主题：求助老师

if holding>0 and low<sml then begin
平多:(intpart(min(o,sml)/mindiff))*mindiff;
sell(1,0,limitr,平多),IGNORECHECKPRICE;
end

if holding<0 and high>sml then begin
平空:=(ceiling(max(o,sml)/mindiff))*mindiff;
sellshort(1,0,limitr,平空),IGNORECHECKPRICE;
end

if holding=0 and high>上轨 then begin
开多:=(ceiling(max(o,上轨)/mindiff))*mindiff;
buy(1,手数,limitr,开多),IGNORECHECKPRICE;
end

if holding=0 and low<下轨 then begin
开空:=(intpart(min(o,下轨)/mindiff))*mindiff;
buyshort(1,手数,limitr,开空),IGNORECHECKPRICE;
end