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📄 login.frm

📁 一个vb的mis系统
💻 FRM
字号:
VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form frmLogin 
   BorderStyle     =   0  'None
   Caption         =   "操作员登陆"
   ClientHeight    =   3030
   ClientLeft      =   0
   ClientTop       =   -75
   ClientWidth     =   6675
   KeyPreview      =   -1  'True
   LinkTopic       =   "Form1"
   Palette         =   "login.frx":0000
   Picture         =   "login.frx":57F14
   ScaleHeight     =   3030
   ScaleWidth      =   6675
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.ComboBox t1 
      Height          =   300
      Left            =   2880
      TabIndex        =   0
      Top             =   1320
      Width           =   2655
   End
   Begin VB.CheckBox reland 
      Caption         =   "重登陆"
      Height          =   735
      Left            =   5520
      TabIndex        =   4
      Top             =   4200
      Width           =   1695
   End
   Begin VB.TextBox Text1 
      DataField       =   "user"
      DataSource      =   "Adodc1"
      Height          =   375
      Left            =   1200
      TabIndex        =   3
      Text            =   "Text1"
      Top             =   3960
      Visible         =   0   'False
      Width           =   1815
   End
   Begin VB.TextBox Text2 
      DataField       =   "pw"
      DataSource      =   "Adodc1"
      Height          =   375
      Left            =   3120
      TabIndex        =   2
      Text            =   "Text2"
      Top             =   3960
      Visible         =   0   'False
      Width           =   1815
   End
   Begin VB.Timer mousemovetimer 
      Enabled         =   0   'False
      Interval        =   10
      Left            =   0
      Top             =   3120
   End
   Begin VB.TextBox t2 
      Height          =   320
      IMEMode         =   3  'DISABLE
      Left            =   2880
      PasswordChar    =   "*"
      TabIndex        =   1
      Top             =   1800
      Width           =   2655
   End
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   495
      Left            =   1200
      Top             =   4560
      Visible         =   0   'False
      Width           =   3735
      _ExtentX        =   6588
      _ExtentY        =   873
      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=   2
      Appearance      =   1
      BackColor       =   -2147483643
      ForeColor       =   -2147483640
      Orientation     =   0
      Enabled         =   -1
      Connect         =   "FILE NAME=C:\Program Files\accp\accp.dsn"
      OLEDBString     =   ""
      OLEDBFile       =   "C:\Program Files\accp\accp.dsn"
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   "select * from userManagement"
      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.Image pwd2 
      Height          =   330
      Left            =   5520
      Picture         =   "login.frx":AFE28
      ToolTipText     =   "密码强度:中"
      Top             =   1800
      Visible         =   0   'False
      Width           =   345
   End
   Begin VB.Image pwd3 
      Height          =   330
      Left            =   5520
      Picture         =   "login.frx":B049C
      ToolTipText     =   "密码强度:强"
      Top             =   1800
      Visible         =   0   'False
      Width           =   345
   End
   Begin VB.Image pwd1 
      Height          =   330
      Left            =   5520
      Picture         =   "login.frx":B0B10
      ToolTipText     =   "密码强度:弱"
      Top             =   1800
      Visible         =   0   'False
      Width           =   345
   End
   Begin VB.Image clrusername 
      Height          =   300
      Left            =   5580
      ToolTipText     =   "清空曾经登陆的用户名"
      Top             =   1320
      Width           =   300
   End
   Begin VB.Image picshowdbhelp 
      Height          =   350
      Left            =   5680
      Picture         =   "login.frx":B1184
      Stretch         =   -1  'True
      ToolTipText     =   "关于数据库和数据源的配置帮助文档"
      Top             =   2370
      Width           =   350
   End
   Begin VB.Image picuser 
      Height          =   285
      Left            =   1680
      Picture         =   "login.frx":B11DB
      ToolTipText     =   "编辑查看所有帐户"
      Top             =   2400
      Width           =   1065
   End
   Begin VB.Image mousermovepic 
      Height          =   345
      Left            =   0
      Picture         =   "login.frx":B2227
      Top             =   0
      Width           =   6675
   End
   Begin VB.Image Image3 
      Height          =   120
      Left            =   6360
      Picture         =   "login.frx":B76E4
      Top             =   120
      Width           =   120
   End
   Begin VB.Image Image2 
      Height          =   285
      Left            =   4440
      Picture         =   "login.frx":B772D
      Top             =   2400
      Width           =   1065
   End
   Begin VB.Image Image1 
      Height          =   285
      Left            =   3240
      Picture         =   "login.frx":B8779
      Top             =   2400
      Width           =   1065
   End
End
Attribute VB_Name = "frmLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public username As String    '定义管理员变量

Dim oldx As Integer          '为解决全图形窗口没有标题栏而无法拖动的问题而定义的鼠标新旧两个XY变量
Dim oldy As Integer
Dim newx As Integer
Dim newy As Integer

'>>>>>>>>>>>>>>>>>>>>>>>>以下程序段解决全图形窗口的移动问题<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
'移植须知:将该功能移植到一个全图片窗口以解决不能移动的问题时,需注意:1 赋值计时器和伪装标题栏到新的全图片窗体中;2 赋值定义的新旧XY值(4个)和本程序段到新的全图片窗体中;3 修改计时器的过程“mousemovetimer_Timer”中的四个窗体名字。4 修改伪装标题栏的图片
'当指定图片(伪装标题栏)被鼠标点击时启动计时器,并记录下当时的初始鼠标坐标
Private Sub mousermovepic_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
    mousemovetimer.Enabled = True
    oldx = X
    oldy = Y
End Sub
'当指定图片(伪装标题栏)上鼠标移动时,赋给新的鼠标XY值,注意系统每隔很短的时间会赋值一次。
Private Sub mousermovepic_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
    newx = X
    newy = Y
End Sub
'当指定图片(伪装标题栏)被鼠标释放时关闭计时器。
Private Sub mousermovepic_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
    mousemovetimer.Enabled = False
End Sub


'计时器将定时得到四个值,分别是固定的初始XY值,和不断变化的新的XY值。利用新旧XY的差,可以以此来移动窗体。适当调小计时器间隔时间将有助于移动窗体的流畅性。
Private Sub mousemovetimer_Timer()
    frmLogin.Left = frmLogin.Left - (oldx - newx)
    frmLogin.Top = frmLogin.Top - (oldy - newy)
End Sub
'>>>>>>>>>>>>>>>>>>>>>>>>以上程序段解决全图形窗口的移动问题<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

'窗口初始化
Private Sub Form_Load()
    Me.Height = 3030
    Me.Width = 6675
    Call readuser
End Sub

'回车后调用确定按钮
Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)
    If KeyCode = 13 Then
        Call Image1_Click
    End If
End Sub

'确定按钮功能
Private Sub Image1_Click()
If reland.Value = 0 Then       '正常登陆
    If login(Trim(t1.Text), Trim(t2.Text)) = True Then
        username = t1.Text
        frmmain.Show
        '状态栏显示欢迎用户信息
        frmmain.statmain.Panels(1).Text = "欢迎" & frmLogin.username & "登陆系统!"
        '状态栏的警告信息
        Call pwdinfo
        '写入用户登陆信息
        writeini_land (frmLogin.username)
        '主窗体中保留当前用户名和密码
        frmmain.currentuser.Text = Trim(Me.t1.Text)
        frmmain.currentpwd.Text = Trim(Me.t2.Text)
        '检查用户名是否出现在users.ini中,如果没有就加入
        Call chkandwriteusername(Trim(t1.Text))
        Unload Me
    End If
Else                           '重登陆
    If login(Trim(t1.Text), Trim(t2.Text)) = True Then
        username = t1.Text
        frmmain.Visible = True
        '状态栏显示欢迎用户信息
        frmmain.statmain.Panels(1).Text = "欢迎" & frmLogin.username & "登陆系统!"
        '状态栏的警告信息
        Call pwdinfo
        '写入用户登陆信息
        writeini_land (frmLogin.username)
        '主窗体中保留当前用户名和密码
        frmmain.currentuser.Text = Trim(Me.t1.Text)
        frmmain.currentpwd.Text = Trim(Me.t2.Text)
        '检查用户名是否出现在users.ini中,如果没有就加入
        Call chkandwriteusername(Trim(t1.Text))
        Unload Me
    End If
End If
End Sub
'退出按钮功能
Private Sub Image2_Click()
If reland.Value = 0 Then       '正常退出
    Unload Me
Else                           '重登陆中退出
    Unload Me
    frmmain.Visible = True
End If
End Sub
'关闭图片按钮功能实现
Private Sub Image3_Click()
    Unload Me
End Sub

'显示数据库设置指南
Private Sub picshowdbhelp_Click()
    Shell "showdbhelp.exe"
End Sub

'帐户管理
Private Sub picuser_Click()
    frmuserlogin.Show
    Me.Visible = False
End Sub

'清空曾经登陆的用户名
Private Sub clrusername_Click()
    Shell ("clrusers.exe")  '清空users.ini文件
    For i = 0 To frmLogin.t1.ListCount   '清空当前帐户目录
        frmLogin.t1.List(i) = ""
    Next
End Sub


Private Sub t2_Change()
    Call chkuserpwd(Me.t2.Text)
End Sub

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