dea:=stkindi('','macd.dea',0,datatype);
diff:=stkindi('','macd.diff',0,datatype);
n1:=sumbars(cross(dea,diff),1);
n2:=sumbars(cross(dea,diff),2);
m1:=sumbars(cross(diff,dea),1);
m2:=sumbars(cross(diff,dea),2);
开多:ref(dea,n1-1)>ref(dea,n2-1);
开空:ref(dea,m1-1)<ref(dea,m2-1);
取的是最近的两次金叉的dea以及最近两次死叉时的dea,上面写的就是分别获取我所讲的值