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Command mode: Pay attention to encapsulating requests as objects, support changes in requests, and realize decoupling between behavior requestors and behavior implementers by abstracting a group of behaviors as objects.The CSRF Token is only used against CSRF attacks. When the website also has XSS vulnerabilities, then this plan is also empty talk.Command mode belongs to the behavior mode of an object. Command mode encapsulates a request or operation into an object, and separates the responsibility of issuing the command from the responsibility of executing the command through abstraction of the command. The implementation of command mode can provide the functions of revocation and recovery of commands. The specific structure diagram is shown below.张槐就让刘黑皮去云州，把粮食什么的都卖了，云州城里的铺子也关了大唐初年乃中国历史上最为兴盛的历史时期，明群贤相，政治清明，尤其是天宝年间的贤相房玄龄更是为后世景仰，然而他却有一个被人诟病的话题：怕老婆！…………时间：不明，应该在很早、很早以前。讲述民国时期一名叫做宁五原的中国共产党的出色战士，周旋在爸爸、父亲、爹中寻找真相，并找到自己的亲生父亲，看宁五原是如何在夹缝中完成任务，又要解决与四个父亲之间的恩怨。