login.frm

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VERSION 5.00
Begin VB.Form Login 
   BackColor       =   &H80000016&
   BorderStyle     =   5  'Sizable ToolWindow
   Caption         =   "登录"
   ClientHeight    =   2160
   ClientLeft      =   60
   ClientTop       =   300
   ClientWidth     =   3990
   ControlBox      =   0   'False
   Icon            =   "Login.frx":0000
   LinkTopic       =   "Form1"
   LockControls    =   -1  'True
   MaxButton       =   0   'False
   MinButton       =   0   'False
   Moveable        =   0   'False
   ScaleHeight     =   2160
   ScaleWidth      =   3990
   ShowInTaskbar   =   0   'False
   StartUpPosition =   1  '所有者中心
   Begin VB.Frame Frame1 
      BackColor       =   &H80000000&
      Height          =   1215
      Left            =   240
      TabIndex        =   4
      Top             =   120
      Width           =   3495
      Begin VB.TextBox txtUser 
         Height          =   270
         Left            =   1080
         MaxLength       =   20
         TabIndex        =   0
         ToolTipText     =   "输入用户名，不超过20个字符"
         Top             =   315
         Width           =   2175
      End
      Begin VB.TextBox txtPwd 
         Height          =   270
         IMEMode         =   3  'DISABLE
         Left            =   1080
         MaxLength       =   20
         PasswordChar    =   "*"
         TabIndex        =   1
         ToolTipText     =   "输入密码，不超过20个字符"
         Top             =   795
         Width           =   2175
      End
      Begin VB.Label Label2 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "密　码"
         Height          =   180
         Left            =   240
         TabIndex        =   6
         Top             =   840
         Width           =   540
      End
      Begin VB.Label Label1 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "用户名"
         Height          =   180
         Left            =   240
         TabIndex        =   5
         Top             =   360
         Width           =   540
      End
   End
   Begin VB.CommandButton Cmd_Ok 
      Appearance      =   0  'Flat
      BackColor       =   &H80000000&
      Caption         =   "确 定"
      Default         =   -1  'True
      Height          =   400
      Left            =   435
      MouseIcon       =   "Login.frx":27A2
      MousePointer    =   99  'Custom
      TabIndex        =   2
      Top             =   1560
      Width           =   1300
   End
   Begin VB.CommandButton Cmd_Cancel 
      Appearance      =   0  'Flat
      BackColor       =   &H80000000&
      Cancel          =   -1  'True
      Caption         =   "取 消"
      Height          =   400
      Left            =   2235
      MouseIcon       =   "Login.frx":2AAC
      MousePointer    =   99  'Custom
      TabIndex        =   3
      Top             =   1560
      Width           =   1300
   End
End
Attribute VB_Name = "Login"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public PasswordKey As String
Public NameKey As String
Public Try_times As Integer

Private Sub Cmd_Cancel_Click()
  End
End Sub

Private Sub Cmd_OK_Click()
  Dim j As Single
  If txtUser = "" Then
    MsgBox "请输入用户名"
    txtUser.SetFocus
    Exit Sub
  End If
  If txtPwd = "" Then
    MsgBox "请输入密码"
    txtPwd.SetFocus
    Exit Sub
  End If
  NameKey = MakeStr(txtUser)
  PasswordKey = MakeStr(txtPwd)
  If MyUser.In_DB(NameKey) = False Then
    MsgBox "用户名不存在"
    Try_times = Try_times + 1
    If Try_times >= 3 Then
      MsgBox "您已经三次尝试进入本系统，均不成功，系统将关闭"
      DBapi_Disconnect
      End
    Else
      Exit Sub
    End If
  End If
  MyUser.GetInfo (NameKey)
  If MyUser.Pwd <> PasswordKey Then
    MsgBox "密码错误"
    Try_times = Try_times + 1
    If Try_times >= 3 Then
      MsgBox "您已经三次尝试进入本系统，均不成功，系统将关闭"
      DBapi_Disconnect
      End
    Else
      Exit Sub
    End If
  End If
  CurUser.GetInfo (MyUser.UserName)
  Unload Me
End Sub