//计算成交量加权成本线Vwapprice=Entprice*IIF(MarketPosition>0,1-Longshort_stop*0.001,IIF(MarketPosition<0,1+Longshort_stop*0.001,0)); Wi =Vol[1];Wisum=Wisum+Wi;Vwap=(Wi*Vwapprice)+Vwap;Vwapline=Vwap/Wisum;VWAP_A=Vwapline;Entprice是进场时的价格Longshort_stop是默认的止损止盈幅度