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     =   0  'None
   Caption         =   "系统登录"
   ClientHeight    =   3780
   ClientLeft      =   4200
   ClientTop       =   3000
   ClientWidth     =   5880
   LinkTopic       =   "Form1"
   LockControls    =   -1  'True
   MaxButton       =   0   'False
   MinButton       =   0   'False
   Picture         =   "frm_xtdl.frx":0000
   ScaleHeight     =   3780
   ScaleWidth      =   5880
   ShowInTaskbar   =   0   'False
   Begin VB.ComboBox Cbx_Name 
      Height          =   300
      Left            =   1590
      TabIndex        =   3
      Text            =   "MR"
      Top             =   2370
      Width           =   1320
   End
   Begin VB.TextBox Txt_Password 
      Appearance      =   0  'Flat
      BackColor       =   &H00FFFFFF&
      Height          =   285
      IMEMode         =   3  'DISABLE
      Left            =   3975
      PasswordChar    =   "*"
      TabIndex        =   2
      Top             =   2370
      Width           =   1350
   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            =   3540
      TabIndex        =   0
      Top             =   2925
      Width           =   875
   End
   Begin VB.CommandButton Cmd_Cancel 
      Caption         =   "取消"
      Height          =   320
      Left            =   4575
      TabIndex        =   1
      Top             =   2925
      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()
Dim MPassword As String
If Cbx_Name.Text = "MR" And Txt_Password.Text = "mingrisoft" Then    '判断是否使用的是超级口令登录
    Frm_Main.StatusBar1.Panels.Item(2).Text = "当前操作员： MR"
    Name1 = Cbx_Name.Text                                  '将操作员姓名信息赋予全局变量Name1
    Unload Me
    Frm_Main.Show                                           '显示系统主窗体
Else
 Adodc1.RecordSource = "select * from tb_user where user_name ='" & Cbx_Name.Text & "'"
 Adodc1.Refresh
      If Adodc1.Recordset.RecordCount > 0 Then
          MPassword = Adodc1.Recordset.Fields("user_mm")
          If Txt_Password.Text = MPassword Then                     '判断数据的密码是否正确
              Name1 = Cbx_Name.Text
              Frm_Main.StatusBar1.Panels.Item(2).Text = "当前操作员： " + Adodc1.Recordset.Fields("user_name")
              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"
          Cbx_Name.Text = ""
          Txt_Password.Text = ""
      End If
  End If
End Sub
Private Sub Form_Load()
Call WHScreen                   '调用获取屏幕分辨率的过程函数
'使用代码连接数据库与数据表
   Adodc1.ConnectionString = PublicStr
   Adodc1.RecordSource = "select * from tb_user"
   Adodc1.Refresh
   If Adodc1.Recordset.RecordCount > 0 Then
     Adodc1.Recordset.MoveFirst
        Cbx_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ListView控件当中
        Cbx_Name.AddItem (Adodc1.Recordset.Fields("user_name"))
        Adodc1.Recordset.MoveNext
     Loop
   End If
  If TWidth <= 800 Or THeigth <= 600 Then     '判断屏幕分辨率的大小
     Exit Sub
  Else
      ChangeScreen       '调整屏幕分辨率
  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
Private Sub ChangeScreen()     '改变屏幕分辨率函数
   
   MsgBox "您桌面的分辨率并不是800*600,建议您将桌面的分辨率调整成800*600之后，再运行此程序!", 64, "提示信息"
   
End Sub