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秦淼捂着嘴大惊，又一想这是闹着玩的，讪讪地放下手，又问道：你拉着我干嘛？板栗一边猫着腰在树林里窜，一边四下打量，嘴里轻声道：让你跟着我见识见识，看我是怎么用兵的。Observer mode: pay attention to encapsulating object notification, support the change of communication object, realize the change of object state, notify and update the objects that depend on it.First of all, we still define the methods of Hero constructor and Hero object prototype. In these prototype methods of Hero object, we are no longer responsible for the specific execution logic, but transfer the operation to the intermediary object, which is responsible for doing specific things. We can name the intermediary object playerDirector;.For example, some common outsourcing companies receive a project, Then the received project may be the person in charge of the project or the manager level of the company. After receiving the project, the manager does not develop it himself. Leave it directly to the project manager for development, The project manager is certainly not willing to develop it himself. Oh, It will hand over the project to the following code farmers to do, So the coder handles it, If the code farmers don't handle it, Then the project may be directly suspended, but after the final completion, the outsourcing company does not know who developed that part of these projects. It does not know or care about it. What it cares about is that the project has been handed over to the outsourcing company and has been developed without any bugs. Therefore, the advantages of the responsibility chain mode lie here:These attacks usually use server resources rather than bandwidth from the server. They can also use the resources of network devices (such as firewalls, intrusion detection systems, and switches) on the periphery of the server. Examples include Smurf attacks (ICMP using broadcast IP spoofed IP), Fraggle attacks (same as Smurf, using UDP only), SYN flooding, dead pings (super large ICMP with the same destination and source IP and port), and many others.********秦淼的疑惑并未持续多久，很快就有人为她解惑了。中午的时候，绿萝找人将自己抬到院子中，云淡风轻，阳光明媚照在人身上很是舒服。