主题：[求助]后台如何控制日内交易次数以及区分持仓

runmode:1;

myholding:=stklabel+'_pcb';
tradenumber:=stklabel+'_num';

if extgbdata(tradenumber)>=3 then exit;

if extgbdata(myholding)=0 then begin
 if true then begin
  tbuy(1,1,lmt,close);
  extgbdataset(myholding,1);
 end 
end

if extgbdata(myholding)>0 then begin
 if true then begin
  tsell(1,1,lmt,close);
  extgbdataset(tradenumber,extgbdata(tradenumber)+1);
 end 
end