form1.frm

一个VB做的图书管理系统,很完善的一个图书管理系统

VERSION 5.00
Begin VB.Form 登陆 
   BackColor       =   &H80000001&
   Caption         =   "登陆"
   ClientHeight    =   4500
   ClientLeft      =   5385
   ClientTop       =   3075
   ClientWidth     =   6135
   Icon            =   "Form1.frx":0000
   LinkTopic       =   "Form1"
   ScaleHeight     =   4500
   ScaleWidth      =   6135
   Begin VB.Data Data1 
      Caption         =   "Data1"
      Connect         =   "Access"
      DatabaseName    =   "D:\图书管理系统\图书馆管理信息系统.mdb"
      DefaultCursorType=   0  '缺省游标
      DefaultType     =   2  '使用 ODBC
      Exclusive       =   0   'False
      Height          =   375
      Left            =   1320
      Options         =   0
      ReadOnly        =   0   'False
      RecordsetType   =   1  'Dynaset
      RecordSource    =   "Username"
      Top             =   3240
      Visible         =   0   'False
      Width           =   2175
   End
   Begin VB.CommandButton Command2 
      Caption         =   "取 消"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   15.75
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   4080
      TabIndex        =   6
      Top             =   3600
      Width           =   1215
   End
   Begin VB.TextBox Text2 
      Height          =   495
      IMEMode         =   3  'DISABLE
      Left            =   2400
      PasswordChar    =   "*"
      TabIndex        =   5
      Top             =   2520
      Width           =   2895
   End
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   2400
      TabIndex        =   4
      Top             =   1680
      Width           =   2895
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确 定"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   15.75
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1080
      TabIndex        =   1
      Top             =   3600
      Width           =   1215
   End
   Begin VB.Label Label3 
      BackColor       =   &H80000001&
      Caption         =   "密   码 :"
      BeginProperty Font 
         Name            =   "华文新魏"
         Size            =   18
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   480
      TabIndex        =   3
      Top             =   2520
      Width           =   1455
   End
   Begin VB.Label Label2 
      BackColor       =   &H80000001&
      Caption         =   "用户名 :"
      BeginProperty Font 
         Name            =   "华文新魏"
         Size            =   18
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   480
      TabIndex        =   2
      Top             =   1680
      Width           =   1455
   End
   Begin VB.Label Label1 
      BackColor       =   &H80000001&
      Caption         =   "图书馆管理信息系统"
      BeginProperty Font 
         Name            =   "华文新魏"
         Size            =   26.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00404040&
      Height          =   855
      Left            =   600
      TabIndex        =   0
      Top             =   360
      Width           =   5175
   End
End
Attribute VB_Name = "登陆"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Data1.Recordset.MoveFirst
Data1.Refresh
Do While Not Data1.Recordset.EOF
    If Trim(Text1.Text) = Trim(Data1.Recordset("姓名")) Then
        If Trim(Text2.Text) = Trim(Data1.Recordset("密码")) Then
        MDIForm1.Show
           Unload Me
            Exit Sub
        Else
            MsgBox "密码不正确", 0 + 48, "警告"
            Text2.Text = ""
            Text1.SetFocus
            Exit Sub
        End If
    Else
        Data1.Recordset.MoveNext
    End If
Loop
MsgBox "无此用户", 0 + 48, "警告"



End Sub

Private Sub Command2_Click()
Unload Me
End Sub


Private Sub Form_Load()

Dim dbname As String
Dim sql As String
dbname = App.Path
If Right$(dbname, 1) <> "\" Then dbname = dbname & "\"
dbname = dbname & "图书馆管理信息系统.mdb"
Data1.DatabaseName = dbname
sql = "select * from " & "Username"
Data1.RecordSource = sql
Data1.Refresh
Data1.Recordset.MoveFirst
Data1.Recordset.Edit

End Sub