中线买卖主图源码

DA:(3*CLOSE+OPEN+LOW+HIGH)/6,POINTDOT;
 DB:(20*DA+19*REF(DA,1)+18*REF(DA,2)
 +17*REF(DA,3)+16*REF(DA,4)+15*REF(DA,5)+14*REF(DA,6)+13*REF(DA,7)
 +12*REF(DA,8)+11*REF(DA,9)+10*REF(DA,10)+9*REF(DA,11)
 +8*REF(DA,12)+7*REF(DA,13)+6*REF(DA,14)+5*REF(DA,15)+4*REF(DA,16)+3*REF(DA,17)
 +2*REF(DA,18)+REF(DA,20))/210,COLORF0F000;DC:MA(DB,5),COLORYELLOW,LINETHICK1;
 STICKLINE(DC>DB , DC,DB ,2.5,0),COLORRED,LINETHICK2;
 STICKLINE(DB>DC,DC,DB,2.5,0),COLORGREEN,LINETHICK2;
买点:=CROSS(DB,DC) AND DB>DC;
 DRAWTEXT(买点,DB*0.98,'买点'),COLORYELLOW;
卖点:=CROSS(DC,DB) AND DC>DB;
 DRAWTEXT(卖点,DC*1.02,'卖点'),COLORYELLOW;