frmadduser.frm

这是我和同学编嘚图书馆管理信息系统

VERSION 5.00
Begin VB.Form frmAddUser 
   Caption         =   "添加新用户"
   ClientHeight    =   5955
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4980
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   ScaleHeight     =   5955
   ScaleWidth      =   4980
   StartUpPosition =   1  '所有者中心
   Begin VB.CommandButton cmdAddUser 
      Caption         =   "添加"
      Height          =   615
      Left            =   1680
      TabIndex        =   3
      Top             =   5040
      Width           =   1575
   End
   Begin VB.TextBox txtDetail 
      Height          =   1815
      Left            =   720
      TabIndex        =   2
      Top             =   2760
      Width           =   3495
   End
   Begin VB.TextBox txtPasswd 
      Height          =   495
      IMEMode         =   3  'DISABLE
      Left            =   2520
      PasswordChar    =   "*"
      TabIndex        =   1
      Top             =   1440
      Width           =   1695
   End
   Begin VB.TextBox UserName 
      Height          =   615
      Left            =   2520
      TabIndex        =   0
      Top             =   480
      Width           =   1695
   End
   Begin VB.Label Label4 
      Caption         =   "*"
      Height          =   255
      Left            =   4320
      TabIndex        =   7
      Top             =   600
      Width           =   255
   End
   Begin VB.Label Label3 
      Caption         =   "备注"
      Height          =   495
      Left            =   720
      TabIndex        =   6
      Top             =   2400
      Width           =   1575
   End
   Begin VB.Label Label2 
      Caption         =   "密码"
      Height          =   495
      Left            =   720
      TabIndex        =   5
      Top             =   1320
      Width           =   1455
   End
   Begin VB.Label Label1 
      Caption         =   "用户名"
      Height          =   495
      Left            =   720
      TabIndex        =   4
      Top             =   600
      Width           =   1455
   End
End
Attribute VB_Name = "frmAddUser"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False



Private Sub txtUserName_LostFocus()
        If txtUserName.Text = "" Then
                MsgBox "带星号为必添内容", , "Error"
                txtUserName.SetFocus
        End If
End Sub
Private Sub cmdAddUser_Click()
Dim sql As String
Dim rsRecordSet As New ADODB.Recordset
If Trim(UserName.Text) = "" Then
   MsgBox "用户名不能为空", vbOKOnly + vbExclamation, ""
   Exit Sub
  UserName.SetFocus
Else
   sql = "select * from employees"
   rsRecordSet.Open sql, connConnection, adOpenKeyset, adLockPessimistic
   While (rsRecordSet.EOF = False)
        If Trim(rsRecordSet.Fields(1)) = Trim(UserName.Text) Then
           MsgBox "已有这个用户", vbOKOnly + vbExclamation, ""
           UserName.SetFocus
           UserName.Text = ""
           txtPasswd.Text = ""
          txtDetail.Text = ""
           Exit Sub
         Else
         rsRecordSet.MoveNext
         End If
    Wend
    
      rsRecordSet.AddNew
      rsRecordSet.Fields(1) = UserName.Text
      rsRecordSet.Fields(2) = txtPasswd.Text
      rsRecordSet.Fields(3) = txtDetail.Text
      rsRecordSet.Update
      rsRecordSet.Close
      MsgBox "添加用户成功", vbOKOnly + vbExclamation, ""
       Unload Me
    End If
End Sub