会员.frm

一个很有意思的点菜系统前后台连接齐全~做课程设计的同学可以参考

VERSION 5.00
Begin VB.Form frmLogin 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "会员登录"
   ClientHeight    =   1545
   ClientLeft      =   5550
   ClientTop       =   7890
   ClientWidth     =   3750
   Icon            =   "会员.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1000
   ScaleMode       =   0  'User
   ScaleWidth      =   3521.047
   ShowInTaskbar   =   0   'False
   Begin VB.TextBox txtUserName 
      Height          =   345
      Left            =   1290
      TabIndex        =   1
      Top             =   135
      Width           =   2325
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定"
      Default         =   -1  'True
      Height          =   390
      Left            =   480
      TabIndex        =   4
      Top             =   1020
      Width           =   1140
   End
   Begin VB.CommandButton cmdCancel 
      Cancel          =   -1  'True
      Caption         =   "取消"
      Height          =   390
      Left            =   2100
      TabIndex        =   5
      Top             =   1020
      Width           =   1140
   End
   Begin VB.TextBox txtPassword 
      Height          =   345
      IMEMode         =   3  'DISABLE
      Left            =   1290
      PasswordChar    =   "*"
      TabIndex        =   3
      Top             =   525
      Width           =   2325
   End
   Begin VB.Label lblLabels 
      Caption         =   "会员卡号(&U):"
      Height          =   270
      Index           =   0
      Left            =   105
      TabIndex        =   0
      Top             =   150
      Width           =   1080
   End
   Begin VB.Label lblLabels 
      Caption         =   "密码(&P):"
      Height          =   270
      Index           =   1
      Left            =   105
      TabIndex        =   2
      Top             =   540
      Width           =   1080
   End
End
Attribute VB_Name = "frmLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Dim hytable As Recordset
Dim dcdb As Database
Dim rbtable As Recordset
Dim dcpath As String
Public LoginSucceeded As Boolean

Private Sub cmdCancel_Click()
    '设置全局变量为 false
    '不提示失败的登录
    LoginSucceeded = False
    Unload Me
End Sub

Private Sub cmdOK_Click()

dcpath = "c:\点菜系统.mdb"
Set dcdb = OpenDatabase(dcpath)
Set hytable = dcdb.OpenRecordset("会员表", dbOpenTable)
Set rbtable = dcdb.OpenRecordset("日报表", dbOpenTable)

If txtUserName = "" Then
MsgBox "输入卡号！"
Exit Sub
End If

hytable.MoveFirst
While Not hytable.EOF
If hytable.Fields(0) = txtUserName And hytable.Fields("密码") = txtPassword Then
  discount = hytable.Fields(5)
  total_money = hytable.Fields(3)
  dcdb.Close
  MsgBox "登陆成功！"
  Form1.Command2.Caption = "会员选菜"
  username = txtUserName
  username2 = txtUserName
   Unload frmLogin
   Form1.memberpassword.Enabled = True
   Form1.memberchoice.Enabled = True
   'Form2.Show
Exit Sub

ElseIf hytable.Fields(0) = txtUserName And hytable.Fields("密码") <> txtPassword Then
  MsgBox "密码不正确！"
  dcdb.Close
Exit Sub

End If
hytable.MoveNext
Wend

MsgBox "对不起，您还不是会员！"
dcdb.Close

End Sub

Private Sub Form_Load()
'Form1.Enabled = False
End Sub

Private Sub Form_Unload(Cancel As Integer)
Form1.Show
'Form1.Enabled = True
End Sub