frmdenlu.frm

vb精彩编程希望大家有用

VERSION 5.00
Begin VB.Form Frmdenlu 
   Caption         =   "登录"
   ClientHeight    =   2670
   ClientLeft      =   3360
   ClientTop       =   2880
   ClientWidth     =   4725
   Icon            =   "Frmdenlu.frx":0000
   LinkTopic       =   "Form2"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2670
   ScaleWidth      =   4725
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   300
      Left            =   3480
      Style           =   1  'Graphical
      TabIndex        =   6
      Top             =   2280
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "登录"
      Height          =   300
      Left            =   2160
      Style           =   1  'Graphical
      TabIndex        =   5
      Top             =   2280
      Width           =   1095
   End
   Begin VB.Frame Frame1 
      Appearance      =   0  'Flat
      ForeColor       =   &H80000008&
      Height          =   1575
      Left            =   120
      TabIndex        =   0
      Top             =   600
      Width           =   4455
      Begin VB.TextBox Text2 
         Appearance      =   0  'Flat
         BackColor       =   &H80000018&
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   10.5
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H000000FF&
         Height          =   350
         IMEMode         =   3  'DISABLE
         Left            =   1320
         PasswordChar    =   "*"
         TabIndex        =   4
         Top             =   960
         Width           =   2055
      End
      Begin VB.TextBox Text1 
         Appearance      =   0  'Flat
         BackColor       =   &H80000018&
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   10.5
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H000000FF&
         Height          =   350
         Left            =   1320
         TabIndex        =   2
         Top             =   360
         Width           =   2055
      End
      Begin VB.Label Label2 
         Caption         =   "密码："
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00C00000&
         Height          =   255
         Left            =   240
         TabIndex        =   3
         Top             =   960
         Width           =   975
      End
      Begin VB.Label Label1 
         Caption         =   "用户名："
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00C00000&
         Height          =   255
         Left            =   240
         TabIndex        =   1
         Top             =   360
         Width           =   975
      End
   End
   Begin VB.Label Label3 
      Caption         =   "创世纪学校"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   15.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H000000FF&
      Height          =   375
      Left            =   1440
      TabIndex        =   7
      Top             =   120
      Width           =   2055
   End
End
Attribute VB_Name = "Frmdenlu"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
    Dim mrc As ADODB.Recordset
    txtsql = "select username,password from use where username='" & _
        Trim(Text1.Text) & "'"
    Set mrc = ExecuteSQL(txtsql)  '查询用户
    If mrc.EOF = True Then
        MsgBox " 用户名错误！", vbExclamation + vbOKOnly, "警告"
        Text1.SetFocus
        Text1.SelStart = 0
        Text1.SelLength = Len(Text1.Text)
        Exit Sub
    End If
    username = mrc.Fields(0)
    If Trim(Text2.Text) <> mrc.Fields(1) Then
        MsgBox " 密码错误！", vbExclamation + vbOKOnly, "警告"
        Text2.SetFocus
        Text2.SelStart = 0
        Text2.SelLength = Len(Text2.Text)
        Exit Sub
    End If
    '显示主窗体
    MDIForm1.Show
    '卸载登录窗体
    Unload Me
End Sub
Private Sub Command2_Click()
    Unload Me
End Sub
Private Sub Text1_KeyPress(KeyAscii As Integer)
    '在名称文本框中按回车键时，焦点移到密码框
    If KeyAscii = 13 Then
        Text2.SetFocus
    End If
End Sub
Private Sub Text2_KeyPress(KeyAscii As Integer)
    '在密码文本框中按回车键时，焦点移到命令按钮
    If KeyAscii = 13 Then
        Command1.SetFocus
    End If
End Sub