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明確關(guān)鍵點(diǎn): 要搞懂事件在多個(gè)ChannelHandler間的傳播順序款票,有兩個(gè)關(guān)鍵點(diǎn)需要明確 1.pipeline初始化時(shí),會(huì)創(chuàng)建兩個(gè)哨兵Han...