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VB与数据库应用一例----生成EXCEL表
作者:佚名  文章来源:不详  点击数  更新时间:2008/4/18 14:44:40  文章录入:杜斌  责任编辑:杜斌

  小生初学炸练,总结了以下一个方法,因为时间有限,所以没有太多检查程序,难免有BUG,但是关键功能没有问题。这测试过了.

  这个程序可以将下图表格中(MSHFLEXGRID控件)的数据生成一个EXCEL表,这样可以省去用VB来编写打印排版程序的麻烦。想一想自已动手用VB或DELPHI写一个像EXCEL的排版功能一样的东东,是多么的恐怖!!。所以嘿嘿。。

  原程序下载:
  因为我用的是ACCESS2000的样本数据库---NorthWind.mdb 所以安了OFFICE2000的可以下载下面这个:(不代  NorthWind.mdb,下载后请将Office2000里那个COPY到这个程序的目录中就行)go.163.com/~chunpeng/Project/PrintExcela.zip

  没有NorthWind.mdb的可以下载这个:go.163.com/~chunpeng/Project/PrintExcel.zip

  高手可以直接看下面,如果用VB做过数据库应用的朋友给点意见,这种方法我曾在多个MIS系统中见过,只不过生成的是WORD文档。这是一种比较典型的方法。

  Public WithEvents rs As ADODB.Recordset
  Dim conn As ADODB.Connection
  Dim myPanel As Panel

  Private Sub Form_Load()
  Set rs = New ADODB.Recordset
  Set conn = New ADODB.Connection
  conn.CursorLocation = adUseClient
  conn.Open "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source=" + App.Path + "\northwind.mdb;"
  rs.Open "select *from 产品", conn, adOpenStatic, adLockOptimistic
  Set MSgrid1.DataSource = rs

  StatusBar1.Panels.Clear
  Set myPanel = StatusBar1.Panels.Add(, "Record")
  myPanel.AutoSize = sbrContents
  myPanel.Text = "总共有" & " " & rs.RecordCount & " " & "条记录"
  End Sub

  Private Sub Form_Resize()
  With MSgrid1
  .Left = 0
  .Top = Toolbar1.Height
  .Width = Me.ScaleWidth - 10
  .Height = Me.ScaleHeight - (StatusBar1.Height + 700)
  End With

  End Sub



  Private Sub Print_cmd_Click()
  Form2.Show
  Dim myExcel As New Excel.Application, i, j, k As Integer, col As String
  With myExcel
  On Error GoTo Excle
  .Application.Visible = False
  .Workbooks.Add

  ´***********画字段************
  j = 0
  ´Example: B2 ----G2 ´列 本程序从B列,和第2行开始
  For i = 66 To (66 + rs.Fields.Count - 1) ´从RS中头一个字段到最后一个
  col = Chr(i) & "2" ´Chr(66)就是B
  ´Debug.Print col
  Range(col).Select
  ActiveCell.FormulaR1C1 = rs.Fields(j).Name ´
  j = j + 1
  Next i
  ´****************************
  ´*************以先横后竖顺序画表***************
  k = 0
  rs.MoveFirst
  DoEvents
  For j = 3 To 3 + rs.RecordCount ´本程序从B3开始,所以用3
  k = 0
  For i = 66 To (66 + rs.Fields.Count - 1)
  col = Chr(i) & CStr(j) ´得到目标表格的值如 C3
  Range(col).Select
  ActiveCell.FormulaR1C1 = rs.Fields(k)
  k = k + 1
  Next i
  On Error Resume Next
  Form2.Probar.Value = Form2.Probar.Value + 1
  rs.MoveNext

  If rs.EOF = True Then
  Unload Form2
  .Application.Visible = True
  End If

  Next j
  ´************************************
  End With
  Exit Sub

  Excle:
  MsgBox ("您没有安装EXCLE2000,请先安装EXCEL2000")
  End Sub

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