pass.frm

考务管理是学校考务管理的重要部分

VERSION 5.00
Begin VB.Form pass 
   Caption         =   "考务管理系统"
   ClientHeight    =   3435
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   5115
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3435
   ScaleWidth      =   5115
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   375
      Left            =   2640
      TabIndex        =   7
      Top             =   2640
      Width           =   735
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   375
      Left            =   1680
      TabIndex        =   6
      Top             =   2640
      Width           =   735
   End
   Begin VB.Frame Frame1 
      Caption         =   "用户登陆"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1455
      Left            =   960
      TabIndex        =   0
      Top             =   960
      Width           =   3255
      Begin VB.TextBox Text1 
         Height          =   270
         IMEMode         =   3  'DISABLE
         Index           =   1
         Left            =   1440
         PasswordChar    =   "*"
         TabIndex        =   5
         Top             =   840
         Width           =   1215
      End
      Begin VB.TextBox Text1 
         Height          =   270
         Index           =   0
         Left            =   1440
         TabIndex        =   4
         Top             =   480
         Width           =   1215
      End
      Begin VB.Label Label3 
         Caption         =   "口  令"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   134
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   255
         Left            =   600
         TabIndex        =   3
         Top             =   840
         Width           =   615
      End
      Begin VB.Label Label2 
         Caption         =   "用户名"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   134
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   255
         Left            =   600
         TabIndex        =   2
         Top             =   480
         Width           =   615
      End
   End
   Begin VB.Label Label1 
      Caption         =   "考务管理系统"
      BeginProperty Font 
         Name            =   "仿宋_GB2312"
         Size            =   18
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   1440
      TabIndex        =   1
      Top             =   360
      Width           =   2415
   End
End
Attribute VB_Name = "pass"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Form_Load()
    n = 0 'n保存登陆的次数
End Sub

Private Sub command1_click()
    Dim mrc As ADODB.Recordset
    txtsql = "select * from oper where 用户名='" & Trim$(Text1(0).Text) _
            & "'" & "and 口令='" & Trim$(Text1(1).Text) + "'"
    Set mrc = exesql(txtsql)
    If mrc.RecordCount = 0 Then '未找到用户纪录
        n = n + 1
        If n < 3 Then
            MsgBox "没有这个用户，继续登陆", vbOKOnly + vbExclamation, "信息提示"
            Text1(0).Text = ""
            Text1(1).Text = ""
            Text1(0).SetFocus
        Else
            MsgBox "已登陆失败三次，退出系统", vbOKOnly + vbExclamation, "信息提示"
            mrc.Close
            Unload Me
        End If
    Else            '找到合法用户纪录
        userlevel = Trim(mrc.Fields("级别"))
        mrc.Close
        Unload Me
        main.Show   '调用main窗体
    End If
End Sub

Private Sub Command2_Click()
    Unload Me
End Sub

Private Sub text1_KeyPress(Index As Integer, KeyAscii As Integer)
    Call endata(KeyAscii)
End Sub