Public Sub sub1()Dim Connect As ObjectDim Functions As ObjectFunctions=CreateObject("Sap.Functions")‘创建RFC的本地对象 Connect = Functions.Connection ‘设置连接 Connect.ApplicationServer = "192.168.1.220" ‘赋值服务器IPConnect.Client = "001" ‘赋值SAP集团代码 Connect.Language = "ZH" ‘置SAP系统界面中文 Connect.User = "USER1" ‘赋值SAP登录用户名 Connect.Password = "123456" ‘赋值SAP登录用户密码 Connect.SystemNumber = 1 ‘赋值SAP系统号 Connect.ABAPDebug = TrueIf Not Connect.Logon(0, True) Then ‘软件登录SAP并判断Dim ffffffffff = 1Else ‘登录SAP成功 End IfDim oFun As ObjectoFun = Functions.Add("ZTEST2")oFun.exports("MBLNR") = "aaa"Dim returnFuncreturnFunc = oFun.CallDim ssss = oFun.imports("MSG").ValueDim tb1 As Objecttb1 = oFun.Tables("TB_MATNR")Dim iFor i = 1 To tb1.rowcountDim s1s1 = tb1(i, "MATNR")Next iEnd Sub

‘----------------------------------------------------------------‘  Copyright (C) ‘  版权所有。 ‘‘  文件名  ：SAP.vb‘  功能描述：封装对SAP的基本访问，本类只提供基础信息，具体访问SAP RFC的类从此类继承‘  ‘  创建标识：www.cnblogs.com/slashout， ‘ ‘  修改标识：www.cnblogs.com/slashout， ‘  修改描述：增加传入内表、传出参数等的封闭操作‘ ------------------------------------------------------------------------Public Class SAP    PRivate m_sapObject As Object       ‘sap远程函数调用对象    Protected m_sapFun As Object        ‘sap函数    Private m_sapConnection As Object   ‘与SAP的连接    ‘‘‘ <summary>    ‘‘‘ 构造函数，传入sap的基本信息    ‘‘‘ </summary>    ‘‘‘ <param name="sapSystem">Sap系统，可以传入null</param>    ‘‘‘ <param name="applicationServer">SAP服务器ip</param>    ‘‘‘ <param name="Client">集团号，如800</param>    ‘‘‘ <param name="SystemNumber">系统编号，如00</param>    ‘‘‘ <remarks></remarks>    Public Sub New(ByVal sapSystem As String, ByVal ApplicationServer As String, ByVal Client As String, ByVal SystemNumber As String)        Me.m_sapObject = CreateObject("SAP.Functions")        Me.m_sapConnection = Me.m_sapObject.Connection()        If String.IsNullOrEmpty(sapSystem) = False Then            Me.m_sapConnection.System = sapSystem        End If        Me.m_sapConnection.ApplicationServer = ApplicationServer        Me.m_sapConnection.Client = Client        Me.m_sapConnection.SystemNumber = SystemNumber    End Sub    ‘‘‘ <summary>    ‘‘‘  登录SAP，成功，返回True，失败，返回False    ‘‘‘ </summary>    ‘‘‘ <param name="User">用户</param>    ‘‘‘ <param name="PassWord">口令</param>    ‘‘‘ <param name="Language">语言，如ZH、EN等，可以传入null</param>    ‘‘‘ <returns>是否登录成功</returns>    ‘‘‘ <remarks></remarks>    Public Function ConnectToSAP(ByVal User As String, ByVal Password As String, ByVal Language As String) As Boolean        Me.m_sapConnection.user = User        Me.m_sapConnection.Password = Password        If String.IsNullOrEmpty(Language) = False Then            Me.m_sapConnection.Language = Language        Else            Me.m_sapConnection.Language = "EN"        End If        Me.m_sapObject.AutoLogon = True                                ‘自动登录        Return Me.m_sapObject.Connection.logon(0, True)                ‘登录是否成功    End Function    ‘‘‘ <summary>    ‘‘‘ 设置调用的sap函数名称    ‘‘‘ </summary>    ‘‘‘ <param name="sapFuncName">sap函数名称</param>    ‘‘‘ <remarks></remarks>    Public Sub 设置SAP远程函数名(ByVal sapFuncName As String)        Me.m_sapFun = Me.m_sapObject.Add(sapFuncName)        If m_sapFun Is Nothing Then            Throw New Exception("Sap远程函数名无效：" + sapFuncName)        End If    End Sub    ‘‘‘ <summary>    ‘‘‘ 设置Sap函数的传入调用参数    ‘‘‘ </summary>    ‘‘‘ <param name="paramName">参数名称</param>    ‘‘‘ <param name="paramValue">参数值</param>    ‘‘‘ <remarks></remarks>    Public Sub 设置参数(ByVal paramName As String, ByVal paramValue As Object)        Dim param As Object        param = Me.m_sapFun.Exports(paramName)        If param Is Nothing Then            Throw New Exception("Sap远程函数的参数名无效：" + paramName)        End If        param.Value = paramValue    End Sub    ‘‘‘ <summary>    ‘‘‘ 设置sap的传入内表，用dt_value模拟这个内表    ‘‘‘ </summary>    ‘‘‘ <param name="SapTableName">sap函数传入内表的名字</param>    ‘‘‘ <param name="dt_value">模拟的DataTable，要求与传入内表的字段名一致</param>    ‘‘‘ <remarks></remarks>    Public Sub 设置传入内表(ByVal SapTableName As String, ByVal dt_value As DataTable)        Dim sapdata As Object                       ‘sap传入内表        Dim saprow As Object                        ‘sap传入内表的一行        Dim dc As DataColumn        Dim index As Integer        sapdata = Me.m_sapFun.Tables(SapTableName)        For index = 0 To dt_value.Rows.Count - 1    ‘循环表，并给sap传入内表赋值            saprow = sapdata.Rows.Add()             ‘传入内表新增一行记录，下面为传入内表记录赋值            For Each dc In dt_value.Columns                saprow(dc.ColumnName) = dt_value.Rows(index)(dc.ColumnName).ToString()            Next        Next    End Sub    ‘‘‘ <summary>    ‘‘‘ 当参数设置完成后，执行函数调用    ‘‘‘ </summary>    ‘‘‘ <remarks></remarks>    Public Sub 执行函数调用()        If Me.m_sapFun.Call() = False Then            Throw New Exception("Sap远程函数调用失败。")       ‘从SAP取数出错，退出函数        End If    End Sub    ‘‘‘ <summary>    ‘‘‘ 根据字段列表（逗号分隔）建立指定字段的DataTable    ‘‘‘ </summary>    ‘‘‘ <param name="fields">字段列表（逗号分隔）</param>    ‘‘‘ <returns>空表</returns>    ‘‘‘ <remarks></remarks>    Public Function 建立空表(ByVal fields As String) As DataTable        Dim dt As New DataTable        Dim strs As String()        Dim s As String        strs = fields.Split(",")        For Each s In strs            dt.Columns.Add(s.Trim())        Next        Return dt    End Function    ‘‘‘ <summary>    ‘‘‘ 取得sap的传出参数值    ‘‘‘ </summary>    ‘‘‘ <param name="paramName">传出参数名</param>    ‘‘‘ <returns>传出参数值</returns>    ‘‘‘ <remarks></remarks>    Public Function 取Sap传出参数(ByVal paramName As String) As String        Dim param As Object        param = Me.m_sapFun.Imports(paramName)        If param Is Nothing Then            Throw New Exception("Sap远程函数的参数名无效：" + paramName)        End If        If param.Value Is Nothing Then            Return ""        Else            Return param.Value.ToString()        End If    End Function    ‘‘‘ <summary>    ‘‘‘ 把sap函数调用结构的传出内表转成dotNet的表    ‘‘‘ </summary>    ‘‘‘ <param name="fields">sap传出内表的字段列表，字段间以逗号分隔</param>    ‘‘‘ <param name="SapTableName">sap传出内表的表名</param>    ‘‘‘ <returns>把sap内表导出的dotnet表，字段都为string型</returns>    ‘‘‘ <remarks></remarks>    Public Function 取Sap传出表数据(ByVal fields As String, ByVal SapTableName As String, ByVal 是否去前后空格 As Boolean) As DataTable        ‘按字段列表建立表，fields中的字段列表用逗号分隔        Dim dt As DataTable        dt = Me.建立空表(fields)        ‘从sap表中读数据，循环sap中取得的数据，写入dt        Dim sapdata As Object        Dim saprow As Object        Dim dr As DataRow                       ‘数据增加的新行        Dim dc As DataColumn        sapdata = Me.m_sapFun.Tables(SapTableName)        For Each saprow In sapdata.Rows            dr = dt.NewRow()            For Each dc In dt.Columns                If 是否去前后空格 = True Then                    dr(dc.ColumnName) = saprow(dc.ColumnName).ToString().Trim()                Else                    dr(dc.ColumnName) = saprow(dc.ColumnName).ToString()                End If            Next            dt.Rows.Add(dr)        Next        Return dt    End Function    ‘‘‘ <summary>    ‘‘‘ 关闭sap的连接    ‘‘‘ </summary>    ‘‘‘ <remarks></remarks>    Public Sub DisConnectSAP()        Me.m_sapConnection.logoff()    End SubEnd Class