frmlogin.frm

vb+access编写的考试管理系统

VERSION 5.00
Begin VB.Form frmLogin 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "登录"
   ClientHeight    =   1545
   ClientLeft      =   2835
   ClientTop       =   3480
   ClientWidth     =   4035
   BeginProperty Font 
      Name            =   "宋体"
      Size            =   12
      Charset         =   134
      Weight          =   400
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   912.837
   ScaleMode       =   0  'User
   ScaleWidth      =   3788.646
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.TextBox txtUserName 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   345
      Left            =   1425
      TabIndex        =   5
      Top             =   135
      Width           =   2430
   End
   Begin VB.CommandButton cmdLogin 
      Caption         =   "登录"
      Default         =   -1  'True
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   390
      Left            =   240
      TabIndex        =   3
      Top             =   1020
      Width           =   1140
   End
   Begin VB.CommandButton cmdReg 
      Caption         =   "注册"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   390
      Left            =   2715
      TabIndex        =   4
      Top             =   1020
      Width           =   1140
   End
   Begin VB.TextBox txtPassword 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   345
      IMEMode         =   3  'DISABLE
      Left            =   1425
      PasswordChar    =   "*"
      TabIndex        =   2
      Top             =   525
      Width           =   2430
   End
   Begin VB.Label lblLabels 
      Caption         =   "用户名称(&U):"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   270
      Index           =   0
      Left            =   240
      TabIndex        =   0
      Top             =   150
      Width           =   1080
   End
   Begin VB.Label lblLabels 
      Caption         =   "密码(&P):"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   270
      Index           =   1
      Left            =   240
      TabIndex        =   1
      Top             =   540
      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 LoginSucceeded As Boolean
Private isNew As Boolean

Private Sub cmdLogin_Click()
    '检查正确的密码
    Dim rs As Recordset
    Set rs = query("select * from 登陆 where 用户名='" + txtUserName.Text + "' and 密码='" + txtPassword.Text + "'")
    Dim n  As Integer
    n = getRows(rs)
    rs.Close
    
    If (n = 1) Then
        frmMain.Show
        Me.Hide
    Else
         MsgBox "无效的用户名和密码，请重试!", , "登录"
        txtPassword.SetFocus
        SendKeys "{Home}+{End}"
    End If
End Sub

Private Sub cmdReg_Click()
    Me.Hide
    frmRegset.Show
End Sub

Private Sub Form_Load()
    conntection
End Sub

Private Sub Form_Unload(Cancel As Integer)
    conn.Close
    End
End Sub