form1.frm

学生考试管理系统

VERSION 5.00
Begin VB.Form pass 
   Caption         =   "考务管理系统"
   ClientHeight    =   4185
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   6165
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   4185
   ScaleWidth      =   6165
   StartUpPosition =   2  '屏幕中心
   Begin VB.Frame Frame1 
      Caption         =   "用户登录"
      Height          =   2325
      Left            =   840
      TabIndex        =   2
      Top             =   660
      Width           =   4380
      Begin VB.TextBox Text1 
         Height          =   480
         Index           =   0
         Left            =   1410
         TabIndex        =   5
         Tag             =   "0"
         Top             =   615
         Width           =   1995
      End
      Begin VB.TextBox Text1 
         Height          =   480
         IMEMode         =   3  'DISABLE
         Index           =   1
         Left            =   1410
         PasswordChar    =   "*"
         TabIndex        =   3
         Tag             =   "1"
         Top             =   1410
         Width           =   1995
      End
      Begin VB.Label Label1 
         Caption         =   "用户名"
         Height          =   480
         Left            =   840
         TabIndex        =   6
         Top             =   735
         Width           =   960
      End
      Begin VB.Label Label2 
         Caption         =   "口令"
         Height          =   495
         Left            =   840
         TabIndex        =   4
         Top             =   1560
         Width           =   930
      End
   End
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   495
      Left            =   3810
      TabIndex        =   1
      Top             =   3105
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   495
      Left            =   1005
      TabIndex        =   0
      Top             =   3105
      Width           =   1215
   End
End
Attribute VB_Name = "pass"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

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 '未找到该用户记录
   n = n + 1
   If n < 3 Then
    MsgBox "没有这个用户，继续登录", vbOKOnly + vbExclamation, "信息提示"
    Text1(0).Text = ""
    Text1(1).Text = ""
    Text1(0).SetFocus
   Else
    MsgBox "已经登录失败三次，退出系统", vbiokonly + vbExclamation, "信息提示"
    mrc.Close
    Unload Me
   End If
  Else '找到合法记录
   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 form_load()
n = 0 '保存登录的次数
End Sub

Private Sub Text1_KeyPress(Index As Integer, KeyAscii As Integer)
  Call endata(KeyAscii)
End Sub