DDX金叉结合KDJ低位金叉源码

tj1:=cross("ddx.ddx1","ddx.ddx2") or cross("ddx.ddx1","ddx.ddx3");
 tj2:="ddx.ddx1">"ddx.ddx2" and "ddx.ddx2">"ddx.ddx3";
 tj3:=cross("kdj.k"(9,3,3),"kdj.d"(9,3,3)) and "kdj.d"(9,3,3)<30;
 tj4:=tj1 and tj2 and count(tj3,3);
 tj5:=count(tj1 and tj2,3) and tj3;
 xg:tj4 or tj5;