添加用户.frm

学生信息管理系统可以统计学生的成绩系统需要账户和密码也可以修改密码

VERSION 5.00
Begin VB.Form Form10 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "添加用户"
   ClientHeight    =   4605
   ClientLeft      =   3285
   ClientTop       =   2775
   ClientWidth     =   5715
   LinkTopic       =   "Form10"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   4605
   ScaleWidth      =   5715
   ShowInTaskbar   =   0   'False
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   405
      Left            =   2760
      TabIndex        =   7
      Top             =   3360
      Width           =   1035
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确认"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   405
      Left            =   1320
      TabIndex        =   6
      Top             =   3360
      Width           =   1035
   End
   Begin VB.TextBox Text3 
      Height          =   400
      IMEMode         =   3  'DISABLE
      Left            =   2160
      PasswordChar    =   "*"
      TabIndex        =   5
      Top             =   2520
      Width           =   2115
   End
   Begin VB.TextBox Text2 
      Height          =   400
      IMEMode         =   3  'DISABLE
      Left            =   2160
      PasswordChar    =   "*"
      TabIndex        =   4
      Top             =   1560
      Width           =   2115
   End
   Begin VB.TextBox Text1 
      Height          =   400
      Left            =   2160
      TabIndex        =   3
      Top             =   600
      Width           =   2115
   End
   Begin VB.Label Label3 
      Caption         =   "请确认密码:"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   285
      Left            =   600
      TabIndex        =   2
      Top             =   2600
      Width           =   1575
   End
   Begin VB.Label Label2 
      Caption         =   "请输入密码:"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   405
      Left            =   600
      TabIndex        =   1
      Top             =   1560
      Width           =   1515
   End
   Begin VB.Label Label1 
      Caption         =   "输入用户名:"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   285
      Left            =   600
      TabIndex        =   0
      Top             =   720
      Width           =   1425
   End
End
Attribute VB_Name = "Form10"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim Conn As New ADODB.Connection
Dim Rs As New ADODB.Recordset
Private Sub Command1_Click()
  Dim Txtsql As String
  Dim Mrc As ADODB.Recordset
  'Set Cmd.ActiveConnection = Conn
  '检查输入用户名是否在数据库中有同名记录
  If Trim(Text1.Text) = "" Then
      MsgBox "请输入用户名称！", vbExclamation, "出错啦！"
      Exit Sub
    Else
      Txtsql = "select * from 用户表"
      'Cmd.CommandText = Txtsql
      'Cmd.CommandType = adCmdText
      'Set Mrc = Cmd.Execute
      Set Mrc = ExecuteSQL(Txtsql)  'g
      While (Mrc.EOF = False)
          If Trim(Mrc.Fields(0)) = Trim(Text1.Text) Then
               MsgBox "用户已经存在，请重新输入！", , "出错啦！"
               Exit Sub
             Else
               Mrc.MoveNext
          End If
      Wend
  End If
  '检查两次密码是否一致
  If Trim(Text2.Text) <> Trim(Text3.Text) Then
        MsgBox "两次输入的密码不一样，请确认！", , "出错啦！"
        Exit Sub
     Else
        If Text2.Text = "" Then
              MsgBox "密码不能为空！", vbExclamation, "出错啦！"
              Exit Sub
           Else
              Rs.AddNew
              Rs("用户名") = Trim(Text1.Text)
              Rs("密码") = Trim(Text3.Text)
              Me.Hide
              Rs.Update
              MsgBox "添加用户成功！", , "添加用户！"
              Text1.Text = ""
              Text2.Text = ""
              Text3.Text = ""
         End If
  End If
End Sub

Private Sub Command2_Click()
Unload Me

End Sub

Private Sub Form_Load()
connstr = "Provider = Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\学生信息管理.mdb"
Conn.Open connstr
Rs.Open "用户表", Conn, adOpenKeyset, adLockPessimistic
End Sub


Private Sub Form_Unload(Cancel As Integer)
Rs.Close
Conn.Close
End Sub

Private Sub Text1_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
    Text2.SetFocus
 End If
End Sub

Private Sub Text2_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
    Text3.SetFocus
 End If
End Sub


Private Sub Text3_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
    Command1.SetFocus
 End If
End Sub