sysmaintalogin.frm

一个管理系统系统,进销存等,功能比较完善,界面还可以

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form Form6 
   Caption         =   "系统维护登录对话框"
   ClientHeight    =   2655
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4680
   LinkTopic       =   "Form6"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   Moveable        =   0   'False
   ScaleHeight     =   2655
   ScaleWidth      =   4680
   StartUpPosition =   3  'Windows Default
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   375
      Left            =   2520
      Top             =   0
      Visible         =   0   'False
      Width           =   1695
      _ExtentX        =   2990
      _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         =   ""
      OLEDBString     =   ""
      OLEDBFile       =   ""
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   ""
      Caption         =   "Adodc1"
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "MS Sans Serif"
         Size            =   8.25
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      _Version        =   393216
   End
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   375
      Left            =   2400
      TabIndex        =   5
      Top             =   1920
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Default         =   -1  'True
      Height          =   375
      Left            =   960
      TabIndex        =   4
      Top             =   1920
      Width           =   1095
   End
   Begin VB.TextBox txtpass 
      Height          =   380
      IMEMode         =   3  'DISABLE
      Left            =   1800
      PasswordChar    =   "@"
      TabIndex        =   3
      Top             =   1120
      Width           =   1800
   End
   Begin VB.TextBox txtadmini 
      Height          =   380
      Left            =   1800
      TabIndex        =   2
      Top             =   400
      Width           =   1800
   End
   Begin VB.Label Label2 
      Caption         =   "管理员密码"
      Height          =   375
      Left            =   360
      TabIndex        =   1
      Top             =   1200
      Width           =   1095
   End
   Begin VB.Label Label1 
      Caption         =   "管理员名称"
      Height          =   375
      Left            =   360
      TabIndex        =   0
      Top             =   480
      Width           =   1095
   End
End
Attribute VB_Name = "Form6"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
If Len(txtadmini.Text) = 0 Then
   MsgBox ("用户名不能为空,请输入！")
   txtadmini.SetFocus
Else
    If Len(txtpass.Text) = 0 Then
       MsgBox ("密码不能为空,请输入！")
       txtpass.SetFocus
    Else
       Adodc1.RecordSource = "select * from 用户表 where 用户名='" & txtadmini.Text & "' and 密码='" & txtpass & "' and 角色='系统用户'"
        Adodc1.Refresh
        If Adodc1.Recordset.EOF Then
           MsgBox ("对不起,您不是系统管理员,没有此权限!")
           txtadmini.Text = ""
           txtpass.Text = ""
           txtadmini.SetFocus
        Else
           Form7.Show
           Adodc1.Recordset.Close
           Unload Me
End If
End If
End If
End Sub

Private Sub Command2_Click()
Unload Me
End Sub

Private Sub Form_Load()
Adodc1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\学生成绩管理.mdb;Persist Security Info=False"
Adodc1.CommandType = adCmdUnknown
Adodc1.RecordSource = "select * from 学生表 order by 学号"

End Sub