首先,要定义连接的数据集

    Set objRec = CreateObject("ADODB.Recordset")
    Set objConn = CreateObject("ADODB.Connection")

然后在代码中要定义SQL语句,以便获取数据

 sqlstr = sqlstr + "  select t1.FBillNo ,t_Item.fname type,t1.FNote,t2.FNumber,t2.FName, t2.FModel,t1.FQty,  "
    sqlstr = sqlstr + " convert(varchar,T1.FCommitDate,23) rwxdrq,convert(varchar,t1.fheadselfj01111,23) rkrq,   "
    sqlstr = sqlstr + "t4.FItemID,t4.FName,t3.Fmaketime   from icmo t1 inner join t_icitem  t2 on t1.fitemid=t2.FItemID "
    sqlstr = sqlstr + " left join t_BOS257800028Entry2  t3  on t3.FID_SRC=t1.FInterID and t3.FBillNo_SRC1=t1.FBillNo "
    sqlstr = sqlstr + " left join t_Item_3005 t4 on t3.FBase4=t4.FItemID "
    sqlstr = sqlstr + " left join t_Item on t_item.fitemid=t1.FHeadSelfJ01100 and t_item.FItemClassID=3002 "
    sqlstr = sqlstr + "where t1.fheadselfj01111 >=" & "'" & Sdate & "'" & "  and t1.fheadselfj01111<=" & "'" & Edate & "'"

有三个方案用来获取数据
方法一

    '连接数据库并执行SQL语句
   objConn.ConnectionString = "Provider=SQLOLEDB;Data Source=192.168.100.3;Initial Catalog=AIS20150813141843;User ID=sa;Password=Chr_2016"
    objConn.Open
     Set objRec = objConn.Execute(sqlstr)
     If Not objRec.EOF Then

    '将结果集保存到工作表
    Set WS = ThisWorkbook.Worksheets(sheetName) '
    '将标题写入工作表
     For i = 0 To objRec.Fields.count - 1
        WS.Cells(1, i + 1).Value = objRec.Fields(i).Name
     Next i
    ActiveSheet.Range("A2").CopyFromRecordset objRec
    
'''    关闭记录集和连接
    objRec.Close
    objConn.Close
''    '释放对象
    Set objRec = Nothing
    Set objConn = Nothing

   Else
     MsgBox "没有数据,请重新选择时间段"
     Exit Sub
   End If

方法二,这段代码在WPS下能够执行,但在EXCEL下会报错

''     执行查询并将结果存储在记录集对象中
''    '连接数据库并执行SQL语句
   objConn.ConnectionString = "Provider=SQLOLEDB;Data Source=192.168.100.3;Initial Catalog=AIS20150813141843;User ID=sa;Password=Chr_2016"

    objConn.Open
   objRec.Open sqlstr, objConn
   
    If Not objRec.EOF Then

''     设置工作表对象
   Set WS = ThisWorkbook.Sheets(sheetName) ' 可以更改为你要写入数据的工作表名称
''     将数据写入工作表
    With WS.QueryTables.Add(Connection:=objRec, Destination:=WS.Range("A1"))
       .Refresh
    End With
    '''    关闭记录集和连接
    objRec.Close
    objConn.Close
''    '释放对象
    Set objRec = Nothing
    Set objConn = Nothing

   Else
     MsgBox "没有数据,请重新选择时间段"
     Exit Sub
   End If

在EXCEL中执行时,会提示
在这里插入图片描述

方法三,由于方法二在EXCEL中执行会有问题,经查询资料,使用ListObjects的方法进行。但此方法在EXCEL中能执行,WPS中执行会报错(WPS中无ListObject对象)

  ActiveWorkbook.Queries.Add Name:="查询1", Formula:= _
        "let" & Chr(13) & "" & Chr(10) & "    源 = Odbc.Query(""dsn=CHR"", """ & sqlstr & """)" & Chr(13) & "" & Chr(10) & "in" & Chr(13) & "" & Chr(10) & "    源" & ""
   ''     设置工作表对象
    Set WS = ThisWorkbook.Sheets(sheetName) ' 可以更改为你要写入数据的工作表名称
    With ActiveSheet.ListObjects.Add(SourceType:=0, Source:= _
        "OLEDB;Provider=Microsoft.Mashup.OleDb.1;Data Source=$Workbook$;Location=查询1;Extended Properties=""""" _
        , Destination:=WS.Range("$A$1")).QueryTable
        .CommandType = xlCmdSql
        .CommandText = Array("SELECT * FROM [查询1]")
        .RowNumbers = False
        .Refresh BackgroundQuery:=True '后台进行查询,false时会跳出对话框
    End With
   ActiveWorkbook.Queries(1).Delete '删除查询

如果系统设置过ODBC,也可以将连接语句设置如下

dim connstring as string
     connString = "DRIVER={ODBC Driver 17 for SQL Server};" & _
                  "SERVER=192.168.100.3;" & _
                  "DATABASE=AIS20150813141843;" & _
                  "UID=sa;" & _
                  "PWD=Chr_2016;"

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