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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.Four, how to improve their ownQueuePutListener/crack如今想来，是看她了。胖女孩欲桓是一个胖胖圆圆能吃能玩的女孩,不同于别的胖女孩,她敢于面对生活,即使不受男生喜欢,也能玩的很嗨。有一天奇迹发生在了她的身上,她穿越回了唐朝，在这里她遇到了对她万分疼爱的寿王李瑁。欲桓在现代从来没有一个人跟他表白,在这里她第一次感受到了爱情的存在，于是成为了寿王妃,开元二十五年武惠妃逝世,寿王寿王妃二人前去拜见唐玄宗,唐玄宗悲痛欲绝,看到欲桓后感觉自己梦中女子出现在了自己眼前,眼神透出淡淡的爱意,心里想要的就是欲桓,可欲桓现在是自己儿子的妃子,该如何去争去夺,旁边的董贵妃把这一切看在眼里,一心想成为皇后的她会去怎么做,一场剧烈的夺桓之战正式拉开......