主题：老师帮忙编写一下

//交易系统
//平空:SELLSHORT(开多平空条件,手数,MARKET);
//平多:SELL(开空平多条件,手数,MARKET);
if 开多平空条件 and x<=1 then begin
BUY(开多平空条件 and holding=0,10%,MARKET);
x:=x+1;
end
if 开空平多条件 and y<=1 then begin
BUYSHORT(开空平多条件 and holding=0,10%,MARKET);
y:=y+1;
end

 if l<=ref(hhv(h,enterbars+1),1)*0.99 and holding>0 and enterbars>0 then begin
 sell(1,0,market);
 y:=0;
 end
 if h>=ref(llv(l,enterbars+1),1)*1.01 and holding<0 and enterbars>0 then begin
  sellshort(1,0,market);
  x:=0;
  end