form2.frm

用VB实现的客房信息管理系统。具体的功能是管理员登陆和客房管理

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form Form2 
   Caption         =   "登陆"
   ClientHeight    =   4665
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   6315
   LinkTopic       =   "Form2"
   ScaleHeight     =   4665
   ScaleWidth      =   6315
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command3 
      Caption         =   "注册新用户"
      Height          =   375
      Left            =   3840
      TabIndex        =   6
      Top             =   3840
      Width           =   1455
   End
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   375
      Left            =   1200
      Top             =   3840
      Visible         =   0   'False
      Width           =   2055
      _ExtentX        =   3625
      _ExtentY        =   661
      ConnectMode     =   0
      CursorLocation  =   3
      IsolationLevel  =   -1
      ConnectionTimeout=   15
      CommandTimeout  =   30
      CursorType      =   3
      LockType        =   3
      CommandType     =   1
      CursorOptions   =   0
      CacheSize       =   50
      MaxRecords      =   0
      BOFAction       =   0
      EOFAction       =   0
      ConnectStringType=   3
      Appearance      =   1
      BackColor       =   -2147483643
      ForeColor       =   -2147483640
      Orientation     =   0
      Enabled         =   -1
      Connect         =   "DSN=guan"
      OLEDBString     =   ""
      OLEDBFile       =   ""
      DataSourceName  =   "guan"
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   "select * from 系统信息"
      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 Command2 
      Caption         =   "取消"
      Height          =   615
      Left            =   3240
      TabIndex        =   5
      Top             =   2760
      Width           =   1575
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   615
      Left            =   960
      TabIndex        =   4
      Top             =   2760
      Width           =   1575
   End
   Begin VB.TextBox Text2 
      Height          =   735
      IMEMode         =   3  'DISABLE
      Left            =   3120
      PasswordChar    =   "*"
      TabIndex        =   1
      Top             =   1680
      Width           =   2175
   End
   Begin VB.TextBox Text1 
      Height          =   735
      Left            =   3120
      TabIndex        =   0
      Top             =   720
      Width           =   2175
   End
   Begin VB.Label Label2 
      Caption         =   "输入密码"
      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            =   960
      TabIndex        =   3
      Top             =   1800
      Width           =   1215
   End
   Begin VB.Label Label1 
      Caption         =   "输入用户名"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   960
      TabIndex        =   2
      Top             =   960
      Width           =   1215
   End
End
Attribute VB_Name = "Form2"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim micount As Integer '用于记录输入密码次数

Private Sub Command1_Click()
Dim sqlstr As String
sqlstr = "select * from 系统信息 where 用户名='" & Text1.Text & "'"
Adodc1.RecordSource = sqlstr
Adodc1.Refresh
If Text1.Text = "" Then '判断用户名是否为空
MsgBox "请输入用户名!", vbExclamation, "警告"
Text2.Text = ""
Text1.SetFocus
ElseIf Adodc1.Recordset.BOF Then '判断用户名是否存在
MsgBox "此用户名不存在,请重新输入!", vbExclamation, "警告"
Text1.Text = ""
Text2.Text = ""
Text1.SetFocus
ElseIf Text2.Text = "" Then '判断密码是否为空
MsgBox "请输入密码!", vbExclamation, "警告"
Text2.SetFocus
ElseIf Adodc1.Recordset.Fields("密码") <> Text2.Text Then '判断密码是否正确
MsgBox "密码错误,请重新输入!", vbExclamation, "警告"
Text2.Text = ""
Text2.SetFocus
Else
MDIForm1.Show
Unload Me
End If
micount = micount + 1
If micount = 3 Then Unload Me
  End Sub


Private Sub Command2_Click()
Unload Me
End Sub

Private Sub Command3_Click()
form3.Show
Unload Me
End Sub

Private Sub Form_Load()
   Text1.Text = ""
   Text2.Text = ""
    
End Sub