form1.frm

花图馆管理

VERSION 5.00
Begin VB.Form login 
   Caption         =   "登陆界面"
   ClientHeight    =   3135
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4395
   LinkTopic       =   "Form1"
   ScaleHeight     =   3135
   ScaleWidth      =   4395
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   495
      Left            =   2280
      TabIndex        =   5
      Top             =   2280
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   495
      Left            =   720
      TabIndex        =   4
      Top             =   2280
      Width           =   1095
   End
   Begin VB.TextBox Text2 
      DataField       =   "password"
      DataSource      =   "Adodc1"
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1200
      PasswordChar    =   "*"
      TabIndex        =   2
      Top             =   1560
      Width           =   2055
   End
   Begin VB.TextBox Text1 
      DataField       =   "userid"
      DataSource      =   "Adodc1"
      Height          =   375
      Left            =   1200
      TabIndex        =   0
      Top             =   960
      Width           =   2055
   End
   Begin VB.Label Label3 
      Caption         =   "学 生 档 案 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
      Height          =   375
      Left            =   240
      TabIndex        =   6
      Top             =   240
      Width           =   3975
   End
   Begin VB.Label Label2 
      Caption         =   "密 码："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   240
      TabIndex        =   3
      Top             =   1560
      Width           =   855
   End
   Begin VB.Label Label1 
      Caption         =   "用户名："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00000000&
      Height          =   375
      Left            =   240
      TabIndex        =   1
      Top             =   960
      Width           =   855
   End
End
Attribute VB_Name = "login"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim pwdCount As Integer
Private Sub Command1_Click()
   Dim sql As String
    Dim rs As ADODB.Recordset
    If Trim(Text1.Text = "") Then
        MsgBox "没有输入用户名称，请重新输入！", vbOKOnly + vbExclamation, "警告！"
        Text1.SetFocus
    Else
        sql = "select * from username where userid='" & Text1.Text & "'"
        Set rs = TransactSQL(sql)
            If rs.EOF = True Then
                MsgBox "没有这个用户，请重新输入！", vbOKOnly + vbExclamation, "警告！"
                Text1.SetFocus
            Else
                If Trim(rs.Fields(1)) = Trim(Text2.Text) Then
                    login1.Show
                    Unload Me
                Else
                    MsgBox "密码不正确，请重新输入！", vbOKOnly + vbExclamation, "警告！"
                    Text2.SetFocus
                   Text2.Text = ""
                End If
            End If
    End If
    pwdCount = pwdCount + 1
    If pwdCount = 3 Then
    MsgBox "密码三次错误将退出系统", vbOKOnly + vbExclamation, "警告！"
        Unload Me
        Exit Sub
    End If
End Sub

Private Sub Command2_Click()
Unload Me
Exit Sub
End Sub

Private Sub Form_Load()
 pwdCount = 0
    
End Sub


Private Sub Text1_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
  Text2.SetFocus
End If
End Sub
Private Sub Text2_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
Command1_Click
 'Command1.SetFocus
End If
End Sub