切换用户.frm

图书馆管理系统的实现

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Object = "{B0091D05-CC1B-4896-A94A-29B75E80ABE9}#5.0#0"; "XpControls.ocx"
Begin VB.Form frmQieHuan 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "                       切 换 用 户 . ."
   ClientHeight    =   4380
   ClientLeft      =   45
   ClientTop       =   435
   ClientWidth     =   6150
   Icon            =   "切换用户.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   ScaleHeight     =   4380
   ScaleWidth      =   6150
   Begin dlocx.XPFrame frame1 
      Height          =   1335
      Left            =   120
      TabIndex        =   0
      Top             =   0
      Width           =   4335
      _ExtentX        =   7646
      _ExtentY        =   2355
      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
      FontName        =   "宋体"
      FontSize        =   9
      FontBold        =   0   'False
      FontItalic      =   0   'False
      Begin VB.TextBox TxtPass 
         Appearance      =   0  'Flat
         ForeColor       =   &H000080FF&
         Height          =   270
         IMEMode         =   3  'DISABLE
         Left            =   2040
         MaxLength       =   15
         PasswordChar    =   "*"
         TabIndex        =   2
         Top             =   555
         Width           =   2175
      End
      Begin VB.TextBox TxtUser 
         Appearance      =   0  'Flat
         ForeColor       =   &H000080FF&
         Height          =   270
         IMEMode         =   3  'DISABLE
         Left            =   2040
         MaxLength       =   15
         TabIndex        =   1
         Top             =   240
         Width           =   2175
      End
      Begin dlocx.xpcmdbutton Command2 
         Height          =   300
         Left            =   3360
         TabIndex        =   4
         Top             =   900
         Width           =   795
         _ExtentX        =   1402
         _ExtentY        =   529
         Caption         =   "取消退出"
         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
      End
      Begin dlocx.xpcmdbutton Command3 
         Height          =   300
         Left            =   2040
         TabIndex        =   3
         Top             =   900
         Width           =   795
         _ExtentX        =   1402
         _ExtentY        =   529
         Caption         =   "确定进入"
         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
      End
      Begin VB.Image Image2 
         Height          =   780
         Left            =   120
         Picture         =   "切换用户.frx":058A
         Top             =   240
         Width           =   780
      End
      Begin VB.Label Label4 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "登陆密码："
         Height          =   180
         Left            =   1080
         TabIndex        =   6
         Top             =   600
         Width           =   900
      End
      Begin VB.Label Label3 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "用户名称："
         Height          =   180
         Left            =   1080
         TabIndex        =   5
         Top             =   240
         Width           =   900
      End
   End
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   375
      Left            =   1800
      Top             =   1920
      Visible         =   0   'False
      Width           =   1935
      _ExtentX        =   3413
      _ExtentY        =   661
      ConnectMode     =   0
      CursorLocation  =   3
      IsolationLevel  =   -1
      ConnectionTimeout=   15
      CommandTimeout  =   30
      CursorType      =   3
      LockType        =   3
      CommandType     =   2
      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;Persist Security Info=False;User ID=sa;Initial Catalog=Bookdate;Data Source=127.0.0.1"
      OLEDBString     =   "Provider=SQLOLEDB.1;Persist Security Info=False;User ID=sa;Initial Catalog=Bookdate;Data Source=127.0.0.1"
      OLEDBFile       =   ""
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   "sa"
      Password        =   ""
      RecordSource    =   "Manage_User"
      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
End
Attribute VB_Name = "frmQieHuan"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command2_Click()
    Unload Me
End Sub

Private Sub Command3_Click()
    If Trim(TxtUser) = "" Or Trim(TxtPass) = "" Then
        MsgBox "密码或用户名不能为空", vbOKOnly + vbInformation, "用户切换提示"
        Info
        Exit Sub
    Else
        Adodc1.CommandType = adCmdText
        Adodc1.RecordSource = "select username,password,quanxian from Manage_User where username='" + Trim(TxtUser.Text) + "'"
        Adodc1.Refresh
        Dim ss%
        ss = Adodc1.Recordset.Fields("quanxian")
        If Adodc1.Recordset.RecordCount = 0 Then
            MsgBox "没有此用户", vbOKOnly, "错误"
            Exit Sub
    End If
    user = Adodc1.Recordset.Fields(0)
    pass = Adodc1.Recordset.Fields(1)
    QX = Adodc1.Recordset.Fields(2)
    If Trim(TxtUser) = "" Or Trim(TxtPass) = "" Then
        MsgBox "密码或用户名不能为空", vbOKOnly + vbInformation, "用户切换提示"
        Info
    ElseIf Trim(TxtUser.Text) <> user Or Trim(TxtPass.Text) <> pass Then
        MsgBox "密码或用户名不符，请向管理员查询！", vbOKOnly + vbInformation, "用户名或密码错误"
        Info
        ElseIf TxtUser = user And TxtPass = pass Then
            QX = ss: Info
            QuanXian
            Unload Me
           
        End If
    End If
End Sub

Private Sub Form_Load()
    frmQieHuan.Height = 1900
    frmQieHuan.Width = 4600
End Sub

Private Sub Info()
    TxtUser = ""
    TxtPass = ""
End Sub