frmlogin.frm

西南医院管理系统。

VERSION 5.00
Begin VB.Form FrmLogin 
   Caption         =   "登陆窗体"
   ClientHeight    =   2880
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   2880
   ScaleWidth      =   4680
   StartUpPosition =   2  '屏幕中心
   Begin VB.Data Data1 
      Caption         =   "Data1"
      Connect         =   "Access 2000;"
      DatabaseName    =   ""
      DefaultCursorType=   0  '缺省游标
      DefaultType     =   2  '使用 ODBC
      Exclusive       =   0   'False
      Height          =   345
      Left            =   2520
      Options         =   0
      ReadOnly        =   0   'False
      RecordsetType   =   1  'Dynaset
      RecordSource    =   ""
      Top             =   1680
      Visible         =   0   'False
      Width           =   1815
   End
   Begin VB.CommandButton Command2 
      Caption         =   "关 闭"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   8.25
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   2520
      TabIndex        =   5
      Top             =   2280
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "登 陆"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   8.25
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   720
      TabIndex        =   4
      Top             =   2280
      Width           =   1215
   End
   Begin VB.TextBox TxtPwd 
      Height          =   495
      IMEMode         =   3  'DISABLE
      Left            =   1920
      PasswordChar    =   "*"
      TabIndex        =   3
      Top             =   1440
      Width           =   1935
   End
   Begin VB.TextBox TxtUser 
      Height          =   495
      Left            =   1920
      TabIndex        =   2
      Top             =   720
      Width           =   1935
   End
   Begin VB.Label Label3 
      Alignment       =   2  'Center
      Caption         =   "西南医院中医科病人资料管理系统"
      BeginProperty Font 
         Name            =   "新宋体"
         Size            =   12
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   0
      TabIndex        =   6
      Top             =   150
      Width           =   4800
   End
   Begin VB.Label Label2 
      Caption         =   "密 码"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   12
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   720
      TabIndex        =   1
      Top             =   1560
      Width           =   735
   End
   Begin VB.Label Label1 
      Caption         =   "用户名"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   12
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   720
      TabIndex        =   0
      Top             =   720
      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 Command1_Click()
Static i As Integer '检测输入错误次数
If TxtUser.Text = "" Then
   MsgBox "用户名不能为空", vbOKOnly + vbCritical, "系统提示"
   TxtUser.SetFocus
   Exit Sub
End If
If TxtPwd.Text = "" Then
   MsgBox "密码不能为空", vbOKOnly + vbCritical, "系统提示"
   TxtPwd.SetFocus
   Exit Sub
End If
'***********************
'On Error Resume Next
Data1.Recordset.MoveFirst
Do While Not Data1.Recordset.EOF
    If Data1.Recordset.Fields("id") = TxtUser.Text Then '检测用户名
       If Data1.Recordset.Fields("pwd") = TxtPwd.Text Then '检测密码
          FrmMdi.StatusBar1.Panels(1).Text = "当前操作员:" & TxtUser.Text
          FrmMdi.Show
          Unload Me
          Exit Sub
          Else
            i = i + 1
            If i >= 3 Then '检测错误次数
                MsgBox "你已经三次输入错误，谢谢使用!", vbOKOnly + vbQuestion, "系统提示"
                Unload Me
                Exit Sub
            End If '密码错误处理
        MsgBox "密码错误", vbOKOnly + vbCritical, "系统提示"
        TxtPwd.Text = ""
        TxtPwd.SetFocus
        Exit Sub
       End If
    End If
    Data1.Recordset.MoveNext '数据移动到下一条
Loop
    i = i + 1
    If i >= 3 Then '检测错误次数
       MsgBox "你已经三次输入错误，谢谢使用!", vbOKOnly + vbQuestion, "系统提示"
       Unload Me
       Exit Sub
    End If '用户名错误处理
    MsgBox "用户名错误", vbOKOnly + vbCritical, "系统提示"
    TxtUser.Text = ""
    TxtUser.SetFocus
    Exit Sub
End Sub

Private Sub Command2_Click()
Unload Me
End Sub

Private Sub Form_Load()
Data1.DatabaseName = App.Path & "\message.mdb"
Data1.RecordSource = "admin"
End Sub

Private Sub TxtPwd_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
   Command1.SetFocus
End If
End Sub

Private Sub TxtUser_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
   TxtPwd.SetFocus
End If
End Sub