adduser.frm

这是一个非常 好的一个程序进行体会一下学生管理系统

VERSION 5.00
Begin VB.Form Form10 
   BackColor       =   &H00FFC0C0&
   BorderStyle     =   1  'Fixed Single
   Caption         =   "添加用户"
   ClientHeight    =   2805
   ClientLeft      =   3885
   ClientTop       =   1755
   ClientWidth     =   4155
   Icon            =   "Adduser.frx":0000
   LinkTopic       =   "Form10"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2805
   ScaleWidth      =   4155
   Begin VB.CommandButton Command2 
      BackColor       =   &H00FFC0C0&
      Caption         =   "取    消"
      Height          =   375
      Left            =   2640
      Style           =   1  'Graphical
      TabIndex        =   7
      Top             =   2160
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      BackColor       =   &H00FFC0C0&
      Caption         =   "确    认"
      Height          =   375
      Left            =   360
      MaskColor       =   &H00FFC0C0&
      Style           =   1  'Graphical
      TabIndex        =   6
      Top             =   2160
      Width           =   1095
   End
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   315
      IMEMode         =   3  'DISABLE
      Index           =   2
      Left            =   1680
      PasswordChar    =   "*"
      TabIndex        =   5
      Top             =   1440
      Width           =   1695
   End
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   315
      IMEMode         =   3  'DISABLE
      Index           =   1
      Left            =   1680
      PasswordChar    =   "*"
      TabIndex        =   3
      Top             =   840
      Width           =   1695
   End
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   315
      Index           =   0
      Left            =   1680
      TabIndex        =   1
      Top             =   240
      Width           =   1695
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "请确认密码："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Index           =   2
      Left            =   120
      TabIndex        =   4
      Top             =   1440
      Width           =   1335
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "请输入密码："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Index           =   1
      Left            =   120
      TabIndex        =   2
      Top             =   840
      Width           =   1335
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "请输入用户名："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Index           =   0
      Left            =   120
      TabIndex        =   0
      Top             =   240
      Width           =   1575
   End
End
Attribute VB_Name = "Form10"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Attribute VB_Ext_KEY = "RVB_UniqueId" ,"41FF01ED00CF"
Attribute VB_Ext_KEY = "RVB_ModelStereotype" ,"Form"
Private Sub Command1_Click()
Dim txtSQL As String
Dim mrc As ADODB.Recordset
Dim MsgText As String
'判断输入用户名是否为空
If Trim(Text1(0).Text = "") Then
    MsgBox "请输入用户名！", vbOKOnly + vbExclamation, "警告"
    Text1(0).SetFocus
    Exit Sub
Else
    txtSQL = "select * from User_info "
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    '判断数据集是否为空
    While (Not mrc.EOF)
        If Trim(mrc.Fields(0)) = Trim(Text1(0).Text) Then
            MsgBox "用户名已存在，请重新输入用户名！", vbOKOnly + vbExclamation, "注意"
            Text1(0).SetFocus
            Text1(0).Text = ""
            Text1(1).Text = ""
            Text1(2).Text = ""
            mrc.Close
            Exit Sub
        Else
            mrc.MoveNext
        End If
    Wend
End If
'判断两次输入密码是否一致
If Trim(Text1(1).Text) <> Trim(Text1(2).Text) Then
        MsgBox "两次输入的密码不同，请重新输入！", vbOKOnly + vbExclamation, "警告"
        Text1(1).SetFocus
        Text1(1).Text = ""
        Text1(2).Text = ""
        mrc.Close
        Exit Sub
Else '判断输入密码是否为空
    If Trim(Text1(1).Text = "") Then
        MsgBox "密码不能为空！", vbOKOnly + vbExclamation, "警告"
        Text1(1).SetFocus
        Text1(1).Text = ""
        Text1(2).Text = ""
        mrc.Close
        Exit Sub
    Else '添加新用户
        mrc.AddNew
        mrc.Fields(0) = Trim(Text1(0).Text)
        mrc.Fields(1) = Trim(Text1(1).Text)
        mrc.Update  '更新数据库
        MsgBox "用户添加成功！", vbOKOnly + vbExclamation, "添加用户"
        mrc.Close
        Me.Hide
    End If
End If
End Sub

Private Sub Command2_Click()
    Unload Me
End Sub


Private Sub Text1_KeyDown(Index As Integer, KeyCode As Integer, Shift As Integer)
    If Index = 2 Then
        If KeyCode = 13 Then
            Call Command1_Click
        End If
    End If
End Sub