main.frm

此系统实现了火车票订票系统的部分功能

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "登录界面"
   ClientHeight    =   5505
   ClientLeft      =   60
   ClientTop       =   405
   ClientWidth     =   6915
   LinkTopic       =   "Form1"
   Picture         =   "main.frx":0000
   ScaleHeight     =   5505
   ScaleWidth      =   6915
   StartUpPosition =   3  'Windows Default
   Begin VB.Timer Timer1 
      Enabled         =   0   'False
      Left            =   6240
      Top             =   2040
   End
   Begin VB.CommandButton Command4 
      Caption         =   "退出"
      Height          =   495
      Left            =   3960
      TabIndex        =   8
      Top             =   4320
      Width           =   975
   End
   Begin VB.CommandButton Command3 
      Caption         =   "注册"
      Height          =   495
      Left            =   2760
      TabIndex        =   7
      Top             =   4320
      Width           =   975
   End
   Begin VB.CommandButton Command2 
      Caption         =   "清空"
      Height          =   495
      Left            =   1560
      TabIndex        =   6
      Top             =   4320
      Width           =   975
   End
   Begin VB.CommandButton Command1 
      Caption         =   "登录"
      Height          =   495
      Left            =   360
      TabIndex        =   5
      Top             =   4320
      Width           =   975
   End
   Begin VB.TextBox Text2 
      Height          =   495
      IMEMode         =   3  'DISABLE
      Left            =   1680
      PasswordChar    =   "*"
      TabIndex        =   4
      Top             =   3240
      Width           =   1695
   End
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   1680
      TabIndex        =   2
      Top             =   1800
      Width           =   2655
   End
   Begin VB.Label Label5 
      Alignment       =   2  'Center
      BackStyle       =   0  'Transparent
      Caption         =   "光临"
      BeginProperty Font 
         Name            =   "Bodoni MT Black"
         Size            =   26.25
         Charset         =   0
         Weight          =   900
         Underline       =   0   'False
         Italic          =   -1  'True
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H80000018&
      Height          =   495
      Left            =   3120
      TabIndex        =   10
      Top             =   480
      Width           =   1215
   End
   Begin VB.Label Label4 
      Alignment       =   2  'Center
      BackColor       =   &H8000000D&
      BackStyle       =   0  'Transparent
      Caption         =   "欢迎"
      BeginProperty Font 
         Name            =   "Bodoni MT Black"
         Size            =   21.75
         Charset         =   0
         Weight          =   900
         Underline       =   0   'False
         Italic          =   -1  'True
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H80000018&
      Height          =   495
      Left            =   1680
      TabIndex        =   9
      Top             =   600
      Width           =   1215
   End
   Begin VB.Label Label3 
      Caption         =   "（用身份证作为用户名）"
      Height          =   255
      Left            =   360
      TabIndex        =   3
      Top             =   2640
      Width           =   2175
   End
   Begin VB.Label Label2 
      Alignment       =   2  'Center
      Caption         =   "密码："
      Height          =   375
      Left            =   360
      TabIndex        =   1
      Top             =   3240
      Width           =   855
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Center
      Caption         =   "用户名："
      Height          =   375
      Left            =   360
      TabIndex        =   0
      Top             =   1920
      Width           =   975
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim conn As ADODB.Connection
Dim rst As ADODB.Recordset
Dim Login_user_ID As String
Private Sub Command1_Click()
 'Call databaseopen
  
  Dim textSQL As String
  If Trim(Text1.Text = "") Then
      MsgBox "用户名不能为空！", vbOKOnly + vbExclamation, "警告"
      Text1.SetFocus
  Else
      textSQL = "select Login_user_ID=用户名 from user_inf where 用户名 = '" & Text1.Text & "' and 密码='" & Text2.Text & "'"
      Set rst = New ADODB.Recordset
      rst.Open Trim$(textSQL), conn
      If rst.EOF = True Then
          MsgBox "用户名或密码错误，请重新输入！", vbOKOnly + vbExclamation, "警告"
          Text2 = ""
          Text2.SetFocus
      Else
         mainmenu.Show
         conn.Close
         Unload Form1
         'Form1.Hide
        ' Call databaseclose
         
      End If
  End If
End Sub

Private Sub Command2_Click()
  Text1.Text = ""
  Text2.Text = ""
End Sub

Private Sub Command3_Click()
  zhuce.Show
  Unload Me
End Sub

Private Sub Command4_Click()
Unload Me
End Sub

Private Sub Form_Load()
  Timer1.Enabled = True
  Timer1.Interval = 30
  Label4.Top = Label5.Top = 100
  Label4.Left = 0
  Label5.Left = Form1.Width
 Dim ConnectString As String
   Set conn = New ADODB.Connection
   ConnectString = "Provider=SQLOLEDB.1;Integrated Security=SSPI;" _
   & "Persist Security Info=False;Initial Catalog=陈念;" _
   & "Data Source=3302A68391D44A0"
   conn.CursorLocation = adUseClient
   conn.Open ConnectString
End Sub


Private Sub Timer1_Timer()
  Label4.Left = Label4.Left + 20
  Label5.Left = Label5.Left - 20
  If Label4.Left >= Form1.Width / 2 Then
     Label4.Left = 0
  End If
  If Label5.Left <= Form1.Width / 2 Then
     Label5.Left = Form1.Width
  End If
End Sub