frmlogin.frm

本系统本系统采用VB6.0+SQL2000,紧扣旅游的关键要素,进述如何对这些旅游资源进行管理,具有很强的实用性,既可以作为独立的系统使用,也可以作为旅游企业综合业务管理系统的一个重要组成部分,本系统

VERSION 5.00
Begin VB.Form FrmLogin 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "身份验证"
   ClientHeight    =   2160
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   3990
   ControlBox      =   0   'False
   Icon            =   "FrmLogin.frx":0000
   LinkTopic       =   "Form1"
   LockControls    =   -1  'True
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2160
   ScaleWidth      =   3990
   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 
      BackColor       =   &H80000000&
      Caption         =   "确 定"
      Default         =   -1  'True
      Height          =   400
      Left            =   435
      MouseIcon       =   "FrmLogin.frx":0442
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   2
      Top             =   1560
      Width           =   1300
   End
   Begin VB.CommandButton Cmd_Cancel 
      BackColor       =   &H80000000&
      Cancel          =   -1  'True
      Caption         =   "取 消"
      Height          =   400
      Left            =   2235
      MouseIcon       =   "FrmLogin.frx":074C
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   3
      Top             =   1560
      Width           =   1300
   End
End
Attribute VB_Name = "FrmLogin"
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
  '数据有效性检查
  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)
  '判断用户是否存在
  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
  '判断密码是否正确
  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
  '登录成功，将当前用户的信息保存在CurUser中
  CurUser.GetInfo (MyUser.UserName)
  '关闭自己
  Unload Me
End Sub