frmadd_user.frm

次项目是一个用VB开发的图书管理系统

VERSION 5.00
Begin VB.Form frmadd_user 
   Caption         =   "增加用户"
   ClientHeight    =   3375
   ClientLeft      =   60
   ClientTop       =   465
   ClientWidth     =   5430
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3375
   ScaleWidth      =   5430
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   375
      Left            =   2640
      TabIndex        =   9
      Top             =   2760
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确认"
      Height          =   375
      Left            =   960
      TabIndex        =   8
      Top             =   2760
      Width           =   1095
   End
   Begin VB.ComboBox Combo1 
      Height          =   300
      Left            =   2040
      TabIndex        =   7
      Top             =   2040
      Width           =   1935
   End
   Begin VB.TextBox Text3 
      Height          =   375
      Left            =   2040
      TabIndex        =   6
      Top             =   1440
      Width           =   1815
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   2040
      TabIndex        =   5
      Top             =   960
      Width           =   1815
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   2040
      TabIndex        =   4
      Top             =   480
      Width           =   1815
   End
   Begin VB.Label Label4 
      Caption         =   "选择权限"
      Height          =   375
      Left            =   840
      TabIndex        =   3
      Top             =   2040
      Width           =   1095
   End
   Begin VB.Label Label3 
      Caption         =   "确认密码："
      Height          =   375
      Left            =   720
      TabIndex        =   2
      Top             =   1440
      Width           =   1215
   End
   Begin VB.Label Label2 
      Caption         =   "输入密码："
      Height          =   375
      Left            =   720
      TabIndex        =   1
      Top             =   960
      Width           =   1215
   End
   Begin VB.Label Label1 
      Caption         =   "输入用户名："
      Height          =   255
      Left            =   600
      TabIndex        =   0
      Top             =   480
      Width           =   1215
   End
End
Attribute VB_Name = "frmadd_user"
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
If Trim(Text1.Text) = "" Then
MsgBox "用户名不能为空", vbOKOnly + vbExclamation, ""
Exit Sub
Text1.SetFocus
Else
sql = "select * from 密码表"
rs_add.Open sql, conn, adOpenKeyset, adLockPessimistic
While (rs_add.EOF = False)
If Trim(rs_add.Fields(0)) = Trim(Text1.Text) Then
MsgBox "已经有了这个用户", vbOKOnly + vbExclamation, ""
Text1.SetFocus
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
Combo1.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
    ElseIf Trim(Combo1.Text) <> "管理员" And Trim(Combo1.Text) <> "普通用户" Then
       MsgBox "请选择正确的用户权限", vbOKOnly + vbExclamation, ""
       Combo1.SetFocus
       Combo1.Text = ""
       Exit Sub
       Else
       rs_add.AddNew
       rs_add.Fields(0) = Text1.Text
       rs_add.Fields(1) = Text2.Text
       rs_add.Fields(2) = Combo1.Text
       rs_add.Update
       rs_add.Close
       MsgBox "添加用户成功", vbOKOnly + vbExclamation, ""
       Unload Me
       End If
       End If
End Sub

Private Sub Command2_Click()
Unload Me
End Sub

Private Sub Form_Load()
Combo1.AddItem "管理员"
Combo1.AddItem "普通用户"
End Sub