frmlogin.frm

用VB编写的酒店管理系统

VERSION 5.00
Begin VB.Form FrmLogin 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "登陆"
   ClientHeight    =   3390
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4980
   Icon            =   "FrmLogin.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3390
   ScaleWidth      =   4980
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.PictureBox CmdCancel 
      Height          =   495
      Left            =   2880
      ScaleHeight     =   435
      ScaleWidth      =   1155
      TabIndex        =   5
      ToolTipText     =   "取消"
      Top             =   2520
      Width           =   1215
   End
   Begin VB.PictureBox CmdOK 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   960
      ScaleHeight     =   435
      ScaleWidth      =   1155
      TabIndex        =   6
      ToolTipText     =   "确定"
      Top             =   2520
      Width           =   1215
   End
   Begin VB.Frame Frame1 
      Appearance      =   0  'Flat
      BackColor       =   &H80000000&
      Caption         =   "请输入用户名和口令"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H80000008&
      Height          =   1935
      Left            =   480
      TabIndex        =   0
      Top             =   240
      Width           =   4095
      Begin VB.TextBox txtPassword 
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   375
         IMEMode         =   3  'DISABLE
         Left            =   1440
         PasswordChar    =   "*"
         TabIndex        =   2
         Top             =   1080
         Width           =   2415
      End
      Begin VB.ComboBox CmbUserName 
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   360
         Left            =   1440
         TabIndex        =   1
         Top             =   480
         Width           =   2415
      End
      Begin VB.Label Label2 
         BackColor       =   &H8000000A&
         Caption         =   "口  令："
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   255
         Left            =   360
         TabIndex        =   4
         Top             =   1200
         Width           =   1335
      End
      Begin VB.Label Label1 
         BackColor       =   &H8000000A&
         Caption         =   "用户名："
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   255
         Left            =   360
         TabIndex        =   3
         Top             =   600
         Width           =   1215
      End
   End
   Begin VB.Shape Shape2 
      Height          =   735
      Left            =   480
      Top             =   2400
      Width           =   4095
   End
   Begin VB.Shape Shape1 
      Height          =   3375
      Left            =   0
      Top             =   0
      Width           =   4935
   End
End
Attribute VB_Name = "FrmLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim rs As ADODB.Recordset
Dim sqlstr As String
Dim msgstr As String
Dim errnum As Integer '记录错误次数

Private Sub CmdCancel_Click()
Unload Me
End
End Sub


Private Sub CmdOK_Click()
If CmbUserName.Text = "" Then
  MsgBox "用户名不能为空！", vbInformation, "警告"
  Exit Sub
End If
sqlstr = "select * from admin_info where name=" & Chr(34) & CmbUserName.Text & Chr(34)
Set rs = ExecuteSQL(sqlstr, msgstr)
If txtPassword.Text = rs.Fields("password") & "" Then
  rights = rs.Fields("rights")
  username = CmbUserName.Text
  Unload Me
  FrmSplash.Show
Else
  If errnum < 2 Then
    MsgBox "密码错误！", vbInformation, "警告"
    txtPassword.SetFocus
    SendKeys "{Home}+{End}"
    errnum = errnum + 1
    Else
    MsgBox "密码错误次数超过3次！", vbInformation, "警告"
    Unload Me
    End
  End If
End If
End Sub

Private Sub Form_Load()
Dim i As Integer
 sqlstr = "select * from admin_info"
 Set rs = ExecuteSQL(sqlstr, msgstr)
Do While Not rs.EOF
 CmbUserName.List(i) = rs.Fields("name")
 rs.MoveNext
 i = i + 1
Loop
rs.Close
End Sub