frmregset.frm

vb+access编写的考试管理系统

VERSION 5.00
Begin VB.Form frmRegset 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "注册"
   ClientHeight    =   1545
   ClientLeft      =   2835
   ClientTop       =   3480
   ClientWidth     =   6210
   BeginProperty Font 
      Name            =   "宋体"
      Size            =   12
      Charset         =   134
      Weight          =   400
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   912.837
   ScaleMode       =   0  'User
   ScaleWidth      =   5830.854
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton cmdLogin 
      Cancel          =   -1  'True
      Caption         =   "注册"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   390
      Left            =   2535
      TabIndex        =   3
      Top             =   1080
      Width           =   1140
   End
   Begin VB.TextBox txtUserName 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   345
      Left            =   1425
      TabIndex        =   5
      Top             =   135
      Width           =   2325
   End
   Begin VB.TextBox txtPassword 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   345
      IMEMode         =   3  'DISABLE
      Left            =   1425
      PasswordChar    =   "*"
      TabIndex        =   2
      Top             =   525
      Width           =   2325
   End
   Begin VB.Label lab1 
      Caption         =   "(0-8位)"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   300
      Left            =   3855
      TabIndex        =   4
      Top             =   600
      Width           =   1125
   End
   Begin VB.Label isOk 
      Caption         =   "请输入新的用户名"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   300
      Left            =   3855
      TabIndex        =   6
      Top             =   180
      Width           =   2085
   End
   Begin VB.Label lblLabels 
      Caption         =   "用户名称(&U):"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   270
      Index           =   0
      Left            =   240
      TabIndex        =   0
      Top             =   150
      Width           =   1080
   End
   Begin VB.Label lblLabels 
      Caption         =   "密码(&P):"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   270
      Index           =   1
      Left            =   240
      TabIndex        =   1
      Top             =   540
      Width           =   1080
   End
End
Attribute VB_Name = "frmRegset"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Public LoginSucceeded As Boolean
Private isNew As Boolean

Private Sub cmdLogin_Click()
    If (isNew) Then
        add "insert into 登陆 (用户名, 密码) values ('" + txtUserName + "', '" + txtPassword + "')"
        Me.Hide
        frmLogin.Show
    Else
        txtUserName.SetFocus
        MsgBox isOk.Name
    End If
End Sub

Private Sub txtPassword_Change()
    Dim l As Integer
    l = Len(txtPassword)
    If (l > 8) Then
        MsgBox "密码长度错误"
        txtPassword.SetFocus
    End If
    
End Sub

Private Sub txtUserName_Change()
    isNew = True
    
    If (txtUserName = "") Then
        txtUserName.SetFocus
        isOk = "请输入新的用户名"
        isNew = False
    Else
        Dim rs As Recordset
        Set rs = query("select * from 登陆 where 用户名='" + txtUserName + "'")
        Dim n  As Integer
        n = getRows(rs)
        rs.Close
        
        If (n <= 0) Then
            isNew = True
            isOk = "√ 用户名未被使用"
        Else
            isNew = False
            txtUserName.SetFocus
            isOk = "× 用户名已经有人使用"
        End If
    End If
End Sub