module1.bas

该系统是用VB开发的一个人事管理系统

Option Explicit

Public fMainForm As frmMain '程序主窗体
Public fLogin As frmLogin ' 程序登录窗体
Public UserName As String '用户名
Public PWD As String     '用户密码
Public Level As Integer   '用户级别
Public CONN As String '数据库连接字符串
Public flagEdit As Boolean

Sub Main()
      CONN = "FileDSN=renshi.dsn;UID=sa;PWD="
    Dim fLogin As New frmLogin
    fLogin.Show vbModal
    If Not fLogin.ok Then
        '登录失败后退出程序
        End
    End If
    Unload fLogin
    Set fMainForm = New frmMain
    fMainForm.Show
End Sub

Public Function ExecuteSQL(ByVal SQL _
   As String, MsgString As String) _
   As ADODB.Recordset '执行SQL语句并返回Recordset对象
   Dim cnn As ADODB.Connection
   Dim rst As ADODB.Recordset
   Dim sTokens() As String
   On Error GoTo ExecuteSQL_Error
   sTokens = Split(SQL)
   Set cnn = New ADODB.Connection
   cnn.Open CONN
   '打开连接
   If InStr("INSERT,DELETE,UPDATE", _
      UCase$(sTokens(0))) Then
      cnn.Execute SQL
      MsgString = sTokens(0) & _
         " 查询成功"
   Else
      Set rst = New ADODB.Recordset
      rst.Open Trim$(SQL), cnn, _
         adOpenKeyset, _
         adLockOptimistic
      Set ExecuteSQL = rst
      MsgString = "查询到" & rst.RecordCount & _
         " 条记录 "
      '获取记录的条数
   End If
ExecuteSQL_Exit:
   Set rst = Nothing
   Set cnn = Nothing
   Exit Function
ExecuteSQL_Error:
   MsgString = "查询错误: " & _
      Err.Description
   Resume ExecuteSQL_Exit
End Function

Public Function Testtxt(txt As String) As Boolean
    If Trim(txt) = "" Then
        Testtxt = False
    Else
        Testtxt = True
    End If
End Function