For i = 0 To Count-1 Set Report1 =
MarketData.GetReportDataByIndex("ZQ",i) '只处理SR合约 if Left(Report1.Label,2) = "SR"
Then '只处理有效合约 if Right(Report1.Label,2) >= "01" And
Right(Report1.Label,2) <= "12" Then If Report1.Volume > MaxVolume
Then MaxCode = Report1.Label MaxVolume =
Report1.Volume End if end if End if Next
'显示成交量最大得合约 MsgBox MaxCode CALL Document.SetExtString("code_zl",MarCode) End Sub 消息显示主力合约筛选成功,但全局变量为空字符串。