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退堂后，王尚书将白凡看押起来，自己匆匆进宫见永平帝。Maintain motivation//206故事讲述了一场异度空间里的明朝（皇帝姓马，皇后姓朱）初期跌宕起伏的宫廷斗争！军师诚意伯徐伯明（对应刘伯温）与丞相卢惟龚（对应胡惟庸）之间的次终极较量！Next, we will talk about the responsibility chain mode. There are multiple objects, each of which holds a reference to the next object, thus forming a chain on which requests are passed until an object decides to process the request. However, the sender does not know which object will process the request in the end, so the responsibility chain mode can be implemented to dynamically adjust the system without concealing the client. Let's look at the diagram first:Although the above pop-up code has completed the effect of creating pop-up windows using single mode, the code is not universal. For example, the above is the code for completing pop-up windows. What if we need an iframe on the page in the future? Do we need to rewrite a set of code to create iframe? For example, create an iframe as follows: