登录.frm

车票信息系统用于vb课程设计是初级软件

VERSION 5.00
Begin VB.Form 登录1 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "登录"
   ClientHeight    =   1650
   ClientLeft      =   2835
   ClientTop       =   3480
   ClientWidth     =   3960
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   Picture         =   "登录.frx":0000
   ScaleHeight     =   974.874
   ScaleMode       =   0  'User
   ScaleWidth      =   3718.226
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.TextBox txtUserName 
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   15
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   345
      Left            =   1290
      TabIndex        =   1
      Top             =   120
      Width           =   2325
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定"
      Default         =   -1  'True
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   390
      Left            =   495
      TabIndex        =   4
      Top             =   1020
      Width           =   1140
   End
   Begin VB.CommandButton cmdCancel 
      Cancel          =   -1  'True
      Caption         =   "取消"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   390
      Left            =   2160
      TabIndex        =   5
      Top             =   1020
      Width           =   1140
   End
   Begin VB.TextBox txtPassword 
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   15
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   345
      IMEMode         =   3  'DISABLE
      Left            =   1290
      PasswordChar    =   "*"
      TabIndex        =   3
      Top             =   525
      Width           =   2325
   End
   Begin VB.Label lblLabels 
      BackStyle       =   0  'Transparent
      Caption         =   "用户名称(&U):"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   15
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   270
      Index           =   0
      Left            =   120
      TabIndex        =   0
      Top             =   150
      Width           =   1080
   End
   Begin VB.Label lblLabels 
      BackStyle       =   0  'Transparent
      Caption         =   "密码(&P):"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   15
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   390
      Index           =   1
      Left            =   120
      TabIndex        =   2
      Top             =   480
      Width           =   1305
   End
End
Attribute VB_Name = "登录1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim cnn As New ADODB.Connection
Dim rst As New ADODB.Recordset

Private Sub cmdcancel_Click()
  Unload Me
End Sub

Private Sub cmdOK_Click()
  Dim str As String
  cnn.Open myApp.cnnstr
  str = "select * from 用户 where 用户名='" & Trim(txtUserName.Text) & "'"
  rst.Open str, cnn, 1, 1 '打开记录集，查找用户表中是否有该用户
  If rst.EOF Then
     MsgBox "没有此用户", vbCritical, "错误"
  Else
     If rst!密码 <> Trim(txtPassword.Text) Then
        MsgBox "密码错误", vbCritical, "错误"
     Else
        '给全局变量赋值，以便以后使用
        myApp.logined = True
        myApp.uId = rst!用户名
        myApp.pwd = rst!密码
        myApp.auth = rst!权限
        主窗体.refreshmenu (myApp.auth) '根据用户权限刷新菜单
        Unload Me
     End If
  End If
  rst.Close
  cnn.Close
End Sub

Private Sub Form_Load()
   txtUserName.Text = "yyy"
   txtPassword.Text = "yyy"
End Sub