frmlogin3.frm

煤炭销售管理系统.完成煤炭销售的日常管理工作,和重车计量系统空车计量系统配合使用.

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form frmLogin2 
   BackColor       =   &H00E0E0E0&
   BorderStyle     =   0  'None
   Caption         =   "登录"
   ClientHeight    =   2760
   ClientLeft      =   2790
   ClientTop       =   3045
   ClientWidth     =   5070
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1630.699
   ScaleMode       =   0  'User
   ScaleWidth      =   4757.585
   ShowInTaskbar   =   0   'False
   Begin VB.PictureBox Picture1 
      BackColor       =   &H00C0E0FF&
      Height          =   1695
      Left            =   120
      ScaleHeight     =   1635
      ScaleWidth      =   4740
      TabIndex        =   2
      Top             =   480
      Width           =   4795
      Begin VB.PictureBox Picture2 
         Height          =   1335
         Left            =   120
         ScaleHeight     =   1275
         ScaleWidth      =   3915
         TabIndex        =   3
         Top             =   120
         Width           =   3975
         Begin VB.TextBox txtPassword 
            Height          =   345
            IMEMode         =   3  'DISABLE
            Left            =   1320
            PasswordChar    =   "*"
            TabIndex        =   5
            Top             =   720
            Width           =   2444
         End
         Begin VB.TextBox DataCombo1 
            Height          =   375
            Left            =   1320
            TabIndex        =   4
            Top             =   240
            Width           =   2415
         End
         Begin MSAdodcLib.Adodc Adodc1 
            Height          =   360
            Left            =   120
            Top             =   480
            Visible         =   0   'False
            Width           =   1095
            _ExtentX        =   2117
            _ExtentY        =   635
            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=dzqch"
            OLEDBString     =   ""
            OLEDBFile       =   ""
            DataSourceName  =   "dzqch"
            OtherAttributes =   ""
            UserName        =   ""
            Password        =   ""
            RecordSource    =   "select * from ma"
            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.Label lblLabels 
            Caption         =   "密码(&P):"
            Height          =   270
            Index           =   1
            Left            =   120
            TabIndex        =   7
            Top             =   840
            Width           =   1080
         End
         Begin VB.Label lblLabels 
            Caption         =   "用户名称(&U):"
            Height          =   270
            Index           =   0
            Left            =   120
            TabIndex        =   6
            Top             =   240
            Width           =   1080
         End
      End
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定"
      Default         =   -1  'True
      Height          =   254
      Left            =   960
      TabIndex        =   0
      Top             =   2400
      Width           =   1140
   End
   Begin VB.CommandButton cmdCancel 
      Cancel          =   -1  'True
      Caption         =   "取消"
      Height          =   254
      Left            =   2520
      TabIndex        =   1
      Top             =   2400
      Width           =   1140
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "系统登录"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   -1  'True
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H8000000D&
      Height          =   255
      Left            =   240
      TabIndex        =   8
      Top             =   120
      Width           =   1815
   End
   Begin VB.Shape Shape1 
      BorderWidth     =   3
      Height          =   2775
      Left            =   0
      Top             =   0
      Width           =   5055
   End
End
Attribute VB_Name = "frmLogin2"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Public LoginSucceeded As Boolean

Private Sub cmdCancel_Click()
    '设置全局变量为 false
    '不提示失败的登录
    LoginSucceeded = False
    Me.Hide
End Sub

Private Sub cmdOK_Click()
On Error Resume Next
Dim maa As String
Adodc1.RecordSource = "select * from ma where rm='" & DataCombo1.text & "'"
    Adodc1.Refresh
    If Adodc1.Recordset.EOF Then
    
        MsgBox "对不起，你的用户名不正确，请重新登录"
        Exit Sub
     Else
maa = Adodc1.Recordset.Fields("ma")
     End If
    
    
    '检查正确的密码
    If txtPassword.text = "password" Or txtPassword.text = maa Then
        '将代码放在这里传递
        '成功到 calling 函数
        '设置全局变量时最容易的
        LoginSucceeded = True
Unload Me
MDIForm1.Show
      
    Else
        MsgBox "无效的密码，请重试!", , "登录"
        txtPassword.SetFocus
        SendKeys "{Home}+{End}"
    End If
End Sub

Private Sub DataCombo1_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then

Adodc1.RecordSource = "select * from ma where rm='" & DataCombo1.text & "'"
    Adodc1.Refresh
    If Adodc1.Recordset.EOF Then
    
        MsgBox "对不起，你的用户名不正确，请重新登录"
        Exit Sub
     Else
     txtPassword = Adodc1.Recordset.Fields("ma")
     End If

txtPassword.SetFocus
End If
End Sub

Private Sub txtPassword_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
'cmdOK.SetFocus
End If
End Sub