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眉目清秀，丰神俊朗，气质安闲，清静无为，身上道韵流淌……孙悟空从来就和这些词没有一个字的关系，但是现在，《佛本是道》中，孙悟空就以这样的形象出场了。The fifth step is to write the implementation of each state class. It is worth noting that StateFactory is used to avoid the problems caused by the absence of abstract classes in javascript.我早没的选了。CCTV financial reporters had an experience. . .Here are a few columns to illustrate the benefits of the responsibility chain:In the example above, the-R option means modifying the specified chain, Using-R INPUT 1 means modifying rule 1 of the INPUT chain, Using-j REJECT means that the action of changing the first rule in the INPUT chain to REJECT. Note: In the above example, the-s option and the corresponding source address cannot be omitted. Even if we have already specified the number corresponding to the rule, when modifying a rule with the-R option, we must specify the original matching condition corresponding to the rule (if there are multiple matching conditions, we need to specify them).(2) The client side initiates a connection request to the server side, and the Reactor listens to the occurrence of the ACCEPT event and sends the ACCEPT event to the corresponding Acceptor processor for processing. The Acceptor processor obtains the connection (SocketChannel) corresponding to this client through the accept () method, and then registers the READ events that the connection is concerned about and the corresponding READ event handler with the Reactor, so that the Reactor will listen for the READ events of the connection. Or when you need to send data to the client, register the WRITE event for the connection and its processor with Reactor.