frm_xtdl.frm

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VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form frm_xtdl 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "系统登录"
   ClientHeight    =   2115
   ClientLeft      =   4245
   ClientTop       =   3435
   ClientWidth     =   3795
   LinkTopic       =   "Form1"
   LockControls    =   -1  'True
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2115
   ScaleWidth      =   3795
   StartUpPosition =   2  '屏幕中心
   Begin VB.Frame Frame1 
      Caption         =   "操作员信息"
      Height          =   1410
      Left            =   120
      TabIndex        =   2
      Top             =   195
      Width           =   3525
      Begin VB.TextBox Txt_Password 
         Appearance      =   0  'Flat
         BackColor       =   &H00FFFFFF&
         Height          =   285
         IMEMode         =   3  'DISABLE
         Left            =   1455
         PasswordChar    =   "*"
         TabIndex        =   4
         Top             =   900
         Width           =   1875
      End
      Begin VB.ComboBox Op_Name 
         Height          =   300
         Left            =   1455
         TabIndex        =   3
         Top             =   390
         Width           =   1875
      End
      Begin VB.Label Label2 
         Caption         =   "操作员口令："
         Height          =   270
         Left            =   165
         TabIndex        =   6
         Top             =   960
         Width           =   1185
      End
      Begin VB.Label Label1 
         Caption         =   "操作员名称："
         Height          =   270
         Left            =   165
         TabIndex        =   5
         Top             =   450
         Width           =   1185
      End
   End
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   375
      Left            =   300
      Top             =   4185
      Width           =   2175
      _ExtentX        =   3836
      _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=   1
      Appearance      =   1
      BackColor       =   -2147483643
      ForeColor       =   -2147483640
      Orientation     =   0
      Enabled         =   -1
      Connect         =   ""
      OLEDBString     =   ""
      OLEDBFile       =   ""
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   ""
      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 Cmd_Ok 
      Caption         =   "确定"
      Height          =   320
      Left            =   1785
      TabIndex        =   0
      Top             =   1665
      Width           =   875
   End
   Begin VB.CommandButton Cmd_Cancel 
      Caption         =   "取消"
      Height          =   320
      Left            =   2770
      TabIndex        =   1
      Top             =   1665
      Width           =   875
   End
End
Attribute VB_Name = "frm_xtdl"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim itmX As ListItem     '定义一个ListItem对象
Dim key  As String       '定义字符串变量

Private Sub Cmd_Cancel_Click()
  End
End Sub

'用户登录按钮的事件代码
Private Sub Cmd_Ok_Click()
 Adodc1.RecordSource = "select * from 用户信息 where 用户名 ='" & Op_Name.Text & "'"
 Adodc1.Refresh
    If Adodc1.Recordset.RecordCount > 0 Then
        MPassword = Adodc1.Recordset.Fields("密码")
        If Txt_Password.Text = MPassword Then                     '判断数据的密码是否正确
            Name1 = Op_Name.Text
            Frm_Main.StatusBar1.Panels.Item(2).Text = "当前操作员： " + Adodc1.Recordset.Fields("用户名")
            Frm_Main.Show                                         '通过身份验证则显示主窗体，登录到系统当中
            Unload Me
        Else
            MsgBox "密码不正确,请您确认后重新输入", , "提示信息"
            Txt_Password.Text = ""
            Txt_Password.SetFocus
        End If
    Else
        MsgBox "对不起 没有此用户的信息", , "提示信息"
        Op_Name.Text = ""
        Txt_Password.Text = ""
    End If
End Sub
Private Sub Form_Load()
'使用代码连接数据库与数据表
   Adodc1.ConnectionString = MyStrs
   Adodc1.RecordSource = "select * from 用户信息"
   Adodc1.Refresh
   If Adodc1.Recordset.RecordCount > 0 Then
     Adodc1.Recordset.MoveFirst
        Op_Name.Clear                       '在添加数据时，首先清空控件中的内容
     Do While Adodc1.Recordset.EOF = False  '将操作员信息添加到下拉列表框控件当中
        Op_Name.AddItem (Adodc1.Recordset.Fields("用户名"))
        Adodc1.Recordset.MoveNext
     Loop
   End If
End Sub

Private Sub Label3_Click()

End Sub

Private Sub Txt_Password_KeyDown(KeyCode As Integer, Shift As Integer)
  If KeyCode = 13 Then
     Call Cmd_Ok_Click   '调用确定按钮的单击事件代码
  End If
End Sub

Private Sub Combo1_KeyDown(KeyCode As Integer, Shift As Integer)
If KeyCode = 13 Then
    Txt_Password.SetFocus
End If
End Sub