protected DefaultChannelPipeline newChannelPipeline() { return new DefaultChannelPipeline(this); } 在channelPipeline里面持有一个channel对象 bstractChannel 有一个 pipeline 字段, 在构造器中会初始化它为 DefaultChannelPipeline的实例. 这里的代码就印证了一点: 每个 Channel 都有一个 ChannelPipeline. 接着我们跟...
Original Printhead Zebra Thermal Printhead, 220XI3 plus 203dpi, G22000M (220XiII, 220XiIII, 220XiIIIPlus) Q&A 1.How long is the warranty? The general is 3months.But the warranty varies from different spare parts 2.what express can I choose? w...