login.frm

一个数据库程序

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form login 
   Caption         =   "系统登录"
   ClientHeight    =   3315
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4635
   Icon            =   "login.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3315
   ScaleWidth      =   4635
   StartUpPosition =   3  '窗口缺省
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   375
      Left            =   3480
      Top             =   3000
      Visible         =   0   'False
      Width           =   1200
      _ExtentX        =   2117
      _ExtentY        =   661
      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         =   "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=图书管理数据库;Data Source=(local)"
      OLEDBString     =   "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=图书管理数据库;Data Source=(local)"
      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.Frame Frame1 
      Height          =   2415
      Left            =   360
      TabIndex        =   1
      Top             =   480
      Width           =   3735
      Begin VB.CommandButton Command3 
         Caption         =   "注册"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   14.25
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         Left            =   1320
         TabIndex        =   8
         Top             =   1680
         Width           =   975
      End
      Begin VB.CommandButton Command2 
         Caption         =   "取消"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         Left            =   2640
         TabIndex        =   7
         Top             =   1680
         Width           =   975
      End
      Begin VB.CommandButton Command1 
         Caption         =   "确定"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         Left            =   120
         TabIndex        =   6
         Top             =   1680
         Width           =   975
      End
      Begin VB.TextBox Text2 
         Height          =   375
         IMEMode         =   3  'DISABLE
         Left            =   1200
         PasswordChar    =   "*"
         TabIndex        =   5
         Top             =   960
         Width           =   2295
      End
      Begin VB.TextBox Text1 
         Height          =   375
         Left            =   1200
         TabIndex        =   3
         Top             =   360
         Width           =   2295
      End
      Begin VB.Label Label3 
         Caption         =   "密 码"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   14.25
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   375
         Left            =   240
         TabIndex        =   4
         Top             =   960
         Width           =   855
      End
      Begin VB.Label Label2 
         Caption         =   "用户名"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   14.25
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   255
         Left            =   120
         TabIndex        =   2
         Top             =   360
         Width           =   855
      End
   End
   Begin VB.Label Label1 
      Caption         =   "     登   录"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   18
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   720
      TabIndex        =   0
      Top             =   120
      Width           =   3015
   End
End
Attribute VB_Name = "login"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
    submit
End Sub

Private Sub Command2_Click()
    Unload Me
End Sub


Private Sub Command3_Click()
  reguser.Show vbModal
End Sub

Private Sub Text1_KeyDown(KeyCode As Integer, Shift As Integer)
    If KeyCode = vbKeyReturn Then
        submit
    End If
End Sub

Private Sub Text2_KeyDown(KeyCode As Integer, Shift As Integer)
    If KeyCode = vbKeyReturn Then
        submit
    End If
End Sub

Private Sub submit()
    Adodc1.RecordSource = "select * from 登陆表 where 用户名='" & Trim(Text1.Text) & "' and 密码='" & Trim(Text2.Text) & "'"
    Adodc1.Refresh
    If Adodc1.Recordset.EOF = False Or Adodc1.Recordset.BOF = False Then
        If Trim(Adodc1.Recordset.Fields("身份")) = "admin" Then
            Unload Me
            Menu.Show vbModal
        Else
            Unload Me
            Menu2.Show vbModal
        End If
    Else
        MsgBox "用户名或密码不正确！"
    End If
End Sub