frmlogin.frm

本企业订货管理系统是用VB编写的,代码极易看懂.

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form frmLogin 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "登录"
   ClientHeight    =   3780
   ClientLeft      =   2835
   ClientTop       =   3480
   ClientWidth     =   4695
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   Picture         =   "frmLogin.frx":0000
   ScaleHeight     =   2233.349
   ScaleMode       =   0  'User
   ScaleWidth      =   4408.351
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   375
      Left            =   2880
      Top             =   3240
      Visible         =   0   'False
      Width           =   1575
      _ExtentX        =   2778
      _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=   3
      Appearance      =   1
      BackColor       =   -2147483643
      ForeColor       =   -2147483640
      Orientation     =   0
      Enabled         =   -1
      Connect         =   "DSN=haha"
      OLEDBString     =   ""
      OLEDBFile       =   ""
      DataSourceName  =   "haha"
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   "select * from 操作员"
      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.TextBox txtUserName 
      Height          =   345
      Left            =   1680
      TabIndex        =   0
      Top             =   1200
      Width           =   1605
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定"
      Default         =   -1  'True
      Height          =   390
      Left            =   960
      TabIndex        =   2
      Top             =   2520
      Width           =   900
   End
   Begin VB.CommandButton cmdCancel 
      Cancel          =   -1  'True
      Caption         =   "退出"
      Height          =   390
      Left            =   2760
      TabIndex        =   3
      Top             =   2520
      Width           =   900
   End
   Begin VB.TextBox txtPassword 
      Height          =   345
      IMEMode         =   3  'DISABLE
      Left            =   1680
      PasswordChar    =   "*"
      TabIndex        =   1
      Top             =   1800
      Width           =   1605
   End
   Begin VB.Label Label3 
      BackStyle       =   0  'Transparent
      Caption         =   "企业订货管理系统"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   15.75
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   960
      TabIndex        =   6
      Top             =   360
      Width           =   3255
   End
   Begin VB.Label Label2 
      BackStyle       =   0  'Transparent
      Caption         =   "密码："
      Height          =   375
      Left            =   1080
      TabIndex        =   5
      Top             =   1920
      Width           =   735
   End
   Begin VB.Label Label1 
      BackColor       =   &H00FFFFFF&
      BackStyle       =   0  'Transparent
      Caption         =   "用户名："
      Height          =   375
      Left            =   960
      TabIndex        =   4
      Top             =   1200
      Width           =   735
   End
End
Attribute VB_Name = "frmLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmdCancel_Click()
End
End Sub

Private Sub cmdOK_Click()
Dim m As String, n As String
m = txtUserName.Text
n = txtPassword.Text
Adodc1.RecordSource = "select 用户名,密码 from 操作员 where 用户名='" & m & "' and 密码='" & n & "'"
Adodc1.Refresh
If Adodc1.Recordset.EOF Then
MsgBox "用户名或密码错误，请核对后再输！"
Else
frmLogin.Hide
Form1.Show
Adodc1.Refresh
End If
End Sub