这是一个通道指标的源码 中间是多空线 上下两条轨道是通道线 k线实体突破上轨做多，跌破下轨做空。上下轨分别也是止损位(his is a source of intermediate channel index is two tracks long and short line is the channel line K-line entity breakthrough track, below the short track. The upper and lower rails are also