form4.frm

实现画图

VERSION 5.00
Begin VB.Form FormLogin 
   Caption         =   "登录"
   ClientHeight    =   6855
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   9435
   LinkTopic       =   "Form4"
   ScaleHeight     =   6855
   ScaleWidth      =   9435
   StartUpPosition =   3  '窗口缺省
   Begin VB.Data Data1 
      Caption         =   "Data1"
      Connect         =   "Access 2000;"
      DatabaseName    =   "C:\Documents and Settings\Administrator\桌面\新建文件夹 (2)\11.mdb"
      DefaultCursorType=   0  '缺省游标
      DefaultType     =   2  '使用 ODBC
      Exclusive       =   0   'False
      Height          =   735
      Left            =   480
      Options         =   0
      ReadOnly        =   0   'False
      RecordsetType   =   1  'Dynaset
      RecordSource    =   "UserTable"
      Top             =   480
      Visible         =   0   'False
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "OK"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   2640
      TabIndex        =   7
      Top             =   6120
      Width           =   1335
   End
   Begin VB.Frame frame1 
      Caption         =   "登录"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   3495
      Left            =   1080
      TabIndex        =   1
      Top             =   1560
      Width           =   7095
      Begin VB.TextBox Text2 
         Height          =   615
         IMEMode         =   3  'DISABLE
         Left            =   4320
         PasswordChar    =   "*"
         TabIndex        =   3
         Top             =   2160
         Width           =   2415
      End
      Begin VB.TextBox Text1 
         Height          =   615
         Left            =   4200
         TabIndex        =   2
         Top             =   840
         Width           =   2535
      End
      Begin VB.Label Label3 
         Caption         =   "用户密码："
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   15.75
            Charset         =   134
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   735
         Left            =   2280
         TabIndex        =   5
         Top             =   2040
         Width           =   1815
      End
      Begin VB.Label Label2 
         Caption         =   "用户名："
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   15.75
            Charset         =   134
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   495
         Left            =   2280
         TabIndex        =   4
         Top             =   840
         Width           =   1455
      End
      Begin VB.Image Image2 
         Height          =   795
         Left            =   240
         Picture         =   "Form4.frx":0000
         Stretch         =   -1  'True
         Top             =   1920
         Width           =   1890
      End
      Begin VB.Image Image1 
         Height          =   855
         Left            =   240
         Picture         =   "Form4.frx":2E02
         Stretch         =   -1  'True
         Top             =   600
         Width           =   1860
      End
   End
   Begin VB.Label Label4 
      Caption         =   "正确输入登录名和密码即可使用本软件，三次错误系统自行断开连接"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   720
      TabIndex        =   6
      Top             =   5280
      Width           =   7695
   End
   Begin VB.Label Label1 
      Caption         =   "图形程序管理系统"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   21.75
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   2040
      TabIndex        =   0
      Top             =   600
      Width           =   4215
   End
End
Attribute VB_Name = "FormLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public ok As Boolean
Dim miCount As Integer

Private Sub Command1_Click()
      Dim txtSQL As String
      Dim MsgText As String
      UserName = ""
      If Trim(Text1.Text) = "" Then
        MsgBox "没有这个用户,请重新输入用户名!", vbOKOnly + vbExclamation, "警告 "
        Text1.SetFocus
       Else

         txtSQL = "select * from UserTable where UserName = 'text1.text'"
        If Data1.Recordset.EOF = True Then
           MsgBox "没有这个用户,请重新输入用户名!", vbOKOnly + vbExclamation, "警告 "
           Text1.SetFocus
        Else
          Do While Not Data1.Recordset.EOF
            If Data1.Recordset.Fields("PassWord").Value = Text2.Text Then
                UserName = Text1.Text
                ok = True
                Me.Hide
                Form1.Show
                Exit Sub
            Else
                  Me.Data1.Recordset.MoveNext
            End If
          Loop
        End If
    End If
    miCount = miCount + 1
    If miCount = 3 Then
    Me.Hide
  End If
  Exit Sub

End Sub

Private Sub Form_Load()
    ok = False
    miCount = 0
    Me.Data1.DatabaseName = App.Path + "\11.mdb"
Me.Data1.RecordSource = "UserTable"
End Sub