frmlogin.frm

这是图书馆管理系统

VERSION 5.00
Begin VB.Form frmLogin 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "操作员登陆"
   ClientHeight    =   1890
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   5400
   ControlBox      =   0   'False
   Icon            =   "frmLogin.frx":0000
   LinkTopic       =   "Form3"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1890
   ScaleWidth      =   5400
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton cmdExit 
      Cancel          =   -1  'True
      Caption         =   "退出(&E)"
      Height          =   375
      Left            =   4080
      TabIndex        =   5
      Top             =   1440
      Width           =   1215
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定(&O)"
      Default         =   -1  'True
      Height          =   375
      Left            =   2640
      TabIndex        =   4
      Top             =   1440
      Width           =   1215
   End
   Begin VB.TextBox txtPWD 
      Height          =   315
      IMEMode         =   3  'DISABLE
      Left            =   1440
      MaxLength       =   20
      PasswordChar    =   "*"
      TabIndex        =   3
      Top             =   840
      Width           =   2415
   End
   Begin VB.TextBox txtName 
      Height          =   315
      Left            =   1440
      MaxLength       =   20
      TabIndex        =   2
      Top             =   240
      Width           =   2415
   End
   Begin VB.Label lvlPWD 
      AutoSize        =   -1  'True
      Caption         =   "操作员口令"
      Height          =   180
      Left            =   360
      TabIndex        =   1
      Top             =   960
      Width           =   900
   End
   Begin VB.Label lbName 
      AutoSize        =   -1  'True
      Caption         =   "操作员名称"
      Height          =   180
      Left            =   360
      TabIndex        =   0
      Top             =   360
      Width           =   900
   End
End
Attribute VB_Name = "frmlogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub CmdExit_Click()
    End
End Sub

Private Sub Cmdok_Click()
    Dim strSQL As String        '查询的SQL语句
    strSQL = "select * from UserValidate where (UserName='" & Trim(TxtName.Text) & _
             "')and (UserPWD='" & Trim(txtPWD.Text) & "')"
    If QueryEmpInfo(strSQL) = True Then
        If g_DBRct.BOF = False And g_DBRct.EOF = False Then
            '如果登陆成功，关闭本窗口，显示员工信息窗口
            Unload Me
            frmMain.Show
        Else
            '登陆不成功，关闭窗口，结束程序
            x = MsgBox("输入的操作员名称或者口令非法，请注意输入的大小写敏感，重新输入吗？", vbYesNo, "非法的操作员口令")
            If x = 6 Then
                TxtName.SetFocus
            End If
            If x = 7 Then
                Unload Me
            End If
        End If
    End If

End Sub

Private Sub Form_Load()
    TxtName.Text = "Administrator"
    Cmdok.Enabled = False
End Sub

Private Sub txtPWD_Change()
    Cmdok.Enabled = True
End Sub