范例1:
//返回沪深300区间总股本加权最高市值
stks:= getbkbydate('SH000300',inttodate(20101231));
BegT:= inttodate(20110101);
EndT:= inttodate(20110630);
return StocksHighandLowValue(stks,BegT,EndT,0,0);
//返回结果:2203419561
范例2:
//返回沪深300区间总股本加权最高和最低市值
stks:= getbkbydate('SH000300',inttodate(20101231));
BegT:= inttodate(20110101);
EndT:= inttodate(20110630);
return StocksHighandLowValue(stks,BegT,EndT,0,2);
//返回结果:array(2203419561,1919828119)
StocksLow