超巿管理系统login.frm

完整的超市管理系统

VERSION 5.00
Begin VB.Form login 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "超巿管理系统"
   ClientHeight    =   3900
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   5145
   Icon            =   "超巿管理系统login.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   Picture         =   "超巿管理系统login.frx":08CA
   ScaleHeight     =   3900
   ScaleWidth      =   5145
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command3 
      Caption         =   "注 册"
      BeginProperty Font 
         Name            =   "华文行楷"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   1920
      TabIndex        =   7
      Top             =   2520
      Width           =   1095
   End
   Begin VB.CommandButton Command2 
      Caption         =   "退 出"
      BeginProperty Font 
         Name            =   "华文行楷"
         Size            =   15
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   3240
      TabIndex        =   6
      Top             =   2520
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "登 陆"
      BeginProperty Font 
         Name            =   "华文行楷"
         Size            =   15
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   630
      TabIndex        =   5
      Top             =   2520
      Width           =   1095
   End
   Begin VB.TextBox Text2 
      Appearance      =   0  'Flat
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1560
      PasswordChar    =   "*"
      TabIndex        =   4
      Top             =   1680
      Width           =   1935
   End
   Begin VB.TextBox text1 
      Appearance      =   0  'Flat
      Height          =   375
      Index           =   0
      Left            =   1560
      TabIndex        =   2
      Top             =   1080
      Width           =   1935
   End
   Begin VB.Label Label4 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "回车"
      BeginProperty Font 
         Name            =   "华文行楷"
         Size            =   15.75
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H000000FF&
      Height          =   330
      Left            =   3570
      TabIndex        =   8
      Top             =   1710
      Width           =   660
   End
   Begin VB.Image Image1 
      Height          =   240
      Left            =   3720
      Picture         =   "超巿管理系统login.frx":C0058
      Top             =   1560
      Width           =   240
   End
   Begin VB.Label Label3 
      BackStyle       =   0  'Transparent
      Caption         =   "密  码："
      BeginProperty Font 
         Name            =   "隶书"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   360
      TabIndex        =   3
      Top             =   1680
      Width           =   1695
   End
   Begin VB.Label Label2 
      BackStyle       =   0  'Transparent
      Caption         =   "用户名："
      BeginProperty Font 
         Name            =   "隶书"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Index           =   0
      Left            =   360
      TabIndex        =   1
      Top             =   1080
      Width           =   1695
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "用户登陆"
      BeginProperty Font 
         Name            =   "华文行楷"
         Size            =   15
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1860
      TabIndex        =   0
      Top             =   570
      Width           =   1455
   End
End
Attribute VB_Name = "login"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

                      'VB 在线
                    'www.VBzx.net
'                  VB在线 收集整理
'+------------------------------------------------+
'                http://www.VBzx.net
'+------------------------------------------------+
Private Sub Command1_Click()
 Dim txtSQL As String
    Dim mrc As ADODB.Recordset
    Dim MsgText As String
    Static miCount As Integer
    'ToDo: create test for correct password
    'check for correct password
    
    UserName = ""
    If Trim(text1(0).Text = "") Then
        MsgBox "没有这个用户，请重新输入用户名！", vbOKOnly + vbExclamation, "警告"
       text1(0).SetFocus
    Else
        txtSQL = "select * from 用户信息表 where 用户名 = '" & text1(0).Text & "'"
        Set mrc = ExecuteSQL(txtSQL, MsgText)
        If mrc.RecordCount = 0 Then
    MsgBox "没有记录，是否注册一个用户", vbOKCancel, "警告！"
    Exit Sub
    Unload Me
    reg.Show
    End If
        
        If mrc.EOF = True Then
            MsgBox "没有这个用户，请重新输入用户名!", vbOKOnly + vbExclamation, "警告"
            text1(0).SetFocus
        Else
            If Trim(mrc.Fields(1)) = Trim(Text2.Text) Then
                OK = True
                mrc.Close
                Me.Hide
                UserName = Trim(text1(0).Text)
                
                 main.Show
            Else
                MsgBox "输入密码不正确，请重新输入！", vbOKOnly + vbExclamation, "警告"
                Text2.SetFocus
                Text2.Text = ""
            End If
        End If
       
    End If
    
    miCount = miCount + 1
    If miCount = 3 Then
        Unload login
        Unload main
        Unload reg
    End If
    Exit Sub
End Sub

Private Sub Command2_Click()
Unload login
End Sub

Private Sub Command3_Click()
Unload login
reg.Show
End Sub



Private Sub Text2_KeyDown(KeyCode As Integer, Shift As Integer)
If KeyCode = 13 Then
Call Command1_Click
End If
End Sub