frmlogin.frm

1:首先要导入hotel数据

VERSION 5.00
Object = "{E95A2510-F3D1-416D-823B-4F840FE98091}#3.0#0"; "Command.ocx"
Begin VB.Form frmLogin 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "身份验证"
   ClientHeight    =   2430
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4905
   ControlBox      =   0   'False
   Icon            =   "frmLogin.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2430
   ScaleWidth      =   4905
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin CSCommand.Command cmdCancel 
      Cancel          =   -1  'True
      Height          =   300
      Left            =   3360
      TabIndex        =   5
      Top             =   1995
      Width           =   855
      _ExtentX        =   1508
      _ExtentY        =   529
      IconAlign       =   0
      Icon            =   "frmLogin.frx":0E42
      Caption         =   "退出(&Q)"
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
   End
   Begin CSCommand.Command cmdLogin 
      Default         =   -1  'True
      Height          =   300
      Left            =   2160
      TabIndex        =   4
      Top             =   1995
      Width           =   855
      _ExtentX        =   1508
      _ExtentY        =   529
      IconAlign       =   0
      Icon            =   "frmLogin.frx":0E5E
      Caption         =   "确定(&O)"
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
   End
   Begin VB.Frame Frame1 
      Caption         =   "用户验证"
      Height          =   1575
      Left            =   1800
      TabIndex        =   0
      Top             =   250
      Width           =   2775
      Begin VB.ComboBox cmbType 
         Height          =   300
         ItemData        =   "frmLogin.frx":0E7A
         Left            =   960
         List            =   "frmLogin.frx":0E87
         TabIndex        =   2
         Top             =   720
         Width           =   1575
      End
      Begin VB.ComboBox cmbUser 
         Height          =   300
         ItemData        =   "frmLogin.frx":0E9F
         Left            =   960
         List            =   "frmLogin.frx":0EA1
         TabIndex        =   1
         Text            =   "选择用户"
         Top             =   360
         Width           =   1575
      End
      Begin VB.TextBox txtPassword 
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00008000&
         Height          =   270
         IMEMode         =   3  'DISABLE
         Left            =   960
         PasswordChar    =   "*"
         TabIndex        =   3
         Top             =   1080
         Width           =   1575
      End
      Begin VB.Label Label2 
         Caption         =   "用户等级"
         Height          =   255
         Index           =   1
         Left            =   120
         TabIndex        =   8
         Top             =   720
         Width           =   855
      End
      Begin VB.Label Label2 
         Caption         =   "密 码"
         Height          =   255
         Index           =   0
         Left            =   120
         TabIndex        =   7
         Top             =   1080
         Width           =   615
      End
      Begin VB.Label Label1 
         Caption         =   "用户名"
         Height          =   255
         Left            =   120
         TabIndex        =   6
         Top             =   360
         Width           =   615
      End
   End
   Begin VB.Label Label3 
      Caption         =   "身份验证"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   26.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   2175
      Left            =   600
      TabIndex        =   9
      Top             =   120
      Width           =   495
   End
End
Attribute VB_Name = "frmLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim sql As String
Dim a As Integer


Private Sub cmbUser_Click()
    cmbType.SetFocus
End Sub

Private Sub cmdCancel_Click()
    If MsgBox("要退出系统吗？", vbQuestion + vbOKCancel, "系统退出") = vbOK Then
        End
    End If
End Sub

Private Sub cmdLogin_Click()
    Dim con As New ADODB.Connection
    Dim rs As New ADODB.Recordset
    If a = 4 Then
        MsgBox "非法用户 系统退出", vbCritical + vbOKOnly, "系统验证"
        End
    End If
    If txtPassword.Text = "" Then
        MsgBox "请输入密码！", vbInformation + vbOKOnly, "系统验证"
        Exit Sub
    End If
    sql = "select * from administrator where admin='" & cmbUser.Text & "' and ad_pwd='" & txtPassword.Text & "'and ad_type='" & cmbType.Text & "' "
    If mdlCon.connectToserver(con, rs, sql) Then
        mdlCon.userName = cmbUser.Text
        mdlCon.userPassowrd = txtPassword.Text
        mdlCon.userType = cmbType.Text
        mdfrmMain.Show
        rs.Close
        con.Close
        Unload Me
    Else
        MsgBox "用户名、密码或用户等级错误！", vbOKOnly, "系统验证"
        a = a + 1
        txtPassword.Text = ""
        txtPassword.SetFocus
        rs.Close
        con.Close
    End If
End Sub
Private Sub Form_Load()
    Dim con As New ADODB.Connection
    Dim rs As New Recordset
    Dim UserStr As String
    Dim i As Integer
    cmbType.ListIndex = 0
        
    UserStr = "select * from administrator"
    If mdlCon.connectTotable(con, rs, UserStr) Then
        While Not rs.EOF
            cmbUser.AddItem rs!admin
            rs.MoveNext
        Wend
        rs.Close
        con.Close
    Else
        MsgBox "欢迎初次使用本《酒店管理系统》默认用户名和密码：admin", vbInformation + vbOKOnly, "欢迎登录"
        rs.Close
        rs.Open "insert into administrator values('admin','经理','admin')"
    End If
End Sub