{参数:SHORT 5/30/7 LONG 10/250/19} T:=PERIOD; D:=IF(T=0,30,IF(T=1,25,IF(T=8,25,IF(T=2,20,IF(T=3,20,IF(T=4,20,IF(T=5,10,IF(T=6,10,IF(T=7,10,IF(T=9,10,IF(T=10,10,10))))))))))); RMA:=EMA(CLOSE,SHORT); NMA:=EMA(CLOSE,LONG); UP:DRAWLINE(L=LLV(L,BARSLAST(CROSS(NMA,RMA))+1) AND L=LLV(L,D) AND RMA<=NMA,L,H=HHV(H,BARSLAST(CROSS(RMA,NMA))+1) AND H=HHV(H,D) AND RMA>=NMA,H,0),COLORWHITE; DOWN:DRAWLINE(H=HHV(H,BARSLAST(CROSS(RMA,NMA))+1) AND H=HHV(H,D) AND RMA>=NMA,H,L=LLV(L,BARSLAST(CROSS(NMA,RMA))+1) AND L=LLV(L,D) AND RMA<=NMA,L,0),COLORWHITE;