form1.frm

用VB+Access做的图书管理系统! 通过简单的算法可以做出图书的录入和录出!

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form Form1 
   BackColor       =   &H00FFC0FF&
   Caption         =   "登陆界面"
   ClientHeight    =   3090
   ClientLeft      =   3915
   ClientTop       =   2145
   ClientWidth     =   4725
   Icon            =   "Form1.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   ScaleHeight     =   3090
   ScaleWidth      =   4725
   StartUpPosition =   2  '屏幕中心
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   735
      Left            =   1560
      Top             =   120
      Width           =   1815
      _ExtentX        =   3201
      _ExtentY        =   1296
      ConnectMode     =   0
      CursorLocation  =   3
      IsolationLevel  =   -1
      ConnectionTimeout=   15
      CommandTimeout  =   30
      CursorType      =   3
      LockType        =   3
      CommandType     =   8
      CursorOptions   =   0
      CacheSize       =   50
      MaxRecords      =   0
      BOFAction       =   0
      EOFAction       =   0
      ConnectStringType=   1
      Appearance      =   1
      BackColor       =   -2147483643
      ForeColor       =   -2147483640
      Orientation     =   0
      Enabled         =   -1
      Connect         =   ""
      OLEDBString     =   ""
      OLEDBFile       =   ""
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   ""
      Caption         =   "Adodc1"
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      _Version        =   393216
   End
   Begin VB.CommandButton Command3 
      BackColor       =   &H00FFC0FF&
      Caption         =   "&Q 取消"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   3120
      Style           =   1  'Graphical
      TabIndex        =   7
      Top             =   2400
      Width           =   1095
   End
   Begin VB.CommandButton Command2 
      BackColor       =   &H00FFC0FF&
      Caption         =   "&M 密码修改"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1680
      Style           =   1  'Graphical
      TabIndex        =   6
      Top             =   2400
      Width           =   1455
   End
   Begin VB.CommandButton Command1 
      BackColor       =   &H00FFC0FF&
      Caption         =   "&E 确定"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   600
      Style           =   1  'Graphical
      TabIndex        =   5
      Top             =   2400
      Width           =   1095
   End
   Begin VB.TextBox Text2 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      IMEMode         =   3  'DISABLE
      Left            =   2280
      PasswordChar    =   "*"
      TabIndex        =   1
      Top             =   1680
      Width           =   1575
   End
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   2280
      TabIndex        =   0
      Top             =   960
      Width           =   1575
   End
   Begin VB.Label Label3 
      Alignment       =   2  'Center
      BackColor       =   &H00FFC0FF&
      Caption         =   "用户名"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   600
      TabIndex        =   4
      Top             =   960
      Width           =   1215
   End
   Begin VB.Label Label1 
      BackColor       =   &H00FFC0FF&
      Caption         =   "用户登陆"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   1680
      TabIndex        =   3
      Top             =   360
      Width           =   1335
   End
   Begin VB.Label Label2 
      Alignment       =   2  'Center
      BackColor       =   &H00FFC0FF&
      Caption         =   "密码"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   720
      TabIndex        =   2
      Top             =   1800
      Width           =   975
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim user As String
Dim password As String
Dim isuser As Boolean
Static count As Integer
user = Trim(Text1.Text)
password = Trim(Text2.Text)
isuser = False
Do While Not Adodc1.Recordset.EOF
If Adodc1.Recordset.Fields("用户名").Value = user Then
      If Adodc1.Recordset.Fields("密码").Value = password Then
      MsgBox "密码登陆成功"
      Unload Form1
      Load Form3
      Form3.Show
      Exit Sub
      Else
      If count < 3 Then
      MsgBox "密码错误，登陆失败"
      Text1.Text = ""
      Text2.Text = ""
      Text1.SetFocus
      isuser = True
      Exit Do
      End If
End If
End If
   
Adodc1.Recordset.MoveNext
Loop
count = count + 1
If count = 3 Then
MsgBox "3次登陆不成功，你没有权限登陆"


End
End If
If Not isuser Then
MsgBox "用户名出错"
Text1.Text = ""
Text2.Text = ""
Text1.SetFocus
End If
Adodc1.Recordset.MoveFirst
End Sub

Private Sub Command2_Click()
Unload Form1
Load Form2
Form2.Show
End Sub

Private Sub Command3_Click()
End
End Sub

Private Sub Form_Load()
Text1.Text = ""
Text2.Text = ""
Adodc1.Visible = False
Adodc1.ConnectionString = "Provider=Microsoft.jet.OLEDB.3.51;Persist Security Info=False; data source= " & App.Path & "\科技系统档案库.mdb"
Adodc1.RecordSource = "select * from 用户登陆"
Adodc1.Refresh
Adodc1.ConnectionTimeout = 30
Adodc1.Refresh
End Sub