frmadduser.frm

vb写的图书馆管理系统的源码

VERSION 5.00
Begin VB.Form frmadduser 
   Caption         =   "设定用户"
   ClientHeight    =   2940
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4770
   LinkTopic       =   "Form1"
   ScaleHeight     =   2940
   ScaleWidth      =   4770
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   375
      Left            =   2400
      TabIndex        =   7
      Top             =   2040
      Width           =   1335
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   375
      Left            =   600
      TabIndex        =   6
      Top             =   2040
      Width           =   1335
   End
   Begin VB.TextBox Text3 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1680
      PasswordChar    =   "*"
      TabIndex        =   5
      Top             =   1200
      Width           =   2535
   End
   Begin VB.TextBox Text2 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1680
      PasswordChar    =   "*"
      TabIndex        =   4
      Top             =   720
      Width           =   2535
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   1680
      TabIndex        =   3
      Top             =   240
      Width           =   2535
   End
   Begin VB.Label Label3 
      Caption         =   "确认密码："
      Height          =   255
      Left            =   240
      TabIndex        =   2
      Top             =   1320
      Width           =   1095
   End
   Begin VB.Label Label2 
      Caption         =   "输入密码："
      Height          =   255
      Left            =   240
      TabIndex        =   1
      Top             =   840
      Width           =   1095
   End
   Begin VB.Label Label1 
      Caption         =   "输入用户名："
      Height          =   255
      Left            =   240
      TabIndex        =   0
      Top             =   360
      Width           =   1095
   End
End
Attribute VB_Name = "frmadduser"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim sql As String
Dim rs_add As New ADODB.Recordset
Dim conn As New ADODB.Connection
conn.Open "provider=Microsoft.Jet.OLEDB.4.0; data source=" & App.Path & "\database.mdb"
 If Trim(Text1.Text) = "" Then
    MsgBox "用户名不能为空,请输入！", vbOKOnly + vbExclamation, ""
    Text1.SetFocus
 Else
   sql = "select * from 用户表"
   rs_add.Open sql, conn, adOpenKeyset, adLockPessimistic
   While (rs_add.EOF = False)
      If Trim(rs_add.Fields(0)) = Trim(Text1.Text) Then
          MsgBox "已有这个用户", vbOKOnly + vbExclamation, ""
          Text1.SetFocus
          Text1.Text = ""
          Text2.Text = ""
          Text3.Text = ""
          Exit Sub
       Else
          rs_add.MoveNext
       End If
    Wend
    If Trim(Text2.Text) <> Trim(Text3.Text) Then
      MsgBox "两次密码不一致", vbOKOnly + vbExclamation, ""
      Text2.SetFocus
      Text2.Text = ""
      Text3.Text = ""
      Exit Sub
    Else
      rs_add.AddNew
      rs_add.Fields(0) = Text1.Text
      rs_add.Fields(1) = Text2.Text
      rs_add.Update
      MsgBox "添加用户成功!", vbOKOnly + vbExclamation, ""
      Me.Hide
    End If
End If
End Sub


Private Sub Command2_Click()
  Unload Me
End Sub