Channel]
DI: Dependency Injection
非洲大草原上,千百年来始终上演不变的残酷舞蹈。由于人类的捕猎与开发土地,狮子数量锐减,生存空间始终在缩小,母狮马蒂陶一家的领地便受到迁徙狮群的挑战。在争夺领地的过程中,马蒂陶失去了她的公狮,不得不带着三只小狮子一路逃开寻找新的领地。横跨河流的过程中,一只小狮子丧生,马蒂陶和剩下两个孩子成功渡河到了一片名为“杜巴”的小岛。修整生息之后,岛上又迎来同样被迫迁徙的野牛群,马蒂陶慢慢掌握猎杀野牛的技巧,也持续躲避其他狮群的追击,还要面对鬣狗的争食。“单身妈妈”马蒂陶和她的幼崽是否是地球上最后的狮子的缩影呢?曾经的百兽之王如今生存得这样艰难。
Well, in the above example, we have changed the action in the rule from DROP to REJECT, so what is the difference between DROP and REJECT? Literally, DROP means discarded, REJECT means rejected, and REJECT seems to be more determined. Let's launch a ping request from host 146 to host 156 again to see what is different from the previous action of DROP.
The relationship between behavioral patterns:
当时只是疑惑城池的命名,现在看来尹旭是早已有了这样的打算,早早地就开始就准备了。
一场洪灾让儿时玩伴澪和野江被冲散。澪被大阪料理名店天满一兆奄的老板娘收留,给予了澪温暖,也发现了澪极具料理天分。一场大火烧了店铺也葬送了老板的性命。澪和老板娘肩负着重振天满一兆奄之名,来到了江户。无意中被一家名为鹤屋的料理店老板发现,勾起了老板对已逝女儿的回忆,在发现澪颇具天分后,让澪在鹤屋帮起忙来。
但最初澪的料理并没有得到客人的喜欢,相反还惹怒了客人。使其料理之路步履维艰,在几次受挫和经由浪人小松原及永田医生的点拨和帮助后,澪悟出了大阪和江户饮食的差别,做出了改变。改良后的食物得到了肯定,但很快就被其它店铺模仿,于是澪开始思索真正属于自己的味道,鹤屋生意的兴隆让老牌名店嫉妒不已且暗中想要破坏;而另一方面,儿时玩伴野江也在江户,以自己的力量守护着澪······