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说的直白一些，诸先生的铸剑术再怎么高超，但他实际上终究只是一个工匠，是靠技艺吃饭的人我们之间2　　Gilayn Wang也有他的计划。莫明（彭昱畅 饰）为修复在战斗中破裂的炎枪重黎，不惜与“御管部门”爆发冲突，却落入九卿组织的重重阴谋之中，三方势力竞相争夺七煌器灵，在一次次挫折和打击中，莫明收获了器灵和御灵师们的信任，继承天工会，承担起守护器灵的责任，终于从一个默默无名的少年成长为能独当一面的英雄。就在陈启浮想翩翩的时候，手机突然响了。In the above code, we use three functions, order500, order200, orderNormal to handle its own business logic, If the current own function cannot handle things, We pass it to the following function to handle it. By analogy, Until there is a function that can handle him, Otherwise, the responsibility chain mode will leave the chain directly, telling that it cannot be processed and throwing an error prompt. Although the above code can be used as the responsibility chain mode, we can see from the above code that the Order500 function depends on functions such as Order200, so there must be this function, which also violates the open-closed principle in object-oriented. Let's continue to understand writing flexible and detachable responsibility chain nodes.