SAP SAP读取 快速读取SAP里返回的数据

当sap里返回数据比较多时如果通过value(行,列)返回会很慢(20来万会用一两个小时),
这时可以用returnMessTable_SO.Data获得一个二维数组然后再取二维数组里面的数据,
下面就是例子:

 以前一二十万数据需要用好几个小时,而用这种方法只需几分钟就可以了 

Dim functionCtrl As Object 'sap function Dim sapConnection As Object 'sap conncetion Dim theFunc As Object 'function Dim result As Boolean '连接是否成功 functionCtrl = CreateObject("Sap.Functions") sapConnection = functionCtrl.Connection sapConnection.Client = "" sapConnection.Language = "" sapConnection.User = "" sapConnection.password = "" sapConnection.ApplicationServer = "" sapConnection.SystemNumber = "" result = sapConnection.Logon(0, True) If result = False Then ' Response.Write(Cls_common.ShowErrMessage("连接失败，请重试")) Exit Sub End If theFunc = functionCtrl.Add("") Dim returnMessTable_SO As Object '出参表，返回信息 theFunc.Call() returnMessTable_SO = theFunc.TABLES.Item(1) '出参 Dim i As Double Dim icount As Integer icount = returnMessTable_SO.RowCount '取得sap里每一列所在的位置 Dim NUM As Integer = returnMessTable_SO.Columns("MANDT").Index Dim BUKRS As Integer = returnMessTable_SO.Columns("BUKRS").Index Dim KONTO As Integer = returnMessTable_SO.Columns("KONTO").Index Dim BELNR As Integer = returnMessTable_SO.Columns("BELNR").Index Dim GJAHR As Integer = returnMessTable_SO.Columns("GJAHR").Index Dim BUZEI As Integer = returnMessTable_SO.Columns("BUZEI").Index Dim NAME1 As Integer = returnMessTable_SO.Columns("NAME1").Index Dim FAEDT As Integer = returnMessTable_SO.Columns("FAEDT").Index Dim DMSHB As Integer = returnMessTable_SO.Columns("DMSHB").Index Dim HWAER As Integer = returnMessTable_SO.Columns("HWAER").Index Dim PRCTR As Integer = returnMessTable_SO.Columns("PRCTR").Index Dim HKONT As Integer = returnMessTable_SO.Columns("HKONT").Index Dim VBELN As Integer = returnMessTable_SO.Columns("VBELN").Index Dim ZTERM As Integer = returnMessTable_SO.Columns("ZTERM").Index Dim REBZG As Integer = returnMessTable_SO.Columns("REBZG").Index Dim BWWRT_B As Integer = returnMessTable_SO.Columns("BWWRT_B").Index Dim BWWRT_C As Integer = returnMessTable_SO.Columns("BWWRT_C").Index Dim connectionString As String connectionString = "连接字符串" Dim rs As New SqlClient.SqlBulkCopy(connectionString) Dim dt As New DataTable Using connection As New SqlClient.SqlConnection(connectionString) Dim adapter As New SqlClient.SqlDataAdapter() '给dt设置每一列 adapter.SelectCommand = New SqlClient.SqlCommand("select * from 表 where 1=2", connection) adapter.Fill(dt) End Using Dim data As Object data = returnMessTable_SO.Data For i = 1 To icount Step 1 Dim row As DataRow = dt.NewRow() '将sap里的每一列赋给dt,用这种方法比用returnMessTable_SO.Value(i, BUKRS)快很多 row("NUM") = data(i, NUM) row("BUKRS") = data(i, BUKRS) row("KONTO") = data(i, KONTO) row("BELNR") = data(i, BELNR) row("GJAHR") = data(i, GJAHR) row("BUZEI") = data(i, BUZEI) row("NAME1") = data(i, NAME1) row("FAEDT") = data(i, FAEDT) row("DMSHB") = data(i, DMSHB) row("HWAER") = data(i, HWAER) row("PRCTR") = data(i, PRCTR) row("HKONT") = data(i, HKONT) row("VBELN") = data(i, VBELN) row("ZTERM") = data(i, ZTERM) row("REBZG") = data(i, REBZG) Dim tobject As Object tobject = data(i, BWWRT_B) row("BWWRT_B") = tobject If IsDBNull(tobject) Then row("BWWRT_B") = 0 End If tobject = data(i, BWWRT_C) row("BWWRT_C") = tobject If IsDBNull(tobject) Then row("BWWRT_C") = 0 End If row("cautodate") = Date.Now dt.Rows.Add(row) Next i rs.DestinationTableName = "表" '将dt里面的信息更新到表里 rs.WriteToServer(dt)

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