范例1:
//返回沪深300区间加权平均成交
stks:= getbkbydate('SH000300',inttodate(20101231));
BegT:= inttodate(20110101);
EndT:= inttodate(20110630);
return StocksPjCj (stks,BegT,EndT,0,0);
//结果是:12
范例2:
//返回沪深300区间算术平均平均成交
stks:= getbkbydate('SH000300',inttodate(20101231));
BegT:= inttodate(20110101);
EndT:= inttodate(20110630);
return StocksPjCj (stks,BegT,EndT,1,0);
//结果是:16.87
Bk_PjCj