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李敬文脚步就慢了下来，等她说完了，才道：我哪里就那么娇气了？你跟板栗在军中都能过，我这点苦还不能吃？再说，家里也派了人去伺候。8.1 Cardiovascular diseases are unqualified.自由摄影师赵泽瑞(张文骏饰)与前女友程琳(李金莎饰)分手后整日沉迷花丛，不料一天一夜情之后醒来，发现自己变身成了大美女(孙莉娅饰)，回到家急急忙忙向自己同居的好朋友黄新(袁伟龙饰)证明自己的身份……Rowing boatIn the above code, we use three functions, order500, order200, orderNormal to handle its own business logic, If the current own function cannot handle things, We pass it to the following function to handle it. By analogy, Until there is a function that can handle him, Otherwise, the responsibility chain mode will leave the chain directly, telling that it cannot be processed and throwing an error prompt. Although the above code can be used as the responsibility chain mode, we can see from the above code that the Order500 function depends on functions such as Order200, so there must be this function, which also violates the open-closed principle in object-oriented. Let's continue to understand writing flexible and detachable responsibility chain nodes.