sxd566
級別: *
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我剛接觸wincc,現在要在wincc里做一個月報表,需要每天在當天結束時將數據庫中的日表里的每項數據讀出來求平均值再寫入月表里,現在沒辦法實現數據讀取,可能是連接不到數據庫, Dim objConnection Dim strConnectionString Dim opertime,device,command Dim strSQL Dim objCommand Dim DsnStr Dim dt Dim PV1,PV2,PV3,PV4,PV5,PV6,PV7,PV8,PV9,PV10,PV11,PV12,PV13,PV14,PV15,PV16 Dim iday,imonth,iyear,ihour DsnStr="CC_sheet" strConnectionString = "Provider=MSDASQL;DSN="&DsnStr&";database=repotrdb;UID=sa;PWD=;" dt=Now() '系統時間 imonth=Month(dt) iyear=Year(dt) iday=Day(dt) ihour=Hour(dt) pv4="select influx from daydata where zyear="& iyear & " And zmonth= " &imonth & "And zday=" & iday & " " MsgBox pv4 'Set objConnection = CreateObject("ADODB.Connection") 'objConnection.ConnectionString = strConnectionString objConnection.Open Set objCommand = CreateObject("ADODB.Command") HMIRuntime.Trace strsql objCommand.ActiveConnection = objConnection objCommand.CommandText = strSQL objCommand.Execute objcomand Set objCommand = Nothing objConnection.Close Set objConnection = Nothing SQL語句在報表編輯器中的動態表格中測試是可以的 哪位高手知道的指點一下,急~~~~~ |
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