frmlogin_second.frm

一个医院系统的VB源码

VERSION 5.00
Begin VB.Form frmLogin_second 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "系统登录"
   ClientHeight    =   1890
   ClientLeft      =   4335
   ClientTop       =   3450
   ClientWidth     =   3855
   Icon            =   "frmLogin_second.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1116.673
   ScaleMode       =   0  'User
   ScaleWidth      =   3619.636
   ShowInTaskbar   =   0   'False
   StartUpPosition =   1  '所有者中心
   Begin VB.ComboBox Combo1 
      BackColor       =   &H00C0FFFF&
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   360
      Left            =   1770
      TabIndex        =   5
      Top             =   300
      Width           =   1755
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定"
      Default         =   -1  'True
      Height          =   390
      Left            =   1770
      TabIndex        =   3
      Top             =   1380
      Width           =   780
   End
   Begin VB.CommandButton cmdCancel 
      BackColor       =   &H8000000A&
      Cancel          =   -1  'True
      Caption         =   "取消"
      Height          =   390
      Left            =   2790
      TabIndex        =   4
      Top             =   1380
      Width           =   720
   End
   Begin VB.TextBox txtPassword 
      BackColor       =   &H00C0FFFF&
      DataField       =   "password"
      DataSource      =   "Data1"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   345
      IMEMode         =   3  'DISABLE
      Left            =   1770
      PasswordChar    =   "*"
      TabIndex        =   2
      Top             =   900
      Width           =   1725
   End
   Begin VB.Label lblLabels 
      BackStyle       =   0  'Transparent
      Caption         =   "用户名称(&U):"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   11.25
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00000000&
      Height          =   420
      Index           =   0
      Left            =   180
      TabIndex        =   0
      Top             =   300
      Width           =   1530
   End
   Begin VB.Label lblLabels 
      BackStyle       =   0  'Transparent
      Caption         =   "密码(&P):"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   11.25
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00000000&
      Height          =   360
      Index           =   1
      Left            =   210
      TabIndex        =   1
      Top             =   930
      Width           =   1275
   End
End
Attribute VB_Name = "frmLogin_second"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim strsloadql As String
Dim chkpassword As String               '检查密码是否正确
Public LoginSucceeded As Boolean        '全局变量表示登陆是否成功

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

Private Sub cmdOK_Click()
If Combo1.Text = "" Then
   MsgBox "别忘了选择用户名:)", vbOKOnly, ":("
   Exit Sub
End If
'检查正确的密码
If txtPassword.Text <> "" Then
    If txtPassword.Text = chkpassword Then
        LoginSucceeded = True
        Call condatabase
        Set rsload = New ADODB.Recordset
            rsload.open "select * from user_load where user_name='" & Combo1.Text & "'", cn, adOpenStatic, adLockPessimistic
            If rsload.Fields("ql_flag") <> "" Then
               czry_flag = rsload.Fields("ql_flag").Value
            Else
               czry_flag = "00000000000000"
            End If
        
        Dim rsczry As ADODB.Recordset
        Set rsczry = New ADODB.Recordset
            rsczry.open "select * from czry", cn, adOpenStatic, adLockPessimistic
            rsczry.Fields(1).Value = Combo1.Text
            rsczry.Update
            rsczry.close
            
        mainform.StatusBar1.Panels(2).Text = "操作人员: " & Combo1.Text
        mainform.StatusBar1.Panels(1).Text = "状态： 无"
        Unload Me
    
        mainform.Show

    Else
        MsgBox "无效的密码，请重试!", , "登录"
        txtPassword.SetFocus
        SendKeys "{Home}+{End}"
    End If
    txtPassword.Text = ""
Else
    MsgBox "别忘了输入密码:)", vbOKOnly, ":("
End If

End Sub

Private Sub Combo1_Click()
Call condatabase
Set rsload = New ADODB.Recordset
    rsload.open "select password from user_load where user_name='" & Combo1.Text & "'", cn, adOpenStatic, adLockPessimistic
txtPassword.SetFocus
chkpassword = rsload.Fields("password")
End Sub

Private Sub Form_Initialize()
    txtPassword.Text = ""
End Sub

Private Sub Form_Load()
Call condatabase
Dim rsload As ADODB.Recordset
Set rsload = New ADODB.Recordset
    strsloadql = "select * from user_load"
Set rsload = cn.Execute(strsloadql)
Combo1.Clear
   Do Until rsload.EOF
             Combo1.AddItem rsload.Fields("user_name")
             rsload.MoveNext
   Loop
End Sub