frmlogin.frm

对家庭的开支有一个全面的了解和统计

VERSION 5.00
Begin VB.Form frmLogin 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "登录"
   ClientHeight    =   2340
   ClientLeft      =   2835
   ClientTop       =   3480
   ClientWidth     =   3585
   LinkTopic       =   "Form1"
   LockControls    =   -1  'True
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1382.55
   ScaleMode       =   0  'User
   ScaleWidth      =   3366.121
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.TextBox txtUserName 
      Height          =   345
      Left            =   1650
      TabIndex        =   1
      Top             =   855
      Width           =   1365
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定"
      Default         =   -1  'True
      Height          =   390
      Left            =   360
      TabIndex        =   4
      Top             =   1740
      Width           =   1140
   End
   Begin VB.CommandButton cmdCancel 
      Cancel          =   -1  'True
      Caption         =   "取消"
      Height          =   390
      Left            =   1980
      TabIndex        =   5
      Top             =   1740
      Width           =   1140
   End
   Begin VB.TextBox txtPassword 
      Height          =   345
      IMEMode         =   3  'DISABLE
      Left            =   1650
      PasswordChar    =   "*"
      TabIndex        =   3
      Top             =   1245
      Width           =   1365
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Center
      Caption         =   "日常开支管理系统"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   15.75
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00FF0000&
      Height          =   495
      Left            =   240
      TabIndex        =   6
      Top             =   120
      Width           =   3135
   End
   Begin VB.Label lblLabels 
      Caption         =   "用户名称(&U):"
      Height          =   270
      Index           =   0
      Left            =   465
      TabIndex        =   0
      Top             =   870
      Width           =   1080
   End
   Begin VB.Label lblLabels 
      Caption         =   "密码(&P):"
      Height          =   270
      Index           =   1
      Left            =   465
      TabIndex        =   2
      Top             =   1260
      Width           =   1080
   End
End
Attribute VB_Name = "frmLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Public Success As Boolean
Private Sub cmdcancel_Click()
    '设置全局变量为 false
    '不提示失败的登录
    Success = False
    Me.Hide
End Sub

Private Sub cmdok_Click()
   
    Dim txtsql As String
    Dim password As String
    Dim db As Database
    Dim rs As Recordset
    Set db = OpenDatabase(App.Path & "\payout.mdb")
    Set rs = db.OpenRecordset("select * from User")
    '判断用户名和密码是否和都正确
    If Trim$(txtusername.Text) = "" Then
       MsgBox "用户名不能为空，请输入用户名！", vbOKOnly + vbInformation, "提示"
       txtusername.SetFocus
    Else
       txtsql = "select * from user where user_name='" & txtusername.Text & "'"
       username = Trim(txtusername.Text)
       Set rs = db.OpenRecordset(txtsql)
       If rs.EOF = True Then
          MsgBox "用户名不存在，请重新输入用户名！", vbOKOnly + vbInformation, "提示"
          txtusername.Text = ""
          txtpassword.Text = ""
          txtusername.SetFocus
       Else
          If Trim$(rs.Fields(2)) = Trim$(txtpassword.Text) Then
             Success = True
             rs.Close
             Me.Hide
           Else
             MsgBox "输入的密码不正确，请重新输入！", vbOKOnly + vbInformation, "提示"
             txtpassword.Text = ""
             txtpassword.SetFocus
          End If
      End If
End If

End Sub

Private Sub Form_Load()
Success = False
End Sub

Private Sub txtpassword_GotFocus()
cmdok.Default = True

End Sub

Private Sub txtpassword_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
  SendKeys "{TAB}"
End If

End Sub

Private Sub txtusername_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
   txtpassword.SetFocus
End If
cmdok.Default = False
End Sub