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Avoid coupling the sender and receiver of the request, make it possible for multiple objects to receive the request, connect these objects into a chain, and pass the request along this chain until an object processes it. This is the responsibility chain mode. In the responsibility chain mode, it is possible for each object to process the request, thus realizing decoupling between the sender and receiver of the request. At the same time, the responsibility chain mode simplifies the structure of the object, which makes each object only need to refer to its successor without knowing the whole chain, thus improving the flexibility of the system and making it more convenient to add new request processing classes. However, we cannot guarantee that all requests can be processed in the responsibility chain, and it is not conducive to observing runtime characteristics.Malicious attackers insert malicious Script codes into Web pages. When users browse the pages, the Script codes embedded in the Web will be executed, thus achieving the purpose of malicious attacks on users.Then install "WeChat Duokaibao" (depending on it for Duokaibao), which can be downloaded and installed from the mobile phone assistant, or the installation package can be downloaded from the computer and transmitted to the mobile phone for installation.The OTG adapter as shown in the figure needs to be purchased.该剧根据河南省消防总队四级士官李昆的同名长篇小说改编，讲述了北港市消防部队的一名消防战士沈笑，凡事都要抢个头功出个风头。后来，他终于明白了军人的价值和荣誉，是建立在祖国和人民的利益之上。该剧讲述了国企干部齐本安（靳东 饰）临危受命，团结广大干部群众，加强党风廉政建设，挽回流失的国有资产，带领企业在经营困境中成功突围的故事。Even so, what Xiao Wang is even more afraid of is that everyone is gradually "resigned".