frmuseredit.frm

vb与access数据库的操作实例

VERSION 5.00
Begin VB.Form FrmUserEdit 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "编辑用户信息"
   ClientHeight    =   2070
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   3960
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2070
   ScaleWidth      =   3960
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Cmd_Ok 
      Caption         =   "确 定"
      Height          =   400
      Left            =   660
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   3
      Top             =   1560
      Width           =   945
   End
   Begin VB.CommandButton Cmd_Cancel 
      Cancel          =   -1  'True
      Caption         =   "取 消"
      Height          =   400
      Left            =   2265
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   4
      Top             =   1560
      Width           =   945
   End
   Begin VB.Frame Frame1 
      Height          =   1335
      Left            =   240
      TabIndex        =   5
      Top             =   120
      Width           =   3495
      Begin VB.TextBox txtPass2 
         Height          =   270
         IMEMode         =   3  'DISABLE
         Left            =   1200
         MaxLength       =   20
         PasswordChar    =   "*"
         TabIndex        =   2
         Top             =   915
         Width           =   2175
      End
      Begin VB.TextBox txtPass 
         Height          =   270
         IMEMode         =   3  'DISABLE
         Left            =   1200
         MaxLength       =   20
         PasswordChar    =   "*"
         TabIndex        =   1
         Top             =   555
         Width           =   2175
      End
      Begin VB.TextBox txtUserName 
         Height          =   270
         Left            =   1200
         MaxLength       =   20
         TabIndex        =   0
         Top             =   240
         Width           =   2175
      End
      Begin VB.Label Label4 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "用户名"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   240
         TabIndex        =   8
         Top             =   240
         Width           =   540
      End
      Begin VB.Label Label6 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "确认密码"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   240
         TabIndex        =   7
         Top             =   960
         Width           =   720
      End
      Begin VB.Label Label1 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "密  码"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   240
         TabIndex        =   6
         Top             =   600
         Width           =   540
      End
   End
End
Attribute VB_Name = "FrmUserEdit"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public Modify As Boolean
Public OriUser As String

Private Sub Cmd_Cancel_Click()
  Unload Me
End Sub

Private Sub Cmd_OK_Click()
  If Trim(txtUserName) = "" Then
    MsgBox "请输入用户名"
    txtUserName.SetFocus
    Exit Sub
  End If
  If Len(txtPass) < 6 Then
    MsgBox "密码长度不能小于6"
    txtPass.SetFocus
    txtPass.SelStart = 0
    txtPass.SelLength = Len(txtPass2)
    Exit Sub
  End If
  If txtPass <> txtPass2 Then
    MsgBox "密码和确认密码不相同，请重新确认"
    txtPass2.SetFocus
    txtPass2.SelStart = 0
    txtPass2.SelLength = Len(txtPass2)
    Exit Sub
  End If
  
  With MyUser
  If Modify = False Or OriUser <> Trim(txtUserName) Then
    If .In_DB(MakeStr(txtUserName)) = True Then
      MsgBox "用户名已经存在，请重新输入"
      txtUserName.SetFocus
      txtUserName.SelStart = 0
      txtUserName.SelLength = Len(txtUserName)
      Exit Sub
    End If
  End If
  .UserName = MakeStr(txtUserName)
  .UserPwd = MakeStr(txtPass)
  
  
  If Modify = False Then
    .Insert
    MsgBox "添加完成"
  Else
    .Update (OriUser)
    MsgBox "修改完成"
  End If
  End With
  Unload Me
End Sub