阳线:=C > REF(C,1);{定义:当日收盘价大于前一日收盘价,标记为阳线}
连阳:=EVERY(阳线,7);{定义:连续7天出现阳线,标记为连阳}
XG1:=EXIST(连阳,20);{条件1:20个交易日内,曾经出现过连续7连阳}
MA20:=MA(CLOSE,20);{计算:20日均线}
MA60:=MA(CLOSE,60);{计算:60日均线}
XG2:=C > MA20 AND C > MA60 AND MA20 > MA60;{条件2:收盘价站上20、60日线,且20日线在60日线上方}
DIFF:=EMA(CLOSE,12)-EMA(CLOSE,26);{MACD指标:计算DIFF线}
DEA:=EMA(DIFF,9);{MACD指标:计算DEA线}
XG3:=DIFF > 0 AND DEA > 0 AND CROSS(DIFF,DEA);{条件3:DIFF和DEA均大于0,且DIFF金叉DEA}
真龙信号:=XG1 AND XG2 AND XG3;{综合信号:同时满足条件1、2、3,标记为真龙信号}
STICKLINE(真龙信号,0,15,3,0),COLORYELLOW;{画柱线:出现真龙信号时,画黄色实心柱}
DRAWTEXT(真龙信号,7,' 真龙'),COLORYELLOW;{显示文字:出现信号时标注黄色“真龙”字样}
零轴:0,DOTLINE,COLORGRAY;{画零轴线:灰色虚线,作为MACD参考线};